Common trouble and elimination
6-6
Front axle and steering system
Fault
symptom
Possible cause
Eliminating method
Steering
wheel
shimmy
1.
The steering system
1)
Steering gear housing bolt or
steering column supporting
loose
2)
Looseness of the steering
connection point
3)
Excessive clearance of the
steering gear housing
2.
The front axle
1)
Unbalance or abrasion of the
rim, the spoke and the wheel
2)
Abrasion of the front wheel
bearing
3)
Excessive abrasion of the king
pin or the bushing
4)
Deformation of the knuckle
5)
Improper wheel alignment
1
）
Tighten to specified torque
2
）
Adjust the junction
3
）
Adjust the clearance
1
）
Balance all the components and
replace faulted components.
2
）
Replace the bearing
3
）
Adjust or replace the faulted parts
4
）
Replace the knuckle
5
）
Check and adjust the wheel
alignment
Summary of Contents for XMQ6900 Series
Page 19: ...Operation Instruction 3 1 Figure 17 Set MotPPR Figure 18 Clear Trip A Figure 19 Clear Trip B...
Page 31: ...Operation Instruction 3 3 CC350 355 series A C Operation...
Page 32: ...Operation Instruction 3 3...
Page 33: ...Operation Instruction 3 3...
Page 34: ...Operation Instruction 3 3...
Page 35: ...Operation Instruction 3 3...
Page 44: ...Operation Instruction 3 4 1 9 Retarder operation...
Page 45: ...Operation Instruction 3 4 Section 1 1 2 1 10 Stopping parking...
Page 49: ...Operation Instruction 3 4 1 14 1 Emergency operation...
Page 50: ...Operation Instruction 3 5 WABCO ABS BASIC INTRODUCTION...
Page 51: ...Operation Instruction 3 5...
Page 52: ...Operation Instruction 3 5...
Page 53: ...Operation Instruction 3 5...
Page 54: ...Operation Instruction 3 5...
Page 55: ...Operation Instruction 3 6 ECAS System Introduction for tourist bus use 1 System introduction...
Page 56: ...Operation Instruction 3 6 3 System function...
Page 57: ...Operation Instruction 3 6...
Page 169: ...Appendix 7 6 Air braking schematic diagram...
Page 170: ...Appendix 7 7 Electric schematic diagram of the complete car 1...
Page 171: ...Appendix 7 7 Electric schematic diagram of the complete car 2...
Page 172: ...Appendix 7 7 Electric schematic diagram of the complete car 3...
Page 173: ...Appendix 7 7 Electric schematic diagram of the complete car 4...
