Common trouble and elimination
C-14
There has oil
spillage in the
steering oil
tank
1.
Clogging of the strainer or the
filter element
2.
There has air in the pipeline
1.
Clean the filter strainer or replace
the filter element
2.
Add the oil and make the
exhaustion
Braking system
Fault
symptom
Possible cause
Eliminating method
Unsmooth
of the
wheel
1.
There has compressed air inside
the braking chamber
2.
Improper lubrication of the
camshaft or improper return of
the adjusting arm
3.
Brake shoe or chamber return
spring fatigued or broken
4.
The spring braking takes effect
5.
Clogging of the exhaust port in
the quick release valve
6.
Brake valve primary or
secondary piston return failure
1.
Check and adjust the exhaust valve
of the quick releasing valve
2.
Adjust the faulted parts
3.
Replace the faulted parts
4.
Eliminate causes of the spring
braking unreleased
5.
Disassemble and clean the faulted
parts
6.
Disassemble and clean the braking
valve and replace the faulted parts
as needed
There has
abnormal
sound
when
troddening
the brake
pedal
1.
The clincher or the bolt is
projected because of abrasion of
the braking friction lining
2.
Surface hardening of the
friction lining
3.
Deterioration of the friction
lining
4.
Improperly contact between the
brake shoe and the friction
lining
5.
Uneven abrasion of the brake
drum internal surface or weak
installation
6.
Looseness of the brake shoe
supporting
7.
Abrasion of the hub bearing
8.
Deformation of the brake drum
1.
Replace the friction lining
2.
Replace the friction lining
3.
Replace the friction lining
4.
Rivet the rivet or tighten bolt
5.
Adjust or tighten the brake drum
6.
Adjust the clearance between the
brake shoes and tighten the
supporting pin locknut
7.
Replace the hub bearing
8.
Adjust or replace the brake drum
Summary of Contents for XMQ6900J series
Page 116: ...Common trouble and elimination C 16 Fault symptom Possible cause Eliminating method speed...
Page 128: ...Appendix A 4 Air braking schematic diagram...
Page 129: ...Appendix A 4 Electric schematic diagram of the complete vehicle 1...
Page 130: ...Appendix A 4 Electric schematic diagram of the complete vehicle 2...
Page 131: ...Appendix A 4 Electric schematic diagram of the complete vehicle 3...
Page 132: ...Appendix A 4 Electric schematic diagram of the complete vehicle 4...
