Clutch: Testing and Inspection

Reverse Clutch

INSPECTION

Reverse clutch snap ring and spring retainer
^ Check for deformation, fatigue or damage.

Reverse clutch return springs

Inspection Standard:

^ Check for deformation or damage. Also measure free length and outside diameter.

Reverse clutch drive plates




^ Check facing for burns, cracks or damage.
^ Measure thickness of facing.
- Thickness of drive plate:
Standard value: 2.0 mm (0.079 in)
Wear limit: 1.8 mm (0.071 in)
^ If not within wear limit, replace.

Reverse clutch dish plate
^ Check for deformation or damage.

Reverse clutch piston




^ Shake piston to assure that balls are not seized.
^ Apply compressed air to check ball oil hole opposite the return spring to assure that there is no air leakage.
^ Also apply compressed air to oil hole on return spring side to assure that air leaks past ball.