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Drive System
Maintenance
Adjusting the Control Bar
1. Check the gap between upper control bar and the fixed
bar with the wheel drive fully engaged. Ensure that
the gap is approximately 25-32 mm (1 to 1-1/4 inch)
(Figure
34).
Note: The upper control bar and fixed bar must be
parallel when the upper control bar is in the Engaged,
Drive, Neutral, or Brake position.
Figure 34
1. Upper control bar
2. Parking brake lever
3. Fixed control bar
2. Check the operation. If adjustment is required, remove
hairpin cotter, washer and clevis pin securing control
rod fitting to idler bracket
3. Thread the rod fitting up or down on the rod until the
proper position is attained and install the rod fitting
to the idler bracket with the clevis pin, washer, and
hairpin cotter.
4. Handle
5. 25-32 mm (1 to 1-1/4 inch)
gap
(Figure
35).
1. Control rod and fitting
2. 89 mm (3-1/2 inch)
3. Idler bracket
4. Clevis pin
Checking the Tire Pressure
Service Interval: Every 50 hours/Monthly (whichever
comes first)
Maintain the air pressure in the rear tires at 83 to 97 kPa (12
to 14 psi). Uneven tire pressure can cause an uneven cut
(Figure
36).
Note: The front tires are semi-pneumatic tires and do not
require air-pressure maintenance.
28
Figure 35
5. Washer
6. Hairpin cotter
7. Rod fitting
Figure 36
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