Common trouble and elimination
C-6
Chassis constant fault and elimination
Clutch
Fault
symptom
Possible cause
Eliminating method
Abnormal
sound of the
clutch
1.The noise occurs when the clutch
disengages
1)
Flywheel support bearing stuck
2)
Release bearing stuck
2. The noise occurs when the clutch
engages
1)
Clutch driven disk worn
2)
Clutch torsion damping spring
broken
3)
Transmission bearing or gear broken
1
）
Replace the bearing
2
）
Replace the bearing
1
）
Replace the clutch driven disc
2
）
Replace the clutch driven disc
3
）
Replace the bearing or the gear
Clutch does
not
disengage
smoothly or
can not
disengage
1.
When operational travel of the clutch
pedal is correct
1)
Uneven or deformity of the clutch
pressure plate or the flywheel and
the driven disc
2)
Abrasion or clogging of the clutch
plate spline
3)
Cllogging of the flywheel supporting
bearing
4)
Pressure spring distorted
5)
Impurity in the clutch plate, the
pressure plate and the flywheel
6)
Distortion or breakdown of the
diaphragm spring
2.
The clutch pedal is in normal
operation but the pedal travel is too
large
1)
Too large of the clutch pedal pusher
stroke
2)
Abrasion of the pedal bushing, the
interlocking pin and the pin hole
3)
Too large of the clutch booster
pusher stroke
3.
Too small or no acting force when
operating clutch pedal
1
）
There has air in the liquid pipeline
Clutch master cylinder or booster
operates abnormally
1
）
Correct or replace faulted parts.
2
）
Repair or replace the clutch plate and
lubricate the moving region by
anti-high temperature grease
3
）
Replace the bearing
4
）
Replace the pressure spring
5
）
Remove and wash.
6
）
Check the distortion or the breakdown
and change the faulted parts
1
）
Adjust the travel to the given range
2
）
Make replacement
3
）
Adjust the travel to the given range
1
）
Exhausting
2
）
Disassemble and repair.
Summary of Contents for XMQ6120C series
Page 36: ...Technical parameter and complete vehicle description 0 K 1 Lock1 Lock 2 Lock 3 ...
Page 133: ...Appendix A 4 Air braking schematic diagram ...
Page 134: ...Appendix A 4 Electric schematic diagram of the complete vehicle 1 ...
Page 135: ...Appendix A 5 Electric schematic diagram of the complete vehicle 2 ...
Page 136: ...Appendix A 5 Electric schematic diagram of the complete vehicle 3 ...
Page 137: ...Appendix A 5 Electric schematic diagram of the complete vehicle 4 ...
