OPERATION AND PARTS MANUAL
SERIES
MODEL MT-84F
TAMPING RAMMER
(ROBIN GASOLINE ENGINE)
Revision #2 (06/30/05)
To find the latest revision of this
publication, visit our website at:
THIS MANUAL MUST ACCOMPANYTHE EQUIPMENT AT ALLTIMES.
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NOTE PAGE
MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05) — PAGE 3
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MT-84F —TABLE OF CONTENTS
ROBIN EH-12-2D46051
ENGINE
Multiquip Tamping Rammer
MT-84F
Crankcase and Cylinder Assembly .................... 34-35
Crankshaft and Piston Assembly ....................... 36-37
Muffler, Air Cleaner, Camshaft,& Carb.Assy. ..... 38-39
Governor Assembly ........................................... 40-41
Recoil Starter and Blower Assembly ................. 42-43
Magneto Assembly ............................................ 44-45
Carburetor Assembly ......................................... 46-47
Proposition 65 Warning ............................................. 2
Here's How To Get Help ............................................ 4
Table Of Contents ..................................................... 5
Parts Ordering Procedures ....................................... 5
Safety Message Alert Symbols .............................. 6-7
Rules For safe Operation ...................................... 8-9
Operation and Safety Decals .............................10-11
General Information ................................................ 12
Specifications .......................................................... 13
Controls and Components ...................................... 14
Basic Engine ........................................................... 15
Operation ...........................................................16-18
Maintenance ........................................................... 19
Troubleshooting Guide .......................................20-21
Explanation Of Codes In Remarks Column ............ 23
Suggested Spare Parts ........................................... 23
Nameplate and Decals.......................................24-25
Crankcase and Engine Assembly ......................26-29
Guide Cylinder and Foot Assembly ...................30-31
Tank and Handle Assembly ...............................32-33
Terms and Conditions of Sale ................................. 48
Specification and part number
are subject to change without
notice.
NOTE
PAGE 4 — MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05)
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MT-84F — PARTS ORDERING PROCEDURES
When ordering parts,
please supply the following information:
❒
❒
❒
❒
❒
❒
❒
Dealeraccountnumber
Dealernameandaddress
Shipping address (if different than billing address)
Returnfaxnumber
Applicable model number
Quantity,part number and description of each part
Specifypreferredmethodofshipment:
✓
✓
✓
✓
✓
✓
FedEx or UPS Ground
FedEx or UPS Second Day or Third Day
FedEx or UPS Next Day
Federal Express Priority One
DHL
Note:Unlessotherwiseindicatedbycustomer, all
orders are treated as “Standard Orders”, and will
ship within 24 hours.We will make every effort to ship
“Air Shipments” the same day that the order is
received, if prior to 2PM west coast time. “Stock
Orders” must be so noted on fax or web forms.
Truck
Place Your Parts Order Via Web or Fax
For Even More Savings!
Here’s how to get help...
Please have the model and serial number
on hand when calling.
(Domestic USA Dealers Only)
MULTIQUIP CORPORATE OFFICE
18910 Wilmington Ave.
Carson, CA 90746
Email: [email protected]
800-421-1244
FAX: 310-537-3927
Extra Discounts!
All parts orders which include complete part numbers and
are received by our automated web parts order system, or
by fax qualify for the following extra discounts:
Ordered
via
Standard
orders
Stock orders
PARTS DEPARTMENT
800-427-1244
310-537-3700
MAYCO PARTS
800-306-2926
310-537-3700
SERVICE DEPARTMENT
800-421-1244
310-537-3700
TECHNICAL ASSISTANCE
800-478-1244
WARRANTY DEPARTMENT
800-421-1244, EXT. 279
310-537-3700, EXT. 279
($750 list and above)
FAX: 800-672-7877
FAX: 310-637-3284
Fax
3%
5%
10%
10%
Web
FAX: 800-672-7877
FAX: 310-637-3284
Special freight allowances
when you order 10 or more
line items via Web or Fax!**
FedEx Ground Service at no charge for freight
No other allowances on freight shipped by any other carrier.
FAX: 310-537-4259
FAX: 310-631-5032
FAX: 310-537-1173
**Common nuts, bolts and washers (all items under $1.00
list price) do not count towards the 10+ line items.
NOTE:DISCOUNTSARESUBJECTTOCHANGE
MULTIQUIP INC.
Direct TOLL-FREE access
to our Parts Department:
18910WILMINGTON AVENUE
POST OFFICE BOX 6254
CARSON, CALIFORNIA 90749
310-537-3700 • 800-421-1244
FAX:310-537-3927
Toll-free nationwide — 800-427-1244
INTERNET:www.multiquip.com
Toll-free FAX — 800-6-PARTS-7 (800/672-7877)
MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05) — PAGE 5
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MT-84F — SAFETY MESSAGE ALERT SYMBOLS
HAZARD SYMBOLS
FORYOUR SAFETY ANDTHE SAFETY OF OTHERS!
Potential hazards associated with the operation of a MT-84F
Tamping Rammer will be referenced with Hazard Symbols
Safety precautions should be followed
at all times when operating this
equipment. Failure to read and
understand the Safety Messages and
Operating Instructions could result in
injury to yourself and others.
which appear throughout this manual, and will be referenced
Lethal Exhaust Gases
in conjunction with Safety Message Alert Symbols.
Lethal Exhaust Gas Hazards
WARNING
This Owner's Manual has been
developed to provide complete
instructions for the safe and efficient
Engine exhaust gases contain
poisonous carbon monoxide. This gas
is colorless and odorless, and can
cause death if inhaled. NEVER operate
this equipment in a confined area or
enclosed structure that does not provide
ample free flow air.
operation of the MQ Mikasa, Model
MT-84F Tamping Rammer. Refer to
the engine manufacturers instructions
for data relative to its safe operation.
Before using this rammer, ensure that the operating
individual has read and understands all instructions in this
manual.
Explosive Fuel Hazards
SAFETY MESSAGE ALERT SYMBOLS
WARNING
Gasoline is extremely flammable, and
its vapors can cause an explosion if
ignited. DO NOT start the engine near
spilled fuel or combustible fluids.
The three (3) Safety Messages shown below will inform you
about potential hazards that could injure you or others. The
Safety Messages specifically address the level of exposure to
the operator, and are preceded by one of three words: DANGER,
DO NOT fill the fuel tank while the engine is running or
hot. DO NOT overfill tank, since spilled fuel could ignite if
it comes into contact with hot engine parts or sparks from
the ignition system. Store fuel in approved containers, in
well-ventilated areas and away from sparks and flames.
DANGER
You WILL be KILLED or SERIOUSLY INJURED
if you DO NOT follow these directions.
Burn Hazards
WARNING
WARNING
Engine components can generate extreme
heat. To prevent burns, DO NOT touch
these areas while the engine is running or
immediately after operations. Never
operate the engine with heat shields or heat
guards removed.
You CAN be KILLED or SERIOUSLY INJURED if
you DO NOT follow these directions.
CAUTION
You CAN be INJURED if you DO NOT follow
these directions.
Respiratory Hazards
WARNING
ALWAYS wear approved respiratory
protection when required.
PAGE 6 — MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05)
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MT-84F — SAFETY MESSAGE ALERT SYMBOLS
Equipment Damage
Rotating Parts Hazards
CAUTION
CAUTION
Hazards
NEVER operate equipment with covers,
or guards removed. Keep fingers, hands,
hair and clothing away from all moving
parts to prevent injury.
Other important messages are provided throughout this
manual to help prevent damage to your light tower, other
property, or the surrounding environment.
Accidental Starting Hazards
CAUTION
ALWAYS place the ON/OFF switch in
the OFF position when the rammer is
not in use.
Eye and Hearing Hazards
CAUTION
ALWAYS wear approved eye and
hearing protection.
Refueling Hazard
DANGER
NEVER refuel rammer when placed in truck bed with
plastic liner.The possibility exists of explosion due to static
electricity. When adding fuel, remove rammer from truck
bed and place on ground.
MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05) — PAGE 7
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MT-84F — RULES FOR SAFE OPERATION
■
NEVER touch the hot exhaust
manifold, muffler or cylinder. Allow
these parts to cool before servicing
engine or rammer.
Read this manual!
DANGER
Failure to follow instructions in this manual may lead
to serious injury or even death! This equipment is to
be operated by trained and qualified personnel only!
This equipment is for industrial use only.
