Page 487 - Foton Workshop Manual - Auman EST-M

Diagnosis - Mechanical fault diagnosis DI - 433

Failure phenomenon Possible reason Failure elimination IN

1. Clutch operating mechanism in poor
Reinforce lubrication for coordination DI
lubrication. The coordination place between
place of each shaft and hole
the shaft and hole does not rotate freely
EG
2. The operating control valve of clutch is Check the clutch boosting system.

broken Replace the broken parts
Clutch pedal heavy failure TR
3. The vent of control valve is blocked or the Check the working condition of various

rod is stuck. The dual power cylinder is valves. If necessary, dismount, check
not working well and clean the internal parts AX

4. The seal in the clutch cylinder is broken
change
and the piston is stuck FR

1. The clutch operating system is not
Adjust the free stroke and working
adjusted properly. The working stroke is too ST
stroke of clutch pedal
small
BR
2. The hydraulic operating system is lack of Add clutch oil and exhaust the clutch
oil or the air gets into it system
BW
3. The torsional absorber of clutch is broken Replace the driven disc

4. The input shaft of transmission is
Failure of clutch separation not change EL
damaged
complete

5. The friction plate of clutch driven disc
Replace the driven disc and repair the
gets loose or its surface is rugged or contains
leakage
oil stain

6. The separating fork seat of clutch is worn
change
or deformed

7. The fixing bolts between the clutch cover Tighten the loose bolts to the required

and flywheel are loose value

DI-433