Briggs Stratton Lawn Mower LT 200 User Manual

Setup  
& Adjustment Instructions  
LT-200 Series Tractors and Mowers  
TABLE OF CONTENTS:  
SAFETY RULES .................................................................2  
SETUP PROCEDURES  
Mfg. No.Description  
Tractors & Mower Combinations  
Quick Setup List ................................................................3  
Uncrating............................................................................4  
Battery Charging & Installation........................................4  
Check Fluid levels .............................................................5  
Check Transmission Oil Level .........................................5  
Fill and Check Engine Oil.................................................5  
Perform Safety Checks .....................................................6  
Functional Tests...............................................................6  
Mower Blade Stopping Check..........................................6  
Seat Switch Connection...................................................6  
Safety Interlock System ...................................................6  
Torque Mower Blades .......................................................7  
Burnishing the Electric PTO Clutch.................................7  
Reduce and Check Tire Pressure ....................................7  
Lubrication.........................................................................8  
Hourmeter ........................................................................11  
Mower Adjustments & Assembly...................................10  
Mower Deck Removal & Installation ..............................10  
Side-to-Side Leveling.....................................................11  
Front-to-Back Leveling...................................................11  
ADJUSTMENT PROCEDURES  
2690437  
LT-200, 20HP & 44” Mower Deck  
Attention Setup Personal:  
The safety warnings provided in this guide and in  
the operator's manual included with the unit contain  
important information that must be obeyed when  
assembling, setting-up, operating, servicing,  
transporting, or storing the unit.  
These warnings are highlighted by the safety alert triangle  
symbol shown above, which signifies that an important safety  
message is being provided.  
You must read, understand, and follow these warnings and  
instructions, and use safe shop and work practices at all  
times while working on or around this unit and all other  
outdoor power equipment.  
Adjust Gauge Wheels......................................................12  
Seat Slide Adjustment.....................................................12  
Electric PTO Clutch Adjustment ....................................13  
SERVICE PROCEDURES  
Mower Belt Replacement................................................14  
Sections and items denoted by the Setup symbol  
provide the information necessary to fully assemble,  
test, and prepare the units described above for  
delivery to your customers.  
Additional information concerning functional tests,  
general adjustment procedures, and the location of  
normal lubrication points are included in these  
instructions.  
Form No. 1734713-00  
1/2006  
1
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LT-200 Series  
Quick Setup List -  
Page  
Setup Procedure  
Uncrating  
Steps to Perform  
o Remove Crate & Banding.  
4
o Place Transmission Release Lever in PUSH position & Roll  
Tractor forward off skid.  
4
Battery Charging &  
Installation  
o Charge the Battery (Note: proceed with other setup steps  
while battery is charging).  
o Install Battery.  
5
6
Check Fluid Levels  
SAFETY CHECKS  
o Check Transmission fluid level.  
o Fill & check Engine oil level.  
o Check for LOOSE HARDWARE.  
o Check all OPERATOR CONTROLS.  
o Test PARKING BRAKE.  
o Perform MOWER BLADE STOPPING CHECK.  
(Blade must stop within 5 seconds!)  
o Check the Seat Switch connection.  
o Perform SAFETY INTERLOCK SYSTEM CHECK.  
7
7
Torque Mower Blades  
Burnish Electric Clutch  
o Torque mower blades to 45-55 ft.lbs. (61-75 Nm.  
o Burnish Electric Clutch (run for 15 seconds, repeat 10  
times).  
7
Reduce &  
Check Tire Pressure  
o Reduce & check Tire Pressure.  
(Front Tires 12-15 psi, Rear tires 10-12 psi)  
8
Lubrication  
o Lubricate all grease & oil points.  
10  
Mower Assembly  
o Install Mower Deck onto Tractor and Attach Belt  
o Level Mower Deck (Side-to-side & Front-to-back).  
14  
Adjustment Procedures  
o Gauge Wheels.  
