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Drive System
Maintenance
Adjusting the Traction Drive
for Neutral
The machine must not creep when the traction pedal is
released. If it does creep, adjust as follows:
1. Park the machine on a level surface, stop the engine,
and lower the cutting units to the floor.
2. Jack up the front of the machine until the front tires
are off the shop floor. Support the machine with jack
stands to prevent it from falling accidentally.
Note: On 4 wheel drive models, the rear tires must
also be off the shop floor
3. On the right side of the hydrostat, loosen the locknut
on the traction adjustment cam
Figure 62
1. Locknut
WARNING
The engine must be running so the final
adjustment of the traction adjustment cam
can be performed. This could cause personal
injury.
Keep hands, feet, face, and other body parts
away from the muffler, other hot parts of the
engine, and any rotating parts.
4. Start the engine and rotate the cam hex in either
direction until the wheels cease rotation.
(Figure
62).
2. Traction adjustment cam
5. Tighten the locknut to secure the adjustment.
6. Stop the engine. Remove the jack stands and lower the
machine to the shop floor.
7. Test drive the machine to make sure it does not creep.
Adjusting the Rear Wheel
Toe-in
1. Rotate the steering wheel so that the rear wheels are
straight ahead.
2. Loosen the jam nut on each end of the tie rod
63).
Note: The end of the tie rod with the external groove
is a left hand thread.
1. Jam nut
2. Tie rod
3. Using the wrench slot, rotate the tie rod
4. Measure the distance at the front and rear of the rear
wheels at axle height. The distance at the front of the
rear wheels should be less than 6 mm (1/4 inch) of the
distance measured at the rear of the wheels.
5. Repeat procedure as required.
45
Figure 63
3. Wrench slot
(Figure
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