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AMERICAN-LINCOLN
TECHNOLOGY
91WS
Walkbehind
Sweeper
Operator's Manual
Beginning with
Serial No. 306005
READ THIS BOOK!
This book has important information for the use and safe operation of this machine. Failure
to read this book prior to operating or attempting any service or maintenance procedure to
your machine could result in injury to you or to other personnel; damage to the machine or to
other property could occur as well. you must have training in the operation of this machine
before using it. If you or your operator (s) cannot read English, have this manual explained
fully before attempting to operate this machine.
ISO 9001
U
®
L
Si Ud. o sis operadores no pueden leer el Inglés, se hagen explicar este manual
completamente antes de tratar el manejo o servicio de esta máquina.
FILE#A2287
All directions given in this book are as seen from the operator's position at the rear of the machine.
For new books, write to: Alto U.S., Inc., 1100 Haskins Road, Bowling Green, Ohio 43402
Part No. 2-86-00180
950327
1995 American-Lincoln Technology®
Printed in the USA
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TABLE OF CONTENTS
TO CHANGE THE PANEL FILTER.......................................................................................................... 1-26
FLAPS ..................................................................................................................................................... 1-27
TO ADJUST THE SIDE FLAPS ............................................................................................................... 1-27
HOPPER .................................................................................................................................................. 1-27
TO CLEAN THE HOPPER ...................................................................................................................... 1-27
TO CHECK THE HOPPER SEALS ........................................................................................................ 1-27
BATTERY ................................................................................................................................................. 1-27
ENGINE AIR INTAKE .............................................................................................................................. 1-28
FUEL FILTER ........................................................................................................................................... 1-28
TO CHECK THE ENGINE OIL LEVEL .................................................................................................... 1-29
DRIVE SYSTEM ...................................................................................................................................... 1-29
TO ADJUST NEUTRAL SETTING............................................................................................................ 1-29
‘
REPLACING THE FORWARD DRIVE BELT .......................................................................................... 1-29
REPLACING THE REVERSE BELT ....................................................................................................... 1-30
LP SAFETY PRECAUTIONS......................................................................................................................... 1-31
LP GAS SYSTEM .......................................................................................................................................... 1-32
LP LIQUID WITHDRAWAL SYSTEM...................................................................................................... 1-32
LP CHECKLIST........................................................................................................................................ 1-33
LP FUEL TANKS ..................................................................................................................................... 1-33
‘
USE AND CARE OF LP TANKS ............................................................................................................. 1-34
CHANGING LP TANKS ........................................................................................................................... 1-34
TO BEGIN CHANGING THE LP TANK ................................................................................................... 1-34
STORAGE OF LP TANKS....................................................................................................................... 1-34
STANDARD HARDWARE & TORQUE VALUES........................................................................................... 1-35
DECIMAL METRIC & CONVERSION TABLE ............................................................................................... 1-36
BOLT IDENTIFICATION ................................................................................................................................ 1-37
LEGENDS - SCREW/SETSCREWS.............................................................................................................. 1-38
HARDWARE LEGEND ................................................................................................................................... 1-39
ORDERING PARTS........................................................................................................................................ 1-42
TABLE OF CONTENTS - CHAPTER 2.......................................................................................................... 2-1
FRAME .................................................................................................................................................... 2-2
COVERS .................................................................................................................................................. 2-4
WHEEL DRIVE ........................................................................................................................................ 2-6
LOWER WHEEL DRIVE ......................................................................................................................... 2-8
‘
MAIN BROOM ......................................................................................................................................... 2-10
MAIN BROOM ARMS.............................................................................................................................. 2-12
RIGHT HAND SIDE BROOM................................................................................................................... 2-14
HOPPER .................................................................................................................................................. 2-16
FILTER SHAKER ..................................................................................................................................... 2-18
IMPELLER ............................................................................................................................................... 2-20
BATTERY ................................................................................................................................................. 2-22
ENGINE ................................................................................................................................................... 2-24
ELECTRICAL ASSEMBLY (BATTERY) .................................................................................................. 2-26
ELECTRICAL ASSEMBLY (GAS) ........................................................................................................... 2-28
CONTROL PANEL ................................................................................................................................... 2-30
DECALS................................................................................................................................................... 2-34
TABLE OF CONTENTS - CHAPTER 3.......................................................................................................... 3-1
LEFT HAND SIDE BROOM OPTION ...................................................................................................... 3-2
LOW OIL SHUTDOWN OPTION ............................................................................................................. 3-4
FOAM-FILLED TIRE OPTION ................................................................................................................. 3-6
WET SWEEP BYPASS OPTION ........................................................................................................... 3-7
SPARE PARTS KITS ............................................................................................................................... 3-8
MAIN BROOM OPTIONS ........................................................................................................................ 3-9
SCHEMATIC & CONNECTION DIAGRAMS (BATTERY) ....................................................................... 3-10
SCHEMATIC & CONNECTION DIAGRAMS (GAS) ................................................................................ 3-11
INDEX ........................................................................................................................................................... 3-12
WARRANTY ................................................................................................................................................... 3-15
1-2
American-Lincoln
91 WS
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SPECIFICATIONS
SWEEPING PATH
TRAVEL SPEED
36 inches (91.44 cm) with single side broom
45 inches (114.30 cm) with dual side broom
0-3 m.p.h.
DIMENSIONS
Length
60.00 inches (152.40 cm)
34.00 inches (86.36 cm)
39.00 inches (99.06 cm)
22.65 inches (57.79 cm)
32.00 inches (81.28 cm)
Width
Height
Wheel Base
Track
WEIGHT (SHIPPING)
Gas Machine
LP Machine
LP Tank
460 lbs. (171.58 kg)
460 lbs. (171.58 kg)
20 lbs. (7.46 kg)
24 VDC Machine
Batteries
Charger
385 lbs. (143.61 kg)
275 lbs. (102.58 kg)
30 lbs. (11.19 kg)
WHEELS
Rear Cater (1)
Front Drive (2)
2.0 wide x 5.00 dia. Molded Non-marking Urethane
2.0 wide x 10.00 dia. (5.08 cm wide x 25.4 cm dia)
Solid grey Non-marking Rubber Standard or
3.0 wide x 10.00 dia (5.08 cm wide x 25.4 cm dia)
Foam Filled Grey Non-marking Rubber (Optional)
POWER SOURCES
24 VDC Battery
24 volt system, 1.3 HP (.97 kw) Electric Motor, (2) 12 volt batteries in series, 185 A.H. @ 20 hour discharge
rating
Gas/LP
Briggs & Stratton 8 HP I/C Engine with electric and backup recoil start, Dual Element Air Filter, 1.5 gal Fuel
Tank, Low Oil Shutdown
Briggs & Stratton I/C Series
Model
Bore
Stroke
Displacement
RPM
1 cylinder, 8 HP (6 kw)
3 inches (7.62 cm)
2.75 inches (6.98 cm)
19.44 cu. inches (319.0 cc)
2200 Max.
DRIVE SYSTEM
Unit is self-propelled in forward and reverse, controlled by a full width handle bar, dual flat belt drive to automotive
type differential, chain drive wheels, belt driven main and side brooms.
CONTROLSAND INSTRUMENTATION
Key Switch (with push button STAR for Gas/LP machines)
Forward/Reverse Handle
Hour Meter
Ammeter (Gas/LP Models)
Fuel Gauge (Gas/LP Models)
Condition Meter (Gas/LP Models)
Single Lever Raises and Lowers Main Broom
Single Lever Raises, Lowers, andActivates Side Broom
American-Lincoln
91 WS
1 - 3
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SPECIFICATIONS
SWEEPING SYSTEM
Type
Direct Throw
Main Broom
One place plastic core disposable type. No tool charge. Position can be set to “Restricted Down” or “Free
Float”.
Length
27 inches (68.6 cm)
Diameter
11 inches (27.90 cm)
Bristle Length
Option Bristle Types
3 inches (7.62 cm) long, usable to 1.00 inch
Proes, Nylon, High Density Nylon
Side Broom
Rotary disposable type with 1.25 inches (3.17 cm) thick marine grade varnished hardwood disk. Floats over
uneven surfaces and is adjustable for wear. Retracts up to impact. No tool charge.
Diameter
Bristle Type
16.00 inches (40.60 cm)
Polypropylene
Hopper
Molded polypropylene construction with handle to dump and levers to remove (no tool).
Volumetric Capacity
Weight Capacity
Ground Clearance
3 cu. ft. (85.00 It)
220 lbs. (82.06 kg)
3 inches (7.62 cm)
Dust Control
One pleated water resistant fibre type panel filter with automatic timed (20 seconds) filter shaker. Patented
shaker system. No tool quick change filter.
FilterArea
Impeller
40 sq. ft. (3.70 m²)
9 inches dia.
OPTIONAL EQUIPMENT
Left Hand Side Broom
Shaker Switch
Low Oil Light
Foam Filled Tires in Lieu of Solid Tires
MACHINE DIMENSIONS
39.00"
99.06 cm
34.00"
86.36 cm
C0606
60.00"
36.00"
152.40 cm
91.44 cm
1-4
American-Lincoln
91 WS
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MACHINE PREPARATION
C1199
MACHINE PREPARATION
FIGURE 1
YourAmerican-Lincoln Technology sweeper has been shipped complete, but do not attempt to operate before
reading and following the preparation instructions for your type of machine.
GAS/LP POWERED MACHINES
1. Uncrate the machine and carefully remove it from the skid to prevent damage.
2. Inspect the machine for obvious damage and check the controls for proper operation.
3. Connect and tighten battery cables.
4. Fill fuel tank with regular grade unleaded gasoline.
*Install filled LP tank and connect fuel line to the tank.
*Turn on service valve, check all LP connections for leaks.
*Turn off service valve after inspection has been completed.
5. Check engine crankcase oil level. Although properly lubricated at the factory, check before starting engine.
The engine uses no special break in oil. The recommended number of hours before the initial oil change is 5
hours (see maintenance chart).
6. For safety, do not operate until you have read the safety precautions and operation instructions in the
manual.
*=LP Powered machines only
WARNING
To prevent possible fire, never fill fuel tank while the engine is running. Always be sure gasoline container and
sweeper are electrically grounded before dispensing gasoline. This can be done by permanently attaching an
insulated wire with a battery clip on the end to the gasoline container.
WARNING
Keep cigarettes, sparks, and open flame away from LP equipment.
Use extreme caution when inspecting for gas leaks.
American-Lincoln
91 WS
1 - 5
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MACHINE PREPARATION
C0605
FIGURE 2
BATTERYPOWERED MACHINES
The battery powered machines may be shipped with the batteries and charger in separate containers. The
batteries will need to be filled with electrolyte if batteries were shipped dry.
1. Uncrate the machine and carefully remove it from the skid to prevent damage.
2. Inspect the machine for obvious damage and check the controls for proper operation.
3. Connect and tighten battery cables. (See Figure 2)
4. Connect battery cables. Be sure to observe polarity. (See Figure 2)
5. Charge batteries using the quick disconnect provided. Leave the top cover open while charging to prevent
build up of explosive gases generated during the charging process. Refer to the charging instructions
provided in the manual and on the charging unit being used.
6. For safety, do not operate until you have read the safety precautions and operation instructions in the
manual.
WARNING
Lead acid batteries generate gases which can cause an explosion. Make sure the switch on the charger is in the
“OFF” position before connecting or disconnecting the charger. If no switch is provided, unplug the charger before
making connections to the batteries. Keep sparks and flame away from batteries. NO SMOKING. Charge the
batteries only in an area with good ventilation and leave the top cover open while charging.
WARNING
Batteries contain sulfuric acid which can cause burns to exposed skin or eyes. To prevent injury, wear protective
clothing and safety glasses when working on batteries. In the event that acid comes in contact with skin or eyes,
flush affected area with fresh water for a minimum of 5 minutes and get medical attention immediately.
1-6
American-Lincoln
91 WS
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SAFETY PRECAUTIONS
SAFETY PRECAUTIONS
The following statements are used throughout this manual as indicated in their descriptions:
DANGER
To warn of immediate hazards which will result in severe personal injury or death.
WARNING
To warn of hazards or unsafe practices which could result in severe personal injury or death.
CAUTION
To warn of hazards or unsafe practices which could result in minor personal injury.
ATTENTION
To warn of unsafe practices which could result in extensive equipment damage.
NOTE
To give important information or to warn of unsafe practices which could result in equipment damage.
THE FOLLOWING INFORMATION SIGNALS POTENTIALLY DANGEROUS CONDITIONS TO THE OPERA-
TOR OR EQUIPMENT. READ THIS MANUAL CAREFULLY. KNOW WHEN THESE CONDITIONS CAN EXIST.
THEN, TAKE NECESSARYSTEPS TO TRAIN MACHINE OPERATING PERSONNEL.
FOR THE SAFE OPERATION OF THIS MACHINE, READ AND UNDERSTANDALL WARNINGS. CAUTIONS
AND NOTES.
WARNING
Machines can ignite flammable materials and vapors. Do not use with or near flammables such as: gasoline, grain
dust, solvents and thinners.
WARNING
Heavy machinery. Improper use can cause personal injury.
WARNING
Operate only when lids, doors, and access panels are securely closed.
WARNING
Use care when reversing machine in confined area.
WARNING
When servicing the machine disconnect the batteries first to prevent possible injury.
WARNING
When working on the machine, empty hopper, remove batteries, clear area of people and obstructions, use
additional people and proper procedures when lifting the machine.
WARNING
Always empty the Hopper and Disconnect Battery before doing maintenance.
WARNING
You must have training in the operation of this machine before using it. READ THE INSTRUCTION BOOK.
WARNING
Do not operate this machine unless it is completely assembled.
American-Lincoln
91 WS
1 - 7
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SAFETY PRECAUTIONS
WARNING
Do not use this machine as a step or furniture.
WARNING
Be careful when operating the machine on a ramp or incline. Always move slowly on a ramp. Do not turn this
machine on a ramp. Do not stop and leave this machine on a ramp.
WARNING
Stop and leave this machine on a level surface. When you stop the machine, put the key switch in the “OFF”
position.
WARNING
To prevent injury, and damage to the machine, do not lift the machine or move it to an edge of a stair or loading
dock.
WARNING
Lead acid batteries generate gases which can cause an explosion. Keep sparks and flames away from batteries.
NO SMOKING. Charge batteries only in area with good ventilation and always leave the top cover open while
charging batteries. Do not disconnect the charger from the batteries before disconnecting the AC power cord.
Disconnecting the battery cable with the charger plugged in could cause an explosion.
WARNING
Always wear eye protection and protective clothing when working near batteries. Remove all jewelry. Do not put
tools or other metal objects across the battery terminals, or the tops of batteries.
WARNING
Maintenance and repairs must be done by authorized personnel only. Tighten all fasteners. Keep adjustments
according to the specifications given in the service manual for the machine. Keep the electrical parts of the
machine dry. For storage, keep the machine in a building.
WARNING
Make sure that all labels, decals, warnings, cautions and instructions are fastened to the machine. Get new labels
and decals from American-Lincoln.
1-8
American-Lincoln
91 WS
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MACHINE CONTROLS
C0602
FIGURE 3
MACHINE CONTROLS
KEY SWITCH
The key switch is a two position rotary ON/OFF switch that is located on the control panel.
The filter shaker will activate for 20 seconds after the key switch is turned to the “OFF” position unless equipped
with the optional filter shaker switch.
Gas/LP Powered Machines
The key switch must be turned “ON” before using the electric starter button or the pull start.
-Turn the key switch to the “ON” position before using the start button.
-Turn the key switch to the “OFF” position to turn off the sweeper.
Battery Powered Machines
To conserve battery power turn the key switch “OFF” when leaving the machine unattended even if only for a
minute. Run time for the battery powered machine can vary with operating conditions and machine maintenance
practices.
-Turn the key switch to the “ON” position to turn on the sweeper.
-Turn the key switch to the “OFF” position to turn off the sweeper.
BATTERY CONDITION METER (Battery Powered Machines)
The battery condition meter is located on the left side of the console. The condition meter indicates the level of
charge in the batteries. The batteries are sufficiently charged when the needle stays in the green area on the
gauge while the machine is being operated. Charge the batteries when the needle drops into the red zone while
operating the machine.
WARNING
Do not operate the machine if the needle stays in the red zone. Operating the sweeper with discharged batteries
will degrade battery life.
HOUR METER
The Hour Meter is located on right side of the console. The meter is activated when the key switch is on. The
meter indicates actual run time of the sweeper. The meter is used to determine when maintenance should be
performed.
American-Lincoln
91 WS
1 - 9
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MACHINE CONTROLS
GAS/LP POWERED MACHINE CONTROLS
BATTERY
VOLT
METER
LOW
OIL
LIGHT
START
BUTTON
KEY
SWITCH
CHOKE
CONTROL
HOUR
METER
MAIN BROOM
LEVER
MAIN
BROOM
FLOAT
12
14
CHOKE
OFF
START
LOW OIL
10
16
ON
SWEEP
UP
HOURS
BATTERY
0
0
0
0
0
FILTER SHAKER
OFF
CB-1 CB-2
CIRCUIT
BREAKERS
FILTER
SHAKER
SWITCH
FWD./REV.
CONTROL
HANDLE
MAIN BROOM
ADJUSTMENT
SIDE BROOM
LIFT CONTROL
C-0601
C0601
START BUTTON (Gas/LP Only)
FIGURE 4
The start button is located on the right side of the console next to the key switch. The start button is a momen-
tary push button switch that energizes the electric starter motor when pushed. The key switch must be turned
on before using the start button to start the engine.
WARNING
Do not hold the start button for more than 15 seconds at a time. Allowing the starter motor to run for more than 15
seconds at a time may cause permanent damage to the starter motor.
To start the engine, push and hold the switch until the engine starts.
BATTERY VOLT METER (Gas/LP Only)
The battery volt meter is used to monitor the charging system on GAS/LP Powered machines.
The meter indicates the voltage of the battery. Aproperly charged battery will indicate approximately 13.8 volts. A
reading of less than 12 volts could be an indication of a charging system fault.
CHOKE CONTROL (Gas/LP Only)
The choke control is located on the console. The choke governs the air/fuel mixture during the combustion cycle
of the engine operation. The choke should be pulled out while starting the engine and then gradually pushed
back in after the engine warms up.
LOW OIL LIGHT (Gas/LP Only)
The low oil light is located on the console. The low oil light is part of a protection feature for the engine. When
the oil level drops below a safe level the engine shuts off and illuminates the light to advise the operator of the
low oil level. When this occurs check the oil level in the engine and add oil as necessary. The oil level must be
full before the engine will start.
FILTER SHAKER SWITCH
The filter shaker switch is a two position rocker switch that is located on the console. When the filter shaker
switch is set to the “ON” position the filter shaker will operate automatically for approximately 20 seconds after
the key switch is turned off. The “OFF” position disables the automatic shake cycle which would normally occur
after turning the key switch off.
1-10
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91 WS
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MACHINE CONTROLS
SIDE BROOM LIFT HANDLE
The Side Broom lift handle is located at the rear of the
sweeper on the right side. The lift handle raises and lowers
the side broom. Broom rotation stops when the side broom
is raised.
-To raise the side broom, pull the handle out and down to
lock the broom in the raised position.
-To lower the side broom, move handle up and forward into
the slot.
C-0611
C0611
FIGURE 5
MAIN BROOM LEVER
The main broom lever is located on the left side of the
console. The main broom lever has three positions that
control the main broom sweep height.
To lower the main broom, grasp the lever and move it to the
right out of the “UP” position and place the lever in the
“SWEEP” or “FLOAT position.
The “SWEEP” position is for normal sweeping and should
be used for most sweeping conditions.
The “FLOAT” position is used for sweeping very uneven
surfaces only. Using the float position will cause premature
wear on the main broom if used under normal operating
conditions for extended periods of time.
C0612
FIGURE 6
MAIN BROOM ADJUSTMENT
The main broom adjustment is located at the rear of the
machine. Adjust the main broom sweep height to compen-
sate for wear of the broom bristles. Check the main broom
sweep height regularly and adjust as necessary. (See “Main
Broom Service” in this manual)
MAIN BROOM
ADJUSTMENT
TO LOWER
BROOM
C0613/9705
TO RAISE
BROOM
C0613
FIGURE 7
American-Lincoln
91 WS
1 - 11
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MACHINE CONTROLS
FILTER MANIFOLD LATCH
The filter manifold latch is located on the hinged filter
manifold assembly. The latch must be disengaged before
dumping the hopper or removing the dust filter. Apply slight
down pressure on the edge of the manifold assembly to
ease removal.
To disengage the filter manifold latches, apply slight down
pressure to the manifold assembly and lift the latch off the
catch.
C0609
FIGURE 8
HOPPER DUMP HANDLE
HOPPER
DUMP
HANDLE
The hopper dump handle is located on the hopper and is
used for dumping debris.Amechanical interlock prevents
the handle from being moved out of the stowed position
before the filter manifold assembly has been lifted away from
the hopper.
LIFT
HANDLE
TO DUMP
HOPPER
To dump the hopper, disengage the filter latch, lift the
manifold assembly then rotate the dump handle out of the
stowed position and lift.