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LT-200 Series  
Uncrating  
B
A
Using a reciprocating utility saw or equivalent, cut crate  
away from bottom skid. Remove crate. Remove shrink-  
wrap plastic.  
C
2. Cut banding from front and rear tractor axles. Cut  
banding from mower rollers. Remove mower from  
bottom skid.  
IMPORTANT NOTE  
When cutting crate from bottom skid, use  
caution around tractor tires and mower  
rollers.  
3. Hold brake pedal down (B, Figure 1) and push down  
on parking brake knob (C) to release parking brake.  
D
4. Place hydro release lever in the PUSH position by  
pulling the release lever handle (D) back until it locks  
in the released position.  
Figure 1. Engaging the Parking Brake  
A. Ground Speed Pedals  
B. Brake Pedal  
C. Parking Brake Knob  
D. Hydro Release Lever  
5. Be sure there are no nails or sharp objects on bottom  
skid to puncture the tractor’s tires. Roll the tractor  
forward off the skid.  
A
Battery Charging &  
Installation  
D
WARNING  
BATTERY SAFETY RULES  
B
• Battery acid causes severe burns. Avoid contact  
with skin.  
C
• Wear eye protection while handling the battery.  
• To avoid an explosion, keep flames and sparks  
away from battery, especially while charging.  
• When installing battery cables, CONNECT THE  
POSITIVE (+) CABLE FIRST and negative (-) cable  
last. If not done in this order, the positive  
terminal can be shorted to the frame by a tool.  
E
Figure 2. Battery Maintenance  
A. Negative Cables  
B. Positive Cables & Cover  
C. Hold-Down Rod  
D. Wingnut & Washer  
E. Battery  
Charge Battery  
1. Open the tractor hood to access the battery (E, Figure  
2).  
2. Loosen the wingnut & washer (D).  
Install Battery  
3. Pivot the hold-down rod (C) up and away from battery  
and secure.  
1. Reinstall the battery (E) in the battery compartment,  
and secure with the battery hold-down rod (C) and  
wingnut & washer (D).  
4. Remove the battery (E).  
2. Reattach the battery cables, positive cables first (B)  
then the negative cables (A).  
2. To charge the battery, follow the instructions provided  
by the battery charger manufacturer as well as all  
warnings included in the safety rules section of this  
document. Charge the battery until fully charged. Do  
not charge at a rate higher than 10 amps.  
3. Coat the cable ends and battery terminals with  
petroleum jelly or non-conducting grease.  
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LT-200 Series  
Check Fluid  
Levels  
B
D
Check Transmission Oil Level  
The K46 transmission is a sealed unit that is shipped with  
the correct oil level. However if a transmission’s oil level  
is suspect it can be checked. See Transmission  
Maintenance.  
C
Fill & Check Engine Oil  
Service Interval: Before each use, and every 8 hours.  
1. Turn the engine off, and set the parking brake to  
PARK.  
2. Clean the area around the dip stick (C, Figure 3).  
3. Remove the dip stick (C) and clean it with a paper  
towel.  
A
4. Insert the dip stick (C) back into the engine and  
thread the cap back onto the tube.  
Figure 3. Briggs & Stratton two cylinder Models  
A. Oil Drain Valve  
B. Oil Filter  
C. Dip Stick  
D. Checking Oil Level  
5. Remove the dip stick and read the oil level. The oil  
level should be between the “FULL” and “ADD” marks  
(D). If not, add oil according to the oil  
recommendations chart (Figure 39 or 40).  
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LT-200 Series  
Perform  
Safety Checks  
Safety Interlock System  
Tests  
WARNING  
This unit is equipped with safety interlock switches and other  
safety devices. These safety systems are present for your  
safety: do not attempt to bypass safety switches, and never  
tamper with safety devices. Check their operation regularly.  
Disengage the PTO, stop the engine, set the parking  
brake, and wait for moving parts to stop before  
leaving operator's position for any reason.  
