Clutch cover
1. Clean the clutch cover from dust with a vacuum cleaner or cloth, do not use compressed air. Check seals for oil leaks. If found, replace seals.
2. The wear of the clutch pressure plate must be uniform over the entire surface. If the wear is uneven, then the clutch disc is deformed or installed incorrectly.
3. Check the friction surface of the flywheel for discoloration, damage, cracks and wear.
4. Clean the friction surface of the pressure plate with solvent
5. Measure the flatness of the clutch pressure plate. If the flatness value exceeds 0.5 mm, replace the pressure plate.
6. Check the pressure plate for wear, cracks and damage.
7. Check that the flywheel is properly seated on the dowel pins.
Driven disc
1. Avoid contamination of the working surfaces of the clutch disc. If the working surfaces are contaminated with oil or lubricants, replace the clutch disc.
2. Measure the depth of the rivets. Replace the clutch disc if the rivet depth is less than 0.3 mm.
3. Check the clutch disc bushing and spring groove for excessive wear.
Release bearing
1. Check the release bearing for binding, damage or excessive noise. Also check the contact points of the diaphragm spring for wear.
2. Replace the bearing in case of severe wear of the points of contact with the clutch release fork.
Clutch release fork
Replace the clutch release fork in case of severe wear at the points of contact with the cord release bearing.