2
HOPPER
DUMP
HANDLE
1
3
4
To stow the handle, replace the handle to the stowed
position, lower the filter manifold assembly and engage the
filter latch.
LIFT
HANDLE
TO DUMP
HOPPER
C0608
FIGURE 9
FORWARD/REVERSE CONTROLHANDLE
The forward/reverse control handle is located at the rear of
the machine. The control handle extending across the rear
of the machine activates the belt driven dead-man clutch in
the drive system.
FORWARD/REVERSE
CONTROL HANDLE
FORWARD
IN
BROOM
FLOAT
-
+
BATTERY CONDITION
F
ON
To drive the machine forward, move the control handle
forward.
SWEEP
NEUTRAL
OFF
CHEC
CB-1 CB-2
REVERSE
To drive the machine backward, move the control handle
back.
The handle returns to neutral automatically when released.
C0614
1-12
FIGURE 10
American-Lincoln
91 WS
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MACHINE CONTROLS
CIRCUIT BREAKERS
The circuit breakers provide protection for the electrical
system and are located on the console. The circuit breaker
“POPS” out when an overcurrent condition exists.
12
14
CHOKE
OFF
START
10
16
ON
HOURS
BATTERY
0
0
0
0
0
When a circuit breaker pops out, the machine must be
taken out of service and repaired before the circuit breaker
will reset. The circuit breaker may be reset when the
overcurrent condition has been corrected.
FILTER SHAKER
OFF
CB-1 CB-2
Push the button in to reset a popped circuit breaker.
C-1161
CIRCUIT
BREAKERS
C1161
FIGURE 11
REWIND STARTER
The Gas/LP engine is equipped with a rewind starter. If the
battery is dead, it may be possible to start the engine with
the rewind starter.
Open the top cover to gain access to the rewind starter.
To use the rewind starter:
-Turn key switch to “On” position.
-Grasp the starter, and pull it slowly until the starter en-
gages.
-Pull the cord rapidly enough to overcome compression,
prevent kickback and start engine.
P4550
FIGURE 12
American-Lincoln
91 WS
1 - 13
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OPERATING INSTRUCTIONS
BATTERYMACHINE OPERATION
Charge the batteries after operating the machine. See the battery charging instructions in this manual. Use the
pre-start checklist and follow the service chart for daily check points. Read and follow the safety precautions to
assure safe, trouble free operation.
WARNING
Lead acid batteries generate gases which can cause an explosion. Keep sparks and flames away from batteries.
NO SMOKING. Charge batteries only in area with good ventilation and always leave the top cover open while
charging batteries. Do not disconnect the charger from the batteries before disconnecting the AC power cord.
Disconnecting the battery cable with the charger plugged in could cause an explosion.
WARNING
Always wear eye protection and protective clothing when working near batteries. Remove all jewelry. Do not put
tools or other metal objects across the battery terminals, or the tops of batteries.
GAS/LP MACHINE OPERATION
See the LP instructions in this manual for fueling and service instructions on the LP fuel system and replace-
ment of tanks. Use the pre-start checklist and follow the service chart for daily check points. Read and follow the
safety precautions to assure safe, trouble free operation. Gasoline powered machines use regular grade un-
leaded gasoline. Turn the engine off before dispensing fuel into the gasoline powered machine.
WARNING
To prevent possible fire. Never fill fuel tank while the engine is running. Always be sure gasoline container and
sweeper are electrically grounded before dispensing gas. This can be done by permanently attaching an insulated
wire with a battery clip on the end to the gasoline container.
WARNING
All internal combustion engines give off harmful fumes and gases while running. Do not start or run the engine in
an enclosed area where the exhaust gases can accumulate. Avoid breathing these gases as they contain poison-
ous carbon monoxide which can endanger your health or life if inhaled steadily for even a few minutes.
WARNING
Check for gas odor before and during starting operations. If gas odor is noticed, stop and check for leaks or
component malfunctions in the fuel system. Check fuel supply hoses for proper connection and signs of abrasion.
Do not start engine when gas odor is present.
WARNING
Keep cigarettes, sparks and open flame away when working on LP equipment, use caution when inspecting for
gas leaks or when LP tanks are present.
WARNING
Do not run engine in an enclosed area. exhaust gases contain carbon monoxide, an odorless and deadly poison.
Do not operate the engine without adequate ventilation.
1-14
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91 WS
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OPERATING INSTRUCTIONS
STARTING INSTRUCTIONS
PRE-START CHECKLIST
Before starting the machine, do these pre-start checks.
1. Check all controls for proper operation.
2. Check for loose battery connections.
3. Make sure all controls are “OFF”.
4. Check to be certain that the forward /reverse control handle is centered in the neutral position.
TO START THE BATTERY POWERED SWEEPER
Perform the pre-start checklist before starting the sweeper.
1. Turn the key switch to the “ON” position.
2. Check the battery condition meter after the machine is on to determine if battery is sufficiently charged.
Charge the batteries when the needle stays in the red zone while the machine is being operated
TO START GAS POWERED SWEEPER
Follow these instructions for starting a cold engine. If the engine is warm reduce the initial choke setting in step
1 to halfway out position.
1. Set the choke to the full out position.
2. Turn the key switch to the “ON” position.
3. Push the start button until the engine starts. Do not hold the start button for more than 15 seconds at a
time.
4. After engine starts, gradually push in the choke until the engine runs smoothly.
5. If the engine starts then stalls push in the choke halfway and restart the engine.
6. At temperatures below 50° F (10° C), a one or two minute warm-up may be required.
7. Push the choke control all the way in when the engine reaches normal operating temperature.
TO START LP POWERED SWEEPER
Follow these instructions for starting a cold engine. If the engine is warm reduce the initial choke setting in step
4 to halfway out position.
1. Open the LP storage tank valve.
2. Check all propane components for leaks and physical security. Be sure the tank is securely fastened.
3. Check the regulator. Momentarily press fuel primer on the regulator cover to bleed air out of the system.
4. Set the choke to the full out position.
5. Push the start button until the engine starts. Do not hold the start button for more than 15 seconds at a
time.
6. If the engine starts then stalls, push in the choke halfway and restart the engine.
7. At temperatures below 50° F (10° C), a one or two minute warm-up
may be required.
8. Push the choke control all the way in when the engine reaches normal operating temperature.
TO START ENGINE USING THE REWIND STARTER
The Gas/LP engine is equipped with a rewind starter. If the battery is dead, it may be possible to start the
engine with the rewind starter. Grasp the starter, and pull it slowly until the starter engages. Pull the cord rapidly
enough to overcome compression, prevent kickback and start engine. Repeat if necessary with the choke
opened slightly. When the engine starts open the choke gradually to position that allows the engine to run
smoothly.
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OPERATING INSTRUCTIONS
TO DRIVE MACHINE FOR TRANSPORT
Use these instructions to drive the machine for transport to the sweeping site.
WARNING
Be careful when operating the machine on a ramp or incline. Always move slowly on a ramp. Do not turn this
machine on a ramp. Do not stop and leave this machine on a ramp.
1. Push the Forward/Reverse control Handle forward to start machine moving.
2. Vary your hand pressure on the control handle to obtain the desired travel speed.
TO SWEEP WITH MACHINE
Follow these steps to sweep with the machine.
WARNING
Machines can ignite flammable materials and vapors. Do not use with or near flammables such as: gasoline, grain
dust, solvents and thinners.
1. Lower the side broom.
2. Move the main broom lever to the sweep position.
3. Vary your hand pressure on the forward reverse control handle to obtain desired travel speed.
4. Empty the hopper when full. The sweeper will start to leave debris on the floor when the hopper fills to
capacity.
TO EMPTY HOPPER
Empty the hopper when full. The sweeper may begin to leave a trail of debris while sweeping when the hopper is
full. Use the hopper dump handle to empty the hopper. The hopper may be removed for cleaning. Do not attempt
to remove the hopper when full. Empty the hopper before removing. Follow these instructions to dump the
hopper.
WARNING
To prevent possible back injury. Do not attempt to dump the hopper if it is too heavy to be lifted by one person. Get
help if needed. Know how to lift safely. Use your legs to do the work while keeping your back straight in an upright
position. Do not bend over and use your back to lift heavy objects.
1. Drive to dump site and position machine on hard level surface. Turn key switch to the “OFF” position.
2. Open the hinged top cover.
3. Disengage the filter manifold latch located on the filter shaker assembly. Apply light down pressure on the
corner of the shaker assembly to ease removal of the latches.
4. Lift the hinged shaker assembly away from the hopper.
5. Swing the hopper dump handle to the dump position.
6. Lift the hopper dump handle to empty the hopper.
7. Use the hopper dump handle to return the hopper to the sweep position.
8. Swing the hopper dump handle to the stowed position.
9. Lower the hinged shaker assembly and engage the filter manifold latch.Apply slight down pressure on the
corner of the shaker assembly to ease engagement.
10. Close the hinged top cover.
TO STOP SWEEPER
1. Allow the directional control handle to return to the center (neutral) position.
2. Use the side broom lift handle to raise the side broom. Pull out and down to lock the side broom in the
raised position.
3. Use the main broom lever to raise the main broom. Move the main broom lever back to the “UP” position and
move the lever into the slot provided to hold the main broom in the “UP” position.
4. Turn the key switch to the “OFF” position.
5. Perform the post operation checklist.
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OPERATING INSTRUCTIONS
POST OPERATION CHECKLIST
After stopping the machine perform these post operation checks.
1. Check sweeping brooms for wear or damage.
2. Check all flaps for wear, damage or adjustment.
3. Close the supply valve on the LP cylinder. Check the fuel level and install a filled cylinder if needed.
~3. Fill the fuel tank.
*3. Charge the batteries.
4. Perform the scheduled maintenance according to the service chart.
- = LP powered machines only.
~= Gasoline powered machines only.
* = Battery powered machines only.
BATTERYCHARGING INSTRUCTIONS
Charge the batteries at the end of each day or when the battery condition meter indicates low battery voltage.
The batteries need to be charged when the needle stays in the “red” zone while the machine is being operated.
When charging batteries, only use the quick disconnect provided. Use the quick disconnect to insure correct
polarity.
Check the liquid level in the batteries a least once a week and add water when low. Use only distilled water. Fill
the batteries after charging the batteries to prevent electrolyte from spilling over on to the tops of the batteries
during the charging process.
WARNING
The use of an extension cord with the charger should be avoided. Risk of fire and electrical shock is possible if the
wrong type or size extension cord is used. If an extension cord must be used, only use a three conductor number
12 AWG cord with ground, properly wired, in good electrical condition and keep it as short as possible. Locate all
cords so that they cannot be stepped on, tripped over, or otherwise subjected to damage or stress.
WARNING
Verify that the AC power source to which the charger is to be connected is capable of supplying the current
specified on the charger nameplate.
WARNING
Keep all charger ventilation holes at least 2 inches away from walls or other objects. Do not allow vent holes to
become obstructed.
WARNING
Do not operate charger that has been damaged or shows physical signs of damage. Have charger serviced by a
qualified professional repair person.
WARNING
Lead acid batteries generate gases which can cause an explosion. Keep sparks and flames away from batteries.
NO SMOKING. Charge batteries only in area with good ventilation and always leave the top cover open while
charging batteries. Do not disconnect the charger from the batteries before disconnecting the AC power cord.
Disconnecting the battery cable with the charger plugged in could cause an explosion.
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OPERATING INSTRUCTIONS
TO CHARGE THE MOTIVE POWER BATTERIES (Battery powered machines only)
1. Read the detailed instructions provided on the charger.
2. Be sure all controls are “OFF” and machine is located in an area with good ventilation.
3. Open the top cover. The top cover must remain open during the charging process.
4. Disconnect the machine power supply cable from the battery using thequick disconnect provided.
5. Connect the charger cable to the battery connector.
6. Plug the charger into properly groundedAC outlet. Be sure to verify theoperating voltage of your charger. The
chargers supplied with machine operate at 115 VAC @60 HZ or 230 VAC @ 50 HZ.
7. The charger will begin charging the batteries after a short period of time. The charger will shut off automati
cally when the charging process is complete.
8. Unplug the charger from the groundedAC outlet before disconnecting the charger from the battery.
9. Disconnect the charger cable from the battery.
10. Check the electrolyte level in the battery after charging. Add distilled water if needed.
11. Reconnect the machine power supply cable to the battery cable.
12. Lower the top cover and perform the pre-start checks before operating the machine.
GASOLINE POWERED MACHINE FUELING INSTRUCTIONS
The fuel tank for gasoline powered machines is located on the engine. The top cover must be opened to access
the fuel tank.After opening the top cover, observe the combination fuel cap/gas gauge and check the fuel level to
determine if the fuel tank needs to be filled.
TO FILL THE GASOLINE POWERED MACHINE FUELTANK
WARNING
To prevent possible fire. Never fill fuel tank while the engine is running. Always be sure gasoline container and
sweeper are electrically grounded before dispensing gas. This can be done by permanently attaching an insulated
wire with a battery clip on the end to the gasoline container.
1. Turn the key switch to the “OFF” position.
2. Open the top cover.
3. Observe the level indicated by the gas gauge on the fuel tank cap.
4. Remove the fuel tank cap from the fuel tank and add gasoline as needed.
5. Install the gas cap and lower the hinged top cover.
LP POWERED MACHINE FUELING INSTRUCTIONS
Fueling the LP powered machine is accomplished by removing the empty LP cylinder and replacing it with a full
replacement cylinder. Some cylinders are equipped with a fuel level gauge. Check the gauge and change the
cylinder when the gauge reads “EMPTY”. See the LP Instructions in this manual for additional information.
WARNING
Improper filling procedures could cause an explosion. Have your LP cylinders filled by qualified personnel.
WARNING
Park the machine in a safe area designated for changing LP fuel tanks. The designated safe area must have
adequate ventilation, must be free from sparks or other sources of ignition.
WARNING
NO SMOKING signs should be posted and enforced. The area must not be in the vicinity of flammables, combustible
materials or high temperature sources such as furnaces or ovens.
WARNING
Always store and transport LP fuel tanks with the safety relief valve in the up position. This will prevent the tank
from venting liquid propane in the event the safety relief valve opens due to overpressure in the tank. A properly
stored tank will only vent gaseous propane which dissipates much faster than liquid propane.
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OPERATING INSTRUCTIONS
TO CHANGE LP TANK
The tank changing operation presents an opportunity for the operator to inspect the tank, tank fittings and the
fuel lines for damage or wear that could cause leaks in the LP fuel system. Follow these steps to change the LP
tank.
1. Park the machine in a designated safe area.
2. Turn key switch to “OFF” position.
3. Close the tank supply valve.
4. Remove the machine fuel supply hose quick disconnect coupling from the tank.
5. Inspect the fuel system components for damage and abnormal wear.
6. Remove the tank from the cradle holding device. Handle the tank carefully. It must not be dropped or
mishandled.
7. Store the empty tank in the designated storage area.
8. Select a filled LP tank and inspect for damage and abnormal wear.
9. Carefully install the tank so the centering pin aligns with the hole in the tank collar.
10. Fasten the tank hold down clamp so that the tank locks into position.
11. Reconnect the machine fuel supply hose to the tank supply coupling.
12. Open the tank supply valve and inspect for leaks. If leaks are present close the supply valve immediately.
Investigate the source of the leak and have it repaired before using the machine. If no leaks are found, the
machine is ready to start.
13. Close the top cover.
14. Close the tank supply valve if the machine is to be stored.
MACHINE STORAGE
GASOLINE POWERED MACHINES
Machines to be stored over 30 days should be completely drained of fuel to prevent gum deposits forming on
essential carburetor parts, fuel filter and tank.
The use of a fuel additive, such as STA-BIL, or an equivalent, will minimize the formation of fuel gum deposits
during storage. Such an additive may be added to the gasoline in the fuel tank of the engine.
The following procedure should be used to prepare the machine for storage:
1. All fuel should be removed from the tank. Run the engine until it stops from lack of fuel.
2. While engine is still warm, drain oil from the crankcase. Refill with fresh oil.
3. Remove spark plug, pour approximately 1/2 ounce (15 grams) of engine oil into cylinder and crank slowly to
distribute oil. Replace spark plug.
4. Store in a clean and dry area.
BATTERYPOWERED MACHINES
All wet batteries will slowly discharge on standing and will discharge much faster when warm than when cold. At
normal temperature of 80°F (26°C) loss of capacity by self-discharge, starting with a fully charged battery, may
amount to an average of .001 specific gravity per day over a 30 day period. The battery should be given a booster
charge when the specific gravity falls .040.
Do not discharge the batteries excessively. Excessive discharge can cause polarity reversal of the individual
cells in the battery which will lead to complete failure of the batteries.
Use a hydrometer to monitor the specific gravity of the individual cells in the batteries. When checking the
specific gravity of the batteries, you should not see a large difference between the individual cells. The batteries
may need to be replaced if the battery shows a significant difference of specific gravity between the cells.
The specific gravity of the electrolyte should measure 1.285 when fully charged.
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91 WS
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SERVICE CHART
SERVICE CHART
The following is a guide for servicing and maintaining your 91WS Walkbehind Sweeper. For best machine
performance, the following operation checks should be made at these intervals. For service assistance, consult
your Clarke/American-Lincoln distributor. For best results, replace worn or damaged parts with genuine Clarke/
American-Lincoln parts.
EVERY8 HOURS or DAILY:
1. Recharge batteries and check electrolyte level.
2. Check fuel level.
B
G, LP
G, LP
G, LP
3. Check engine oil level (at 5 hours).
4. Clean cooling fins and entire engine.
5. Check all flaps and gaskets for wear or damage.
6. Check sweeping brooms for wear or damage.
7. Check panel filter (clean side) for dust leak.
8. Check for LPG odor at connections.
LP
EVERY 25 HOURS:
9. Change crankcase oil (heavy use).
10. Clean and re-oil foam pre-cleaner air filter (Dual Element).
11. Check all belts and chains for wear and alignment.
G, LP
G, LP
EVERY 50 HOURS:
12. Change crankcase oil (normal use).
13. Check battery electrolyte level.
14. Lubricate the caster wheel bearings.
15. Lubricate the drive chains.
G, LP
G, LP
EVERY 100 HOURS:
16. Lubricate all moving joints.
17. Clean or replace the spark plug and reset the gap.
18. Replace fuel filter.
G, LP
G
19. Clean and/or replace engine air filter paper cartridge (dual element).
20. Remove, clean, inspect, and reinstall battery cable connections.
21. Inspect side broom gear box and repack if necessary.
22. Check all fasteners for tightness.
G, LP
EVERY 250 HOURS:
23. Remove combustion deposits.
24. Inspect LP fuel filter and change if needed.
G, LP
LP
Note: Complete service information for the Briggs and Stratton engine is provided in the “ Engine Owners’
Manual” which is supplied as part of this manual. Briggs & Stratton Form No. 272848-1/94
G = GAS
LP = LPG
B = BATTERY
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SERVICE CHART
13,20
2
B R O O M
M A I N
S W E E P
F L O A
R
L
W
O
A
U P
O
E
P
A
O
I
N
E
T
P
M
B A
T T E R
C H E C K
Y
C O N D I T I O N
W H I L E
O P E R A
T I N G
-
+
C B - 1
C B - 2
B
-
2
O F F
F
F I L
I
L
T E R
O N
N
E
R
S H A K E R
17
H
A
K
10,19
11,15
O F F E
F
R
F
4
7
5
E
F
21
3,9,12
18
14
5
B R O O M
M A I N
S W E E P
F L O A
R
L
W
O
O
A
U P
E
P
A
O
I
N
E
T
P
M
B A
A
T T E R
C H E C K
T
H
E
E
R
C
Y
C
K
W H
C O N D I T I O N
O
H
I
N
L
E
D
I T
I O
O P
P
E
R
N
A
T I N G
-
I
N
+
G
C B - 1
B
1,20
-
1
C B - 2
B
-
2
O F F
F
F
F I L
I
L
T E R
O N
N
E
R
S H A K E R
H
A
K
6
O
F
F
E
R
F
F
11,15
7
21
14
5
C0616
6
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91 WS
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OPERATING INSTRUCTIONS
SIDE AISLES
MAIN AISLE
P4134/0001
SIDE AISLES
FIGURE 13
P4134
HOW TO SWEEP
The sweeper is intended for use on hard relatively flat surfaces such as cement, asphalt and wood block floors.
Exercise care when maneuvering to keep wheels from dropping off curbs or into pot holes. Do not sweep over
obstructions.
The sweeper is designed for dry sweeping conditions. Wet clay and muddy type material will adhere to surface
of sweepingchamber and hopper. Sweeping performance will degrade if these surfaces are not kept clean. Large
heavy objects such as bricks, large stone and iron parts should not be swept. Damage to the main broom or
other sweeping system components is possible. String, rope, wire or or metal strapping longer than 18 inches
should not be swept. These items have a tendency to wrap around moving parts. This can cause damage or
degrade sweeping performance.
SWEEPING GUIDELINES
In actual sweeping, there is no single pattern that can be set forth in the manual. Each installation has its own
conditions, and the operator can readily set his own pattern using these guidelines.