The following safety guidelines should always be used when
operating the MT-84FTamping Rammer:
■
■
High Temperatures – Allow the engine to cool before
adding fuel or performing service and maintenance
functions. Contact with hot! components can cause
serious burns.
GENERAL SAFETY
■
DO NOT operate or service this
equipment before reading this entire
manual.
The engine section of this rammer requires an adequate
free flow of cooling air. NEVER operate the rammer in
any enclosed or narrow area
where free flow of the air is
restricted. If the air flow is
restricted it will cause
serious damage to the
rammer or engine and may
■
■
This equipment should not be operated by persons under
18 years of age.
NEVER operate this equipment without proper protective
clothing, shatterproof glasses, steel-toed boots and other
protective devices required by the job.
cause injury to people.
Remember the rammer's
engine gives off DEADLY
carbon monoxide gas.
■
■
NEVER operate this equipment when not
feeling well due to fatigue, illness or taking
medicine.
■
■
ALWAYS refuel in a well-ventilated area, away from
sparks and open flames.
NEVER operate this equipment under the influence of
drugs or alcohol.
ALWAYS use extreme caution when working with
flammable liquids.When refueling, stop the engine and
allow it to cool.
■
NEVER operate the rammer in an
explosive atmosphere or near
combustible materials. An explosion or
fire could result causing severe bodily
harm or even death.
■
ALWAYS wear proper respiratory (mask),
hearing and eye protection equipment when
operating the rammer.
■
■
DO NOT smoke around or near the
machine. Fire or explosion could result
from fuel vapors, or if fuel is spilled on a
hot engine.
■
■
■
Whenever necessary, replace nameplate, operation and
safety decals when they become difficult read.
Manufacturer does not assume responsibility for any
accident due to equipment modifications.
Topping-off to filler port is dangerous, as it tends to spill
fuel.
Stop the engine when leaving the rammer unattended.
Maintain this equipment in a safe operating condition at
all times.
NEVER use accessories or attachments, which are not
recommended by Multiquip for this equipment. Damage
to the equipment and/or injury to user may result.
■
■
PAGE 8 — MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05)
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MT-84F — RULES FOR SAFE OPERATION
■
■
■
■
ALWAYS stop the engine before servicing, adding fuel and
oil.
NEVER run engine without air filter. Severe engine may
occur.
ALWAYS service air cleaner frequently to prevent carburetor
malfunction.
ALWAYS check the machine for loosened threads or bolts
before starting.
MAINTENANCE
■
NEVER lubricate components or attempt service on a
running rammer.
■
ALWAYS allow the rammer a proper amount of time to
cool before servicing.
■
■
Keep the rammer in proper running condition.
Fix damage to the rammer immediately and always
replace broken parts.
■
■
ALWAYS be sure the operator is familiar with proper safety
precautions and operations techniques before using rammer.
ALWAYS store equipment properly when it is not being used.
Equipment should be stored in a clean, dry location out of
the reach of children.
DO NOT operate this equipment unless all guards and
safety devices are attached and in place.
CAUTION must be exercised while servicing this equipment.
Rotating and moving parts can cause injury if contacted.
Keep all inexperienced and unauthorized people away
from the equipment at all times.
Unauthorized equipment modifications will void all
warranties.
■
■
Dispose of hazardous waste properly. Examples of
potentially hazardous waste are used motor oil, fuel
and fuel filters.
DO NOT use food or plastic containers to dispose of
hazardous waste.
■
■
■
■
EMERGENCIES
■
ALWAYS know the location of the nearest fire
extinguisher and first aid kit.
■
■
NEVER pour or spray water over the engine.
Test the engine ON/OFF switch before operating. The
purpose of this switch is to shut down the engine of the
rammer.
■
In emergencies always know the location of
the nearest phone or keep a phone on the job
site. Also know the phone numbers of the
nearest ambulance, doctor and fire
department. This information will be invaluable
in the case of an emergency.
■
Refer to the ROBIN Engine Owner's Manual for engine
technical questions or information recommended by
Multiquip for this equipment.
TRANSPORTING
■
■
ALWAYS shutdown engine before transporting.
Tighten fuel tank cap securely and close fuel cock to
prevent fuel from spilling.
■
■
Drain fuel when transporting rammer over long distances
or bad roads.
When placing the rammer inside a truck-bed for transport,
always tie-down the rammer
MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05) — PAGE 9
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MT-84F — OPERATION AND SAFETY DECALS
Machine Safety Decals
The MQ Mikasa MT-84F tamping rammer is equipped with a number of safety decals.These decals are provided for operator safety
and maintenance information. Figures 1 and 1A below and preceding page illustrates these decals as they appear on the machine.
Should any of these decals become unreadable, replacements can be obtained from your dealer.
Figure 1. Rammer Operation and Safety Decals
PAGE 10 — MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05)
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MT-84F — OPERATION AND SAFETY DECALS
Figure 1A. Rammer Operation and Safety Decals
MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05) — PAGE 11
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MT-84F — GENERAL INFORMATION
Definition of Tamping Rammer
The Mikasa MT-84F tamping rammer is a powerful compacting
tool capable of applying a tremendous force in consecutive
impacts to a soil surface. Its applications include soil compacting
for road, embankments and reservoirs as well as backfilling for
gas pipelines, water pipelines and cable installation work.
The impact force of the MT-84F levels and uniformly compacts
voids between soil particles to increase dry density.
Circular motion is converted to create impact force.The MT-84F
tamping rammer develops a powerful compacting force at the
foot of the rammer.To maintain optimum performance, proper
operation and service are essential.
Construction of Tamping Rammer
The Mikasa MT-84F is equipped with an air cooled, two cycle
gasoline engine. Transmission of the power takes place by
increasing the engine speed to engage the centrifugal clutch.
Rammer Gearbox and Spring Cylinder
The Mikasa MT-84F uses an oil bath lubrication system.Always
check the oil level through the oil level sight glass at the rear of
the tamper foot.
Controls
Before starting the MT-84F Tamping Rammer, identify and
understand the function of the controls. See Figure 2.
PAGE 12 — MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05)
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MT-84F — SPECIFICATIONS
Table 1. MT-84F Rammer Specifications
MODEL
Overall Height
Overall Width
MT-84F
40.35 in. (1,025 mm)
16.33 in (415 mm)
Over Length
28.07 in (713 mm)
Shoe Size L x W
Blows/minute
11.22 x 13.38 in. (285 x 340 mm)
660-700
Impact Force
3,100 lbs./blow (1,400-1,600 kg/blow)
1.96~3.14 in. (50~80 mm)
Automatic Centrifugal
Oil Bath-10W-30 Motor Oil
.66 Gallons (2.5 Liters)
185 lbs. (84 kg)
Jumping Stroke
Clutch
Lubrication System
Fuel Capacity
Operating Weight (W/Fuel)
Table 2. EH12-2D Engine Specifications
MODEL
Type
ROBIN EH12-2D46051 ENGINE
Air-Cooled 4 Stroke Gasoline Engine
7.38 cu.in. (121 cm3)
4.0 HP
Piston Displacement
Max. Output
Max. Governed Speed, No Load
Cooling System
Oil Capacity
4,000 RPM
Air-Cooled
0.64 qts. (600 cc.)
Unleaded gasoline
Recoil Starter
Fuel
Starting System
Dry Weight
33.1 lbs. (15.0 kg.)
11.93 x 13.90 x 14.41
(303 x 353 x 366 mm)
Dimensions
Specifications are general and are subject to change without notice. If exact
measurements are required, equipment should be weighed and measured.
NOTE
MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05) — PAGE 13
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MT-84F — CONTROLS AND COMPONENTS
Figure 2. MT-84F Rammer
Figure 2 shows the location of the controls and components
for the MT-84F Tamping Rammer. The functions of each
control is described below:
8. Foot – Laminated wood with tempered steel plate for
superior shock absorption.
9. Oil Level Sight Glass – Indicates the level of oil in the oil
bath reservoir.
1. Throttle Lever – Controls engine speed and the tamping
10. Recoil Starting Handle – Used when starting the engine.
Pullstarterhandlesharplyandquickly,thenreturnstarter
handle to starter case before releasing.
action of the rammer.
2. Engine Stop Switch – Controls the starting and stopping
of the engine. Switch must be in the "ON" position when
starting the engine.
11. Fuel Tank/Cap – Poly fuel tank to avoid rust and
corrosion, remove this cap to add gasoline.
