Contents: Clutch housing cover ⤓ Clutch disc ⤓
Clutch housing cover
1. Check the end of the diaphragm spring for wear and uneven height. Replace the clutch housing cover with a new one if excessive wear or height difference is found to be exceeded. Maximum allowable value: 0.5 mm.
2. Check the pressure plate for wear, cracks and material fatigue.
3. Check the diaphragm spring rivets for looseness and replace the clutch housing cover if necessary.
Clutch disc
1. Check the friction surface for loose rivets, uneven fit, traces of corrosion, contamination with oil and grease, and replace the clutch disc if necessary.
2. Measure the depth of the rivet head and replace the clutch disc if it is below the maximum permissible value (Figure 11.8). Maximum permissible value: minimum 0.3 mm.
Figure 11.8. Checking the rivet head depth
3. Check the clearance and absence of damage of the torsion spring. If defects are found, replace the clutch disc.
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4. Check the bearing for signs of corrosion, damage, operating noise and for uniform rotation. The contact surface with the membrane spring is also checked for wear.
5. The bearing should be replaced if excessive wear is detected on the contact surface with the clutch release fork.