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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 wheel hub.
Figure 70
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 N
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 caster and tighten
the locknut
(Figure
4.
Tighten the locknut until the spring washers are
flat, and then back off 1/4 turn to properly set the
preload on the bearings
-
EUTRAL
LOCK
71).
(Figure
71).
Important:
washers are installed correctly as shown in
Figure
71.
5.
Install the dust cap
1. Spring washers
2. Locknut
Using the Clutch Shim
Some later model year units have been built with
clutches that contain a brake shim. When the clutch
brake has worn to the point where the clutch no longer
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engages consistently, the shim can be removed to
extend the clutch life.
1. Armature
2. Field shell
3. Rotor
4. Brake-mounting bolt
53
Make sure that the spring
(Figure
71).
Figure 71
3. Dust cap
Figure 72
5. Brake spacer
6. Re-gap shim
7. Brake pole
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