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4. Verify that 12V is present at the clutch connector when
the PTO switch is engaged.
5. 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 one-half to
one full turn as shown in Figure 101.
Note: Do not remove the brake pole from the
field shell/armature. The brake pole has worn
to match the armature and needs to continue to
match after the shim is removed to ensure proper
brake torque.
Figure 101
1. Brake mounting bolt
B. Using needle nose pliers, or by hand, take hold of
the tab and remove the shim.
Important: Do not discard the shim until
proper clutch function has been confirmed
Figure 102
1. Shim
C. Using a pneumatic line, blow out any debris
from under the brake pole and around the brake
spacers.
D. Torque each bolt (M6 x 1) to 13 N-m (10 ft-lb)
+/- 0.7 N-m (0.5 ft-lb).
E. Using a 0.010 inch thick feeler gauge, verify that
a gap is present between the rotor and armature
face on both sides of the brake pole as shown.
Note: Due to the way the rotor and armature
faces wear (peaks and valleys) it is sometimes
difficult to measure the true gap.
•
If the gap is less than 0.010 inch,
then install the shim and refer to
Troubleshooting (page 65).
•
If the gap is sufficient, proceed to the safety
check in step F.
1. Feeler gauge
1. Feeler gauge
F. Perform the following safety check:
i. Sit on the seat and start the engine.
ii. Make sure the blades do not engage with
the PTO switch in the Off position and
the clutch disengaged.
If the clutch does not disengage,
reinstall the shim and reference the
Troubleshooting (page 65).
iii. Engage and disengage the PTO switch
ten consecutive times to ensure the clutch
is functioning properly. If the clutch
does not engage properly, reference the
Troubleshooting (page 65).
61
Figure 103
Figure 104
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