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9.
Tighten the locknut until the spanner bushing
bottoms against the inside of the caster forks
(Figure
68).
10.
Grease the fitting on the caster wheel.
Removing the Clutch Shim
Service Interval: Every 100 hours
When the clutch 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
1.
Park the machine on a level surface, disengage
the 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.
Using an air compressor, blow out any debris
under the brake pole and around the brake
spacers.
(Figure
Figure 69
5. Brake spacer
6. Shim.
7. Brake pole
Figure 70
4.
Check the condition of the wire-harness leads,
connectors, and terminals. Clean or repair them
as necessary.
5.
Verify that 12 V is present at the clutch connector
when the you engage the PTO switch.
6.
Measure the gap between the rotor and
armature. If the gap is greater than 1 mm (0.04
inch), proceed with the following steps:
A.
Loosen both brake mounting bolts 1/2 to 1
full turn as shown in
69).
Note:
the field shell/armature. The brake pole
has worn to match the armature and needs
to continue to match after you remove the
shim to ensure the proper brake torque.
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1. Brake-mounting bolt
B.
Using needle-nose pliers, or by hand,
remove the shim.
Note:
confirm that the clutch functions properly.
1. Shim
C.
Using a pneumatic line, blow out any debris
under the brake pole and around the brake
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spacers.
D.
Torque each bolt (M6 x 1) to 12.3 to 13.7
N∙m (9.5 to 10.5 ft-lb).
45
Figure
71.
Do not remove the brake pole from
Figure 71
Do not discard the shim until you
Figure 72
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