If the tractor does not pass the test, do not  
operate tractor. Under no circumstance should  
you attempt to defeat the purpose of the safety  
system.  
Operational SAFETY Checks  
Your unit is equipped with a seat switch safety system.  
Check the seat switch operation every fall and spring with the  
following tests.  
Functional Tests  
Test 1 — Engine should NOT crank if:  
• PTO switch is ON, OR  
1. Check the tractor for loose bolts, screws, nuts, etc.  
2. Start the engine and check all controls for proper  
operation: ground speed control pedals, clutch/brake  
pedal, parking brake, throttle and choke cables, electric  
PTO clutch, headlight switch, steering, attachment lift,  
etc.  
• Brake pedal is NOT fully depressed (parking brake OFF),  
Test 2 — Engine SHOULD crank if:  
• PTO switch is OFF, AND  
• Brake pedal is fully depressed (parking brake ON)  
Test 3 — Engine should SHUT OFF if:  
• Operator rises off seat with PTO engaged, OR  
3. Stop the engine and check for fluid leaks: oil, gasoline,  
or transmission oil.  
4. If any control fails to operate properly during testing or  
seems to be out of adjustment, check and readjust it  
according to the following Adjustments section.  
• Operator rises off seat with brake pedal NOT fully  
depressed (parking brake OFF).  
Test 4 — Blade Brake Check  
Mower Blade Stopping Check  
Mower blades and mower drive belt should come to a  
complete stop within five seconds after electric PTO switch is  
turned OFF (or operator rises off seat). If mower drive belt  
does not stop within five seconds, re-adjust the PTO clutch  
as described in the ADJUSTMENTS section or see your  
dealer.  
Mower blades and mower drive belt should come to a  
complete stop within five seconds after the electric clutch  
switch is turned off.  
With the tractor in neutral, the electric clutch switch  
disengaged, and an operator in the seat, start the tractor  
engine. Run the engine at full throttle. Engage the electric  
PTO clutch switch and wait several seconds. Disengage  
electric clutch switch and check the time it takes for the  
mower drive belt to stop. If the mower drive belt does not  
stop within five seconds, adjust the PTO clutch according to  
the instructions in the Electric Clutch Adjustment section.  
Test 5 — Reverse Mow Option (RMO) Check  
• Engine should shut off if: PTO is engaged AND RMO is  
not activated AND reverse pedal is depressed.  
• RMO light should illuminate if: RMO is engaged AND  
PTO switch is activated.  
NOTE: Once the engine has stopped, the PTO switch must  
be turned off after the operator returns to the seat in order to  
start the engine.  
Seat Switch Connection  
Check that the seat switch (A, Figure 4) is connected to  
the seat switch wire harness (B).  
WARNING  
A
B
If the unit does not pass a safety test, do not  
operate it. See RMO Switch Adjustment. Under  
no circumstance should you attempt to defeat  
the purpose of the safety interlock system.  
Figure 4. Seat Switch  
A. Seat Switch  
B. Wiring Harness  
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LT-200 Series  
Torque Mower Blades  
WARNING  
For your personal safety, do not handle the sharp  
mower blades with bare hands. Careless or  
improper handling of blades may result in serious  
injury.  
B
A
C
D
WARNING  
For your personal safety, blade mounting  
capscrews must each be installed with two spring  
washers or a hex washer and spring washer, then  
securely tightened. Torque blade mounting  
capscrew to 45 - 55 ft. lbs. (61 - 75 Nm).  
Figure 5. Blade Torque  
A. 4x4 Wood Block  
B. Spline or Hex Washer  
C. Spring Washer  
D. Blade Bolt  
1. Secure the hex washer (B, Figure 5), spring washer  
(C) and capscew (D). Use a wooden block (A) to  
prevent blade rotation while tightening the blade bolt  
(D) to 45-55 ft. lbs. (61-75 Nm).  