1. Pick up large debris and remove bulky cartons from aisles before sweeping.
2. Use the machine to sweep debris from the narrow aisles into the main aisle.
3. After the machine has made a sweeping run, move the main broom lever to the “UP” position and turn the
key switch to the “OFF” position. The filter shaker will operate for a short period of time. After the shaker
stops, turn the key switch to the “ON” position, lower the main broom to the “SWEEP” position and continue
sweeping.
NOTE
Replace main broom when bristles are reduced to 3.75 inch (9.5 cm) length. To order replacement brooms, see
MAIN BROOM section of this manual. Replace side broom when bristles fail to sweep debris into the path of the
main broom. To order replacement brooms see SIDE BROOM section of this manual.
SWEEPING VARIOUS TYPES OF DEBRIS
For heavy sand, dirt or excessive scattered debris, travel slowly with machine to allow main broom to deliver
best results. Do not expect a completely clean surface on the first pass under these conditions.
Sometimes it is necessary to have extra broom pressure where debris is excessively heavy. See “Main Broom
Adjustment” for information on adjusting broom to a “heavy” sweeping pattern. Material that adheres to the
sweeping surface: This type of wet or sticky material will require more broom pressure, as in the above para-
graph.
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SERVICE INSTRUCTIONS
MAIN BROOM SERVICE INSTRUCTIONS
MAIN BROOM
ADJUSTMENT
TO LOWER
BROOM
C0613/9705
TO RAISE
BROOM
C0613
FIGURE 14
MAIN BROOM
To prevent the main broom from setting in one direction and to provide maximum life of the broom. It is recom-
mended that the broom be turned end for end periodically.
TO CHECK THE MAIN BROOM SWEEP PATTERN
Check the main broom sweep pattern after changing the broom or when poor sweeping performance is encoun-
tered while sweeping.
1. While the machine is not moving, lower the main broom to the “SWEEP” position. Allow the machine to
sweep in one spot for a short period of time.
2. Before moving machine, move main broom lever to the “UP” position and move the sweeper forward until you
can see the pattern left by the main broom bristles on the floor.
3. Check the width of the pattern on the floor to determine if the main broom requires adjustment.
The recommended sweep pattern left on the floor will be between 1 and 2 inches wide.
-A pattern that is more than 2 inches wide indicates the broom linkage needs to be adjusted “UP”.
-A pattern that is less than 1 inch wide indicates the broom linkage needs to be adjusted “DOWN”.
TO ADJUST THE MAIN BROOM SWEEP HEIGHT
When changing the sweep height adjustment it is recommended that the bolt be adjusted 1 turn at a time. After
adjustment, recheck the sweep pattern to determine if further adjustment is necessary. Locate the Main Broom
Height Adjustment which is located at the rear bottom of machine. Turn the adjustment screw as described
below.
-Turn the adjustment bolt counterclockwise to INCREASE the sweep pattern width.
-Turn the adjustment screw clockwise to DECREASE the sweep pattern width..
WARNING
To prevent unexpected movement always park on a hard, level surface and turn key switch off before working on
the machine.
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SERVICE INSTRUCTIONS
MAIN BROOM SERVICE INSTRUCTIONS-CONT.
4
1
2
3
CO622fr
C0622
FIGURE 15
TO REPLACE THE MAIN BROOM
The main broom should be replaced when the bristles become worn to less than 2". The main broom is held in
place by a single threaded knob. This feature provides for easy removal and installation of the main broom
without the need for special tools or equipment. Follow the instructions below for main broom removal and
replacement.
1. Park the sweeper on a smooth level surface. Turn the key switch “OFF”. Place the main broom lever in the
“SWEEP” position.
2. Gain access to the main broom by opening the broom compartment door located on the left side of the
machine.
3. Remove the main broom idler hub [Item 2] by loosening the threaded knob [Item 1] .
4. Grasp the main broom [Item 3] and remove it from the drive hub [Item 2].
5. Insert replacement broom [Item 3] into the broom compartment. Pay special attention to the slots on the
broom. It may be necessary to rotatethe broom so the tabs on the drive hub align with the slots on the
broom.
6. Reinstall the idler hub [Item 2] to the broom and over the locator stud [Item 4] and screw provided for the
threaded knob [Item 1].
7. Install the threaded knob and close the broom door and engage the door latch.
8. Re-Check main broom sweep pattern.
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SERVICE INSTRUCTIONS
SIDE BROOMS SERVICE INSTRUCTIONS
FLOOR
CONTACT
AREA
FLOOR
CONTACT
AREA
C0621
C0621
FIGURE 16
SIDE BROOMS
The side broom’s sweeping angle is not adjustable, however the height of the side brooms can be adjusted to
compensate for wear as the brooms become worn from use. Open the top cover and turn the adjustment nut to
vary the side broom sweep height .
TO CHECK THE SIDE BROOM SWEEP PATTERN
1. Position the machine on a smooth level surface.
2. Place the side broom lift lever in the “DOWN” position.
3. While staying in place allow the side brooms to sweep for a short period of time. (Allow enough time for the
side brooms to leave a clean footprinton the floor).
4. Place the side broom lift lever in the “UP” position.
5. Back the sweeper away from the area where the pattern was left.
6. Turn Key Switch to the “OFF” position.
7. Check the pattern to determine the floor contact area.
8. Determine if sweep height adjustment of the side brooms is necessary by comparing the floor contact area
to the diagram in Figure 16.
TO CHANGE THE SIDE BROOMS HEIGHT AD-
JUSTMENT
Adjust the side broom height to compensate for
normal wear of the side brooms or when installing a
new replacement broom.
1. Park machine on a smooth level surface, turn
keyswitch to “OFF” position.
2. Place the side broom lift lever in the “DOWN”
position.
3. Open the top cover and locate the adjustment
nut on the end of the lift rod. (See Figure 17)
4. Adjust the nut so the broom contacts the floor
as shown. (See Figure 16)
1
2
C0623
3
C0623A
FIGURE 17
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SERVICE INSTRUCTIONS
TO CHANGE THE SIDE BROOMS
Change the side brooms when the bristles become worn to less than 3 inches length.
1. Park machine on a smooth level surface, turn key switch to “OFF” position.
2. Place the side brooms lever in the “DOWN” position.
3. Remove the pin that passes through the flange and motor shaft. Remove the broom.
4. Remove the three (3) 1/4 inch bolts and nuts that hold the broom to the motor flange.
5. Assemble the flange to the replacement broom and fasten using the hardware removed in step 4.
6. Install broom to motor shaft with the pin removed in step 3.
7. Check sweep pattern and perform height adjustment so the broom contacts the floor as shown (See Figure
16).
DUST CONTROL SERVICE INSTRUCTIONS
The dust control system consists of the filter baffle and a panel filter. The filter baffle is built in to the hopper and
should be checked/cleaned when the hopper is being emptied. The panel filter is located on top of the hopper
under the hinged manifold. The panel filter must be replaced if the filter media tears. Inspect the top of the panel
for signs of dirt that may be escaping through tears in the filter media.
TO CLEAN THE FILTER BAFFLE
The filter baffle should be cleaned as a first step when the dust control system fails to effectively control dusting
while sweeping.
1. Park the sweeper on a smooth level surface, Turn the key switch to the “OFF” position.
2. Open the top cover and disengage the filter manifold latch.
3. Lift the hinged manifold to gain access to the panel filter.
4. Remove the panel filter and inspect for debris lodged in the baffle passages.
5. Dislodge all debris from the baffle manually or with compressed air not to exceed 100 PSI.
6. Install the panel filter. Lower the manifold over the filter and engage the latch.
7. Close the top cover .
TO CLEAN THE PANEL FILTER
Clean the panel filter when the shaker fails to adequately clear the filter pleats.
1. Park the sweeper on a smooth level surface, Turn the key switch to the “OFF” position.
2. Open the top cover and disengage the vacuum manifold latch.
3. Lift the hinged vacuum manifold to gain access to the panel filter.
4. Remove the panel filter and inspect for damage. Replace if not in serviceable condition.
5. Apply compressed air not to exceed 100 PSI to the top side of the panel to backflush lodged dirt from the
filter media. The filter may also be cleaned with a solution of soap and water. If this method is used, do not
use the panel filter until it has completely dried.
6. Reinstall the cleaned filter and lower the hinged manifold assembly over the filter.
7. Engage the manifold latch and close the top cover.
TO CHANGE THE PANEL FILTER
Change the filter when obvious damage is evident. Inspect for leakage or a heavily loaded filter to the point that
cleaning and shaking of the filter has no effect on clearing the pleats.
1. Park the sweeper on a smooth level surface, Turn the key switch to the “OFF” position.
2. Open the top cover and disengage the vacuum manifold latch.
3. Lift the hinged vacuum manifold to gain access to the panel filter.
4. Remove the panel filter and install a new replacement panel.
5. Lower the hinged manifold assembly over the filter.
6. Engage the manifold latch and close the top cover.
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SERVICE INSTRUCTIONS
FLAP SERVICE INSTRUCTIONS
The flaps are very important to the sweeping process. Inspect the flaps daily and replace any flap that shows
signs of wear or deterioration. The side flaps are adjustable and should be adjusted so there is a recommended
1/16" to 1/8" gap between the floor and the bottom edge of the flaps. The adjustable flaps have slotted mounting
holes to facilitate adjustment. The recycling flap is also adjustable and should be adjusted so the flap touches
the broom.All other flaps require no adjustment and should be replaced when worn or damaged.
TO ADJUST THE SIDE FLAPS
1. Park machine on a smooth level surface. Turn the key switch to the “OFF” position.
2. Loosen the flap retaining screws and adjust the flap to clear the floor and leave a 1/16" to 1/8" gap.
3. Tighten flap retaining screws while holding flap in position.
HOPPER SERVICE INSTRUCTIONS
The hopper houses the debris compartment, the dust control filter and the removable dust baffle. For maximum
performance and service life, keep the hopper clean and inspect the seals and flaps daily. Clean the hopper prior
to parking the sweeper at the end of the day. A clean hopper will make inspecting the flaps and seals much
easier and will prevent premature deterioration of hopper components. Do not leave the hopper full of debris while
in storage or when parked for extended periods of time.
TO CLEAN HOPPER
Once the hopper has been emptied, the insides of the hopper should be rinsed out with water and allowed to dry
completely.
TO CHECK HOPPER SEALS
The hopper seals are important to positive dust control while sweeping. Damaged seals will reduce vacuum
pressure at the broom. Inspect for cuts, tears and proper positioning of the seal material. Replace all seals that
become damaged.
BATTERY SERVICE INSTRUCTIONS (Battery powered machine only)
Install the batteries as shown on page 7 and make sure all connections are wrench tight. A film of Vaseline will
help prevent corrosion at the battery connection. Do not replace the electrolyte in the batteries if they have been
in service for more than a week.
Charge the batteries when the battery condition
meter stays in the red zone while the machine is
being operated.
DISTILLED WATER
Read the safety precautions and follow the instruc-
tions for charging the batteries on page 18.
FILL TO 1/4 INCH
FROM BOTTOM OF TUBE
Check the liquid level in the batteries weekly. The
liquid level must be checked after the batteries have
1/4 INCH (6mm)
been charged since the level may rise during the
charging cycle.. Add distilled water to bring the level
up to a 1/4" below the fill tube as shown in Figure 18.
P4074
FIGURE 18
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91 WS
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SERVICE INSTRUCTIONS
ENGINE SERVICE INSTRUCTIONS
COVER
SCREWS (2)
CARTRIDGE
PRE-CLEANER
SLOT
BASE
TAB
COVER
RETAINER
C-0617
C0617
FIGURE 19
WARNING
To prevent accidental starting, remove spark plug wire when servicing engine or equipment. Disconnect the
battery at the negative terminal if the engine has an electric starting system.
NOTE
Check the oil level regularly. Be sure correct oil level is maintained. Check every five (5) hours or daily before
starting the engine.
NOTE
Check the oil per the Service Chart Instructions previously listed. Change the oil after the five (5) hours of opera-
tion. Change the oil while the engine is warm. Refill with new oil of a recommended grade.
ENGINEAIR INTAKE SERVICE
1. Loosen the cover screws. Remove the cover and air cleaner assembly from the base.
2. Remove the air cleaner assembly from the inside of the cover and disassemble.
3. To service the pre-cleaner, wash in a liquid detergent and water. Squeegee dry in a clean cloth. Saturate the
pre-cleaner in engine oil and use a clean, absorbent cloth to removeALL EXCESS oil. If the pre-cleaner is
very dirty or damaged, replace it.
WARNING
Do not use petroleum solvents, e.g. kerosene, nor pressurized air, to clean the cartridge. Solvents will cause the
cartridge to deteriorate. Pressurized air can damage the cartridge.
4. Reassemble the retainer on the pre-cleaner and cartridge (screen side of pre-cleaner toward cartridge
pleats). Install this assembly in cover.
5. Insert tabs on cover into slots in base. Tighten cover screws securely.
FUEL FILTER SERVICE
The engine is equipped with an in-line fuel filter. As the in-line fuel filter is disposable, the only service required is
replacement every 100 hours. For more information regarding the fuel filter system, refer to the Briggs & Stratton
Owner’s Manual included with this Operator’s Manual.
1-28
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91 WS
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SERVICE INSTRUCTIONS
TO CHECK THE ENGINE OIL LEVEL
Be sure the correct engine oil level is maintained
by checking the oil level daily. Use the dipstick to
verify the correct oil level and add oil as indicated
on the dipstick. When changing the oil you must
first remove the drain plug which is located on the
rear of the engine. Refer to the Briggs & Stratton
Engine Owners’ Manual for more information on
recommended type and grade of oil to be used.
C06241
C0624A
FIGURE 20
DRIVE SYSTEM SERVICE INSTRUCTIONS
TO ADJUST THE NEUTRAL SETTING
The only item that should have to be moved is the linkage rod itself. By adjusting the clevisis in or out, one
should be able to achieve neutral when you install the new belt or if the machine begins to creep.
TO REPLACE THE FORWARD DRIVE BELT
1. Remove the two (2) inspection plugs on the right hand side of the machine which allows access to the
bearing plate on the end of the differential.
2. Reach in through the inspection holes and remove the two (2) bolts that hold the differential bearing plate in.
Remove and retain hardware.
3. Loosen the chain idler pulley and move it to the top of the slot to relax all tension on the chain. Retighten
the idler.
4. Remove the drive wheel chain by walking it off the differential. With the idler out of the way, it should all you
plenty of clearance to come off the end of the differential.
5. Move the bearing plate in an upward position to give you clearance for installing the new belt.
6. Begin by working the forward drive belt around the bearing plate. Once this is around the bearing plate, the
reverse belt off the differential shieve and leave it lay off to the left hand side of the shieve.
7. Take the main forward belt and work it back around the forward idler underneath the main drive shieve and
around the rear of the forward and reverse idler pulley and up over the forward and reverse idler pulley.
8. When installing the forward drive belt, one side of the belt is printed and says “This Side Out”. On the
forward drive belt, you want to have that so you cannot read it when it is installed. It will be riding against
the shieve itself on the differential because the machine is driven off the backside of that belt.
9. Once that main forward drive belt is installed and routed correctly, reattach the reverse belt the same way it
was routed before.
10. At the front of the machine, refasten the bearing plate on the end of the differential to the frame.
11. Start you chain back around the differential and readjust the idler for the drive chain.
12. Any fine adjustments for neutral that need to be done should be done with the linkage rod only.
American-Lincoln
91 WS
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SERVICE INSTRUCTIONS
DRIVE SYSTEM SERVICE INSTRUCTIONS - Cont.
TO REPLACE THE REVERSE BELT
1. Remove the two (2) inspection plugs on the right hand side of the machine which allows access to the
bearing plate on the differential shaft. Loosen and remove both bolts holding the bearing plate to the
machine.
2. Loosen the drive wheel chain idler and pull it to the top of the slot. Retighten it to keep it out of the way.
This allows you freedom to walk the chain off the differential.
3. At the rear of the machine, follow the main broom belt down to the idler. Disconnect the spring to release
the tension on that belt and remove the right hand side broom belt.
4. Remove the main broom belt.
5. At the front of the machine, place the differential plate with the bearing in it to the “UP” position. This allows
you clearance to feed the new belt in.
6. If the forward belt is still in good condition, you will need to start by removing it off the main drive shieve off
the differential.
7. Get both the forward and reverse belt off the differential shieve laying them to the left hand side.
8. Work the reverse belt over the differential shieve once you are on the front and off to the left hand side of the
shieve with both belts hanging loose around the differential.
9. Take the top portion of the belt and pick it up and the bottom portion of the belt and bring it to the “UP”
position. That will need to be worked around the main shieve coming off the motor in between the shieve
and the fixed bracket that holds the forward idler pulley. This clearance is very tight and you must be careful
not to cut the belt while you are working around that.
10. Work the belt around the forward and reverse main idler by putting it back over top of it.
11. Come back to the front of the machine and lower the differential bearing plate.
12. Reinstall the 2 bolts in that and reset the chain idler back to its position and retighten.
13. Move to the rear of the machine again and reinstall the main drive broom belt and the spring that was taken
off the right hand side broom belt.
14. Any fine adjustments should be able to be done with the linkage rod itself.
1-30
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91 WS
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LP SAFETY PRECAUTIONS
WARNING
Keep cigarettes, sparks, and open flame away when working on LP equipment when inspecting for gas leaks or
when LP tanks are present.
WARNING
Check all components for proper operation when needed. Replace LP components when needed. Never bypass
defective safety components.
WARNING
Check routing of all LP hoses. Keep them away from sharp edges, exhaust manifolds, or other hot surfaces.
Check for signs of abrasion or deterioration.
WARNING
Check for gas odor before and during starting operations. If gas odor is noticed, stop and check for leaks or
component malfunction.
WARNING
Make sure LP tank is free of dents and gouges.
WARNING
Make sure service coupling is clean and free of damage. Make sure service coupling of tank matches machine
service coupling.
WARNING
Keep engine properly tuned.
WARNING
Make sure the LP tank matches the fuel system.
WARNING
Make sure the LP tank is securely mounted on the machine with the retainer bracket clamping the tank with the
locating pin in position.
WARNING
Park the machine in a shaded, cool area when not in use.
WARNING
Keep the LP tank service valve closed when the tank is not in use.
WARNING
Never overfill the LP tank. Fill the LP tank to the recommended weight stamped on the tank.
WARNING
Use care in handling LP tanks. Never drag or drop them.
WARNING
Always store and transport LP fuel tanks with the safety relief valve in the “UP” position.
WARNING
Avoid contact with the LP fuel to avoid frostbite.
WARNING
When the machine is to stand unused for a period of time (overnight), park the machine in a designated area. Shut
off the service valve at the tank and operate the engine until the remaining fuel is consumed. Turn off the ignition
switch.
American-Lincoln
91 WS
1 - 31
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LP GAS COMPONENTS
LP GAS SYSTEM
The propane powered Model 91WS fuel system has been modified to operate on LP vapor fuel instead of gas.
The LP fuel system consists of several components not found in a regular gasoline system. The LP fuel system
also contains the associated mounting hardware and plumbing for the LP components. The major components
are as follows:
-An LP carburetor
-A combination water-heated vaporizer and regulator
-A combination LP fuel line filter and lock-off valve
-An LP fuel tank, fittings, and relief valves
These components are factory set. Attempts at adjusting these components should only be made by autho-
rized service personnel.
FUELLOCK/FILTER
TANK VALVE
TANK RELIEF VALVE
LPG FUEL TANK
PRESSURE RELIEF VALVE
REGULATOR/VAPORIZER
CARBURETOR
P4502B
FIGURE 21
LP VAPOR WITHDRAWAL SYSTEM
The liquid LP fuel flows from the LP tank under its own pressure to the pressure relief valve. This valve is
normally closed, which prevents LP fuel from escaping into the atmosphere. This LP gas is then piped to the LP
fuel filter lock. The fuel filter lock removes unwanted tank scale and deposits from the LP gas. This gaseous LP
fuel is sent to the primary regulator. The primary regulator reduces the pressure of the LP fuel tank and makes
the floe more constant. The secondary regulator reduces LP gas pressure to the level required by the carbure-
tor. From the secondary regulator, the LP fuel is piped to the carburetor where it is finally metered into the air
flow which is sent to the combustion chamber.
1-32
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LP GAS COMPONENTS
LPG INLET
HAND PRIMER PIN
WATER
VAPOR
OUTLET
PLUG
P-4563A
MOUNTING HOLES
P4563
FIGURE 22
LP CHECKLIST
This checklist can be preformed quickly and should be done before every use. Be sure to make all necessary
checks as listed on the Maintenance Chart as discussed earlier.
1. Check for connections for leaks.
2. Open the LP storage tank valve.
3. Check the regulator. Momentarily press the fuel primer on the regulator cover to bleed air out of the system.
4. Start the machine’s engine.
LP FUEL TANKS
Standard D.O.T. LP fuel tank sizes have 14, 20, 33.5, and 43.5 pounds capacities. The liquid volume permitted
in these containers is less than the total volume of the cylinder. This provides for expansion of the LP fuel
should the temperature increase above the normal amounts. Excessive heat may cause the fuel to expand too
much causing the safety relief valve to vent some LP fuel, relieving internal tank pressure.
