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Page 38
CARE AND MAINTENANCE
PROCEDURE FOR ELECTRIC CLUTCH ADJUSTMENT
Electric clutches require periodic Air Gap adjustments for extended life. Listed below is
both an Air Gap adjustment procedure and an Ohms test to check for a faulty coil within the
clutch. No replacement parts are available to repair a faulty assembly. The entire clutch
must be replaced.
A. AIR GAP ADJUSTMENT
1.
It is not necessary to remove the clutch from the motor.
2. Locate the three holes in the brake plate, one
near each adjustment nut. (Figure 1)
3. Insert a .012 inch feeler gauge into one of the
three windows. Be careful to position the
feeler gauge between the rotor and armature
faces. (Figure 2)
4. Tighten the adjusting nut adjacent to the
window with the feeler gauge inserted until the
gauge fits snugly between the rotor and armature.
The gap should not be so tight that the feeler gauge
cannot be reinserted after removal.
5. Repeat Steps 5 and 6 at the other two windows.
6. Recheck the air gap at each window and make minor adjustments
as necessary to achieve a consistent .012 inch air gap.
B. OHMS TEST
1. Disconnect clutch from mower wiring
harness.
2. Attach the two leads on multi-meter to
the two wires coming from the electric
clutch.
3.
The reading you receive should be
between2.4 to 2.9 OHMS.
4.
If the resistance is outside this range
the clutch coil is faulty.
5. If the clutch coil is faulty, the clutch must be
replaced.
Figure 1
Figure 2