Inspection

INSPECTION

Snap rings and spring retainer
- Check for deformation, fatigue or damage.

Forward clutch and overrun clutch return springs





- Check for deformation or damage.





- Measure free length and outer diameter.
- Replace if deformed or fatigued.





Forward clutch and overrun clutch drive plates
- Check facing for burns, cracks or damage.
- Measure thickness of facing.

Thickness of drive plate:
Forward clutch
Standard value: 1.8 mm (0.011 in)
Wear limit: 1.6 mm (0.063 in)
Overrun clutch
Standard value: 1.6 mm (0.063 in)
Wear limit: 1.4 mm (0.055 in)

- If not within wear limit, replace.





Forward clutch and overrun clutch dish plates
- Check for deformation or damage.
- Measure thickness of dish plate.

Thickness of dish plate "t":
Forward clutch: 2.5 mm (0.098 in)
Overrun clutch: 2.15 mm (0.0846 in)

- If deformed or fatigued, replace.





Forward clutch drum
- Make sure check balls are not fixed.
- Apply compressed air to check ball oil hole from outside of forward clutch drum to make sure air leaks past ball.
- Apply compressed air to oil hole from inside of forward clutch drum to make sure there is no air leakage.





Over run clutch piston
- Make sure check balls are not fixed.
- Apply compressed air to check ball oil hole opposite the return spring to make sure there is no air leakage.
- Apply compressed air to oil hole on return spring side to make sure air leaks past ball.