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Drive System
Maintenance
Adjusting the Traction Drive
for Neutral
If the machine moves when the traction pedal is in the
neutral position, the traction cam must be adjusted.
1. Park the machine on a level surface and turn the
engine off.
2. Raise one front wheel and one rear wheel off of the
floor and place support blocks under the frame.
If the machine is not supported adequately, it
may accidentally fall, injuring anyone under
the machine.
One front wheel and one rear wheel must be
raised off of the ground or the machine will
move during adjustment.
3. Loosen the retaining screw on the opposite side of
the traction adjustment cam (Figure 45).
Figure 45
1. Traction adjustment cam
2. Retaining screw
3. Neutral return arm
4. Adjusting screw
5. Neutral return switch
The engine must be running so a final
adjustment of the traction adjustment cam can
be performed. Contact with hot or moving parts
can result in personal injury.
Keep hands, feet, face, and other body parts
away from the muffler, other hot parts of the
engine, and other rotating parts.
4. Start the engine and rotate the cam hex forward
until the front wheel starts to rotate, then rotate
hex cam backward until front wheel starts to rotate.
Determine the mid position of the neutral span and
tighten the retaining screw. Do procedure at low
speed idle and at high engine speed.
5. Tighten the screw securing the adjustment. Torque
to 15–18 ft–lb (20–24 N-m)
6. Stop the engine.
7. Adjust the screw on the neutral return arm
(Figure 45) until the gap between the end of the
screw and the switch contact is .090–.120 inch.
8. Remove the support blocks and lower the machine
to the shop floor. Test drive the machine to make
sure it does not move when the traction pedal is in
neutral.
Adjusting the Traction Pedal
The traction pedal can be adjusted for operator comfort
or to reduce the maximum reverse speed of the machine.
1. Check the traction pedal stop adjustment. The pedal
stop (Figure 46) should contact the frame slightly
before the pump reaches full stroke.
1. Traction pedal stop
41
Figure 46
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