Reduce & Check Tire  
Pressures  
The tires are over-inflated for shipping purposes. Inflate  
to the pressures shown. Note that these pressures may  
differ slightly from the “Max Inflation” stamped on the  
side-wall of the tires. The pressures shown provide  
proper traction, improve cut quality, and extend tire life.  
Size  
PSI  
bar  
0.68  
22 x 1.0-8  
15 x 6.0-6  
10  
Burnishing the Electric  
PTO Clutch  
1. Select a safe area to operate the mower deck. With  
the drive in neutral, the PTO switch disengaged, and  
an operator in the seat, start the tractor engine. Run  
the engine at full throttle.  
12-14  
0.82-0.96  
Figure 6. Tire Pressure  
2. Engage the PTO switch and run the deck for fifteen  
seconds. Disengage the PTO switch and wait for the  
mower drive belt to stop.  
3. Repeat step 2 above ten times, and then re-check the  
mower blade stopping time. (Stopping time must be  
five seconds or less.)  
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LT-200 Series  
Lubrication  
Oil:  
Lubricate the unit at the locations shown in Figures 7-10  
as well as the lubrication points listed. Generally, all  
moving metal parts should be oiled where contact is  
made with other parts. Keep oil and grease off belts and  
pulleys. Wipe surfaces clean before and after  
lubrication.  
• foot pedal rods & brackets  
• seat adjustment assembly  
• draglink  
• mower deck height adjustment linkage  
• manual lift lever  
• transmission idler assembly  
Grease:  
• steering linkage  
• mower linkage  
• front axle shafts (remove wheel hubs)  
• rear axle shafts (remove wheel hubs)  
Use grease fittings when present. Automotive  
lithium grease is recommended.  
Figure 7. Lubricating  
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LT-200 Series  
Hourmeter  
HOURMETER MODELS  
The hour meter measures the number of hours the key  
has been in the RUN position. This hourmeter can not  
be reset and does not have a maintenance reminder.  
1/10  
HOURS  
Figure 8. Mower Lubrication Points  
Figure 11. Hourmeter - Select Models  
Figure 9. Mower Lubrication Points  
Figure 10. Arbor Lubrication Point  
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LT-200 Series  
Mower Deck Removal &  
Installation  
C
D
WARNING  
Engage parking brake, disengage PTO, stop  
engine and remove key before attempting to  
install or remove the mower.  
B
Removing the Mower Deck  
A
1. Park tractor on a hard, level surface such as a  
concrete floor. Turn off PTO switch and engine,  
remove the key and apply parking brake.  
Figure 12. Lift Arms  
(Viewed from underneath right side of tractor)  
A. Mower Lift Channels  
B. Tractor Lift Arm  
C. Washer  
D. Hair Pin  
2. Place wood blocks under the mower deck. Place the  
attachment lift in the lowest position.  
A
B
CAUTION  
Stored energy device. Mowers have spring lift  
assist. Lift lever must be in lowest cutting  
position and mower on support blocks to avoid  
injury when removing or installing mower  
mounting hardware.  
3. Move idler arm (A, Figure 13) to relieve belt tension.  
Remove belt from PTO pulley (B).  
4. Remove hair pin (D, Figure 12) and washer (C).  
Disconnect the mower lift channels (A) from the  
tractor lift arms (B). Re-install washers (C) and hair  
pins (D) to prevent loss.  
Figure 13. Removing & Installing Belt  
A. Idler Arm  
B. PTO Pulley  
CAUTION  
The muffler and surrounding areas may be hot.  
B
D
5. Turn wheels straight ahead. Support the mower  
hanger (C, Figure 14). Remove safety clip (A) and  
rod (B). Lower the mower hanger (C).  
D
6. Turn wheels fully left, and slide mower deck out right  
side of tractor.  
C
Installing the Mower Deck  
1. Park tractor, shut off PTO and engine, remove the  
key and apply parking brake. Turn the wheels fully to  
the left.  
