Common trouble and elimination
C-4
Exhaust with black smoke
Possible causes
Remedies
1) Intake clogged
1) heck and clean the air cleaner and intake passage.
2) Poor fuel quality
2) Use prescribed fuel.
3) Incorrect distribution timing
3) Adjust the distribution timing according to the instruction.
4) Bad atomization of injector
4) Check and repair or replace
5) The injector spray too much fuel
5) Check and adjust it accordion to the instruction.
6) Check and repair or replace
6) Check and repair leak in the pipe line and joints.
7) Faulty turbocharger
7) Check and replace the assembly.
8) middle cooler damaged and leaked
8) Repair or replace it
Exhaust with white and blue smoke
Possible causes
Remedies
1)
Poor quality fuel and too much water
in fuel
1) Replace the fuel.
2) Too low coolant temperature
2) Check the working temperature of the thermostat,
replace it if necessary.
3) Incorrect distribution
3) Check and adjust it.
4) Too low Pressure
4) Check the working temperature of the thermostat,
replace it if necessary.
5) Incorrect installing orientation of piston
rings
5) Check and reinstall correctly.
6) Running at low load for long time
6) Operate at proper speed and load
7) Seal ring of turbocharger worn-out
7) Check and replace it.
8) thrust bearing of turbocharger worn-out 8) Check and replace it.
9) Oil return pipe of turbocharger
9) Clean or repair it.
Summary of Contents for XMQ6127 series
Page 18: ...Operation Instruction CI 1 Figure 17 Set MotPPR Figure 18 Clear Trip A Figure 19 Clear Trip B...
Page 32: ...Operation Instruction P A 1 2 Control panel operation...
Page 33: ...Operation Instruction P A 1...
Page 34: ...Operation Instruction P A 1...
Page 35: ...Operation Instruction P A 1...
Page 36: ...Operation Instruction P A 1...
Page 41: ...Operation Instruction 0 G 1 1 1 2 2 Pushbutton Settings...
Page 42: ...Operation Instruction 0 G 1 1 2 Starting the Engine 1 3 Selecting the Gear...
Page 43: ...Operation Instruction 0 G 1 1 4 Setting Off 1 5 Driving Ranges...
Page 44: ...Operation Instruction 0 G 1 1 5 1 Downhill Travel 1 5 2 Downhill Travel 1 5 3 Kickdown...
Page 46: ...Operation Instruction 0 G 1 1 6 Stopping Parking...
Page 51: ...Operation Instruction 0 G 1 1 11 1 Limp Home Mode 1 12 Auxiliary Control Unit...
Page 52: ...Operation Instruction 0 G 1 1 12 1 Operating Instructions for the Auxiliary Control Unit...
Page 53: ...Operation Instruction 0 AB 1 WABCO ABS BASIC INTRODUCTION...
Page 54: ...Operation Instruction 0 AB 1...
Page 55: ...Operation Instruction 0 AB 1...
Page 56: ...Operation Instruction 0 AB 1...
Page 57: ...Operation Instruction 0 AB 1...
Page 58: ...Operation Instruction 0 EC 1 ECAS System Introduction 1 System introduction...
Page 59: ...Operation Instruction 0 EC 1 3 System function...
Page 60: ...Operation Instruction 0 EC 1...
Page 77: ...Operation Instruction 0 E 1 CAN bus module...
Page 158: ...Appendix A 4 Air braking schematic diagram...
Page 159: ...A 5 Electric schematic diagram of the complete vehicle 1...
Page 160: ...A 6 Electric schematic diagram of the complete vehicle 2...
Page 161: ...A 7 Electric schematic diagram of the complete vehicle 3...
Page 162: ...A 8 Electric schematic diagram of the complete vehicle 4...