Each tank is marked showing the type of construction (liquid or vapor), the manufacturer, the date of manufac-
ture, the capacity, the weight, and the date of requalification. D.O.T. fuel tanks must be requalified (checked)
periodically, This requalification must be recorded and maintained for the life of the container.
LP fuel tanks are equipped with the following approved values and fittings:
Safety Relief Valve - This is a spring loaded valve that relieves excessive pressures which may develop in the
tank due to unusual condition.
Liquid Service Valve - Liquid is withdrawn from the tank through this valve. The LP tank may be filled though this
valve if the tank in not equipped with a filter valve.
Excessive Flow Valve - This valve is part of the Liquid Service Valve. It is mounted inside the tank and prevents
LP fuel from leaving the LP tank in the event of accidental breakage of external fittings or hoses. It permits
flow in either direction but stops outward flow if that flow becomes excessive.
Filter Valve - This valve is optional. If this valve is not present, the tank is filled through the service valve.
Liquid Level Gauge - This gauge is optional.
American-Lincoln
91 WS
1 - 33
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LP TANK CARE
USE AND CARE OF LP TANKS
If an LP tank is damaged or leaking, it should be immediately removed to a designated safe area and the proper
personnel should be notifies. Do not attempt to make repairs to the cylinder regardless of its condition. Repairs
must be made by qualified personnel.
The care an LP tank receives has a direct bearing on how long the tank can be used safely. LP tanks must not
be dropped, dragged, or slid across any surface. To move the LP tank, use a hand truck or roll the tank on its
foot ring while it is being held in a position slightly off the vertical.
CHANGING LP TANKS
Refueling machines with LP tanks is an important process. Refueling is accomplished by replacing the empty
LP tank with a full one.
The tank changing operation presents an opportunity for the machine operator to carefully inspect the tank, tank
fittings, the fuel lines, and fuel line fittings. If abnormal wear is detected, the operator should report these
findings to the appropriate personnel for immediate action.
TO BEGIN CHANGING THE LP TANK
1. Park the machine in a designated safe area and set the parking brake.
2. Close the tank valve.
3. Remove the quick disconnect coupling from the tank valve.
4. Inspect the machine’s fuel lines and the quick disconnect coupling for damaged or abnormal wear.
5. Remove the empty tank from the holding device.
6. Inspect the tank and tank fittings for damage and abnormal wear. Handle the tank carefully. It must nor be
dropped or mishandled.
7. Store the LP tank in a designated safe area.
8. Select a filled LP tank and observe for damage or leaks.
9. Carefully install the filled tank in the machine so that the tank centering pin enters the aligning hole (closest
to the tank) in the tank collar. This assures that the tank is positioned properly and allows for proper
operation of the safety relief valve, liquid level gauge, and service valves.
10. Fasten the tank retaining bracket so that the tank is locked into position.
11. Reconnect the fuel line to the tank servicing coupling.
12. Open the service valve slowly and check for leaks. If a leak is found, close the valve immediately and notify
the appropriate personnel.
13. If no leaks are detected, the engine is ready to start. Do not start the engine unless the operator is in
position
with the directional control pedal in the neutral position.
STORAGE OF LP FUEL TANKS
Whether the storage is inside or outside, the LP tanks should not be in the vicinity of combustible materials or
high temperature sources such as ovens or furnaces. This may cause the heat to raise the pressure of the fuel
to a point where the safety valves would begin to operate. Care should be taken to ensure that the cylinders are
stored in such a manner that if the safety relief valves are triggered, the vapor will be relieved rather than any
liquid.
Valves on empty tanks must be closed during storage and transportation.
Similar precautions should be taken in storing machines fitted with LP tanks. They may be stored or serviced
inside buildings provided there are no leaks in the fuel system and the tanks have not been overfilled. If ma-
chines are being repaired inside a building, the shutoff valve on the tanks must be closed except when the
engine must be on during servicing.
1-34
American-Lincoln
91 WS
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STANDARD HARDWARE & TORQUE VALUES
STANDARD METRIC TORQUE VALUES
When tightening torques are not specified, tighten the bolts and nuts according to the table below.
GRADE
No-Grade or 4T
SS41, S20C
7T
9T
S43C, S48C
kgf.m
SCR435, SCM435
Nom.
Dia.
M6
Unit
N.m
kgf.m
ft-lbs
N.m
ft-lbs
N.m
kgf.m ft-lbs
7.85
to
0.80
to
5.79
to
9.81
to
1.00
to
7.23
to
12.26
to
1.25
to
9.04
to
(6mm, 0.24 in.)
9.32
17.7
to
0.95
1.8
to
6.87
13.0
to
11.28
23.5
to
1.15
2.4
to
8.32
17.4
to
14.22
29.4
to
1.45
3.9
to
10.49
21.7
to
M8
8mm, 0.31 in.)
20.6
39.2
to
2.1
4.0
to
15.2
28.9
to
27.5
48.1
to
2.8
4.9
to
20.3
35.4
to
34.3
60.8
to
3.5
6.2
to
25.3
44.8
to
M10
(10mm, 0.39 in.)
45.1
62.8
to
4.6
6.4
to
33.3
46.3
to
55.9
77.5
to
5.7
7.9
to
41.2
57.1
to
70.6
103.0
to
7.2
10.5
to
52.1
75.9
to
M12
(12mm, 0.47 in.)
72.6
7.4
53.5
90.2
9.2
66.5
117.7
12.0
86.8
ENGINE TORQUE VALUES
Screws, bolts and nuts must be tightened to the specified torque using a torque wrench. Several
screws, bolts, and nuts such as those used on the cylinder head must be tightened in proper
sequence and at the proper torque.
ITEM
*Head Cover Cap Nuts
*Head Bolts
Size & Pitch
M6 x 1.0
N.m
kgf.m
ft-lbs
3.9 to 5.9
0.4 to 0.6
3.8 to 4.3
1.3 to 1.6
2.7 to 3.1
5.5 to 6.0
2.7 to 3.1
1.00 to 1.15
1.00 to 1.15
2.0 to 2.5
3.3 to 3.8
1.5 to 2.0
10.0 to 11.0
2.9 to 4.3
M8 x 1.25
M6 x 1.0
37.2 to 42.1
12.7 to 15.7
26.5 to 30.4
53.9 to 58.8
26.5 to 30.4
9.81 to 11.28
9.81 to 11.28
19.6 to 24.5
32.4 to 37.3
14.7 to 19.6
98.1 to 107.9
28.9 to 32.5
9.4 to 11.6
19.6 to 22.5
39.8 to 43.4
10.8 to 13.7
7.23 to 8.32
7.23 to 8.32
14.5 to 18.1
23.9 to 27.5
10.8 to 14.5
72.3 to 79.6
*Bearing Case Bolts 1
*Bearing Case Bolts 2
*Flywheel Bolts
M7 x 1.0
M10 x 1.25
M6 x 0.75
M6 x 1.0
*Connecting Rod Bolts
*Rocker Arm Bracket Bolts
*Idler Gear Shaft Bolts
Spark Plugs
M6 x 1.0
M14 x 1.25
M12 x 1.25
PT 1/8
Drain Plugs
Oil Switch Taper Bolt
*Crankshaft Bolt
M12 x 1.5
For "*" marked bolts and nuts in the table, apply engine oil to their threads and seats before
tightening.
Screw and bolt material grades are shown by numbers punched on the screw and bolt heads.
C-2005
American-Lincoln
91 WS
1 - 35
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DECIMAL METRIC & CONVERSION TABLE
DECIMAL
DECIMAL
FRACTION
MILLIMETER
FRACTION
MILLIMETER
C-2001/9907
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91 WS
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BOLT IDENTIFICATION
SAE - Grade 8
SAE - Grade 5
Type
Type
F & T
B, AB
& BT
Grade
5
Plated
Screw
Size
Grade
8
Plated
Brass
410H
Stainless
C
C
F
F
15
28
43
108
17
31
49
76
110
153
267
-
F
-
F
20
35
54
132
22
39
62
95
-
C
-
C
20
18
33
47
114
19
34
55
85
-
5
9
23
41
*6
*8
14
27
21
34
-
-
37
49
-
13
32
6
64
156
49
120
*10
*1/4
5/16
3/8
7/16
1/2
9/16
5/8
3/4
7/8
1
39
86
-
130
22
151
24
44
70
108
155
216
378
-
120
15
28
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
40
63
10
16
-
44
68
95
138
191
338
545
818
98
-
135
239
387
579
-
-
-
-
-
-
-
-
-
-
-
-
-
-
C = Coarse Thread
F = Fine Thread
* = Torque values for #6 through 1/4 are lb./in. All others are lb./ft.
NOTE
Decrease the torque by 20% when using thread lubricant
The torque tolerance is on torque values.
C2000/9905
American-Lincoln
91 WS
1 - 37
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LEGEND - SCREWS/ SETSCREWS
ABBREVIATIONS - SCREWS
= Adjusting Screw
ADJ
= Adjusting Plunger Screw
= Binding Head Machine Screw
= Button Head Socket Screw
= Captivated Slotted Screw
= Captivated Wing Screw
= Flat Head Machine Screw
= Filister Head Machine Screw
= Hexagon Head Cap Screw
= Hexagon Head Machine Screw
= 1/2 High Head Screw
ADJ.SP
BHM
BHS
CAPT.SL
CAPT.WG
FHM
FIL.HM
HHC
HHM
HIHD
HSHC
HSFHC
KNH
= Hexagonal Socket Head Cap Screw
= Hexagonal Socket Flat Head Cap Screw
= Knurled Head Screw
= Metric Hexagon Head Cap Screw
= Pan Head Machine Screw
= Round Head Drive Screw
= Round Head Machine Screw
= Round Head Wood Screw
= Shiny Crown Cap Screw
= Shoulder Thumb Screw
= Square Head Screw
MHHC
PHM
RHD
RHM
RHW
SHC
SHTB
SQ
= Thumb Screw
TB
= Truss Head Machine Screw
= Weld Stud
THM
WELD
WG
= Wing Screw
ABBREVIATIONS - SETSCREWS
= Hexagonal Socket Setscrew
= Slotted Setscrew
HS
S
= Square Head Setscrew
= Knurled Cup Point Setscrew
= Cup Point Setscrew
SH
-KCP
-CP
-OP
-FDP
-HDP
-FP
= Oval Point Setscrew
= Full Dog Point Setscrew
= Half Dog Point Setscrew
= Flat Point Setscrew
= Cone Point Setscrew
-COP
C-2004
1-38
American-Lincoln
91 WS
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HARDWARE LEGEND
Description
Screw, #6-32 x 1.250 RHM
Flat Washer, .375 x .156 x .047
Lock Washer, #6 Med. Helical Spring
Nut, #6-32 Hex
Key No.
H1
H2
H3
H4
H5
H6
H7
H8
Part Number
2-00-05060
2-00-00455
2-00-01499
2-00-00624
2-00-00645
2-00-00049
2-00-00056
2-00-00039
2-00-00426
2-00-00519
2-00-00605
2-00-01246
2-00-00054
2-00-00219
2-00-00221
2-00-03051
2-00-00205
2-00-00060
2-00-02587
2-00-00203
2-00-01769
2-00-02589
2-00-01980
2-00-00220
2-00-00594
2-00-00641
2-00-03702
2-00-04685
2-00-04966
2-00-04687
2-00-04695
2-00-04688
2-00-00224
2-00-00208
2-00-02708
2-00-00196
2-00-00207
2-00-00225
2-00-00218
2-00-01770
2-00-02597
2-00-02655
2-00-00409
2-00-00530
2-00-00585
2-00-00644
2-00-00232
2-00-00233
2-00-00209
2-00-00234
2-00-00216
2-00-00402
2-00-02310
2-00-02360
2-00-00643
2-00-00239
2-00-00240
2-00-00241
2-00-00242
2-00-02682
2-00-02616
2-00-00405
Nut, Hex Fiber Insert #6-32
Screw, # 10-24 x .500 RHM
Screw, # 10-24 x .750 RHM
Screw, 10-24 x 1.000 RHM
Flat Washer, .500 x .219 x .063
Lock Washer, # 10 Med HS
Nut, Hex MS # 10-24 x .375 x .125
Nut, Hex Fiber Insert #10-24
Screw, 1/4-20 x .500 RHM
Screw, 1/4-20 x .500 HHC
Screw, 1/4-20 x .750 HHC
Screw, 1/4-20 x .750 HSHC
Screw, 1/4-20 x 1.000 HHC
Screw, 1/4-20 x 1.250 RHM
Screw, 1/4-20 x 1.250 HHC
Screw, 1/4-20 x 1.500 HHC
Screw, 1/4-20 x 1.750 HHC
Screw, 1/4-20 x 2.000 HHC
Screw, 1/4-20 x 2.500 HHC
Screw, 1/4-20 x .625 HHC
Nut, Hex 1/4-20 x .437 x .218
Nut, 1/4-20 Insert Fiber
H9
H10
H11
H12
H13
H14
H15
H16
H17
H18
H19
H20
H21
H22
H23
H24
H25
H26
H27
H28
H29
H30
H31
H32
H33
H34
H35
H36
H37
H38
H39
H40
H41
H42
H43
H44
H45
H46
H47
H48
H49
H50
H51
H52
H53
H54
H55
H56
H57
H58
H59
H60
H61
H62
Washer, .625 x .281 x .063
Screw, 1/4-20 x .750 HHC
Screw, 1/4-20 x 1.500 HHM
Lock Washer, Hel. Spring 1/4 Med.
Screw, # 10-32 x .630 RHM
Nut, 1/4-20 Hex.
Screw, 5/16-18 x .500 HHC
Screw, 5/16-18 x .750 HHC
Screw, 5/16-18 x 1.000 HHM
Carriage Bolt, 5/16-18 x 1.000
Screw, 5/16-18 x 1.250 HHC
Screw, 5/16-18 x 1.500 HHC
Screw, 5/16-18 x 2.000 HHC
Screw, 5/16-18 x 2.750 HHC
Screw, 5/16-18 x 3.250 HHC
Screw, 5/16-18 x 4.500 HHC
Flat Washer, .687 x .344 x .062
Lock Washer, 5/16 HS Med.
Nut, Hex. 5/16-18 x .500 x .265
Nut, 5/16-18, Insert Fiber
Screw, 3/8-16 x .750 HHC
Screw, 3/8-16 x 1.000 HHC
Screw, 3/8-16 x 1.250 HHC
Screw, 3/8-16 x 1.500 HHC
Screw, 3/8-16 x 2.000 HHC
Flat Washer, .750 x .390 x .094
Lock Washer, Helical Spring 3/8
Nut, 3/8-16 Hex.
Nut, 3/8-16 Stop
Screw, 1/2-13 x 1.000 HHC
Screw, 1/2-13 x 1.250 HHC
Screw, 1/2-13 x 1.750 HHC
Screw, 1/2-13 x 2.250 HHC
Screw, 1/2-13 x 2.750 HHC
Screw, 1/2-13 x 3.000 HHC
Flat Washer, 1.063 x .531 x .094
American-Lincoln
91 WS
1 - 39
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HARDWARE LEGEND
Key No.
H63
H64
H65
H66
H67
H68
H69
H70
H71
H72
H73
H74
H75
H76
H77
H78
H79
H80
H81
H82
H83
H84
H85
H86
H87
H88
H89
H90
H91
H92
H93
H94
Part Number
2-00-02312
2-00-00596
2-00-04936
2-00-02689
2-00-00614
2-00-00640
2-00-01255
2-00-05254
2-00-05255
2-00-00518
2-00-00247
2-00-03170
2-00-00618
2-00-00632
2-00-00484
2-00-05187
2-00-01676
2-00-02196
2-00-05276
2-00-00505
2-00-04877
2-00-00228
2-00-00650
2-00-03575
2-00-00263
2-00-05258
2-00-01372
2-00-03569
2-00-05279
2-00-04801
2-00-00222
2-00-00410
2-00-03382
2-00-02605
2-00-04677
2-00-05277
2-00-02810
2-00-03062
2-00-04897
2-00-04795
2-00-00089
2-00-03541
2-00-05260
2-00-04886
2-00-04887
2-00-04888
2-00-00522
2-00-03039
2-00-03296
2-00-02603
2-00-03333
2-00-00633
2-00-03063
2-00-01951
2-00-05067
2-00-02618
2-00-05005
2-00-03829
2-00-00090
2-00-05216
2-00-00204
2-00-02296
Description
Lock Washer, 1/2 HS Med.
Nut, Hex. 1/2-13 x .750 x .437
Nut, 1/2-13 Fibre Lock
Screw, 1/2-20 x 1.000 HHC
Nut, Hex 1/2-20
Nut, Hex Fiber Insert 1/2-20
Screw, 5/16-18 x .875 HHC
Screw, 3/4-10 x 2.250 HHC
Nut, 3/4-10 Nylon Lock
Lock Washer, Helical Spring
Screw, 1/2-13 x 2.500 HHC
Flat Washer, 1.500 x .750 x .125
Nut, Hex Jam 3/8-16
Nut, Fiber Insert 3/8-24 Steel
Flat Washer, .625 x .375 x .046
Carriage Bolt, 3/8-16 x 1.250
Flat Washer, 1.062 x .265 x .062'
Carriage Bolt, 1/4-20 x 1.000 RHM
Screw, 3/8-16 x 5.500
Lock Washer, 3/8 Int. Tooth
Screw, 1/4-20 x 1.000 BHS
Screw, 5/16-18 x 2.250 HHC
Nut, Cap 3/8-16 Low Crown
Carriage Bolt, 1/4-20 x .750
Set Screw, 1/4-20 x .250 HSKCP
Screw, #8-325 x .750 BHS
Nut, Fiber Insert #8-32 Steel
Carriage Bolt, 5/16-18 x .750
Screw, M6 x 1.0 x 20 mm MHHC
Flat Washer, .875 x .375 x .125
Screw, 1/4-20 x 1.250 HHM
Flat Washer, .875 x .375 x .060
Spring Washer, .875 x .500 x .015
Screw, 3/8-16 x 4.500 HHC
Screw, 1/4-20 x .750 HSC
Screw, 1/2-13 x .750 HSHC
Screw. 1/4-20 x 1.000 FHM
Screw, #10-24 x .625 THM
Screw, #10-24 x 1.250 THM
Screw, #10-24 x .750 BHS
Screw, 10-24 x 1.500 RHM
Screw, 1/4-20 x 1.500 FHSCH
Nut, Jam #8-32
Screw, 3/8-16 x .500 HSHC
Screw, Main Broom Control
Washer, Main Broom Control
Lock Washer, 3/4 Helical Spring
Screw, 1/4-20 x .625 HSHC
Screw, 3/8-16 x 4.000 HHC
Screw, 3/8-16 x 3.500 HHC
Screw, 3/8-16 x 3.750 HHC
Nut, Fiber 1/4-28
Screw, #10-24 x .750 THM
Carriage Bolt, 1/4-20 x 1.250
Flat Washer, 1.750 x .531 x .100
Screw, 1/2-13 x 3.500 HHC
Screw, M10 x 1.500 30 mm MHHC
Lock Washer, 3/8 Bolt
H95
H96
H97
H98
H99
H100
H101
H102
H103
H104
H105
H106
H107
H108
H109
H110
H111
H112
H113
H114
H115
H116
H117
H118
H119
H120
H121
H122
H123
H124
1-40
Screw, #8-32 x 1.500 RHM
Screw, 1/4-20 x 5.000 HHC
Screw, 1/4-20 x 1.500 HHC
Lock Washer, #10 Ext. Shakeproof
American-Lincoln
91 WS
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HARDWARE LEGEND
Key No.
H125
H126
H127
H128
H129
H130
H131
H132
H133
H134
H135
H136
H137
H138
H139
H140
H141
H142
H143
H144
H145
H146
H147
H148
H149
H150
H151
H152
H153
H154
H155
H156
H157
H158
H159
H160
H161
H162
H163
H164
H165
H166
H167
H168
H169
H170
H171
H172
H173
H174
H175
H176
H177
H178
H179
H180
H181
H182
H183
H184
H185
H186
American-Lincoln
91 WS
Part Number
2-00-00418
2-00-03466
2-00-03522
2-00-04681
2-00-02311
2-00-03334
2-00-03855
2-00-00503
2-00-00006
2-00-03032
2-00-05298
2-00-03940
2-00-05299
2-00-00504
2-00-00611
2-00-00447
2-00-00501
2-00-05244
2-00-00432
2-00-02303
2-00-04180
2-00-00420
2-00-00642
2-00-01778
2-00-01803
2-00-00211
2-00-00213
2-00-01562
2-00-03266
2-00-04363
2-00-05044
2-00-05079
2-00-00217
2-00-05306
2-00-00512
2-00-00441
2-00-00153
2-00-03961
2-00-03570
2-00-00107
2-00-00589
2-00-00066
2-00-04312
2-00-05261
2-00-02637
2-00-03061
2-00-02371
2-00-04986
2-00-02709
2-00-00183
2-00-01252
2-00-05337
2-00-05324
2-00-00206
2-00-04948
2-00-04378
2-00-05078
2-00-00236
2-00-05042
2-00-04366
2-00-02588
2-00-03041
Description
Flat Washer, .984 x .627 x .063
Screw, #10-16 x .500
Washer, 5/16 x 1.250 x .050
Carriage Bolt, 5/16-18 x 1.250
Lock Washer, 4.38 Split
Screw, .44-20 x 1.000 HHC
Carriage Bolt, 3/8-16 x 1.000
Lock Washer, 1/4 Ext.
