Page 486 - Foton Workshop Manual - Auman EST-M

DI - 432 Diagnosis - Mechanical fault diagnosis

Failure phenomenon Possible reason Failure elimination

Adjust the free pedal travel, adjust the
1. The free pedal travel is too small
push rod clearance of booster
2. The clutch pedal assembly is blocked or Repair or replace the defective part,
the release bearing is blocked with release check the transmission gear, and make
bearing sleeve appropriate adjustment
3. The friction plate of driven disc is worn or Replace the friction plate or driven disc
Clutch skidding failure burnt assembly
4. The friction plate of driven disc contains Replace the driven disc assembly and
oil or grease repair the leakage
5. The elasticity of clutch spring reduces or
Replace the plate
the spring is broken
6. Plate or flywheel warped change
7. Master cylinder and wheel cylinder failure Repair or replace
Replace the driven disc and repair the
1. The friction plate contains oil or grease
leakage
2. The friction plate of driven disc is warped
Replace the driven disc assembly
or the driven disc rivet gets loose
3. The friction plate surface is hardened Repair or replace

4. The elasticity of absorber spring on the
Replace the clutch plate
clutch plate reduces or the spring is broken
5. The spring elasticity reduces Replace the clutch plate
Clutch shaking failure 6. Plate or flywheel warped Repair or replace
7. The input shaft front bearing of Replace or lubricate the input shaft
transmission is worn or cracked front bearing of transmission
Replace the flywheel or repair its
8. Flywheel warpped or dirty
surface
Tighten the loose bolts to the required
9. Engine suspension loose or broken
value
10. The fixing bolts of transmission housing Tighten the loose bolts to the required
or flywheel get loose, etc. value

1. The separating bearing of clutch misses Replace the broken separating bearing
oil or is broken of clutch
2. The separating bearing of clutch misses
Repair or replace the friction plate
oil or is broken
Clutch abnormal noise failure 3. Misoperation or clutch not separated fully Change bad operating habits
4. The clutch is half-engaged due to friction
Replace the friction disc
plate during running
5. Screws or other foreign matters get into
Eliminate the impurities in the clutch
the clutch

DI-432