Clutch Disc: Service and Repair
Removing and installing clutchTools
Preliminary work
1. Remove transmission.
Removing clutch
Note: The toothed segment 9538/1 must be bored to 15 mm to guarantee a perfect fit and to avoid damaging the thread in the crankcase.
1. Fasten toothed segment 9538/1 to the crankcase with an M12 x 50 hexagon-head bolt.
Note: To avoid deforming the clutch pressure plate, loosen and tighten the fastening screws in at least five steps in diagonally opposite sequence.
2. Detach thrust plate.
3. Remove thrust plate and drive plate.
Removing clutch
Note: The toothed segment 9538/1 must be bored to 15 mm to guarantee a perfect fit and to avoid damaging the thread in the crankcase.
1. Fasten toothed segment 9538/1 to the crankcase with an M12 x 50 hexagon-head bolt.
Note: To avoid deforming the clutch pressure plate, loosen and tighten the fastening screws in at least five steps in diagonally opposite sequence.
Note: When loosening the clutch pressure plate, ensure that the stop on the adjustment mechanism -arrow- is detached from the housing. The stop must dip loosely into the housing as far as the block. Press the stop towards the flywheel, if necessary.
2. Detach pressure plate.
3. Remove pressure plate and drive plate.
Installing clutch
Note:
Clean the friction surfaces of the flywheel and pressure plate prior to installation, e.g. with brake cleaner.
Surfaces of friction linings must be free from contamination, especially oil and grease.
1. Insert centering mandrel 9102 with drive plate into the guide bearing (needle sleeve).
Note: To avoid deforming the clutch pressure plate, loosen and tighten the fastening screws in at least five steps in diagonally opposite sequence.
2. Fit pressure plate.
3. Remove centering mandrel.
4. Remove toothed segment 9538/1.
Reworking
Subsequent work
1. Install transmission.