3. ChokeLever– Usedwhenstartingtheengine.Normally
used in cold weather conditions. In cold weather turn the
choke lever to the fully closed position, in warm weather
set choke lever half way or completely open.
12. Engine Air Cleaner – Prevents dirt (second stage) and
other debris from entering the engine.
13. Bellows – Reservoir for oil bath.
14. Handle – To operate rammer GRIP handle assembly
4. Fuel Shut-OffValve – Supplies fuel from the fuel tank to
the engine.To begin fuel flow move the fuel shut-off valve
downward.
firmly on both sides.
15. Muffler– Used to reduce noise and emissions.
L1. A Returned Material Authorization must be approved by Multiquip prior to shipment. A copy of the Authorization must
5. OilBathFillPlug–Openthisplugtoaddoiltotheoilbath
16. Spark Plug – Provides spark to the ignition system,
accompany the shipment to the designatedWarehouse. A copy of the original Multiquip invoice to the customer must
reservoir.
replace with engine manufactures recommended type
spark plug.
also accompany the shipment.
6. Drain Valve – Open this valve to remove oil from the
bellows.
17. Nameplate– Displaysinformationregardingtherammer.
7. Pre- Cleaner – Pre-cleans (first stage) dirt and other
debris from entering the engine.
PAGE 14 — MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05)
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MT-84F — BASIC ENGINE
Figure 3. Robin EH-12-2D Engine Controls and Components
INITIAL SERVICING
The engine (Figure 3) must be checked for proper lubrication and
filled with fuel prior to operation. Refer to the manufacturers Engine
manual for instructions & details of operation and servicing.
5. Recoil Starter (pull rope) – Manual-starting method. Pull
the starter grip until resistance is felt, then pull briskly and
smoothly.
6. Engine ON/OFF Switch – Controls the starting and
stopping of the engine. Switch must be in the "ON" position
when starting the engine.
1. Secondary Air Cleaner – Prevents dirt and other debris
from entering the fuel system. Remove wing-nut on top of
air filter cannister to gain access to filter element.
2. Choke Lever – Used when starting the engine. Normally
WARNING
used in cold weather conditions. In cold weather turn the
Operating the engine without an
air filter, with a damaged air filter,
or a filter in need of replacement
choke lever to the fully closed position, in warm weather
WARNING
NOTE
set choke lever half way or completely open.
will allow dirt to enter the engine,
causing rapid engine wear.
3. Spark Plug – Provides spark to the ignition system. Set
spark plug gap to 0.6 - 0.7 mm (0.024 - 0.028 inch). Clean
spark plug once a week.
4. Muffler – Used to reduce noise and emissions.
WARNING
Engine components can generate extreme heat.
To prevent burns, DO NOT touch these areas
while the engine is running or immediately after operating. NEVER
operate the engine with the muffler removed.
MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05) — PAGE 15
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it often.
MT-84F — OPERATION
This section is intended to assist the operator with the initial
start-up of the MT-84FTamping Rammer.It extremely important
that this section be read carefully before attempting to operate
the rammer.
Fuel Check
1. Check the fuel level in the fuel tank.If the fuel level is low, fill
the fuel tank (Figure 5) with clean unleaded gasoline.
DO NOT use your rammer until this section is thoroughly
understood.
CAUTION
Failure to understand the operation of the MT-84FTamping
Rammer could result in severe damage to the trowel or
personal injury.
Figure 5. Fuel Tank
Rammer Gearbox and Spring Cylinder Oil Bath
Engine Oil Check
This unit uses an oil bath lubrication system.Perform the following:
1. To check the engine oil level, place the rammer on
secure level ground with the engine stopped.
1. Checktheoillevelthroughtheoillevelsightglass(Figure4)
at the rear of the tamper foot.
2. Remove the filler dipstick from the engine oil filler hole
(Figure 6) and wipe it clean.
Figure 6. Engine Oil Dipstick
3. Insert and remove the dipstick without screwing it into the
filler neck. Check the oil level shown on the dipstick.
Figure 4. Foot Housing Sight Glass
4. If the engine oil level is low, fill to the edge of the oil filler
hole with the recommended oil type (Table 3).SeeTable
2 for the oil capacity of your type engine.
2. If oil is not visible, add 10W-30 motor oil into the oil fill plug
opening (Figure 2). The bath contains approximately 1.7
pints(800cc.)
Table 3 Motor Oil Grade
Grade of motor oil
Season or Temperature
(higher than MS class)
The oil bath level should be kept
at the half way point of the sight
glass.
Spring, Summer or Autumn
SAE 30
NOTE
+120° F to +15° F
Winter
SAE 30
+40° F to +15° F
Below +15° F
SAE 10W-30
PAGE 16 — MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05)
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MT-84F — OPERATION
Inspection
3. Close the choke lever Figure 9 and move the throttle lever
to the "Full Open" position. Turning the choke lever 90
degreesclockwiseclosesthechoke.Incoldweather,startthe
unit with choke fully closed. In warm weather or when the
engine is warm, the unit can be started with choke halfway
orcompletelyopen.
1. Check all nuts, bolts fasteners for tightness. Retighten as
necessary.
2. Clean anydirtfromtherecoil starterand footpedestal. Wipe
the entire unit clean before operating.
3. ReplaceanymissingordamagedSafetyOperationdecals.
4. Adjustheightofhandle.Adjusthandlebylooseningnutsand
moving handle to suit operation. Retighten nuts.
Initial Start-up
When starting the MT-84F Tamping Rammer perform the
following:
1. Openthe fuelshut- off valvebymovingthefuel cock lever
to the open position (Figure 7).
Figure 9. Choke Lever
4. Griptherecoilstarter (Figure10)handleandpullituntilyou
feelaslightresistance.Thenpullsharplyandquickly.Return
therecoilstarterhandletothestartercasebeforereleasing.
Figure 7. Fuel Cock
2. Set the engine ON/OFF switch (Figure 8) to the "ON"
position(START).
Figure 8. Recoil Starter
5. Ifenginefailstostart,movethechokelever(Figure9) tothe
half open position to avoid flooding.
6. Repeat steps 1 thru 4.
7. If the engine does not start after repeated attempts,
check thespark plug forexcess fuel. Clean and replace
the spark plug as needed.
Figure 8. On/Off Switch
MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05) — PAGE 17
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MT-84F — OPERATION
Operation
3. To stop the tamping action, move throttle lever quickly from
the FULL OPEN to IDLE position.
1. To start the rammer tamping action, move the throttle lever
(Figure 11) quickly from IDLE (close) to the FULL OPEN
position.DONOTmovethethrottleleverslowlyasthismay
cause damage to the clutch or spring.
Stopping The Engine
Normal Shutdown
1. Move throttle lever quickly from the FULL OPEN to IDLE
position (Figure12)andruntheengineforthreeminutesat
lowspeed.Aftertheenginecools,turntheenginestart/stop
switchtothe“STOP”position(Figure8)untilenginecomes
to a complete stop.
Figure 11. Throttle Lever (Full Open)
CAUTION
Figure 12. Throttle Lever (Idle)
Make sure that the throttle lever is moved to the FULL OPEN
position. Operating the rammer at less than full speeds can
result in damage to the clutch springs or foot
2. Closethefuelshut-offvalvebymovingthefuelcockleverto
the CLOSED position. See Figure 5.
Emergency Showdown
2. TheMT-84Ftampingrammerisdesignedtorunat4,000rpm.
Atoptimumrpmthefoothitsattherateof 660~700impacts
per minute. Increasing throttle speedpast factory set rpm
does not increase impacts and may damage unit.The MT-
84F is designed to advance while tamping. For faster
advance, pullbackslightlyonthehandlesothatrearof foot
contactssoilfirst.
1. MovethethrottleleverquicklytotheIDLE position,andturn
the engine start/stop switch to theSTOP position.
PAGE 18 — MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05)
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MT-84F — MAINTENANCE
■
The air cleaner (Figure 14) on the engine side will hardly be
contaminated, if it is, however after cleaning the element
with kerosene, dip it in mixed oil consisting of 3 parts of
gasoline and 1 part of engine oil.Then tightly squeeze outer
primary element (sponge) and shake off well the inner
secondary element before installing them.
Maintenance
Performthescheduledmaintenanceproceduresasindicated:
DAILY
■
Thoroughly remove dirt and oil from the engine and control
area.Clean or replace the air cleaner elements as necessary.
Check and retighten all fasteners as necessary. Check the
spring box and bellows for oil leaks. Repair or replace as
needed.
