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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 76
1. Slotted nut
Adjusting the Caster-Pivot
Bearing
Service Interval: Every 500 hours/Yearly (whichever
comes first)
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
(Figure
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
77).
(Figure
77).
Important:
washers are installed correctly as shown in
Figure
77.
5.
Install the dust cap
1. Spring washers
2. Locknut
Removing the Clutch Shim
Some later model year units have been built with
clutches that contain a brake shim. When the clutch
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brake has worn to the point where the clutch no longer
engages consistently, you can remove the shim to
extend the clutch life.
1. Armature
2. Field shell
3. Rotor
4. Brake-mounting bolt
57
Make sure that the spring
(Figure
77).
Figure 77
3. Dust cap
Figure 78
5. Brake spacer
6. Re-gap shim
7. Brake pole
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