Screw, #10-24 x .675 FHM
Screw, 3/8-16 x .750 FHS
Flat Washer, .344 x 2.000 x .062
Screw, #10-24 x .500 T/C HH
Screw, #10-24 x 1.250 HSHC
Lock Washer, Int.
Nut, Hex Jam, 3/8-24
Flat Washer, 1.250 x .280 x .090
Lock Washer, Int.
Carriage Bolt, 1/2-13 x 2.000
Flat Washer, 1.13 x .770 x .063
Lock Washer, Int.
Setscrew, 1/4-20 x .500
Flat Washer, 1.000 x .516 x .063
Nut, Fibre Insert 5/18-18
Screw, 1/2-13 x 2.000 HHC
Washer, 1.063 x .031 x .063
Screw, 5/16-18 x 1.750 HHC
Screw, 5/16-18 x .625 HHC
Carriage Bolt, 5/16-18 x 2.250
Washer
Screw, M8-1.250 x .750
Lock Washer, M14 Split
Screw, M14 x 1.500 x 25 mm HHC
Screw, 5/16-18 x 2.000 HHC
Screw, M14 x 35 mm HHC
Lock Washer
Flat Washer, .438 x .200 x .036
Screw, #8-24 x .875 OHM
Screw, 5/16-24 x 1.000 HHC
Carriage Bolt, 3/8-16 x .750
Screw, 10-24 x 4.50 RD. HD.
Nut, Hex Jam, .25-20
Screw, 6-32 x .50 RHM
Screw, 10-24 x .625 T/C Hex HD.
Insert, 1/4-20
Screw, 1/4-20 x 2.750 HHC
Screw, # 10-24 x .500 THM
Nut, Hex Jam .50-13 STL.
Screw, 1/4-20 x 4.500
Screw, 5/16-18 x 1.500
Screw, 1/4-20 x .750 THM
Screw, 10-24 x 2.750 RDH
Screw, #8-32 x .750 BHS SS
Threaded Insert, #8-32
Screw, 5/16-18 x 1.000 HHC
Screw, 25mm - M8 x 1.250
Clip, Water Line
Screw, M6 x 1.000 x 10mm HHC
Screw, 5/8-16 x 2.500 HHC
Lock Washer, M10
Screw, M10 x 1.500 x 25mm
Screw, 1/4-20 x 1.125 HHC Cad. Pl.
Screw, 1/4 x 1.250 HSC-SS
1 - 41
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HARDWARE LEGEND
Key No.
H187
H188
H189
H190
H191
H192
H193
H194
H195
H196
H197
H198
H199
H200
H201
H202
H203
H204
H205
H206
H207
H208
H209
H210
H211
H212
H213
H214
H215
H216
H217
H218
H219
H220
H221
H222
H223
H218
H219
H220
H221
H222
H223
H224
H225
H226
H227
H228
H229
H230
H231
H232
H233
H234
H235
H236
H237
H238
H239
H240
H241
H242
1-42
Part Number
2-00-00071
2-00-01987
2-00-00460
2-00-00529
2-00-00602
2-00-04841
2-00-03412
2-00-03537
2-00-04210
2-00-05350
2-00-03979
2-00-03808
2-00-04603
2-00-00626
2-00-02011
2-00-04514
2-00-04794
2-00-04873
2-00-04721
2-00-00407
2-00-02227
2-00-00772
2-00-00586
2-00-00776
2-00-02728
2-00-00566
2-00-01254
2-00-00462
2-00-02558
2-00-04378
2-00-00511
2-00-05345
2-00-05359
2-00-02617
2-00-03335
2-00-02848
2-00-00631
2-00-05345
2-00-05359
2-00-02617
2-00-03335
2-00-02848
2-00-00631
2-00-04686
2-00-04851
2-00-04689
2-00-04596
2-00-02606
2-00-01490
2-00-00466
2-00-02933
2-00-04909
2-00-02638
2-00-00064
2-00-00197
2-00-02369
2-00-05356
2-00-03750
2-00-02814
2-00-05398
2-00-05395
2-00-05370
Description
Screw, #10-24 x 1.250 RHM
Flat Washer, .438 x .200 x .036 sst
Flat Washer, .437 x .192 x .031-s
Lock Washer - helical sps, 8 MDM
Nut, MSCR - Hex, 8-32
Nut 3/4 - 16 Slotted Hex head
Lock Nut, .375 - 24, sps 21 FK
Screw - 1/4 - 20 x2.000
Clamp
Screw 1/4 - 28 x .63 HHC
Washer 1.00 x .391 x .06
Wahser 1.50 x .750 x .06
Clamp
Nut, Hex MS #10 - 32 x .375 x .125
Plastic Plug, .440 Dia (Diesel)
Plastic Plug, .562 Dia ( LP & Gas)
Screw, #10 - 24 x .625 BHS
Clamp
Grommet, 1.750 x1.125 x .500 x.125
Washer, Flat .562 x.265
Key, .125 x .750 SQ
Cotterpin .093 x 1.000
Nut Hex Jam 5/16 - 18x .500 x .187
Cotterpin .125x1.500
Screw 10 - 32 x .375 BHM
Fitting-Grease
Screw - 1/2 - 13 x 1.500 HHCS
Flat Washer, .562 x .250 x .031
Grease Zerk
Harness Clamp
Internal Washer, #6
Screw, Hex Head Cap
Nut, Serrated Flange 5/16-18
Screw, 50-13 x 3.25 HHC
Screw, Hex SOC Cap, .312 -18 x .50
Screw, 10-32 x .50 Cad PL,STL RHM
Nut, .31 - 24 Fiber Insert
Screw, Hex Head Cap
Nut, Serrated Flange 5/16-18
Screw, 50-13 x 3.25 HHC
Screw, Hex SOC Cap, .312 -18 x .50
Screw, 10-32 x .50 Cad PL,STL RHM
Nut, .31 - 24 Fiber Insert
Lock Washer-helical#10Scr.Med. SS
Washer, Engine Mount
Washer, 11/16 OD x .260 ID x .050
Screw, Hex Head 1/4 - 20 x 3.5
Screw, .375 - 24 x 1.00, STL HHC
Screw, .25 - 20 x .875 HHC STL
Flat Washer, .625 x .203 x .031
Screw, Mach 10 - 24 x 3.50
Yoke, Pin Assy.
Screw, HHC .25-20 x 3.00
Screw- RHM #10-24 x .88
Carriage Bolt, .38-16 x 2.75
Nut, Hex Jam, .38-16
Screw, 5/16 - 18 X 1.25 Grade 8
Carriage Bolt, .38-16 x 1.50
Screw-FHM .25-20x1.75
Screw, HSHC 3/8-16 x .50
Screw, RHM .25-20 x 4.00 Zinc
Screw, M12 - 16 x 1.75 x 40mm HHC
American-Lincoln
91 WS
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HARDWARE LEGEND
Key No.
H243
H244
H245
H246
H247
H248
H249
H250
H251
H252
H253
H254
H255
H256
H257
H258
H259
H260
H261
H262
H263
H264
H265
H266
H267
H268
H269
H270
H271
H272
H273
H274
H275
H276
H277
H278
H279
H280
H281
H282
H283
H284
H285
H286
H287
H288
H289
H290
H291
H292
H293
H294
H295
H296
H297
H298
H299
H300
H301
H302
H303
H304
Part Number
2-00-00591
2-00-05297
2-00-05401
2-00-05122
2-00-04590
2-00-05236
2-00-00004
2-00-04968
2-00-02602
2-00-00600
2-00-05120
2-00-04625
2-00-00227
2-00-02354
2-00-00093
2-00-04062
2-00-05343
2-00-00615
2-00-05344
2-00-00617
2-00-02313
2-00-02622
2-00-00506
2-00-05371
2-00-00068
2-00-00051
2-00-00118
2-00-05341
2-00-03293
2-00-04563
2-00-03214
2-00-02676
2-00-00237
2-00-00223
2-00-05164
2-00-03044
2-00-04914
2-00-00187
2-00-00415
2-00-02562
2-00-03842
2-00-04845
2-00-05153
2-00-05383
2-00-00264
2-00-00668
2-00-00532
2-00-02049
2-00-02243
2-00-02293
2-00-03151
2-00-03158
2-00-03306
2-00-03413
2-00-04345
2-00-04708
2-00-05183
2-00-00767
2-00-04159
2-00-00490
2-00-05103
2-00-00246
Description
Nut, Hex-Jam .50-20
Nut, Insert Fiber, .38-16 Heavy Nut
Shoulder Screw, 1/2-3/4
Screw-HHC, .25-20 x 2.00
Washer
Flat Washer, 2.000 x .281 x .063
Screw-FHM #10-24 x 1.25
Screw-T/FRH #14-10 x 1.00 Type A
Screw, 3/8-16 x 2.750 HHC Cad. Pl
Nut, Hex Heavy 3/8-16
Nut, .75-Hex Nyloc Jam
Screw-HHM .375-24 x .75
Screw-HHC .313-18 x 2.25
Nut-Hex-Jam .50-20
Screw-RHM 6-32 x .75
Screw-T/FFH #6-20 x .50
Bolt Carriage , .38-16 x 3.50 sstl
Nut, Hex Fin .63 - 22
Screw - HHM .313 - 18 x 1.75 Stl
Nut, Hex, Finish .75-16
Lock Washer, HS .63 Scr. Med.
Screw, 5/16 - 18 x 1.000 HHM
Lock Washer, Int Tooth #8 Dia Screw
Screw-RHM #8-32 x 2.38
Screw-RHM #8-32 x .63
Screw-RH, .25 - 20 x .75
Screw - RHM #10 - 24 x .625
Screw-HHC .75-10 x 2.00
Nut-Hex-Fin .75-10
Screw, Shoulder #10-24
Screw, .31-18 x .75 Zinc PL HSHC
Screw, .50 - 13 x .75 HHM
Screw, HHC .375 - 16 x 3.00
Screw, HHC .25-20 x 1.25 nickel
Screw, HHM 5/16 - 18 x 3.50
Screw, .38 -16 .75 HSHC
Screw, .50 - 13 x 4.50 HHC
Bolt Carriage, .38 - 16 x 2.50
Flat Washer, .9375 x .468 x .0625SS
Fitting
Roll Pin, 1/4 x 1.00
Screw, 3/8-16 x 1.00 FHSC
Screw, 1/4 x 20 1.50 HHC
Washer, Special
Set Screw, 1/4-20 x .313 HSKCP
Wing Nut, 5/16-18
Snap Ring
Bearing - Double Seal
Square Key, .188 - .187 x 1.250
Lockwasher, 5/8 Int.
Spacer, 1/2 ID 3/4 .625 Lg.
Spacer, 1/2 ID 3/4 .3/8 Lg.
Bearing
Flat Washer, 1.125 x .765 x .062
Tye - Wrap
Terminal
Terminal, 1/4 x .03 12-10
Cotter Pin, .063 x.500
Flat Washer, 1.375 x .563 x .109 SS
Washer, Spring, Shakeproof
Flat Washer, .750 x .343 x .050 SS
Screw, .25 - 20 x 2.25 HHC
American-Lincoln
91 WS
1 - 43
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HARDWARE LEGEND
Key No.
Part Number
Description
H305
H306
H307
H308
H309
H311
H312
H313
H314
H315
H316
H317
H318
H319
H320
H321
H322
H323
H324
H325
H326
H327
H328
H329
H330
H331
H332
H333
H334
H335
H336
H337
H338
H339
H340
H341
H342
H343
H344
H345
H346
H347
H348
H349
H350
H351
H352
H353
H354
H355
H356
H357
2-00-00809
2-00-05405
2-00-02963
2-00-05388
2-00-01081
2-00-05024
2-00-05227
2-00-04652
2-00-03836
2-00-00593
2-00-00044
2-00-00252
2-00-04750
2-00-02352
2-00-05424
2-00-04699
2-00-03993
2-00-00244
2-00-05329
2-00-00092
2-00-00235
2-00-05444
2-00-03994
2-00-00036
2-00-00397
2-00-02779
2-00-05433
2-00-00451
2-00-05450
2-00-03404
2-00-04620
2-00-03042
2-00-04880
2-00-04876
2-00-05463
2-00-05385
2-00-04857
2-00-00250
2-00-04576
2-00-00249
2-00-05237
2-00-00231
2-00-04446
2-00-05454
2-00-05354
2-00-05455
2-00-00427
2-00-02336
2-00-02694
2-00-04182
2-00-00011
2-00-00081
Screw, HSHC .31 - 18 x 1.00
Nut, 3/8 - 32 NEF 2A
Screw, RHM #10-32 1/4 PL. (Steel)
Sealing Washer 46/53 ESP OPT
Screw - T/C RH #8-32x.50type 2
Washer Flat, 2 x 1.06
Screw, HHC M14 x 1.50 x 45mmgr10
Screw, HHC .438 - 20 x 1.50
Bolt Carriage, .31 - 18 x 1.75
Nut, .38-16 Hex heavy Jam
Screw, RHM #8-32 x .50
Screw, .313-18 x 4.00 HHC
Screw, BTN HD SKT
Nut, Hex Hvy, .50-13 stl-zn.
Screw, Shoulder 1/2-1/2
Screw, HHC, .375-16 x 2.75
Screw, HHM 3/4-16 x 3.000
Screw, HHC .25-20 x 1.000
Screw, HHC M10 x 1.50 x 40MM SS
Screw, Ph. RHM #8-32 x 1.75 Zn.
Screw HHC .375-16 x 1.75
#10-24 BHCS 1.00 Black Oxide
Carriage Bolt, .31-18 x 1.50
Screw, RHM #10-24 x .25** NLS
Flatwasher .875 x .516 x .031 ss
Fhms #10-32 x .312
M16 x 1.50 Hex Nut (Metric) Gr 10.9
Flatwasher .750 x .312 x .065 ss-zn
Shoulder Screw, 5/16-18 x 3/8
Clamp - Witteck - C24P
O-Ring
Screw - JSJC, .25-20 X 1.50
Screw - 1/4-20 x .75 BHS GR 8 Zn.
Screw - 1/4-20 x .50 BHS GR 8 Zn.
#8-32 x 1.25 FHS Phillips
Screw - HHM .375-16 x 1.75
Bulkhead - Union Elbow
Screw - HHM, #10-24 x 1/2
Terminal Insulated Bullet Plu
Screw - HHM 8-32 x .375 Brass/Chr
Flatwasher, 1.063 x .265 x .063
Screw - HHC .375-16 x .63**NLS
Terminal
#8-32 x 2.5 FHM Screw
Fitting 90º Elbow
5/16-18 x 1/2 Shldr. Screw Stl.
Flatwasher, .875 x .516 x .063 stl.
Nut, Hex Hvy Semi Fin, .25-20
Screw HHC - .50-20 x 2.25
Bushing
Screw, #10-24 x .500 FHS, Zn.
Screw, Ph. RHM .25-20 x 1.00 Zn.
1-44
American-Lincoln
91 WS
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ORDERING PARTS
Parts may be ordered from American-Lincoln authorized distributors.
Record the information from the American-Lincoln serial number plate
to avoid delays in filling your order.
MODEL NO.
SERIAL NO.
Manufactured By
AMERICAN LINCOLN
TECHNOLOGY
®
BOWLING GREEN, OHIO
1. Use the model number, catalog number, and serial number when ordering.
2. Give the part nnumber, description, and quality of parts needed.
3. Give shipping instructions for either freight, UPS, or parcel post.
Parts aand supppliess listed in this manual can be ordered from the following address:
American Liincoln
American-Lincoln
Distriibutor
1100 Haskiins Road
Bowlinng Greeen, Ohiio 4302
1-800-3331-7692
MACHINE CCATALLOOG NUMBERS
400-0041 911WS Batteryy withh Proeexx Main Broom
400-051 91WS GGas with PProex Maaiin Broom
400-053 S Pi
American-Lincoln
91 WS
1 - 45
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NOTES
1-46
American-Lincoln Technology
91 WS
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TABLE OF CONTENTS - CHAPTER 2
Frame .................................................................................................................................................. 2-2
Covers .................................................................................................................................................. 2-4
Wheel drive ............................................................................................................................................. 2-6
Lower wheel drive .................................................................................................................................... 2-8
Main broom ............................................................................................................................................. 2-10
Main Broom Arms ................................................................................................................................... 2-12
Right Hand Side Broom........................................................................................................................... 2-14
Hopper .................................................................................................................................................. 2-16
Filter Shaker ........................................................................................................................................... 2-18
Impeller .................................................................................................................................................. 2-20
Battery .................................................................................................................................................. 2-22
Engine .................................................................................................................................................. 2-24
Electrical Assembly (Battery).................................................................................................................. 2-26
Electrical Assembly (Gas) ...................................................................................................................... 2-28
Control Panel (Battery) ............................................................................................................................ 2-30
Control Panel (Gas)................................................................................................................................. 2-32
Decals (Gas & Battery) ........................................................................................................................... 2-34
American-Lincoln
91 WS
2-1
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FRAME - PARTS LIST
KEY NO.
PART NUMBER
DESCRIPTION
QTY
1
2
3
4
5
8-52-00179
8-41-00040
8-25-08205
8-13-07127
8-27-07116
Broom Door
Latch
Flap, R.H. Side
Door Clamp
Frame, Welded
1
1
1
1
1
6
7
8
9
8-32-00046
8-25-08204
8-25-08203
8-13-07129
8-25-08206
Hinge, Broom Door
Flap, Rear Outside
Flap, Rear Inside
Clamp, Rear Flaps
Flap R.H. Side
1
1
1
2
1
10
11
12
13
14
15
8-13-07126
8-13-07125
8-25-08207
8-13-07128
0797-038
Clamp, R.H. Rear
Clamp. R.H. Front
Flap, L.H. Wheel Well
Clamp, Wheel Well Flap
Caster
1
1
1
1
1
16
17
18
19
20
3-73-00056
Seal, Broom Door - Long
1
8-68-05072
2-00-05134
8-68-05084
Seal, Hopper - Long
Plug Button
Seal, Broom Door - Short
1
2
1
21
2-00-00466
Washer
1
HARDWARE USED:
H15
H26
H27
H35
H43
H46
H86
H136
2-00-00221
Screw, 1/4 - 20 x .750 HHC
Nut, 1/4 - 20 Insert Fiber
3
6
6
4
4
4
3
20
2-00-00641
2-00-03702
2-00-02708
2-00-00409
2-00-00644
2-00-03575
2-00-03940
Washer, .625 x .281 x .063
Screw, 5/16 - 18 x 1.000 HHM
Flat Washer, .687 x .344 x .062
Nut, 5/16 - 18, Insert Fiber
Carriage Bolt, 1/4 - 20 x .750
Screw, #10-24 x .500 T/C HH
C1175-1/9604
2-2
American-Lincoln
91 WS
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FRAME - EXPLODED VIEW
H86
H136
H35
H26
H27
H15
H136
H26
H136
H136
H136
H43
H46
C1175-1/9604
American-Lincoln
91 WS
2-3
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COVERS - PARTS LIST
KEY NO.
PART NUMBER
DESCRIPTION
QTY
1
2
3
4
8-32-00050
8-16-07358
8-10-00027
8-16-07415
8-16-07416
8-05-07089
Hinge
Rear Cover
Cable
Cover (24VDC ONLY)
Cover (GASAND LP ONLY)
Bar, Grill (Gas & LP Only)
2
1
1
1
1
2
5
HARDWARE USED:
H8
H9
2-00-00039
Screw, #10 - 24 x .675 FHM
Flat Washer, .500 x .219 x .063
Nut, Hex Fiber Insert #10-24
Screw, 1/4-20 x .500 HHC
Screw, 1/4 - 20 x .750 HHC
Nut, Hex 1/4-20 x .437 x .218
Nut, 1/4 - 20 Insert Fiber
Washer, .625 x .281 x .063
Screw, 1/4-20 x 1.250 HHM
Screw, #10-24 x .500 T/C HH
Lock Washer, Int.
4
4
4
6
4
2
6
4
2
4
6
2-00-00426
2-00-01246
2-00-00219
2-00-00221
2-00-00594
2-00-00641
2-00-03702
2-00-00222
2-00-03940
2-00-00501
H12
H14
H15
H25
H26
H27
H93
H136
H141
C1175-2/6904
2-4
American-Lincoln
91 WS
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COVERS - EXPLODED VIEW
H9
H12
H8
H93
H25
H26
H26
H141
H14
H15
H136
H27
H26
C1175-2-9604
American-Lincoln
91 WS
2-5
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WHEEL DRIVE - PARTS LIST
KEY NO.
PART NUMBER
DESCRIPTION
QTY.
