NOTE:
The illustration shows a representing model. Perform the same procedures for the other models.
1. Facing wear
Measure the depth from the facing surface to the rivet head. Replace if the face is worn locally or worn down to less than the specified value.
Depth to rivet head:
Limit of sinking
0.3 mm (0.012 in)
NOTE:
Do not wash the clutch disc with any type of cleaning fluid.
2. Hardened facing
Replace the clutch disc.
3. Oil soakage on facing
Replace the clutch disc and inspect the transmission front oil seal, transmission case mating surface, engine rear oil seal and other locations for oil leakage.
|
(A) |
Clutch facing |
4. Deflection on facing
If deflection exceeds the specified value at the outer circumference of the facing, replace the clutch disc.
| ST 499747100 | CLUTCH DISC GUIDE |
Limit for deflection:
Gasoline engine model
0.7 mm (0.028 in) at R = 110 mm (4.33 in)
Diesel engine model
1.0 mm (0.039 in) at R = 110 mm (4.33 in)
5. If there is spline wear, loose rivets, failed damper springs, etc., replace the clutch disc.
|
(A) |
Spline |
|
(B) |
Rivet |
|
(C) |
Damper spring |
NOTE:
• Visually check the following items without disassembling, and replace or repair if defective.
• The illustration shows a representing model. Perform the same procedures for the other models.
1. Loose thrust rivet
2. Damaged or worn bearing contact area at the center of diaphragm spring
|
(A) |
Thrust rivet |
|
(B) |
Diaphragm spring |
3. Damaged or worn disc contact surface of the pressure plate
4. Loose strap plate installation area
5. Worn diaphragm sliding area
|
(A) |
Pressure plate |
|
(B) |
Strap plate |