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Figure 59
Left control lever shown
1. Control lever
2. Bolt
Checking the Tire Pressure
Service Interval: Every 50 hours/Monthly (whichever
comes first)
Maintain the air pressure in the rear tires at 13 psi (90 kPa).
Uneven tire pressure can cause uneven cut. Check the tires
when they are cold to get the most accurate pressure reading.
Note: The front tires are semi-pneumatic tires and do not
require air pressure maintenance.
Figure 60
g021421
3. Stop plate
Checking the Wheel Lug Nuts
Check and torque the wheel lug nuts to 90-95 ft-lb (122-129
N-m).
Checking the Wheel Hub
Slotted Nut
Service Interval: After the first 100 hours
Every 500 hours
See Figure 61 to determine which slotted nut has been
installed on the unit.
1. Style A (black finish)
2. .03 inch (.76 mm)
•
Style A (black finish):
Torque the slotted nut to 211-260 ft-lb (286-352 N-m).
Note: Do Not use anti-seize on wheel hub.
•
Style B (yellow zinc):
1. Remove and discard the cotter pin.
2. Torque the slotted nut to 200 ft-lb (271 N-m).
3. Check distance from bottom of slot in nut to inside
edge of hole. Two threads (0.1 inch) or less should
be showing.
1. 0.1 inch max
4. If more than two threads (0.1 inch) are showing
remove nut and install washer between hub and
nut.
5. Torque the slotted nut to 200 ft-lb (271 N-m).
44
Figure 61
3. Style B (yellow zinc)
4. .24 inch (6 mm)
Figure 62
2. No more than two threads
(0.1 inch max) should be
showing here.
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