Inspection

CLUTCH DISC AND CLUTCH COVER


Inspection


INSPECTION AFTER REMOVAL





- Measure circumferential runout relative to clutch disc center spline.
If it is outside the specification, replace clutch disc and clutch cover as a set.

Runout limit/diameter of the area to be measured : Refer to CL-24, "Clutch Disc". Clutch Disc

- Measure backlash to clutch disc spline and main drive gear spline at the circumference of clutch disc. If it is outside the specification, replace clutch disc and clutch cover as a set.

Maximum allowable spline backlash (at outer edge of disc) : Refer to CL-24, "Clutch Disc". Clutch Disc





- Measure the depth "A" to clutch disc facing rivet heads, using a calipers. If it exceeds the allowable wear limit, replace clutch disc and clutch cover as a set.

Facing wear limit (depth to the rivet head) "A" : Refer to CL-24, "Clutch Disc". Clutch Disc

- Check clutch cover thrust ring for wear or breakage. If wear or breakage is found, replace clutch disc and clutch cover as a set.

NOTE:
- Worn thrust ring will generate a beating noise when tapped at the rivet with a hammer.
- Broken thrust ring will make a clinking sound when cover is shaken up and down.
- If a trace of burn or discoloration is found on the clutch cover pressure plate to clutch disc contact surface, repair the surface with sandpaper. If surface is damaged or distorted, replace clutch disc and clutch cover as a set.

INSPECTION AFTER INSTALLATION





Check diaphragm spring lever claws for unevenness with the lever still on the vehicle. If they exceed the tolerance, adjust lever height, using the diaphragm adjusting wrench (A) [SST: ST20050240 ( - )].

Tolerance for diaphragm spring lever unevenness : Refer to CL-24, "Clutch Cover". Clutch Cover