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Checking the Tire Pressure
Service Interval: Every 40 hours
Maintain the air pressure in the rear tires at 103 kPa
(15 psi). 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
does not require air pressure maintenance.
Figure 74
Note:
Do not add any type of tire liner or foam fill
material to the tires.
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 wheel hub.
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1. Slotted nut
Adjusting the Caster-Pivot
Bearing
Service Interval: Every 500 hours/Yearly (whichever
1.
Park the machine on a level surface, disengage
the blade-control switch (PTO), 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 caster and tighten
the locknut
4.
Tighten the locknut until the spring washers are
flat, and then back off a 1/4 turn to properly set
the preload on the bearings
Important:
washers are installed correctly as shown in
Figure
76.
52
Figure 75
comes first)
(Figure
76).
(Figure
Make sure that the spring
g027341
76).
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