WEEKLY
■
Remove the fuel filter cap and clean the inside of the fuel
tank.
■
■
Remove or clean the filter at the bottom of the tank.
Remove and clean the spark plug, then adjust the spark gap
to 0.02~0.03 inch (0.6~0.7 mm). This unit has electronic
ignition, which requires no adjustments.
Figure 14. Engine Air Cleaner
200 - 300 HOURS (Oil Bath)
■
Clean air cleaner cover.
■
Drain oil reservoir on foot housing (Figure 15). Refill with
approximately 1.7 pt. (800 cc) of 10W-30 motor oil. Oil should
be midway in sight glass. Break in oil should be changed
after first 50 hours.
200 - 300 HOURS (Pre-Cleaner)
■
Remove the element from the pre-cleaner (Figure 13) at the
top of the crankcase (body side) and clean it with cleaning oil
(kerosene).
PRE-CLEANER
YELLOW
GRAY
2-5 CC
13 -15 CC
SAE 30
SAE 30
Figure 15. Foot Housing Drain Plug
Yearly
■
Check the fuel line and the oil line regularly for damage and
to ensure that there are no leaks.
■
Replace the oil and fuel lines every two years to maintain the
performance and flexibility lines.
Figure 13. Pre-Cleaner
Long Term Storage
■
■
Lubricate the top element (yellow) with 2~5 cc of engine oil
SAE-30.
■
■
Drain fuel from fuel tank, fuel line and carburetor.
Remove spark plug and pour a few drops of motor oil into
cylinder. Crank engine 3 to 4 times so that oil reaches all
internal parts.
Lubricate bottom element (gray) with 13 ~15 cc of engine oil
SAE-30 and completely squeeze out the excess oil from the
element before installing.
■
■
Clean exterior with a cloth soaked in clean oil.
Store unit covered with plastic sheet in moisture free and
dust free location out of direct sunlight
MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05) — PAGE 19
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MT-84F —TROUBLESHOOTING GUIDE
TABLE 4. ENGINE TROUBLESHOOTING
SYMPTOM
Difficult to start
POSSIBLE PROBLEM
SOLUTION
Ignition plug being bridge?
Carbon deposit at ignition?
Check ignition system.
Clean or replace ignition.
Replace insulators.
Fuel is available but spark plug
will not ignite. (Power available
at high tension cable).
Short circuit due to defective
insulators?
Improper spark gap?
Set spark plug gap to the correct gap.
Check stop switch circuit. Replace stop switch if defective.
Replace ignition coil.
Short circuit at stop switch?
Ignition coil defective?
Fuel is available but spark plug
will not ignite. (Power NOT
available at high tension cable).
Muffler clogged with carbon
deposits?
Clean or replace muffler.
Fuel is available and spark plug
ignites (compression normal).
Fuel in use inadequate (water,
dust)?
Flush fuel sytem and replace with fresh fuel.
Air Cleaner clogged?
Defective cylinder head gasket?
Cylinder worn?
Clean or replace air cleaner.
Tighten cylinder head bolts or replace head gasket.
Replace cylinder.
Fuel is available and spark plug
ignites (compression low ).
Spark plug loose?
Tighen spark plug.
Operation not satisfactory
Air cleaner clogged?
Air in fuel line?
Bleed (remove air) from fuel line.
Adjust carbureator float
Not enough power available
(compression normal, no miss-
firing).
Fuel level in carbureator float
chamber improper?
Carbon deposits in cylinder?
Ignition coil defective?
Clean or replace cylinder
Flush fuel sytem and replace with fresh fuel.
Replace ignition wires, clean ignition.
Flush fuel sytem and replace with fresh fuel.
Not enough power available
(compression normal, miss-
firing).
Ignition plug often shorts?
Fuel in use inadequate (water,
dust)?
Excessive carbon depostion in
combustion chamber?
Clean or replace crankcase.
Clean or replace muffler.
Engine overheats.
Exhaust or muffler clogged with
carbon.
Spark plug heat value incorrect? Replace spark plug with correct type spark plug.
PAGE 20 — MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05)
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MT-84F —TROUBLESHOOTING GUIDE
TABLE 4. ENGINE TROUBLESHOOTING (continued)
SYMPTOM
POSSIBLE PROBLEM
SOLUTION
Operation not satisfactory
Governor adjustment improper?
Governor spring defective?
Fuel flow erratic?
Adjust governor to correct lever.
Clean or replace ignition.
Check fuel line.
Rotational speed fluctuates.
Air taken in through suction
line?
Check suction line.
Dust in rotating part?
Spiral spring failure?
Clean recoil starter assembly.
Replace spiral spring.
Recoil starter not working
properly.
TABLE 5. RAMMER TROUBLESHOOTING
POSSIBLE PROBLEM
SYMPTOM
SOLUTION
Operating speed of throttle lever Set throttle lever to correct position.
is incorrectly set?
Oil in excess?
Drain excess oil. Bring to correct level.
Replace or adjust clutch.
Engine rotates but amplituide
not uniform or does not strike.
Clutch slips?
Spring Failure?
Replace sprial spring.
Speed of engine improper?
Adjust engine speed to correct operating RPM setting.
MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05) — PAGE 21
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MT-84F — EXPLANATION OF PARTS SECTION REMARKS
QTY. Column
The following section explains the different symbols and remarks
used in the Parts section of this manual. Use the help numbers
found on the back page of the manual if there are any questions.
Numbers Used - Item quantity can be indicated by a number,
a blank entry, or A/R.
A/R (As Required) is generally used for hoses or other parts
that are sold in bulk and cut to length.
The contents and part numbers listed in the parts section are
subject to change without notice. Multiquip does not
guarantee the availibility of the parts listed.
A blank entry generally indicates that the item is not sold
separately. Other entries will be clarified in the “Remarks”
Column.
Sample Parts List:
REMARKS Column
NO. PART NO. PART NAME
QTY. REMARKS
Some of the most common notes found in the “Remarks”
Column are listed below. Other additional notes needed to
describe the item can also be shown.
1
2
2
3
4
12345
BOLT ....................... 1.... INCLUDES ITEMS W/
WASHER, 1/4 IN. ........... NOT SOLD SEPARATELY
WASHER, 3/8 IN. .... 1.... MQ-45TONLY
HOSE .................... A/R.. MAKE LOCALLY
BEARING ................ 1.... S/N2345B AND ABOVE
*
*
*
12347
12348
12349
Assembly/Kit - All items on the parts list with the same unique
symbol will be included when this item is purchased.
Indicated by:
“INCLUDES ITEMS W/(unique symbol)”
NO. Column
Unique Symbols - All items with same unique symbol
Serial Number Break - Used to list an effective serial number
range where a particular part is used.
( , #,
+
, %, or >) in the number column belong to the same
*
assembly or kit, which is indicated by a note in the “Remarks”
column.
Indicated by:
“S/N XXXXX AND BELOW”
“S/N XXXX AND ABOVE”
“S/N XXXX TO S/N XXX”
Duplicate Item Numbers - Duplicate numbers indicate
multiple part numbers are in effect for the same general item,
such as different size saw blade guards in use or a part that
has been updated on newer versions of the same machine.
Specific Model Number Use - Indicates that the part is used
only with the specific model number or model number variant
listed. It can also be used to show a part is NOT used on a
specific model or model number variant.
When ordering a part that has more
than one item number listed, check
the remarks column for help in
determining the proper part to order.
NOTE
Indicated by:
“XXXXX ONLY”
“NOT USED ON XXXX”
“Make/Obtain Locally” - Indicates that the part can be
purchased at any hardware shop or made out of available
items. Examples include battery cables, shims, and certain
washers and nuts.
PART NO. Column
Numbers Used - Part numbers can be indicated by a number,
a blank entry, orTBD.
TBD (To Be Determined) is generally used to show a part that
has not been assigned a formal part number at time of
publication.
“Not Sold Separately” - Indicates that an item cannot be
purchased as a separate item and is either part of an
assembly/kit that can be purchased, or is not available for
sale through Multiquip.
A blank entry generally indicates that the item is not sold
separately or is not sold by Multiquip. Other entries will be
clarified in the “Remarks” Column.
