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Important:
Make sure that the spring
washers are installed correctly as shown in
Figure
67.
5.
Install the dust cap
Figure 67
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
engages consistently, you can remove the shim can
be removed to extend the clutch life.
Figure 68
1. Armature
2. Field shell
3. Rotor
4. Brake-mounting bolt
(Figure
67).
3. Dust cap
5. Brake spacer
6. Re-gap shim
7. Brake pole
Removing the Clutch Shim
1.
Shut off the engine, wait for all moving parts to
stop, remove the key, engage the parking brake,
and allow the machine to cool completely.
2.
Using an air compressor, blow out any debris
from under the brake pole and around the brake
spacers
(Figure
g001297
3.
Check the condition of the wire-harness leads,
connectors, and terminals.
Note:
Clean or repair as necessary.
4.
Verify that 12 V is present at the clutch connector
when you engage the blade-control switch
(PTO).
5.
Measure the gap between the rotor and
armature. If the gap is greater than 1 mm (0.04
inch), do the following steps:
A.
Loosen both brake-mounting bolts 1/2 to 1
full turn as shown in
Note:
the field shell/armature. The brake pole
has worn to match the armature and must
continue to match after you remove the
shim to ensure proper brake torque.
g010869
1. Brake-mounting bolt
52
69).
Figure 69
Figure
70.
Do not remove the brake pole from
Figure 70
g010868
g010870
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