Inspection

NOTE: Inspect all parts and repair or replace as necessary.

DRIVE PLATE





1. Measure the facing thickness in three places, and determine the average of the three readings.

Standard: 0.063 inch (1.6 mm)
Minimum: 0.055 inch (1.4 mm)

2. If not within specification, replace the drive plate(s).

RETURN SPRING





1. Measure the spring free length.

Specifications:
Outer Diameter - 2.929 inch (74.4 mm)
Free Length - 1.594 inch (40.5 mm)
Number Of Coils - 1
Wire Diameter - 0.197 inch (5.0 mm)

2. If not within specification, replace the spring.

3-4 CLUTCH PISTON





1. Verify that there is not air leakage when applying compressed air through the oil hole opposite the return spring.
2. Verify that there is air flow when applying compressed air through the oil hole on return spring side.

Air pressure: 57 psi (392 kPa) maximum