PAGE 22 — MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05)
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MT-84F— SUGGESTED SPARE PARTS
MT-84F RAMMER 1TO 3 UNITS
QTY PART NO
DESCRIPTION
1 ..... 362455630 ............ LEVER, THROTTLE
1 ..... 956100045 ............ THROTTLE WIRE
3 ..... 354030030 ............ ELEMENT,YELLOW
3 ..... 354030040 ............ ELEMENT, GRAY
1 ..... 361910070 ............ CAP, FUEL TANK W/STRAP
1 ..... 954300720 ............ COCK, FUEL ASSY.
2 ..... 301419750 ............ FILTER, IN-LINE FUEL
3 ..... 2523260107 .......... ELEMENT, SET ENGINE
1 ..... 0660000371 .......... STOP SWITCH ASSY
3 ..... 0650140580 .......... SPARK PLUG
1 ..... 954406010 ............ STRAINER, FUEL TANK
1 ..... 2695011008 .......... ROPE, RECOIL STARTER
MT-84F RAMMER 3TO 5 UNITS
QTY PART NO
DESCRIPTION
1 ..... 362455630 ............ LEVER, THROTTLE
1 ..... 956100045 ............ THROTTLE WIRE
5 ..... 354030030 ............ ELEMENT,YELLOW
5 ..... 354030040 ............ ELEMENT, GRAY
2 ..... 354336352 ............ CLAMP, BELLOWS
2 ..... 354010010 ............ BELLOWS
1 ..... 361910070 ............ CAP, FUEL TANK W/STRAP
1 ..... 954300720 ............ COCK, FUEL ASSY.
5 ..... 301419750 ............ FILTER, IN-LINE FUEL
5 ..... 2523260107 .......... ELEMENT, SET ENGINE
1 ..... 0660000371 .......... STOP SWITCH ASSY
5 ..... 0650140580 .......... SPARK PLUG
1 ..... 954406010 ............ STRAINER, FUEL TANK
1 ..... 2695011008 .......... ROPE, RECOIL STARTER
Part number on this Suggested
Spare Parts List may super cede/
replace the P/N shown in the text
pages of this book.
NOTE
MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05) — PAGE 23
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MT-84F— NAMEPLATE AND DECALS
NAME PLATE AND DECALS
PAGE 24 — MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05)
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MT-84F— NAMEPLATE AND DECALS
NAME PLATE AND DECALS
NO
1
PART NO
920210150
920203990
920202930
920202930
920208960
920108310
920203980
920210160
TBD
PART NAME
QTY.
REMARKS
DECAL: 3500 ~ 3700 RPM............... 1.......... NPA1015
DECAL: CLOSE FUEL COCK .......... 1.......... NPA-399
DECAL: START SWITCH ................. 1.......... NPA-293
DECAL: GASOLINE ONLY ............... 1.......... NPA-1017
DECAL: GASOLINE ONLY TAG ....... 1.......... NPA-896
DECAL: CLEANER ELEMENT......... 1.......... NPA-831
DECAL: ELEMENT SET .................. 1.......... NPA-398
DECAL: SERVICE MONTHLY .......... 1.......... NPA-1016
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
DECAL:WARNING READ
DECAL:CAUTION
1
1
0732004450
920203290
DECAL: READ MANUAL .................. 1.......... NPA-329
NAMEPLATE.................................... 1.......... CONTACT MQ PARTS DEPT.
DECAL: PRE-CLEANER .................. 1.......... NP-700
DECAL: CAUTION RAMMER ........... 1.......... NPA-910
DECAL:CAUTION MANUAL ............ 1.......... NPA-769
DECAL: CHECK DAILY (FILTER) ..... 1.......... NPA-1018
DECAL:CAUTION 4-CYCLE ............ 1.......... NPA-975
DECAL: PRE-CLEANER .................. 1.......... NPA-437
DECAL: EAR PROTECTION ............ 1.......... NPA-333
920107000
920209100
920207690
920210180
920209750
920204370
920203330
920100240
DECAL: MIKASA LOGO
1
MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05) — PAGE 25
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MT-84F — CRANKCASE AND ENGINE ASSY.
CRANKCASE AND ENGINE ASSY.
PAGE 26 — MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05)
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MT-84F — CRANKCASE AND ENGINE ASSY.
CRANKCASE AND ENGINE ASSY.
NO.
PART NO.
PART NAME
QTY.
REMARKS
CLUTCH GUIDE / A
1
1
361117380
CRANK CASE
1
45
0053204201 WOODRUFF KEY
1
3
361335870
00
040006204
CRANK GEAR
EARIN 62
BEARING 6204
1
4
3004
1
0
0
1
6
0
2
2
0710 LO
B
CK
W
G
A
S
07
H
ER CLUTCH
1
1
5
1
47
956300130 THROTTLE LEVER AY 25
1
6
952400130
002210825
371447650
050300480
080100480
001220610
001200610
031106100
371334730
040006304
080100520
952400130
002210825
361010070
352444450
002210620
361449320
040006204
080200350
371449600
060404010
050101000
361449330
952405610
952405490
002210820
041006007
911211202
0053204201
362454441
943060020
943050050
943020020
943030021
943060100
301010210
WASHER 9304
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
9
1
1
1
1
1
1
1
1
1
1
1
1
1
7
8
9
BOLT 8X25 H, SW
BEARING COVER
O-RING S-48
STOP RING R-48
BOLT 6X10 T
BOLT 6X110
WASHER M5
CONNECTING ROD
BEARING 6304
STOP RING R-52
WASHER 9304
BOLT8X25 H, SW
PACKING, FRONT COVER
PACKING, FRONT COVER
BOLT 6X20 H, SW
PINION
BEARING 6204
STOP RING S-35
SPACER
OIL SEAL TC-40528
O-RING G-100
10
11
11-1
12
13
14
15
16
17
19
20
21
23
24
25
26
28
29
30
31
32
33
34
36
37
38
38-1
38-2
38-3
38-4
38-5
CLUTCH DRUM
KEY 5X5X19R
LOCKWASHER
BOLT 8X20 H, SW
BEARING 6007Z
ENGINE ASSY., EH12-2D EPA
WOODRUFF KEY
CLUTCH ASSY. CE120P 1.6T............... 1 ............ INCLUDES ITEMS W/
*
CLUTCH GUIDE/B
1
1
4
2
1
1
*
*
*
*
*
CLUTCH BOSS C812
CLUTCH SHOE C812
CLUTCH SPRING C812
CLUTCH GUIDE/A 1.6T,1C
WASHER, LOCK CLUTCH
39
*
MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05) — PAGE 27
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MT-84F — CRANKCASE AND ENGINE ASSY.
CRANKCASE AND ENGINE ASSY. CONTINUED
PAGE 28 — MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05)
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MT-84F — CRANKCASE AND ENGINE ASSY.
CRANKCASE AND ENGINE ASSY. CONTINUED
NO
41
42
42-1
43
43-1
46
46-1#
46-2#
46-3#
46-4#
47-5#
47
47-1
48
49
52
53
53-1
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
72
73
81
82
83
84
PART NO
PART NAME
NUT M10
SW M10
SW M10
BOLT 10X50 H, SW
BOLT 10X50 T
QTY. REMARKS
020310080
030210250
030210250
002211050
001221050
361213800
354030011
361010020
354030030
354030040
354030050
002210820
002200820
361336010
954010230
362341550
362455610
362910090
362455620
362455630
050100450
050200100
031110160
032110180
096206006
022131008
020410060
096208020
020408050
956100045
001220620
030206150
022130605
30310450
2
2
4
2
2
AIR CLEANER ASSY ............................... 1 ........ INCLUDES ITEMS W/#
BODY /W-CLEANER
BACK PLATE CP
ELEMENT, YELLOW
ELEMENT, GRAY
ELEMENT FRAME
BOLT 8X20 H, SW
BOLT 8X20 , SW
INTAKE PIPE
HOSE BAND (B), AH-1032
THROTTLE BODY
THROTTLE GEAR
THROTTLE GEAR CP, W/BOLT
SLIDER
1
1
1
1
1
4
4
1
1
1
1
1
1
1
1
1
3
2
1
1
1
1
2
1
2
2
2
1
1
1
1
3
3
3
3
2
THROTTLE LEVER
O-RING G-45
O-RING P-10
PW M10
CONICAL SPRING WASHER M10
SOCKET HEAD SCREW 6X6
CAP NUT M10
NUT M10, H=6
SOCKET HEAD SCREW 8X20
NUT M8, H=5
THROTTLEWIRE, S680-780/84
BOLT 6X20 T
WASHER, LOCK M6
CAP NUT M6
BAND
COIL SPRING
0830000010
959006120
361214201
001220840
020308060
030208200
031108160
0011308180
CLIP,TCP2-10509B
UNDER PROTECTOR
BOLT 8X40 T
NUT M8
WASHER, LOCK M8
WASHER, FLAT M8
BOLT & WASHER ASSY.