1
2
3
4
5
8-23-03067
8-03-04312
8-23-03066
8-58-05276
8-60-00183
Washer, Fwd/Rev Outer
Arm, Forward/Reverse
Washer, Fwd/Rev Inner
Washer, Fwd/Rev
1
1
1
1
1
Idler Pulley
6
7
8
9
8-60-00177
2-00-03306
8-42-05138
8-25-02019
2-00-02172
Idler Pulley (Fwd/Rev)
Bearing
Link
Ball Joint
Rod, Clutch Centering
1
2
1
2
1
10
11
12
13
14
15
2-95-04182
7-76-00096
8-31-06085
8-31-06088
8-08-00798
Nut, Fiber
Spring
Control Handle
Handle, Clutch (Welded)
Bracket, Clutch Handle
1
1
1
1
2
16
17
18
19
20
21
2-00-05284
2-00-05285
8-75-01115
8-08-00828
7-08-00509
7-76-00102
Belt, Forward (3/4 x 38”)
Belt, Reverse (1/2 x 38”)
Spacer, .875 x .375 x .940
Bracket, Clutch Handle
Bracket
1
1
1
2
1
1
Spring
HARDWARE USED:
H9
H12
H15
H36
H43
H46
H52
H62
2-00-00426
Flat Washer, .500 x .219 x .063
Nut, Hex Fiber Insert #10 - 24
Screw, 1/4-20 x .750 HHC
Carriage Bolt, 5/16-18 x 1.000
Flat Washer, .687 x .344 x .062
Nut, 5/16-18, Insert Fiber
Flat Washer, .750 x .390 x .094
Flat Washer, 1.063 x .531 x .094
Nut, 1/2-13 Fiber Lock
Screw, #10-24 x .750 BHS
Carriage Bolt, 2/8-16 x 1.000
Screw, 3/8-16 x .750 FHS
Flat Washer, 1.250 x .280 x .090
Lock Washer, Int.
Carriage Bolt, 1/2-13 x 2.000
Flat Washer, 1.130 x .770 x .063
Lock Washer, Int.
3
3
2
4
2
10
4
4
1
3
2
2
2
2
2
4
8
2
2-00-01246
2-00-00221
2-00-00196
2-00-00409
2-00-00644
2-00-00402
2-00-00405
2-00-04936
2-00-04795
2-00-03855
2-00-03032
2-00-00447
2-00-00501
2-00-05244
2-00-00432
2-00-02303
2-00-00420
H65
H102
H131
H134
H140
H141
H142
H143
H144
H146
Flat Washer, 1.000 x .516 x .063
C1176-3/0103
2-6
American-Lincoln
91 WS
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WHEEL DRIVE - EXPLODED VIEW
H38
H46
H59
H62
H139
H52
H112
H43
H46
H76
H137
H52
H79
H62
H146
H34
H26
H65
H12
H52
C1176-3/0103
American-Lincoln
91 WS
2-7
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LOWER WHEEL DRIVE - PARTS LIST
KEY NO.
PART NUMBER
DESCRIPTION
QTY.
1
2
3
4
5
0885-086
Differential
1
1
2
1
2
8-08-00800
2-00-03997
8-25-06012
8-89-08072
Bracket, Differential Bearing
Bearing, Flange
Flange, Welded
Drive Wheel
6
7
8
9
8-65-00046
8-75-05069
8-60-00178
2-00-04636
8-75-01202
Axle Retainer
Idler Sprocket
Differential Pulley
Ball Bearing
2
2
1
5
2
10
Spacer, Wheel
11
12
13
14
15
8-76-05023
8-76-05013
2-00-03306
2-00-05295
8-75-01208
Idler Sprocket
Drive Sprocket
Bearing
Screw, 5/16-18 x 2.000 HSHC
Chain
2
2
2
8
2
16
17
18
19
2-00-00264
2-00-02227
2-95-04182
8-75-01208
Screw, 5/16 HS-KCP
Key, Square 1/8 x .750
Nut, Fiber
2
2
2
4
Differential Spacer
HARDWARE USED:
H9
H12
H15
H36
H43
H46
H48
H52
2-00-00426
Flat Washer, .500 x .219 x .063
Nut, Hex Fiber Insert #10-24
Screw, 1/4-20 x .750 HHC
Carriage Bolt, 5/16-18 x 1.000
Flat Washer, .687 x .344 x .062
Nut, 5/16-18, Insert Fiber
Screw, 3/8-16 x 1.000 HHC
Flat Washer, .750 x .390 x .094
Flat Washer, 1.063 x .531 x .094
Nut, 1/2-13 Fiber Lock
Lock Washer, 3/8 Int. Tooth
Screw, #10-24 x .750 BHS
Carriage Bolt, 3/8-16 x 1.000
Screw, 3/8-16 x .750 FHS
Flat Washer, 1.250 x .280 x .090
Lock Washer, Int.
Carriage Bolt, 1/2-13 x 2.000
Flat Washer, 1.13 x .770 x .063
Lock Washer, Int.
3
3
1
4
4
8
2
4
15
2
2
3
2
2
2
2
2
4
8
4
2-00-01246
2-00-00221
2-00-00196
2-00-00409
2-00-00644
2-00-00233
2-00-00402
2-00-00405
2-00-04936
2-00-00505
2-00-04795
2-00-03855
2-00-03032
2-00-00447
2-00-00501
2-00-05244
2-00-00432
2-00-02303
2-00-00420
H62
H65
H82
H102
H131
H134
H140
H141
H142
H143
H144
H146
Flat Washer, 1.000 x .516 x .063
C-1176-2
2-8
American-Lincoln
91 WS
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LOWER WHEEL DRIVE - EXPLODED VIEW
H15
H140
H141
H134
H52
H62
H62
H65
H46
H43
H146
H144
H36
H62
H46
H143
H12
H142
H131
H9
H102
H52
H146
H62
H82
H48
H140
H141
H15
C1176-2/9604
American-Lincoln
91 WS
2-9
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MAIN BROOM - PARTS LIST
KEY NO.
PART NUMBER
DESCRIPTION
QTY
1
2
3
4
5
8-81-00176
Main Broom Arm Support
1
7-39-00025
2-00-02049
7-60-00141
Knob
Bearing
Pulley
1
2
1
6
7
8
9
8-03-04308
8-03-04307
8-60-00174
2-00-03306
8-41-05082
Arm, Belt Idler (Upper)
Arm, Belt Idler (Lower)
Pulley, Idler (Main Broom)
Bearing
1
1
2
2
1
10
Lever, Main Broom
11
12
13
14
15
8-66-00174
2-10-01336
2-95-04182
7-31-06066
8-79-00030
Rod, Main Broom
Spring
Nut, Fiber
Handle, Grip 1.000 x .250
Strap, Static
1
1
1
1
1
16
17
18
19
2-00-05314
2-00-01036
8-76-00053
8-08-00809
Belt
Belt
Spring
Retainer
1
1
2
1
HARDWARE USED:
H36
H37
H43
H46
H48
H49
H52
H54
2-00-00196
Carriage Bolt, 5/16-18 x 1.000
Screw, 5/16-18 x 1.000
1
1
1
5
1
2
3
1
2
8
4
5
1
1
2
2-00-00207
2-00-00409
2-00-00644
2-00-00233
2-00-00209
2-00-00402
2-00-02360
2-00-04936
2-00-00418
2-00-02303
2-00-00420
2-00-00642
2-00-01778
2-00-01803
Flat Washer, .687 x .344 x .062
Nut, 5/16-18 Insert Fiber
Screw, 3/8-16 x 1.000 HHC
Screw, 3/8-16 x 1.250 HHC
Flat Washer, .750 x .390 x .094
Nut, 3/8-16 Hex.
Nut, 1/2-13 Fiber Lock
Flat Washer, .984 x .627 x .063
Lock Washer, Int.
Flat Washer, 1.000 x .516 x .063
Nut, Fiber Insert 5/18-18
Screw, 1/2-13 x 2.000 HHC
Washer, 1.063 x .031 x .063
H65
H125
H144
H146
H147
H148
H149
C1177-2/9604
2-10
American-Lincoln
91 WS
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MAIN BROOM - EXPLODED VIEW
H52
H52
H54
H46
H43
H144
H36
H37
H48
H49
H120
H34
H149
H43
H46
H125
H125
H144
H33
H148
H65
H146
H65
H125
H146
H148
C1177-2/9707
H125
H147
American-Lincoln
91 WS
2-11
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MAIN BROOM ARMS - PARTS LIST
KEY NO.
PART NUMBER
DESCRIPTION
QTY.
1
2
3
4
5
8-70-05291
8-03-04311
8-03-04310
2-00-02243
2-00-03158
Broom Shaft
Arm, Broom (R.H.)
Arm, Broom Idler
Key
1
1
1
2
2
Spacer
6
7
8
9
7-60-00142
8-33-09062
8-30-05112
8-33-09059
2-00-02049
Pulley
Driver Hub
Guard
Idler Hub
Bearing
1
1
1
1
4
10
11
12
13
14
8-15-01002
2-00-03306
2-95-01931
8-08-03216
8-08-03222
8-08-03223
8-08-03230
Collar, Setscrew
Bearing
Setscrew
Main Broom - Proex
Main Broom - Nylon
Main Broom - Nylon High Density
Main Broom - Proex & Wire
4
2
1
Ref.
Ref.
Ref.
Ref.
HARDWARE USED:
H14
H61
H65
H125
H141
H145
2-00-00219
Screw, 1/4-20 x .500 HHC
Screw, 1/2-13 x 3.000 HHC
Nut, 1/2-13 Fiber Lock
Flat Washer, .984 x .627 x .063
Lock Washer, Int.
2
1
1
8
2
2
2-00-02616
2-00-05936
2-00-00418
2-00-00501
2-00-04180
Setscrew, 1/4-20 x .500
C1177-1
2-12
American-Lincoln
91 WS
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MAIN BROOM ARMS - EXPLODED VIEW
H61
H141
H14
H145
H65
H44
C1177-1
H33
H125
American-Lincoln
91 WS
2-13
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RIGHT HAND SIDE BROOM - PARTS LIST
KEY NO.
PART NUMBER
DESCRIPTION
QTY
1
2
3
8-03-04313
0885-087
8-08-03215
8-08-03231
8-25-06006
8-60-00184
Side Broom Arm (Welded)
Gear Box Assembly
Side Broom
Side Broom Nylon
Flange
1
1
1
1
1
1
4
5
Pulley, Gear Box
6
7
8
9
7-76-00051
8-08-00806
7-76-00003
8-08-00809
8-08-00807
Spring
1
1
1
1
1
Bracket, Side Broom (Outer)
Spring
Retainer, Side Broom Link
Bracket, Side Broom (Inner)
10
11
12
13
14
15
8-81-00170
8-58-05277
8-66-00175
2-00-05286
8-55-08126
Support, Gear Box Mounting
Plate, Side Broom Arm
Rod, Side Broom Link
Belt
1
1
1
1
1
Safety Snap Pin
16
17
18
2-00-02240
7-09-01057
7-21-04042
Key, 3/16 x .750
Bushing
Edging
1
2
1
HARDWARE USED:
H16
H20
H22
H25
H26
H27
H36
H37
H40
H43
H46
H62
H128
H135
H150
2-00-03051
Screw, 1/4-20 x .750 HSHC
Screw, 1/4-20 x 1.500 HHC
Screw, 1/4-20 x 2.000 HHC
Nut, Hex 1/4-20 x .437 x .218
Nut, 1/4-20 Insert Fiber
Washer, .625 x .281 x .063
Carriage Bolt, 5/16-18 x 1.000
Screw, 5/16-18 x 1.250 HHC
Screw, 5/16-18 x 2.750 HHC
Flat Washer, .687 x .344 x .062
Nut, 5/16-18, Insert Fiber
3
1
3
1
11
5
3
1
1
2
6
1
1
4
1
2-00-00203
2-00-02589
2-00-00594
2-00-00641
2-00-03702
2-00-00196
2-00-00207
2-00-01770
2-00-00409
2-00-00644
2-00-00405
2-00-04681
2-00-05298
2-00-00211
Flat Washer, 1.063 x .531 x .094
Carriage Bolt, 5/16-18 x 1.250
Flat Washer, .344 x 2.000 x .062
Screw, 5/16-18 x 1.750 HHC
C1182
2-14
American-Lincoln
91 WS
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RIGHT HAND SIDE BROOM - EXPLODED VIEW
6
H150
13
12
17
11
H46
H62
H36
H25
H26
H135
H43
2
H37
H46
16
H20
H22
9
H43
H16
H46
4
10
H135
H46
15
3
8
5
MOTOR
PULLEY
14
H40
H150
H36
7
17
1
H27
H26
H128
BELT DIAGRAM
18
C-1182
American-Lincoln
91 WS
2-15
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HOPPER - PARTS LIST
KEY NO.
PART NUMBER
DESCRIPTION
QTY.
1
2
3
4
5
8-32-06103
8-13-07130
8-13-07131
8-66-00177
8-13-07124
Hopper (Plastic)
1
1
1
2
1
Clamp - Filter (Rear)
Clamp - Filter (Front)
Rod - Filter Tie
Clamp - Hopper Flap
6
7
8
9
8-25-08208
8-13-07133
8-41-00058
8-31-06087
2-95-03355
Flap - Hopper
1
2
1
1
1
Clamp - Hopper Lip
Latch - Hopper Lift
Handle - Hopper Lift
Handle - Grip
10
11
12
13
14
15
7-31-06064
8-70-05301
8-15-01003
7-76-00112
8-24-04074-1
8-24-04074-2
Handle
Shaft - Hopper Pivot
Collar
Spring - Tie Rods
Filter
POLY Filter Option
2
1
1
2
1
16
17
18
19
20
8-51-05018
2-00-01415
8-29-00247
2-00-00246
2-00-02968
Pan - Filter Debris
Pin - Roll Dia. .25 x 1.50
Gasket
Screw
Screw
1
1
2
1
6
HARDWARE USED:
H8
2-00-00039
Screw, 10-24 x 1.000 RHM
Nut, Hex Fiber Insert #10-24
Screw, 1/4-20 x .750 HHC
Nut, 1/4-20 Insert Fiber
Washer, .625 x .281 x .063
Screw, #10-24 x .625 THM
Screw, #10-16 x .500
5
5
5
10
10
4
H12
H15
H26
H27
H100
H126
2-00-01246
2-00-00221
2-00-00641
2-00-03702
2-00-03062
2-00-03466
15
C1178/9610
2-16
American-Lincoln
91 WS
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HOPPER - EXPLODED VIEW
H26
H27
H27
H15
H15
H26
H100
H126
H27
H27
H26
H126
H12
H27
H26
C1178/9705
H8
American-Lincoln
91 WS
2-17
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FILTER SHAKER - PARTS LIST
KEY NO.
PART NUMBER
DESCRIPTION
QTY.
1
2
3
4
5
8-24-04140
8-08-00817
8-08-00819
8-33-02331
8-41-00033
Manifold, Filter
1
1
1
1
1
Filter Manifold Bracket
Filter Manifold Bracket
Hose, Impeller Inlet
Filter Manifold Latch
6
7
8
9
8-55-08114
7-58-05278
7-03-04135
8-16-07406
0860-623
Shaker Pivot Pin
Shaker Motor Plate
Arm, Shaker
Motor Hold Down
Motor
1
1
1
1
1
10
11
12
13
14
15
8-89-04019
2-00-03589
8-29-00228
8-29-00229
7-13-07104
Weight, Filter Shaker
Collar, Filter Shaker
Gasket, Impeller Manifold
Gasket, Impeller Manifold
Clamp, Hose Impeller Inlet
1
4
2
2
1
16
17
8-76-00053
2-00-04937
Spring
Tie Raps
2
1
HARDWARE USED:
H6
2-00-00049
Screw, #10-24 x .500 RHM
Lock Washer, #10 Med. HS
Nut, Hex MS #10-24 x .375 x .125
Screw, 1/4-20 x .750 HHC
Screw, 1/4-20 x 1.500 HHC
Nut, Hex 1/4-20 x .437 x .218
Nut, 1/4-20 Insert Fiber
Washer, .625 x .281 x .063
Carriage Bolt, 1/4-20 x .750
Screw, #10-16 x .500
2
2
2
2
2
2
12
10
12
2
H10
H11
H15
H20
H25
H26
H27
H86
H126
H136
H287
2-00-00519
2-00-00605
2-00-00221
2-00-00203
2-00-00594
2-00-00641
2-00-03702
2-00-03575
2-00-03466
2-00-03940
2-00-00264
Screw, #10-24 x .500 T/C HH
Set Screw, ¼-20 x .313 HSKCP
1
C1179-1
2-18
American-Lincoln
91 WS
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FILTER SHAKER - EXPLODED VIEW
5
17
H126
H6
4
14
H136
13
15
1
H20
2
H25
H26
11
H26
H27
16
H86
H15
H287
H26
6
H10
10
9
3
H11
7
H27
H26
C1179-1/9907
H86
12
8
H26
H27
H86
American-Lincoln
91 WS
2-19
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IMPELLER - PARTS LIST
KEY NO.
PART NUMBER
DESCRIPTION
QTY.
1
2
3
4
5
8-16-07392
8-81-00172
8-70-05296
8-60-00182
2-95-04317
Plate Impeller Cover
Support, Impeller
Impeller Shaft
Impeller Drive Pulley
Bearing, Impeller Shaft
1
1
1
1
2
6
7
8
9
8-23-00012
8-75-01203
8-03-04314
8-08-00809
7-13-07104
Impeller Fan
1
3
1
1
1
Spacer, Impeller Cover
Arm, Hopper Latch
Bracket, Latch Arm
Clamp, Hose (Impeller Inlet)
10
11
12
13
14
15
7-76-00096
2-95-04182
2-00-03589
2-00-00709
2-00-02227
Spring
Nut, Fiber
Collar, Filter Shaker
Key, Square 3/16 x 1.000
Key, Square 1/8 x .750
1
4
1
1
1
16
17
18
19
20
2-00-05200
8-16-07393
7-31-06072
8-18-00433
7-23-03048
Belt
Bypass Cover
Handle Grip
Decal - Wet Sweep Bypass
Washer, Frict - Spr - Shakeproof
1
1
1
1
2
HARDWARE USED:
H17
H26
H27
H35
H36
H43
H46
H48
H52
H141
H169
2-00-00205
Screw, 1/4-20 x 1.000 HHC
Nut, 1/4-20 Insert Fiber
1
3
2
1
1
4
3
4
4
1
3
2-00-00641
2-00-03702
2-00-02708
2-00-00196
2-00-00409
2-00-00644
2-00-00233
2-00-00402
2-00-00501
2-00-02637
Washer, .625 x .281 x .063
Screw, 5/16-18 x 1.000 HHM
Carriage Bolt, 5/16-18 x 1.000
Flat Washer, .687 x .344 x .062
Nut, 5/16-18, Insert Fiber
Screw, 3/8-16 x 1.000 HHC
Flat Washer, .750 x .390 x .094
Lock Washer, Int.
Screw, 1/4-20 x 2.750 HHC
C1179-2/9705
2-20
American-Lincoln
91 WS
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IMPELLER -EXPLODED VIEW
17
7
1
H169
H46
H43
10
18
H141
5
H48
H36
H52
15
3
13
9
14
H43
H17
20
H35
6
H26
H27
H46
2
8
4
12
11
19
H26
REAR COVER
APPLY NEVER - SIEZE
C1179-2/9610
16
BELT DIAGRAM
American-Lincoln
91 WS
2-21
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BATTERY - PARTS LIST
KEY NO.
PART NUMBER
DESCRIPTION
QTY
1
2
3
4
5
8-81-00175
8-81-00174
8-75-01204
0875-085
Battery Support (Welded)
Motor Support
Battery Spacer
Battery, 12 VDC
Motor, 1.3 H.P., 24 VDC
1
1
1
Ref.
1
0882-054
6
7
8
9
8-51-05014
8-60-00176
8-60-00175
8-09-01082
8-74-00010
Battery Pan
2
1
1
1
1
Pulley, Impeller Drive
Pulley, Broom Drive
Grommet
10
Solenoid, 24 VDC
11
12
13
14
15
8-06-05004
8-28-05019
0875-118
2-00-02259
2-00-04564
Isolation Post
Fuse, 70A
24 VDC Connector
Key, 3/16 x 2.000 Lg.
Clamp
3
1
Ref.
1
1
16
17
18
8-20-06043
2-95-04182
2-00-04603
Duct, Wire
Nut, Fiber 3/8-16
Clamp
1
10
1
HARDWARE USED:
H1
H5
2-00-05060
Screw, #6-32 x 1.250 RHM
Nut, Hex Fiber Insert #6-32
Nut, Hex MS #10 x .375 x .125
Nut, Hex Fiber Insert #10-24
Screw, 1/4-20 x .750 HHC
Nut, 1/4-20 Insert Fiber
Washer, .625 x .281 x .062
Flat Washer, .687 x .344 x .062
Nut, 5/16-18, Insert Fiber
Flat Washer, .750 x .390 x .094
Flat Washer, 1.063 x .531 x .094
Carriage Bolt, 5/16-18 x .750
Carriage Bolt, 5/16-18 x 1.250
Carriage Bolt, 3/8-16 x 1.000
Lock Washer, Int.
