Clutch Disc: Testing and Inspection

Checking For Wear





- Remove cap





- Measure distance "A" with a suitable gage
- Size new: 18 mm
- Wear limit: 34 mm

Checking Condition
- Inspect splines. Drive plate must slide easily on input shaft in axial direction without radial play.
- Check rivets and rubber torsion damper for cracks or damage. Replace drive plate when in doubt.
- Inspect clutch liners. If clutch liners are covered with oil, burnt, damaged or worn at spots, install a new drive plate.
- Check liner thickness of drive plates.
^ Drive plate with riveted liner:
Relaxed thickness: 8.1 ± 0.3 mm.
Relaxed wear limit: 6.3 mm for symmetrical wear.

NOTE: Clutch liners cannot be replaced.

- Check drive plate with liner for lateral runout. Max. permissible lateral runout 0.6 mm measured approx. 2 to 3 mm from outside diameter.