85
86
MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05) — PAGE 29
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MT-84F — GUIDE CYLINDER AND FOOT ASSY.
GUIDE CYLINDER AND FOOT ASSY.
PAGE 30 — MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05)
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MT-84F — GUIDE CYLINDER AND FOOT ASSY.
GUIDE CYLINDER AND FOOT ASSY.
NO.
1
2
2
3
4
5
6
7
PART NO.
352423290
080100150
080100150
355338690
355452340
020118150
355447250
355447260
355447270
355334310
355214140
050100900
001521020
001521040
953405270
953405260
355213010
050201500
002211035
354010010
050931500
354336352
35442340
001210840
020308060
354446170
953405270
953405260
050100950
355113960
959010150
953404670
361910050
0227112174
030212300
352108220
352108230
352333380
001611253
PART NAME
QTY.
REMARKS
PISTON PIN
1
STOP RING R-15 ............................ 1 .......... S/N M1372 AND BELOW
STOP RING R-15 ............................ 1 .......... S/N M1373 AND ABOVE
PISTON ROD
PISTON END
NUT M18, P1.5
STOPPER UPPER
STOPPER, LOWER
MAIN SPRING
SPRING CYLINDER
FOOT PLATE, 14
1
1
1
1
1
2
1
1
1
4
4
1
1
1
1
4
1
2
2
2
8
9
10
11
12
13
14
15
17
18
19
21
22
23
24
25
26
27
28
29
30
41
47
48
100
111
112
131
O-RING G-90
SOCKET HEAD BOLT 10X20 T
SOCKET HEAD BOLT 10X40 T
PLUG 1/4X14 13L
PACKING 1/4 (CU)
GUIDE CYLINDER
O-RING P-150
BOLT 10X35 H, SW
BELLOWS, ORANGE
O-RING JASO3150
BELLOWS CLAMP, 1.6T 171D
BAND GUIDE, BELLOWS
BOLT 8X40 H .................................. 2 .......... REPLACES 001220840
NUT M8
PIN 6D-8.5L
PLUG 1/4X14 13L
PACKING 1/4 (CU)
O-RING G-95
PROTECTION SLEEVE
LEVEL GAUGE, PLUG TYPE
COPPER PACKING 17X25.5X1
2
2
2
2
1
1
1
1
FOOT ASSY 285W, S80 ................. 1 .......... INCLUDES ITEMS W/
NYLON NUT M12
WASHER, LOCK M12
FOOT 285B-331L
METAL SHEET
*
4
4
1
1
1
4
2
2
1
7
7
7
*
132
133
134
*
FOOT COVER
*
SUNK HEAD BOLT 12X65 H
SUNK HEAD BOLT 12X65 H
SUNK HEAD BOLT 12X95 H
HANDLE
SUNK HEAD BOLT 10X55 H
WASHER, LOCK M10
NYLON NUT M10
134-1 001611253
134-2 001611259
134-3 363343390
137
138
139
001611051
030210250
022711012
*
*
*
MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05) — PAGE 31
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MT-84F —TANK AND HANDLE ASSY.
TANK AND HANDLE ASSY.
PAGE 32 — MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05)
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MT-84F —TANK AND HANDLE ASSY.
TANK AND HANDLE ASSY.
NO
1
2
PART NO
PART NAME
QTY.
REMARKS
361117410
351319900
009110007
014210020
033121009
002211020
361910070
361455740
920208960
351437735
954406020
954406010
011208030
030208200
022710809
952401450
353432250
361116910
954300720
353449010
009110014
954406420
351435160
351436350
954404590
954403030
301419750
955200052
955200053
091005025
022610505
031105080
HANDLE.................................................. 1 ................REPLACES 361117750
SHOCK ABSORBER
GT CAP SA, 10X20
2
4
3
3-1
3-2
4
SOCKET HEAD BOLT 10X20T ............... 4 ................REPLACES 001521020
TOOTH LOCKEDWASHER BM10
BOLT 10X20 H, SW
TANK CAP ASSY., OR,DB
SUB. CAP, B
TAG, GASOLINE
HOLDER, COCK
PACKING, FUEL TANK
STRAINER, #110
BOLT 8X30 T........................................... 2 ................REPLACES 001220830
WASHER, LOCK M8
NYLON NUT M8
WASHER 8.5X22X3
CAP
FUEL TANK, 2.5L P, G
FUEL COCK ASSY. CVL-08
STRAP, OIL TANK
PAN HEAD SCREW 8X10
HOSE BAND 10.5
FUEL HOSE B-95
FUEL HOSE R-15OL D8
HOSE BAND 9.5D
HOSE BAND, 8
FUEL FILTER CP
ROLLER, W/PIN
ROLLER, W/PIN
SCREW 5X25
FLANGE NUT, M5 H
WASHER, FLAT M5
4
4
1
1
1
1
1
1
6
INCLUDES ITEM W/
*
6-1
6-2
7
8
9
11
12
13
14
23
26
27
28
29
32
36
37
38
39
40
46
46-1
47
48
49
2
2
2
1
1
1
1
2
2
1
1
2
2
1
2
2
4
4
4
*
MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05) — PAGE 33
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ROBIN EH-12-2D ENGINE — CRANKCASE AND CYLINDER ASSY.
CRANKCASE AND CYLINDER ASSY.
PAGE 34 — MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05)
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ROBIN EH-12-2D ENGINE — CRANKCASE AND CYLINDER ASSY.
CRANKCASE AND CYLINDER ASSY.
NO.
10
PART NO.
2521030111
PART NAME
QTY.
REMARKS
CRANK CASE............................ 1 ...................... INCLUDES ITEMS W/$
20+
2371420203
2371600801
0440250150
0600250010
0310060020
0105080480
VALVE GUIDE, OVERSIZE
VALVE, STEM SEAL
OIL SEAL
BALL BEARING 6205C3
DOWEL PIN
2
1
1
1
2
2
26
30$
40$
50$
60+
STUD
70+
71+
80
0105060131
STUD
STUD
PLUG
GASKET
1
0013906600
0401140030
0211140020
2521110121
0440250160
0600250010
2274500301
2054190103
0108100020
2526360101
0213160020
2521700101
0566000250
0110060020
0130060200
2681300301
2531500123
0110080100
2521550203
2691600403
0310060020
0110060170
2521560110
2521560103
2521600103
2521610103
2521440113
0110060150
0043506120
2521700201
0011308160
2531600633
0011308160
2521800203
0011306160
2529900107
1
2
2
90
210
220#
230#
250
260
265
270
280
295
296
297
300
610
620
630
680
690
700
710
720
MAIN BEARING COVER CP ..... 1 ...................... INCLUDES ITEMS W/#
OIL SEAL
1
1
1
1
2
1
1
1
1
1
8
BALL BEARINGS 6205C3
GOVERNOR GEAR COMPL
GOVERNOR SLEEVE
STUD
OIL GAUGE CP
GASKET
SUPPORT (M.B.C)
CLAMP
FLANGE BOLT
BOLT & WASHER ASSY
CYLINDER HEAD CP ................ 1 ...................... INCLUDES ITEMS W/+
GASKET, HEAD
1
4
1
2
2
4
FLANGE BOLT
ROCKER COVER
GASKET, ROCKER COVER
DOWEL PIN
FLANGE BOLT EY45V
SPACER ASSY, BREATHER ..... 1 ...................... INCLUDES ITEMS W/
SPACER, BREATHER
LEAF VALVE
RETAINER PLATE
PLATE
FLANGE BOLT EH11
SCREW & WASHER
BRACKET CP (M.B.C)
BOLT & WASHER ASSY
GASKET, BREATHER COVER
BOLT & WASHER ASSY
RUBBER PIPE
*
721
1
1
1
1
2
1
1
1
1
2
1
2
1
*
722
*
723
*
724
*
725
*
726
*
815
816
830
840
850
860
870
BOLT AND WASHER ASSY.
GASKET SET
MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05) — PAGE 35
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ROBIN EH-12-2D ENGINE — CRANKSHAFT AND PISTON ASSY.
CRANKSHAFT AND PISTON ASSY.