Washer, 1.063 x .031 x .063
Screw, #8-24 x .875 OHM
Screw, 5/16-24 x 1.000 HHC
Carriage Bolt, 3/8-16 x .750
1
2
2
3
2
5
3
5
13
1
2
4
1
8
1
1
3
1
2
2-00-00645
2-00-00605
2-00-01246
2-00-00221
2-00-00641
2-00-03702
2-00-00409
2-00-00644
2-00-00402
2-00-00405
2-00-03569
2-00-04681
2-00-03855
2-00-02303
2-00-01803
2-00-00153
2-00-03961
2-00-03570
H10
H12
H15
H26
H27
H43
H46
H52
H62
H90
H128
H131
H144
H149
H161
H162
H163
C1187
2-22
American-Lincoln
91 WS
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BATTERY - EXPLODED VIEW
H46
H43
H9
H11
H12
H90
H8
H2
H5
H1
H43
H46
H4
H27
H52
H27
H26
H15
H12
H90
H128
H26
H161
H46
H90
H149
H144
H62
H131
H52
H162
C1187/0009
H163
American-Lincoln
91 WS
2-23
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ENGINE - PARTS LIST
KEY NO.
PART NUMBER
DESCRIPTION
QTY
1
2
3
4
5
0877-057
8-51-05017
0775-117
8-60-00181
8-58-05278
Engine, 8 H.P.
Battery Pan
Battery, 12 Volt
Pulley
1
1
1
1
1
Plate, Engine Mounting
6
7
8
9
2-00-04589
8-56-05011
2-00-03646
2-95-04182
2-00-03761
Fitting, 3/8 NPT x 90°
Nipple, 3/8 NPT x 3.000 Lg.
Cap, 3/8 NPT
Nut, Fiber
Key, 1/4 x 2.000
1
1
1
7
1
10
11
12
13
14
15
8-16-00055
2-95-04012
8-11-00042
8-72-00011
8-08-00840
Choke Cable
Flat Washer, 1.500 x .468 x .093
Fuel Gauge
Impeller Shroud
Bracket, Engine Brace
1
1
1
1
1
16
17
18
19
8-08-00841
8-49-00026
2-00-03836
2-00-04652
Bracket, Engine Brace
Muffler, Deflector
Screw
1
1
2
1
Screw, 7/16-20 x 1.500 HHC
HARDWARE USED:
H15
H26
H33
H35
H39
H43
H46
H48
H49
H52
H62
H82
H120
H129
H131
H132
H144
H151
H313
H314
2-00-00221
Screw, 1/4-20 x .750 HHC
Nut, 1/4-20 Insert Fiber
2
3
3
1
2
4
5
2
1
2
2
2
2
1
6
1
6
1
1
2
2-00-00641
2-00-00224
2-00-02708
2-00-00218
2-00-00409
2-00-00644
2-00-00233
2-00-00209
2-00-00402
2-00-00405
2-00-00505
2-00-03829
2-00-02311
2-00-03855
2-00-00503
2-00-02303
2-00-00213
2-00-04652
2-00-03836
Screw, 5/16-18 x .500 HHC
Screw, 5/16-18 x 1.000 HHM
Screw, 5/16-18 x 2.000 HHC
Flat Washer, .687 x .344 x .062
Nut, 5/16-18, Insert Fiber
Screw, 3/8-16 x 1.000 HHC
Screw, 3/8-16 x 1.250 HHC
Flat Washer, .750 x .390 x .094
Flat Washer, 1.063 x .531 x .094
Lock Washer, 3/8 Int. Tooth
Lock Washer, 3/8 Bolt
Lock Washer, 4.38 Spit
Carriage Bolt, 3/8-16 x 1.000
Lock Washer, 1/4 Ext.
Lock Washer, Int.
Screw, 5/16-18 x .625 HHC
Screw, HHC .438-20 x 1.50
Bolt Carriage, .31-18x 1.75
C1184/9610
Service Parts
Carburator : 0869-087
Fuel Pump: 0869-086
Regulator: 2-60-02314
Air Filter: 8-24-04143
Fuel Filter: 8-24-04144
StarterAssembly: 2-60-02313
2-24
American-Lincoln
91 WS
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ENGINE - EXPLODED VIEW
3
2
13
H26
1
H15
STARTER
POST
H46
H144
H132
H26
6
17
7
9
H52
8
15
H35
10
4
14
16
12
9
H52
5
H129
H313
H120
H49
H82
H48
H46
H131
H144
H39
H62
H314
C1184/9907
H151
H120
H43
H144
H33
American-Lincoln
91 WS
2-25
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ELECTRICAL ASSEMBLY (BATTERY) - PARTS LIST
KEY NO.
PART NUMBER
DESCRIPTION
QTY
1
2
3
4
5
2-00-04345
0775-159
0875-118
0875-119
8-90-07441
Tie Raps
Diode Assembly
ConnectorAssembly, 24 VDC
ConnectorAssembly, 24 VDC
Wire, Jumper #4A
7
1
1
1
2
6
7
8
9
0895-113
Machine Harness
Wire, Jumper
Boot, Black
Wire, Solenoid to 70A Fuse
Boot, Red
1
1
3
1
1
7-90-07286
2-00-04203
8-90-07440
2-00-04952
10
11
12
2-00-04869
2-00-04868
Terminal, .31 Ring
Terminal, .25 Ring
1
1
C1189-2
2-26
American-Lincoln
91 WS
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ELECTRICAL ASSEMBLY (BATTERY) - EXPLODED VIEW
TOP
BACK WIRING VIEW
O N
O F F
M
M
A
B
G
I
S
S H A K T E E R R F I L
C B - 2
C B - 1
O F F
6
5
7
20 SEC.
TIMER
WIRE #4
3
M1
1
BOTTOM VIEW
M1 RELAY
4
RED
RED
BLK.
8
2
FROM
BATTERIES
11
BLK.
9
SOL.
1A
A
3
70 A FUSE
10
(-) MOTOR
LEAD
TO (-) POST
TO BOTTOM
70 A FUSE
ROUTE
THROUGH
CLAMP
(-) POST
2
1
12
(+) MOTOR LEAD
C1189-2/9911
RED
POWER PANEL
SHAKER
MOTOR
BLK.
American-Lincoln
91 WS
2-27
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ELECTRICAL ASSEMBLY (GAS) - PARTS LIST
KEY NO.
PART NUMBER
DESCRIPTION
QTY
1
2
3
4
5
2-00-04345
2-00-04584
2-00-04578
8-90-07435
8-90-07436
Tie Raps
7
1
1
1
1
Terminal, .156 Female Bullet
Terminal, .156 Male Bullet
Wire, Battery (-)
Wire, Starter
6
7
8
9
0895-112
Machine Harness
Wire, Jumper #4A
Boot, Black
Wire, Battery (+) to Start Solenoid
Boot, Red
1
2
3
1
1
8-90-07441
2-00-04203
8-90-07352
2-00-04952
10
C1186-2
2-28
American-Lincoln
91 WS
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ELECTRICAL ASSEMBLY (GAS) - EXPLODED VIEW
TOP
BACK WIRING VIEW
T
A R S T
O N
O F F
M
C H O K E
M
O I L L O W
G
A
B
I
S
S H A K T E E R R F I L
C B - 2
C B - 1
O F F
10
9
7
20 SEC.
TIMER
3
BATTERY
4
WIRE #4
A
M1
RED
RED
REG.
BOTTOM VIEW
M1 RELAY
GND.
STUD
STARTER
MOTOR
START
SOL.
8
RED
5
B
6
8 HP B&S
ENG.
8
2
WHT.
WIRE
SHAKER
MOTOR
BLK.
RED
C1186-2
American-Lincoln
91 WS
2-29
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CONTROL PANEL (BATTERY) - PARTS LIST
KEY NO.
PART NUMBER
DESCRIPTION
QTY
1
2
3
4
5
8-33-05126
8-64-00015
8-64-00007
8-64-00012
2-00-04757
Control Housing
Shaker Timer Motor
Circuit Breaker
Relay, Shaker Motor
Plug Button, .375
1
1
2
1
1
6
7
8
9
2-00-05296
8-48-05023
8-82-00057
8-11-00044
8-48-05030
Plug Button, .620
Hour Meter
Key Switch
Boot (CB)
Battery Condition Meter
1
1
1
2
1
10
11
12
7-13-07069
8-82-00059
Adjustable Clamp
Switch, Rocker
1
1
HARDWARE USED:
H9
2-00-00426
Flat Washer, .500 x .219 x .063
Nut, Hex Fiber Insert #10-24
Screw, 1/4-20 x .750 HHC
Nut, 1/4-20 Insert Fiber
Screw, 5/16-18 x .750 HHC
Flat Washer, .687 x .344 x .062
Nut, 5/16-18, Insert Fiber
2
2
2
2
4
4
4
2
H12
H15
H26
H34
H43
H46
H103
2-00-01246
2-00-00221
2-00-00641
2-00-00208
2-00-00409
2-00-00644
2-00-00089
Screw, 10-24 x 1.500 RHM
C1180/9604
2-30
American-Lincoln
91 WS
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CONTROL PANEL (BATTERY) - EXPLODED VIEW
H34
H43
H12
H9
H46
H103
H15
H26
C1180/9604
American-Lincoln
91 WS
2-31
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CONTROL PANEL (GAS) - PARTS LIST
KEY NO.
PART NUMBER
DESCRIPTION
QTY
1
2
3
4
5
8-33-05126
8-64-00015
8-64-00007
8-82-00060
7-74-00002
Control Housing
Shaker Timer Module
Circuit Breaker
Switch, Starter
Solenoid (12 Volt)
1
1
2
1
1
6
7
8
9
8-64-00012
8-48-05023
8-82-00057
8-11-00044
8-48-00016
Relay, Shaker Motor
Hour Meter
Key Switch
Boot (CB)
Voltage Meter
1
1
1
2
1
10
11
8-82-00059
Switch, Rocker
1
HARDWARE USED:
H9
2-00-00426
Flat Washer, .500 x .219 x .063
Nut, Hex Fiber Insert #10-24
Screw, 1/4-20 x .750 HHC
Nut, 1/4-20 Insert Fiber
Flat Washer, .625 x .281 x .063
Screw, 5/16-18 x .750 HHC
Flat Washer, .687 x .344 x .062
Nut, 5/16-18, Insert Fiber
Screw, 10-24 x 1.500 RHM
Lock Washer, Int.
2
2
2
2
2
4
4
4
2
2
2
H12
H15
H26
H27
H34
H43
H46
H103
H141
H144
2-00-01246
2-00-00221
2-00-00641
2-00-03702
2-00-00208
2-00-00409
2-00-00644
2-00-00089
2-00-00501
2-00-02303
Lock Washer, Int.
C1181
2-32
American-Lincoln
91 WS
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CONTROL PANEL (GAS) - EXPLODED VIEW
H34
H43
H144
H46
H12
H9
H103
H26
H27
H15
C1181
American-Lincoln
91 WS
2-33
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DECALS - PARTS LIST
KEY NO.
PART NUMBER
DESCRIPTION
QTY
1
2
3
4*
5
8-18-00509
8-18-00488
8-18-00489
REF
Instrument Panel
Main Broom Pressure
Vacuum Bypass
Battery Charging Warning (Battery only)
Blank Square - Option Covers
1
1
1
1
1
8-18-00487
6*
7*
8*
9*
REF
REF
REF
REF
REF
Do Not Remove Hopper w/o Help
Do Not Use with Flammables
Electrical Hazard (Battery Only)
Exhaust Warning (Gas, LP)
1
1
1
1
1
10*
Fire Hazard-Gas Could Explode (Gas)
11<
12
13<
14*
15<
16<
REF
Gasoline Only (Gas)
1
1
1
1
3
1
Patent/Patents Pending
Surface Hot - Stay Clear (Gas, LP)
Turn Off - Lock Wheel
Pinch Point - Stay Clear
Moving Belts - Stay Clear
REF
REF
REF
REF
U.S. BRANDING:
17
18
19
20
8-18-00530
91WS
Alto (Medium)
American-Lincoln (Medium)
American-Lincoln (Small)
1
1
1
2
8-18-00527
8-18-00525
8-18-00524
EXPORT BRANDING:
17
18
19
20
8-18-00530
91WS
1
1
1
2
8-18-00549
8-18-00528
8-18-00549
American-Lincoln Technology (Small)
Alto (Large)
American-Lincoln Technology (Small)
21
22
REF
2-00-04115
Serial Plate
Rivets
1
2
*ALL WARNING/SAFETY DECALS WITH TEXT SOLD IN A KIT BY LANGUAGE:
ENGLISH
DANISH
DUTCH
NORWEGIAN 0760-852
SWEDISH 0760-853
0760-855
0760-850
0760-849
GERMAN
ITALIAN
FRENCH
SPANISH
PORTUGUESE
0760-848
0760-851
0760-847
0760-846
0760-854
<WARNING/SAFETY DECALS KIT WITHOUT TEXT FOR YOUR 91WS: 0760-863
C1183-2/1003
2-34
American-Lincoln
91 WS
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DECALS - EXPLODED VIEW
15
10
21
22
13
11
15
6
16
8
4
5
1
14
7
12
9
C1183-2/1003
20
17
2
3
17
20
19
18
American-Lincoln
91 WS
2-35
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NOTES
2-36
American-Lincoln
91 WS
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DECALS (GAS) - EXPLODED VIEW
WARNING
MAIN
BROOM
FLOAT
UNEXPECTED MOVEMENT COULD RESULT IN
PERSONAL INJURY OR PROPERTY DAMAGE.
TURN KEY SWITCH TO "OFF" AND PARK
MACHINE ON LEVEL SURFACE BEFORE
LEAVING OPERATOR'S POSITION
CHOKE
OFF
START
ON
SWEEP
UP
FILTER SHAKER
OFF
CB-1 CB-2
5
2
4
3
13
16
14
WARNING
Engine exhaust contains Carbon
Monoxide gas, An odorless poison that
could cause injury or death if breathed.
+
To prevent breathing Carbon Monoxide;
-Provide adequate ventilation.
-Do not operate in an enclosed area.
-Keep engine properly tuned.
MAIN BROOM
PRESSURE
WARNING
TO PREVENT SERIOUS
INJURY STAY CLEAR OF
MOVING PARTS
LIGHT
HEAVY
1
B R O O M
M A I N
R
F L O A
A
L
O
O
I N
S W E E P
O
12
W
A
T
M
E
E
U P
P
P
B A
A
T T E R
T E
11
R
Y
C
C O N D I T I O N
C H E C K
O
N
D
I T I O
W H I L E
H I L E
N
-
O P E R A
+
T I N G
15
C B - 1
O F F
C B - 2
F
B
F
- 2
O N
F I L
N
T E R
E
R
S H A K E R
K
E R
O F F
F F
A
A
9
F
E
WARNING
ENGINE COULD CAUSE
SEVERE BURNS, ST
A
Y
CLEAR OF HOT ENGINE
COMPONNENTS.
R
E
.
T
P
P
O
L
P
N
E
O
N
H
H
O
T
P
D
,
U
M
O
O
U
I
IN
H
D
A
T
I
R
O
T
T
W
T
S
R
R
U
K
E
E
C
P
V
A
P
E
A
B
O
L
T
H
E
C
S
N
E
E
V
U
V
O
S
E
M
Y
R
E
P
R
W
A
L
A
B
WA
EVEN
RN
ING
SER
IOUS
TO PR
Y
T
INJUR
ST
A
Y
CLEA
OF
MOVIN
G
R
P
AR
TS
B
C1183-1/9604
1
American-Lincoln Technology
91 WS
2-37
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NOTES
2-38
American-Lincoln Technology
91 WS
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TABLE OF CONTENTS - CHAPTER 3
Left Hand Side Broom Option ................................................................................................... 3-2
LP Option .................................................................................................................................. 3-4
Foam-Filled Tire Option ............................................................................................................. 3-6
Wet Sweep Bypass Option ....................................................................................................... 3-7
Spare Parts Kits ........................................................................................................................ 3-8
Main Broom Options ................................................................................................................. 3-9
Schematic & Connection Diagram (Battery) ............................................................................. 3-10
Schematic & Connection Diagram (Gas) ................................................................................. 3-11
Index ...................................................................................................................................... 3-12
Warranty.................................................................................................................................... 3-15
American-Lincoln
91 WS
3-1
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LEFT HAND SIDE BROOM OPTION - PARTS LIST
OPTION 0880-625
KEY NO.
PART NUMBER
DESCRIPTION
QTY
1
2
3
4
5
8-03-04313
0885-087
8-08-03215
8-25-06006
8-60-00184
Side BroomArm (Welded)
Gear Box Assembly
Side Broom
Flange
Pulley, Gear Box
1
1
1
1
1
6
7
8
9
7-76-00051
8-08-00806
7-76-00003
8-08-00809
8-08-00807
Spring
1
1
1
1
1
Bracket, Side Broom (Outer)
Spring
Retainer, Side Broom Link
Bracket, Side Broom (Inner)
10
11
12
13
14
15
8-81-00177
8-58-05277
8-66-00176
2-95-04182
8-55-08126
Support, Gear Box Mounting
Plate, Side Broom Arm
Rod, Side Broom Link
Nut, Fiber
1
1
1
2
1
Pin, Safety Snap
16
17
18
19
20
2-00-02240
7-09-01057
Key, 3/16 Square, x .750 Lg.
Bushing
1
1
2-00-05289
8-08-00811
Belt
1
1
Bracket (Gas & LP Only)
21
22
23
24
25
8-60-00180
2-00-02227
Pulley
1
2
Key, 1/8 Square x .750 Lg.
8-70-05297
2-00-05200
Shaft
Belt
1
1
26
27
28
8-06-01070
8-60-00179
8-60-00185
Bearing
Pulley
Pulley
2
1
1
HARDWARE USED:
H16
H26
H27
H36
H39
H43
H46
H86
H128
H131
H135
2-00-02051
Screw, 1/4-20 x .750 HSHC
Nut, 1/4-20 Insert Fiber
4
12
3
2
2
2
5
7
1
2
5
2-00-00641
2-00-03702
2-00-00196
2-00-00218
2-00-00409
2-00-00644
2-00-03575
2-00-04681
2-00-03855
2-00-05298
Washer, .625 x .281 x .063
Carriage Bolt, 5/16-18 x 1.000
Screw, 5/16-18 x 2.000 HHC
Flat Washer, .687 x .344 x .062
Nut, 5/16-18, Insert Fiber
Carriage Bolt, 1/4-20 x .750
Carriage Bolt, 5/16-18 x 1.250
Carriage Bolt, 3/8-16 x 1.000
Flat Washer, .344 x 2.000 x .062
C0624
C1194
3-2
American-Lincoln
91 WS
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LEFT HAND SIDE BROOM OPTION - EXPLODED VIEW
H86
H46
H26
H135
H43
H86
H26
H16
H26
H86
H46
H26
H46
H135
H131
H39
H128
H27
H26
H39
H135
C0624
American-Lincoln
91 WS
3-3
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LP OPTION - PARTS LIST
KEY NO.
PART NUMBER
DESCRIPTION
QTY
1
2
3
4
5
2-60-02296
Hydrostatic Relief Valve
Rubber Cap, 1/2" I.D.
Fitting, 1/4 NPT x 3/8 SAE 90°
Fitting, 1/4 NPT FM x 3/8 SAE STR
Hose, Liquid Gas, Aux.
1
1
1
1
1
*
*
*
*
6
7
8
*
Hose, Dry Gas, 22.00
Vacuum Shut Off
Regulator, LP Gas
1
1
1
2-60-02297
2-60-02298
9
10
11
12
13
14
15
*
*
*
*
*
Fitting, 1/8 NPT x 7/32 x 90°
Fitting, 1/4 NPT x 1/2 x 90°
Clamp, 7/32 - 5/8
Load Block
BulkheadAssembly
1
1
2
1
1
16
17
18
19
20
*
Fitting, 1/4 NPT x 3/8 SAE STR
1
*
*
*
Fuel Tube
Hose, 7/32, 22.00
Coupling
1
1
1
21
22
23
24
25
2-60-02299
0869-088
Hose, Main Liquid Gas, 9.00
Carburetor, LP
1
1
26
27
28
8-08-00585
2-00-00498
2-00-03546
Bracket, LP Relief Valve
Washer, Lock - External - 1/4 I.D.
Nut, 1/4-20 Hex
1
2
2
HARDWARE USED:
H15
H132
2-00-00221
2-00-00503
Screw, 1/4-20 x .750 HHC
Washer, Lock 1/4 I.D. Internal
4
2
* Items contained in part # 8-11-04025 LP Kit.
C0625/9610
3-4
American-Lincoln
91 WS
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LP OPTION - EXPLODED VIEW
H150
2
1
15
26
16
3
28
27
21
TO L/P TANK
CONNECTOR
L/P TANK SUPPORT
5
20
4
H150
H132
8
19
TO FUEL
PUMP
EXISTING
ADAPTOR
7
22
REMOVE
EXISTING
C0625/9610
11
CARBURETOR
AND REPLACE
WITH #22
12
18
14
13
13
6
American-Lincoln
91 WS
3-5
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FOAM FILLED TIRE OPTION
1
2
3
4
C0626
5
6
OPTION 0880-626
DESCRIPTION
KEY NO.