A
2. Place mower height adjuster in the lowest cutting  
position. Place the mower lift lever in the lowest  
position, also. Slide mower deck under right side of  
tractor so that mower hitch is aligned with the front  
tractor hitch.  
Figure 14. Mower Hitch  
A. Safety Clip  
B. Rod  
C. Mower Hanger  
D. Tractor Brackets  
4. Connect the mower lift channels (A, Figure 12) to the  
tractor lift arms (B). Install washers (C) and hair pins  
(D).  
3. Turn wheels straight. Lift the mower hanger (C,  
Figure 14). Insert rod (B) through mower hanger (C)  
and tractor brackets (D). Secure with safety clip (A).  
5. Move idler arm (A, Figure 13) to relieve belt tension.  
Install belt onto the PTO pulley (B).  
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LT-200 Series  
WARNING  
Before checking mower, shut off PTO and engine,  
remove the key, and allow all moving parts to  
stop.  
Leveling The Mower  
A
If the cut is uneven, the mower may need leveling.  
Unequal or improper tire pressure may also cause an  
uneven cut. Make sure tire pressure is correct as  
specified in Checking Tire Pressure.  
SIDE-TO-SIDE LEVELING  
1. With the mower installed, place the tractor on a  
smooth, level surface such as a concrete floor. Turn  
the front wheels straight forward.  
B
2. Check for bent blades and replace if necessary.  
3. Place the mower in mid-cut position. Arrange the  
outside mower blades so that they are pointing from  
side-to-side.  
Figure 15. Leveling The Mower Side-to-Side  
A. Lift Rod  
B. Locknut  
4. Measure the distance between the outside tips of  
each blade and the ground. If there is more than 1/8”  
(3mm) difference between the measurements on  
each side, proceed to step 5. If the difference is 1/8”  
(3mm) or less, proceed to step 6.  
5. Turn the locknut (B, Figure 15) to raise or lower that  
side of the mower.  
FRONT-TO-BACK LEVELING  
6. Arrange the blades so they face front-to-back.  
7. Measure the distance from the ground to the front tip  
of the center blade, and from the ground to rear tips  
of left-hand and right-hand blades.  
Note: Front tip of the center blade should be 1/4" (6mm)  
higher than rear tips of left-hand and right-hand blades.  
If not, proceed with step 8.  
B
A
8. To raise front of mower deck, tighten locknuts (A,  
Figure 16) and against spacers (B). To lower front of  
mower deck, loosen locknuts (A). Locknuts must be  
turned evenly on both sides to keep deck level.  
B
A
Figure 16. Leveling The Mower Side-to-Side  
A. Locknuts  
B. Spacers  
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LT-200 Series  
Adjustment  
Procedures  
Gauge Wheels  
WARNING  
Before checking mower, shut off PTO and engine,  
remove the key, and allow all moving parts to  
stop.  
A
B
D
NOTICE  
E
DO NOT remove the mower deck baffles. The  
baffles help prevent grass clippings from  
becoming airborne and plugging up the engine  
cooling fins.  
C
Figure 17. Fixed Bracket Gauge Wheel Adjustment  
A. Gauge Wheel Bracket  
B. Locknut  
C. Gauge Wheel  
D. Washer  
E. Shoulder Bolt  
The mower gauge wheels can be placed in several  
positions depending on the height of cut. When using  
higher cutting heights, set the wheels in the lower  
position. When using lower cutting heights, set the  
wheels in the upper position. To adjust:  
1. Remove the locknut (B, Figure 17), gauge wheel (C),  
washer (D), and shoulder bolt (E). Change position of  
gauge wheel to desired height.  
2. Insert shoulder bolt (E) through washers (D) gauge  
wheel (C), and gauge wheel bracket (A). Secure with  
locknut (B). Repeat steps 1 & 2 for all gauge wheels.  