ISTON
PAGE 36 — MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05)
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ROBIN EH-12-2D ENGINE — CRANKSHAFT AND PISTON ASSY.
CRANKSHAFT AND PISTON ASSY.
NO.
10
40
40
40
50
60
70
80
PART NO.
PART NAME
QTY.
1
REMARKS
EH122R0029
0230250110
0230250120
0230250130
0021814000
0032014000
0323030010
0053204201
0173120010
2522250110
2362300103
2682330103
2682340103
2682340203
2682340303
2522350107
2522350207
2522350307
2152500403
CRANKSHAFT CP
SPACER T=0.6
SPACER T=0.8
SPACER T=1.0
NUT
SPRING WASHER
WOODRUFF KEY
WOODRUFF KEY
LOCK NUT
1
— E— CRANKSHAFT AND PISTON
1
1
1
1
1
1
1
170
310
320
CONNECTING ROD ASSY........ 1 ...................... INCLUDES ITEMS W/
CONNECTING ROD BOLT
PISTON PIN
*
2
1
1
1
1
1
1
1
2
*
350
360
360
360
370
370
370
380
PISTON STD.
PISTON O.S. 0.25MM
PISTON O.S. 0.50MM
PISTON RING SET STD
PISTON RING SET 0.25 O.S.
PISTON RING SET 0.50 O.S.
CLIP
MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05) — PAGE 37
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ROBIN EH-12-2D ENGINE—MUFFLER, AIR CLEANER, CAM& CARB. ASSY.
MUFFLER, AIR CLEANER, CAMSHAFT & CARBURETOR ASSY.
PAGE 38 — MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05)
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ROBIN EH-12-2D ENGINE —MUFFLER, AIR CLEANER, CAM& CARB. ASSY.
MUFFLER, AIR CLEANER, CAMSHAFT & CARBURETOR ASSY.
NO.
10
35
36
37
50
60
70
80
PART NO.
PART NAME
QTY.
REMARKS
2533170111
2273640103
0051904100
0031522000
2393330113
2533360103
13209KAO40
2683340103
2683350103
13210KAO31
2683530103
26136001A3
2693580103
0170060090
2693650103
2523040111
2523700111
2533520103
2523650103
0170080030
0011308160
0031108000
2523300311
0105060230
2523271110
2263272008
2523260107
2523261108
2523650203
1063291203
2273590103
0011406400
2363590303
0176060020
0011308180
0023706000
0200080080
0566000170
2526253110
CAMSHAFT CP ......................... 1 ...................... INCLUDES ITEMS W/
*
RELEASE LEVER
SPRING PIN
SNAP RING
1
1
1
2
2
2
1
1
4
2
2
2
2
1
1
1
2
1
2
4
2
TAPPET
VALVE SPRING
RETAINER VALVE SPRING
INTAKE VALVE
EXHAUST VALVE
COLLECT VALVE
PUSH ROD
ROCKER ARM
BOLT, PIVOT
NUT
GUIDE PLATE
MUFFLER CP
BRACKET CP
GASKET, MUFFLER
SPACER, EXHAUST
NUT
BOLT & WASHER ASSY
WASHER
INTAKE PIPE CP....................... 1 ...................... INCLUDES ITEMS W/$
STUD
AIR CLEANER ASSY ................ 1 ...................... INCLUDES ITEMS W/%
GASKET (AIR CLEANER)
ELEMENT, SET
ELEMENT
PLATE, AIR CLEANER
INSULATOR
GASKET (INSULATOR)
BOLT AND WASHER ASSY
GASKET 2 (INSULATOR)
SELF LOCK NUT
BOLT & WASHER ASSY
FLANGE NUT ............................ 2 ...................... REPLACES 0023806000
WASHER
CLAMP
90
95
210
220
230
240
260
310
330
340
341
350
360
362
500
505$
510
510-2%
520%
525%
530
540
555
556
560
570
580
590
595
596
999
2
1
1
1
1
1
1
1
2
2
1
1
1
1
CARBURETOR ASSY
MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05) — PAGE 39
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ROBIN EH-12-2D ENGINE —GOVERNOR ASSY.
GOVERNOR ASSY.
PAGE 40 — MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05)
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ROBIN EH-12-2D ENGINE —GOVERNOR ASSY.
GOVERNOR ASSY.
NO.
10
20
30
40
50
60
70
80
200
210
230
240
250
260
280
390
420
700
701
702
PART NO.
PART NAME
QTY.
REMARKS
2524230303
2264230207
2544270101
2544280103
0031306000
0011406300
0186060020
2524250323
2524340220
0116040030
0043105250
0021705000
2054600323
0140040020
2264310101
2524420213
0110060030
2524280111
0011308160
0011306200
GOVERNOR LEVER CP
1
GOVERNOR SHAFT .................. 1 ...................... REPLACES 2274220103
GOVERNOR ROD CP
ROD SPRING
CLIP
BOLT & WASHER ASSY
NUT
GOVERNOR SPRING
SPEED CONTROL ASSY
BOLT
SCREW, PANHEAD
NUT
CONTROL SPRING
SCREW...................................... 1 ...................... REPLACES 0043104250
LINK PIVOT
WIRE BRACKET
FLANGE BOLT
1
1
2
1
1
1
1
1
1
1
1
1
1
1
PROTECTOR CP, GOVERNOR 1
BOLT & WASHER ASSY
BOLT & WASHER ASSY
1
1
MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05) — PAGE 41
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ROBIN EH-12-2D ENGINE —RECOIL STARTER AND BLOWER ASSY.
RECOIL STARTER AND BLOWER ASSY.
PAGE 42 — MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05)
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ROBIN EH-12-2D ENGINE —RECOIL STARTER AND BLOWER ASSY.
RECOIL STARTER AND BLOWER ASSY.
NO.
10
20
35
40
45
90
210
210-1
210-2
210-3
210-4
210-5
210-6
210-1
210-3
PART NO.
PART NAME
QTY.
REMARKS
2525165211
2069170103
2689180203
0011406550
0110060140
2525270213
2685020100
2705011508
2695012008
2695011008
2615010008
2705012508
2275013108
2685014508
2705026108
2275015208
0110060050
BLOWER HOUSING CP 2
LABEL, MIKASA MARK
LABEL, ENGINE NAME
BOLT & WASHER ASSY
FLANGE BOLT
1
1
1
4
2
1
HEAD COVER
RECOIL STARTER ASSY.......... 1 ...................... INCLUDES ITEMS W/
SPIRAL SPRING
REEL
STARTER ROPE
STARTER KNOB
RATCHET
FRICTION SPRING
STARTER PULLEY
RATCHET GUIDE
SET SCREW
*
1
1
1
1
2
1
1
1
1
*
*
*
*
*
*
*
*
210-49
220
*
FLANGE BOLT .......................... 4 ...................... REPLACES 0110060010
MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05) — PAGE 43
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ROBIN EH-12-2D ENGINE — MAGNETO ASSY.
MAGNETO ASSY.
PAGE 44 — MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05)
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ROBIN EH-12-2D ENGINE — MAGNETO ASSY.
MAGNETO ASSY.
NO
10
11
30
60
70
75
90
95
PART NO
PART NAME
QTY.
REMARKS
2527933101
2697943001
0011406250
0660000371
0150040090
0566030010
0566000250
0659000010
0650140100
2307510113
FLYWHEEL CP
1
1
2
1
2
1
1
IGNITION COIL CP
BOLT & WASHER ASSY
STOP SWITCH ASSY (ON-OFF)
TAPPING SCREW
CLAMP
CLAMP
SPARK PLUG CLIP ......................... 1 ................ REPLACES 0655000100
SPARK PLUG .................................. 1 ................ REPLACES 0650140100
SPARK PLUG CAP
100
110
1
MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05) — PAGE 45
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ROBIN EH-12-2D ENGINE — CARBURETOR ASSY.
CARBURETOR ASSY.
PAGE 46 — MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05)
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ROBIN EH-12-2D ENGINE — CARBURETOR ASSY.
CARBURETOR ASSY.
NO
PART NO
PART NAME
QTY.