PART NUMBER
QTY
1
2
3
4
5
6
0860-581
Wheel Assembly, Foam Filled
Spacer, Wheel
Bearing
Washer
Lock Washer, 3/8 Int. Tooth
Screw, 3/8-16 x 1.00 HHC
2
REF
2
2
4
4
8-75-01202
2-00-04636
2-00-03266
2-00-00505
2-00-00233
Foam-filled Tire Assy. (hub not included): 8-89-08075
Pneumatic TireAssy. (hub not included): 8-89-08073
Wheel Hub: 8-33-09092
Wheel Sproket: 8-76-05069
C0626/0903
3-6
American-Lincoln
91 WS
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WET SWEEP BYPASS OPTION
H169
H170
C1168/9510
KEY NO.
PART NUMBER
DESCRIPTION
QTY
1
2
3
4
5
8-16-07380
8-57-05026
8-57-05027
8-58-05790
7-13-07104
Cover, Impeller (Welded)
Pivot, Valve
Pivot, Valve (Threaded)
Plate, Valve
1
1
1
1
1
Clamp, Hose
6
7
8
9
8-16-00060
8-16-07358
8-16-00061
8-18-00429
2-00-00491
Control, Damper
Cover, Rear
Control, Damper Handle
Decal
1
1
1
1
1
10
Grommet
HARDWARE USED:
H169
H170
2-00-02637
2-00-03061
Screw, 1/4-20 x 2.750 HHC
Screw, #10-24 x .500 THM
3
2
C1168/9510
American-Lincoln
91 WS
3-7
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SPARE PARTS KITS
0880-640 (BATTERYMACHINE)
DESCRIPTION
KEY NO.
PART NUMBER
QTY.
1
2
3
4
5
6
7
8
8-25-08205
8-25-08204
8-25-08206
8-25-08207
8-25-08208
8-68-05085
8-68-05084
8-68-05073
8-29-00231
8-24-04074-1
2-00-05284
2-00-05285
2-00-05314
2-00-01036
2-00-05200
2-00-05286
Flap, Door
Flap, Rear Outside
Flap, R.H. Side
Flap, L.H. Wheel Well
Flap, Hopper
Seal, Broom Door
Seal, Broom Door
Seal, Hopper
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
9
Seal, Hopper
Filter, Hopper
10
11
12
13
14
15
16
Belt, Forward (3/4)
Belt, Reverse (1/2)
V-Belt, Main Broom Drive
V-Belt, Main Broom Drive
V-Belt, Impellor Drive
V-Belt, Side Broom Drive
0880-641 (GAS/LP MACHINES)
DESCRIPTION
KEY NO.
PART NUMBER
QTY.
1
2
3
4
5
6
7
8
8-25-08205
8-25-08204
8-25-08206
8-25-08207
8-25-08208
8-68-05085
8-68-05084
8-68-05073
8-29-00231
8-24-04074-1
2-00-05284
2-00-05285
2-00-05314
2-00-01036
2-00-05200
2-00-05286
8-24-04143
8-24-04144
Flap, Door
Flap, Rear Outside
Flap, R.H. Side
Flap, L.H. Wheel Well
Flap, Hopper
Seal, Broom Door
Seal, Broom Door
Seal, Hopper
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
9
Seal, Hopper
Filter, Hopper
10
11
12
13
14
15
16
17
18
Belt, Forward (3/4)
Belt, Reverse (1/2)
V-Belt, Main Broom Drive
V-Belt, Main Broom Drive
V-Belt, Impellor Drive
V-Belt, Side Broom Drive
Air Cleaner Element
Fuel Filter
3-8
American-Lincoln
91 WS
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MAIN BROOM OPTIONS
KEY NO.
PART NUMBER
DESCRIPTION
QTY.
1
2
3
4
8-08-03222
8-08-03216
8-08-03230
8-08-03223
Nylon
1
1
1
1
Proex (Standard)
Proex & Wire
High Density Nylonl
American-Lincoln
91 WS
3-9
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SCHEMATIC & CONNECTION DRAWING - BATTERY
24 VOLT
CC
BATTERY BANK
CC
7,7A
3
CB-2
10 AMP
12 VOLT
SHAKER MOTOR
3C
3B
3A
87
7
MTR.
3
30
M1
FU-1
DRIVE
MTR.
1A
70 AMP.
A
1
SHAKER MOTOR
RELAY
PM
3B
3C
SHAKER
SWITCH
#3
#1
4B,4D
4A
20 SEC.
TIMER
7D,7E
4A
86
M1
#4
85
TLH1 33X 2159
#2
7E
(I)
(G)
7C,7D
7C,7D
4D,4E
CM
CB-1
10 AMP
ON
4E
7A,7B
7B,7C
4C
2
A
1A
B
1
4B,4C
M
HM
M
OFF
KEY SW.
TOP
BACK WIRING VIEW
4B
4C
O N
O F F
7C
7B
M
M
A
B
G
7C
I
S
7D
4D
4E
1
2
4E
S H A K T E E R R F I L
C B - 2
C B - 1
3B
O F F
3
2
4A
4A
3
7E
7D
3A
3C
4A
4A
M1
BOTTOM VIEW
M1 RELAY
4B
3B
3C
7E
4D
20 SEC.
TIMER
SOLENOID 1A
7B
7A
RED
4C
RED
BLK.
FROM
BATTERIES
(-) MOTOR
LEAD
A
BLK.
70 A FUSE
C1188
1
7
3A
(-) POST
TO (-) POST
TO BOTTOM
70 A FUSE
(+) MOTOR LEAD
7
SHAKER
MOTOR
7A
BLK.
RED
POWER PANEL
3-10
American-Lincoln
91 WS
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SCHEMATIC & CONNECTION DRAWING - GAS
12V BATTERY
A
M1
12 VOLT
SHAKER MOTOR
1A
3A
STARTER
3
7
MTR.
MTR.
30
87
S
CB-1
10 AMP.
SOLENOID
STARTER MOTOR
B
1
START
STARTER
BUTTON
SOLENOID
RED
ON
CB-2
10 AMP.
S
RED
A
5A,5B
(I)
7B,7C
7D,7E
VM
B
(G)
5,5A
2,2A
1,1A
5
HM
BLK.
2A,2B
10 AMP
CHARGE
COIL
REG.
M
7C,7D
6
IGNITION
COIL
M
SPARK
PLUG
RED
2
YEL
(B+)
OFF
KEY SW.
YEL
(B-)
WHT
BLK.
6
OIL ALERT LIGHT SW.(STD.)
THROTTLE
KILL SW.
(STD.)
LOW OIL ALERT LIGHT
SHUT DOWN
OPTION
ON
WHT
CONNECT HERE
FOR OPTION
OFF
3
L
2
BLK.
RED
5B
RED
WHT
RED
BLK.
WHT
OIL LEVEL
SWITCH
DISCONNECT LOW OIL ALERT LIGHT SWITCH,
CONNECT WHT. TO WHT. & RED TO RED,USE
ONE 8-11-00015 TO CAP BLK. WIRE
OPTIONAL
SHAKER
SWITCH
TLH1-33X-2159
#1
#4
4
7A
4
5B
M1
20 SEC.
TIMER
85
86
SHAKER MTR.
RELAY
7A,7B
7,7E
7A,7B
2B
#3
#2
TOP
BACK WIRING VIEW
5
7C
T
A R S T
O N
O F F
7D
7D
7E
C H O K E
M
O I L L O W
G
M
A
B
7B
6
I
S
7C
5A
5B
2
5A
5
2A
2A
2B
3
S H A K T E E R R F I L
C B - 2
C B - 1
O F F
4A
4A
1
1A
1A
7A
3A
3
BATTERY
4A
A
4A
M1
7A
RED
RED
2
REG.
BOTTOM VIEW
M1 RELAY
GND.
5B
STARTER
MOTOR
2B
STUD
7B
7
20 SEC.
TIMER
7E
1
RED
START
SOL.
B
8 HP B&S
ENG.
C1185
WHT.
WIRE
3A
7
6
SHAKER
BLK.
RED
MOTOR
American-Lincoln
91 WS
3-11
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INDEX
BATTERY .................................................................................................................................. 1-27
BATTERY .................................................................................................................................. 2-22
BATTERY CHARGING INSTRUCTIONS...................................................................................1-17
BATTERY CONDITION METER (BATTERY ONLY).................................................................. 1-9
BATTERY MACHINE OPERATION ...........................................................................................1-14
BATTERY POWERED MACHINES .......................................................................................... 1-6
BATTERY POWERED SWEEPER, TO START THE .............................................................. 1-15
BATTERY VOLT METER (GAS/LP ONLY)................................................................................ 1-10
BOLT IDENTIFICATION............................................................................................................. 1-37
CHANGING LPTANKS ..............................................................................................................1-34
CHOKE CONTROL (GAS/LP ONLY) ........................................................................................ 1-10
CIRCUIT BREAKERS ............................................................................................................... 1-13
CONTROL PANEL .................................................................................................................... 2-30
COVERS...................................................................................................................................2-4
DECALS.................................................................................................................................... 2-36
DECIMALMETRIC & CONVERSION TABLE ............................................................................ 1-36
DRIVE SYSTEM ........................................................................................................................ 1-29
DUST CONTROL ..................................................................................................................... 1-26
ELECTRICALASSEMBLY (BATTERY) ..................................................................................... 2-28
ELECTRICALASSEMBLY (GAS) .............................................................................................. 2-30
ENGINE ..................................................................................................................................... 2-24
ENGINEAIR INTAKE .................................................................................................................1-28
ENGINE OIL LEVEL, TO CHECK THE ..................................................................................... 1-29
ENGINE WITH THE REWIND STARTER, TO START THE ..................................................... 1-16
FILTER BAFFLE, TO CLEAN THE............................................................................................ 1-26
FILTER MANIFOLD LATCH .......................................................................................................1-12
FILTER SHAKER ...................................................................................................................... 2-18
FILTER SHAKER SWITCH ....................................................................................................... 1-10
FLAPS ...................................................................................................................................... 1-27
FOAM-FILLED TIRE OPTION ................................................................................................... 3-8
FORWARD/REVERSE CONTROL HANDLE ........................................................................... 1-12
FRAME ...................................................................................................................................... 2-2
FUEL FILTER ............................................................................................................................1-28
FUEL TANK, TO FILL THE GASOLINE POWERED MACHINE ................................................1-18
GAS POWERED SWEEPER, TO START THE .......................................................................1-15
GAS/LP MACHINE OPERATION ...............................................................................................1-14
GAS/LP POWERED MACHINES .............................................................................................. 1-5
GASOLINE POWERED MACHINE FUELING INSTRUCTIONS................................................1-18
HARDWARE LEGEND.............................................................................................................. 1-39
HOPPER...................................................................................................................................1-27
HOPPER...................................................................................................................................2-16
HOPPER DUMP HANDLE ........................................................................................................ 1-12
HOPPER SEALS, TO CHECK THE ......................................................................................... 1-27
HOPPER, TO CLEAN THE.......................................................................................................1-27
3-12
American-Lincoln
91 WS
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INDEX
HOPPER, TO EMPTY............................................................................................................... 1-16
HOUR METER .......................................................................................................................... 1-9
HOW TO SWEEP .................................................................................................................... 1-22
IMPELLER................................................................................................................................. 2-20
INDEX ...................................................................................................................................... 3-14
KEY SWITCH............................................................................................................................ 1-9
LEFT HAND SIDE BROOM OPTION........................................................................................ 3-2
LEGENDS - SCREW/SETSCREWS ....................................................................................... 1-38
LOW OIL LIGHT (GAS/LP ONLY).............................................................................................. 1-10
LOW OIL SHUTDOWN OPTION .............................................................................................. 2-26
LOWER WHEEL DRIVE ........................................................................................................... 2-8
LP CHECKLIST......................................................................................................................... 1-33
LP FUEL TANKS ....................................................................................................................... 1-33
LP GAS SYSTEM ...................................................................................................................... 1-32
LP LIQUID WITHDRAWALSYSTEM .........................................................................................1-32
LP OPTION ............................................................................................................................... 3-6
LP POWERED FUELING INSTRUCTIONS .............................................................................. 1-18
LP POWERED SWEEPER, TO START THE .........................................................................1-15
LP SAFETY PRECAUTIONS .................................................................................................... 1-31
LPTANK, TO BEGIN CHANGING THE .....................................................................................1-34
LP TANKS, TO CHANGE THE ..................................................................................................1-19
MACHINE CONTROLS ............................................................................................................. 1-9
MACHINE FOR TRANSPORT, TO DRIVE THE........................................................................1-16
MACHINE PREPARATION ........................................................................................................ 1-5
MACHINE SPECIFICATIONS .................................................................................................... 1-3
MACHINE STORAGE - BATTERY POWERED MACHINES..................................................... 1-19
MACHINE STORAGE - GASOLINE POWERED MACHINES ................................................... 1-19
MAIN BROOM ........................................................................................................................... 1-23
MAIN BROOM ........................................................................................................................... 2-10
MAIN BROOMADJUSTMENT ................................................................................................... 1-11
MAIN BROOMARMS ................................................................................................................ 2-12
MAIN BROOM LEVER............................................................................................................... 1-1
MAIN BROOM OPTIONS .......................................................................................................... 3-9
MAIN BROOM SWEEP HEIGHT, TO ADJUST THE..................................................................1-23
MAIN BROOM SWEEP PATTERN, TO CHECK THE...............................................................1-23
MAIN BROOM, TO REPLACE THE .......................................................................................... 1-24
MOTIVE POWERED BATTERIES (BATTERY ONLY), TO CHARGE THE .............................. 1-18
NEUTRALSETTING, TOADJUST............................................................................................. 1-29
OPERATING INSTRUCTIONS ..................................................................................................1-14
ORDERING PARTS .................................................................................................................. 1-42
PANEL FILTER, TO CHANGE THE ...........................................................................................1-26
PANEL FILTER, TO CLEAN THE .............................................................................................. 1-26
POST OPERATION CHECKLIST ............................................................................................. 1-17
PRE-START CHECKLIST......................................................................................................... 1-15
American-Lincoln
91 WS
3-13
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INDEX
REPLACING THE FORWARD DRIVE BELT ............................................................................ 1-29
REPLACING THE REVERSE BELT .........................................................................................1-30
REWIND STARTER.................................................................................................................. 1-13
RIGHT HAND SIDE BROOM .................................................................................................... 2-14
SAFETY PRECAUTIONS.......................................................................................................... 1-7
SCHEMATIC & CONNECTION DIAGRAMS (BATTERY) .......................................................... 3-10
SCHEMATIC & CONNECTION DIAGRAMS (GAS) ...................................................................3-11
SERVICE CHART ..................................................................................................................... 1-20
SERVICE INSTRUCTIONS .......................................................................................................1-23
SIDE BROOM ........................................................................................................................... 1-25
SIDE BROOM LIFT HANDLE.................................................................................................... 1-11
SIDE BROOM SWEEP HEIGHT, TO ADJUST THE ................................................................. 1-25
SIDE BROOM SWEEP PATTERN, TO CHECK THE .............................................................. 1-25
SIDE BROOMS, TO CHANGE THE .........................................................................................1-26
SIDE FLAPS, TO ADJUST THE................................................................................................1-27
SPARE PARTS KITS ................................................................................................................ 3-8
MAIN BROOM OPTIONS .......................................................................................................... 3-9
STANDARD HARDWARE & TORQUE VALUES ...................................................................... 1-35
START BUTTON (GAS/LP ONLY) ............................................................................................ 1-10
STORAGE OF LP TANKS ........................................................................................................1-34
SWEEPING GUIDELINES.........................................................................................................1-22
SWEEPING VARIOUS TYPES OF DEBRIS ............................................................................. 1-22
TABLE OF CONTENTS - CHAPTER 2..................................................................................... 2-1
TABLE OF CONTENTS - CHAPTER 3..................................................................................... 3-1
TO STOP SWEEPER .............................................................................................................. 1-16
TO SWEEP WITH MACHINE.................................................................................................... 1-16
USE AND CARE OF LP TANKS................................................................................................1-34
WARRANTY .............................................................................................................................. 3-15
WET SWEEP BYPASS OPTION.............................................................................................. 3-7
WHEEL DRIVE.......................................................................................................................... 2-6
3-14
American-Lincoln
91 WS
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AMERICAN-LINCOLN
91WS WALK BEHIND MACHINE
“BUMPER-TO-BUMPER” LIMITED WARRANTY
I. COVERAGE
A. Subject to the terms and limitations stated herein, American-Lincoln warrants, to the original purchaser only, to repair or replace, at
its option and upon the terms set out below, this product or any parts thereof (excluding normal maintenance items) which are defective
in materials or workmanship, for a period of (1) one years or 1,000 hours of normal operation from the date of purchase, whichever
comes first, but not to exceed (2) two years from the date of factory shipment, provided that the product is operated and maintained in
accordance with American-Lincoln’s Maintenance and Operations Instruction.
1. (a) During the first thirty (30) days from the date of purchase, American-Lincoln will provide, without charge, parts and on-site labor
(including up to three(3) hours total round-trip travel time) to remedy a defective product or part.
(b) During the next six (6) months or 500 hours (whichever comes first) American-Lincoln will provide, without charge, parts to
remedy a defective product or part; however, all labor, travel time for on-site remedy and all shipping and freight charges for off-site
remedy of the product or parts thereof shall be the sole responsibility of the purchaser.
B. In addition to the terms above (except as to the one year period), any original equipment American-Lincoln Battery which becomes
unserviceable under normal use within a period of ninety (90) days from date of sale to the original user will be repaired or replaced with
one of equal specifications at our option, F.O.B. any authorized American-Lincoln Sales or service branch, with no charge to the user,
except transportation costs. After expiration of the above ninety (90) day period, any battery which fails under normal use will be
adjusted to the original user with a new battery of equal specifications on an eighteen (18) months pro rate basis from the date of
purchase. Adjustment will be determined using the then current list price, plus transportation costs. Warranty is rendered NULL and Void
if battery is not kept filled to the proper level with DISTILLED WATER.
C. In addition to the above, if applicable, American-Lincoln, warrants to the original purchaser only, to repair or replace, at its option and
upon the terms set out below, the main frame, debris hopper, solution tank, and the recovery tank, for eight (8) years against failure
caused by defects in workmanship or total rust through. For purposes of this coverage, cosmetic deterioration or surface rust does not
constitute a failure.
II. EXCLUSIONS
This warranty does not cover normal maintenance parts and labor, including but not limited to, rubber parts, seals, flaps, brushes, engine
maintenance parts, hoses, carbon motor brushes, fluids and routine adjustments. This warranty does not cover damage or failure of the
product or any parts thereof which is the result of misuse, negligent operation, handling or repair, or which is the result of modification
by any person other than an authorized American-Lincoln service representative.
III. LIMITATIONS
AMERICAN-LINCOLN MAKES NO WARRANTIES OTHERTHANTHOSE SPECIFIED HEREIN.ALLIMPLIED WARRANTIES OF MERCHANT-
ABILITYAND OF FITNESS FORAPARTICULAR PURPOSEARE EXPRESSLY EXCLUDED.AMERICAN-LINCOLN LIABILITYUNDER THIS
WARRANTYIS LIMITEDTO REPAIRAND/OR REPLACEMENTOF PRODUCTS OR PARTSAS SETOUTHEREIN.AMERICAN-LINCOLN SHALL
NOTBE LIABLE FORANY INCIDENTALOF CONSEQUENTIALDAMAGES WHICH MAY RESULT FROMAPRODUCTOR PART DEFECTOR
FAILURE.ANYEXTENSIONS OF OR MODIFICATIONS MADETOTHIS WARRANTYBYADISTRIBUTOR OFAMERICAN-LINCOLNARETHE
SOLE RESPONSIBILITY OF THE DISTRIBUTOR.
IV. PROCEDURESAND CONDITIONS FOR WARRANTYCLAIMS
AMERICAN-LINCOLN SHALLNOT BE LIABLE FOR REPAIR OR REPLACEMENT OFANY DEFECTIVE PRODUCT OR PART THEREOF
UNLESSAND UNTILTHE ORIGINALPURCHASER FULFILLS THE FOLLOWING CONDITIONS PRECEDENTTO RECOVERY UNDERTHIS
WARRANTY:
1. The original purchaser shall promptly complete and return the warranty and installation registration form included with the product
at the time of the purchase.
2. Upon product or part failure, the original purchaser shall promptly provide notice thereof to his nearest authorized American-Lincoln
Service Representative; and
3. The original purchaser shall permit the product or part to be inspected by American-Lincoln or its authorized representatives, as
necessary and expenses for shipping or travel time shall be borne by the parties itemized in paragraph I herein above.
American-Lincoln Technology reserves the right to make changes and improvements to its machines without notice. For best results,
use only the correct American-Lincoln Service parts.
AMERICAN-LINCOLN
1100 HASKINS ROAD
BOWLING GREEN, OHIO 43402
American-Lincoln
91 WS
3-15
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