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8.
Tighten the stop plate
Figure 63
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 90 kPa
(13 psi). Uneven tire pressure can cause uneven cut.
To get the most accurate pressure reading, check the
tires when they are cold.
Note:
The front tires are semi-pneumatic tires and do
not require air pressure maintenance.
Figure 64
(Figure
63).
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3. Stop plate
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Checking the Wheel Lug
Nuts
Check and torque the wheel lug nuts to 122 to 129
N∙m (90 to 95 ft-lb).
Checking the Wheel Hub
Slotted Nut
Service Interval: After the first 100 hours
Every 500 hours
Check and ensure that the torque of the slotted nut is
286 to 352 N∙m (211 to 260 ft-lb).
Note:
Do not use anti-seize compound on the wheel
hub.
1. Slotted nut
Adjusting the Caster-Pivot
Bearing
Service Interval: Every 500 hours/Yearly (whichever
comes first)
1.
Disengage the blade-control switch (PTO), move
the motion-control levers to the neutral-locked
position, and engage the parking brake.
2.
Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3.
Remove the dust cap from the caster and tighten
the locknut
(Figure
4.
Tighten the locknut until the spring washers are
flat, then back off a 1/4 turn to properly set the
preload on the bearings
49
Figure 65
66).
(Figure
66).
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