REMARKS
210
2526253120
2526253508
2366252808
2376245108
2166230308
2376243508
2306244608
2526252108
2466243508
1616253008
2366245108
1616235208
2146251508
2366255208
2366245008
2366254008
2366250508
2526244008
2266240308
1616235308
2366235008
2366254108
2096244508
1616240008
2466255108
2356242508
2366244508
FLYWHEEL COMPLETE ............. 1......................INCLUDES ITEMS W/
*
210-1
210-3
210-4
210-5
210-6
210-7
210-8
THROTTLE VALVE
CHOKE VALVE
SCREW
PILOT JET
PILOT SCREW
SPRING
CHOKE SHAFT
ADJUST SCREW
THROTTLE SHAFT
BOLT
NEEDLE
PIN
FLOAT CHAMBER BODY
PACKING
PACKING, CHAMBER
FLOAT
MAIN NOZZLE
MAIN JET
HOSE
SCREW
PACKING
SPRING
GUIDE HOLDER
CAP
MAIN JET
SPRING
1
1
4
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
*
*
*
*
*
*
*
210-10
210-11
210-12
210-14
210-15
210-16
210-17
210-18
210-19
210-20
210-22
210-26
210-28
210-29
210-41
210-44
210-61
210-64
210-82
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05) — PAGE 47
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Effective: October 1, 2002
TERMS AND CONDITIONS OF SALE — PARTS
Multiquipreservestherighttoquoteandsell
directtoGovernmentagencies,andtoOrigi-
nal Equipment Manufacturer accounts who
useourproductsasintegralpartsoftheirown
products.
PAYMENT TERMS
5. Partsmustbeinnewandresalablecon-
dition,intheoriginalMultiquippackage(if
any), and with Multiquip part numbers
clearlymarked.
Terms of payment for parts are net 10 days.
FREIGHTPOLICY
All parts orders will be shipped collect or
prepaidwiththechargesaddedtotheinvoice.
All shipments are F.O.B. point of origin.
Multiquip’sresponsibilityceaseswhenasigned
manifesthasbeenobtainedfromthecarrier,
andanyclaimforshortageordamagemustbe
settledbetweentheconsigneeandthecarrier.
6. Thefollowingitemsarenotreturnable:
SPECIALEXPEDITINGSERVICE
a. Obsolete parts. (If an item is in the
price book and shows as being re-
placedbyanotheritem,itisobsolete.)
A$35.00surchargewillbeaddedtotheinvoice
forspecialhandlingincludingbusshipments,
insuredparcelpostorincaseswhereMultiquip
mustpersonallydeliverthepartstothecarrier.
b. Any parts with a limited shelf life
(such as gaskets, seals, “O” rings,
andotherrubberparts)thatwerepur-
chasedmorethansixmonthspriorto
thereturndate.
LIMITATIONSOFSELLER’SLIABILITY
MINIMUMORDER
Multiquip shall not be liable hereunder for
damagesinexcessofthepurchasepriceofthe
item with respect to which damages are
claimed, and in no event shall Multiquip be
liable for loss of profit or good will or for any
otherspecial,consequentialorincidentaldam-
ages.
The minimum charge for orders from Mul-
tiquipis$15.00net.Customerswillbeasked
for instructions regarding handling of orders
notmeetingthisrequirement.
c. Anylineitemwithanextendeddealer
netpriceoflessthan$5.00.
d. Special order items.
RETURNEDGOODSPOLICY
e. Electricalcomponents.
f. Paint,chemicals,andlubricants.
g. Decalsandpaperproducts.
h. Itemspurchasedinkits.
Returnshipmentswillbeacceptedandcredit
willbeallowed,subjecttothefollowingprovi-
sions:
LIMITATIONOFWARRANTIES
Nowarranties,expressorimplied,aremade
in connection with the sale of parts or trade
accessoriesnorastoanyenginenotmanufac-
turedbyMultiquip.Suchwarrantiesmadein
connectionwiththesaleofnew,completeunits
aremadeexclusivelybyastatementofwar-
rantypackagedwithsuchunits,andMultiquip
neitherassumesnorauthorizesanypersonto
assume for it any other obligation or liability
whatever in connection with the sale of its
products.Apartfromsuchwrittenstatementof
warranty, there are no warranties, express,
impliedorstatutory,whichextendbeyondthe
descriptionoftheproductsonthefacehereof.
1. AReturnedMaterialAuthorizationmust
be approved by Multiquip prior to ship-
ment.
7. Thesenderwillbenotifiedofanymaterial
receivedthatisnotacceptable.
2. ToobtainaReturnMaterialAuthorization,
alistmustbeprovidedtoMultiquipParts
Salesthatdefinesitemnumbers,quanti-
ties, and descriptions of the items to be
returned.
8. Suchmaterialwillbeheldforfiveworking
days from notification, pending instruc-
tions.Ifareplyisnotreceivedwithinfive
days,thematerialwillbereturnedtothe
senderathisexpense.
a. Thepartsnumbersanddescriptions
must match the current parts price
list.
9. Creditonreturnedpartswillbeissuedat
dealer net price at time of the original
purchase,lessa15%restockingcharge.
b. The list must be typed or computer
generated.
10. In cases where an item is accepted, for
which the original purchase document
can not be determined, the price will be
basedonthelistpricethatwaseffective
twelvemonthspriortotheRMAdate.
c. The list must state the reason(s) for
thereturn.
d. The list must reference the sales
order(s)orinvoice(s)underwhichthe
itemswereoriginallypurchased.
11. Credit issued will be applied to future
purchasesonly.
e. The list must include the name and
phonenumberofthepersonrequest-
ingtheRMA.
PRICINGANDREBATES
Prices are subject to change without prior
notice.Pricechangesareeffectiveonaspe-
cificdateandallordersreceivedonorafterthat
datewillbebilledattherevisedprice.Rebates
3. AcopyoftheReturnMaterialAuthoriza-
tionmustaccompanythereturnshipment.
4. Freight is at the sender’s expense. All forpricedeclinesandaddedchargesforprice
partsmustbereturnedfreightprepaidto increaseswillnotbemadeforstockonhand
Multiquip’sdesignatedreceivingpoint.
atthetimeofanypricechange.
PAGE 48 — MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05)
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NOTE PAGE
MT-84F — OPERATION & PARTS MANUAL — REV. #2 (06/30/05) — PAGE 49
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OPERATION & PARTS MANUAL
HERE'S HOW TO GET HELP
PLEASE HAVETHE MODEL AND SERIAL
NUMBER ON-HANDWHEN CALLING
UNITED STATES
Multiquip Corporate Office
18910 Wilmington Ave.
Carson, CA 90746
MQ Parts Department
800-427-1244
Tel. (800) 421-1244
Fax (800) 537-3927
Fax:800-672-7877
Fax:310-637-3284
310-537-3700
Contact: [email protected]
Mayco Parts
800-306-2926
310-537-3700
Warranty Department
800-421-1244, Ext. 279 Fax:310-537-1173
310-537-3700, Ext. 279
Fax:800-672-7877
Fax:310-637-3284
Service Department
800-421-1244
Technical Assistance
800-478-1244
Fax:310-537-4259
Fax:310-631-5032
310-537-3700
MEXICO
MQ Cipsa
UNITED KINGDOM
Multiquip (UK) Limited Head Office
Hanover Mill, Fitzroy Street,
Ashton-under-Lyne,
Carr. Fed. Mexico-Puebla KM 126.5
Momoxpan, Cholula, Puebla72760Mexico
Tel: (52) 222-225-9900
Fax: (52) 222-285-0420
Tel: 0161 339 2223
Fax: 0161 339 3226
Lancashire OL7 0TL
CANADA
Multiquip
BRAZIL
Multiquip
4110IndustrielBoul.
Laval, Quebec, Canada H7L 6V3
Tel: (450) 625-2244
Fax: (450) 625-8664
Av. Evandro Lins e Silva, 840 - grupo 505 Tel: 011-55-21-3433-9055
Barra de Tijuca - Rio de Janeiro Fax: 011-55-21-3433-9055
© COPYRIGHT 2005, MULTIQUIP INC.
Multiquip Inc, the MQ logo and the Mikasa logo are registered trademarks of Multiquip Inc. and may not be used, reproduced, or altered without written permission. All other
trademarks are the property of their respective owners and used with permission.
This manual MUST accompany the equipment at all times. This manual is considered a permanent part of the equipment and should remain with the unit if resold.
The information and specifications included in this publication were in effect at the time of approval for printing. Illustrations are based on the MT-84F Tamping Rammer.
Illustrations, descriptions, references and technical data contained in this manual are for guidance only and may not be considered as binding. Multiquip Inc. reserves the
right to discontinue or change specifications, design or the information published in this publication at any time without notice and without incurring any obligations.
Your Local Dealer is:
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