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Drive System
Maintenance
Adjusting the Control Bar
1. Check the gap between upper control bar and fixed
bar with wheel drive fully engaged. The gap should be
approximately 1 to 1-1/4 inch (25-32 mm) (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 positions.
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 (Figure 35).
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. 1 to 1-1/4 inch (25-32mm)
gap
1. Control rod and fitting
2. 3-1/2 inch (89 mm)
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 12-14 psi
(83-97 kPa). 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 pin
7. Rod fitting
8. Hole F
Figure 36
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