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, shut off the
engine, and lower the cutting units to the ground.
2.
Jack up the machine until all the tires are off the
ground; refer to
Raising the Machine (page 53)
.
Support the machine with jack stands to prevent
it from falling accidentally.
3.
On the right side of the hydrostat, loosen the
locknut on the traction-adjustment cam (
g004147
Figure 84
1.
Locknut
2.
Traction-adjustment cam
WARNING
The engine must be running so that you
can make the final adjustment on the
traction adjustment cam. This could
cause personal injury.
Keep your hands, feet, face, and other
body parts away from the muffler, other
hot parts of the engine, and any rotating
parts.
4.
Turn the key in the switch to the O
N
position,
start the engine, and rotate the cam hex in either
direction until the wheels cease rotation.
5.
Tighten the locknut to secure the adjustment.
6.
Turn the key in the switch to the O
FF
position,
remove the jack stands, and lower the machine
to the ground.
7.
Test drive the machine to make sure that it does
not creep.
Adjusting the Rear Wheel
Toe-in
Service Interval:
Every 800 hours
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
(
).
Note:
The end of the tie rod with the external
groove is a left-hand thread.
g031686
Figure 85
1.
Wrench slot
3.
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.
Note:
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.
62
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