Seat Adjustment  
A
Seat Slide Adjustment  
The seat can be adjusted forward and back. Move the  
lever (A, Figure 18), position the seat as desired, and  
release the lever to lock the seat into position.  
Figure 18. Seat Adjustment  
A. Seat Adjustment Lever  
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LT-200 Series  
Electric PTO Clutch  
Adjustment  
Check the PTO clutch adjustment after 250 hours of  
operation. Also perform the following procedure if the  
clutch is slipping or will not engage.  
A
B
1. Remove key from ignition switch and disconnect  
spark plug wires to prevent the possibility of  
accidental starting while the PTO is being adjusted.  
2. See Figure 20. Note the position of the 3 adjustment  
windows (A) in the side of the brake plate and the  
nylock adjustment nuts (B).  
B
3. Insert a .012” feeler gauge through each window,  
positioning the gauge between the rotor face and the  
armature face as shown in Figure 20.  
B
4. Alternately tighten the adjustment nuts (B, Figure 19)  
until the rotor face and armature face just contacts the  
gauge.  
5. Check the windows for an equal amount of tension  
when the gauge is inserted and removed, and make  
any necessary adjustments by tightening or loosening  
the adjustment nuts.  
Figure 19. PTO Clutch Adjustment  
A. Adjustment Window (Qty. 3, one shown)  
B. Adjustment Nuts  
Adjustment  
Nut  
NOTE: The actual air gap between the rotor and  
armature may vary even after performing the adjustment  
procedure. This is due to dimensional variations on  
component parts, and is an acceptable condition.  
Window  
6. Check the mower blade stopping time. The mower  
blades and mower drive belt should come to a  
complete stop within five seconds after the electric  
PTO switch is turned off (see MOWER BLADE  
BRAKE STOPPING CHECK, Page 6).  
.012”  
Feeler  
Gauge  
(3) Places  
Required  
Figure 20. Feeler Gauge Position  
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LT-200 Series  
Mower Belt Replacement  
D
To avoid damaging belts, DO NOT PRY  
BELTS OVER PULLEYS.  
A
Note: It is not necessary to remove the mower to install a  
new belt. However, for easier access mower can be  
removed. See Mower Removal in the Operation section.  
B
C
1. Park the tractor on a smooth, level surface such as a  
concrete floor. Disengage the PTO, turn off the  
FRONT  
engine and lock the parking brake. Remove the key.  
2. If mower is not removed, lower the mower lift and  
place the mower in the lowest cutting position.  
Left Side of Mower  
3. Push the idler arm (A, Figure 21) to relieve belt  
tension. Drop the belt from the PTO (electric clutch)  
pulley.  
Figure 21. Typical Mower Belt Routing Three Blade  
Decks  
A. Idler Pulley Arm  
C. Belt Stop Bracket  
IMPORTANT: Note the position of all belt guides relative  
to the belt and pulleys before loosening.  
B. PTO Pulley (Engine) D. Idler Pulley Belt Guide  
4. Some Models: Loosen the belt stop bracket(s) (C,  
Figure 21).  
5. Remove the old belt and replace with a new belt.  
Make sure V-side of belt runs in arbor pulley grooves  
and the flat backside runs against the idler pulley.  
6. Some Models: Position the belt stop bracket(s) (C,  
Figure 21) in their original positions. There must be  
1/8” clearance between the belt stop and the pulleys.  
7. Position the idler pulley belt guide (D) in its original  
position up against arm (A) so that there is a 1/8" gap  
between the pulley and belt guide.  
8. Install mower on tractor if it was removed.  
9. Run the mower under no-load condition for about 5  
minutes.  
SNAPPER® and SNAPPER PRO®  
are trademarks of Briggs & Stratton  
Yard Power Group, WI USA.  
Snapper Products  
535 Macon St.  
McDonough, GA 30253  
Copyright © 2007 Briggs & Stratton Corporation  
Milwaukee, WI USA.  
All rights reserved.  
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