QUANCHAI N485D, Руководство по обслуживанию

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ANHUI QUANCHAI ENGINE CO., LTD
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Chapter 6 Fuel supply system .................................................................................................................. 74
1. Maintenance equipment and tools ................................................................................................ 74
2 Torque requirements and dimensional data ................................................................................... 74
Chapter 7 Disassembly, Assembly and Adjustment of Accessories ......................................................... 79
1. Data and dimensions .................................................................................................................... 79
2. Disassembly and assembly of gear chamber ................................................................................ 80
4. Atomization of nozzle .................................................................................................................. 82
Part 3 Inspection, Adjustment, Fault Diagnosis and Removal ........................................................................ 84
Chapter 1 Dynamic Checks ...................................................................................................................... 84
1. Overview ...................................................................................................................................... 84
2. Checks on engine oil level ............................................................................................................ 85
3. Checks on level and status of coolant ........................................................................................... 86
4. Checks on fan and belt ................................................................................................................. 87
5. Checks on fuel system .................................................................................................................. 88
6. Checks on inlet and exhaust systems ............................................................................................ 89
7. Checks on electrical system ......................................................................................................... 90
8. Idle test on engine......................................................................................................................... 91
Chapter 2 Working Mechanism ................................................................................................................ 92
1. Valve train..................................................................................................................................... 92
2. Crank linkage mechanism ............................................................................................................ 94
3. Cooling system ............................................................................................................................. 97
4. Lubrication system ....................................................................................................................... 99
5. Electrical system ........................................................................................................................ 100
6. Fuel system ................................................................................................................................. 105
Chapter 3 Inspection and Adjustment..................................................................................................... 106
2. Cylinder pressure ........................................................................................................................ 108
3. Timing detection of fuel injection pump .................................................................................... 109
4. Calibration of fuel injection pump ............................................................................................. 110
5. Atomization of fuel injector ........................................................................................................111
6. Test on engine oil pressure ......................................................................................................... 112
7. Inspection and adjustment of starter pinion ................................................................................ 114
Chapter 4 Fault Diagnosis and Removal ................................................................................................ 115
1. Emission of white smoke ........................................................................................................... 115
2. Emission of blue smoke ............................................................................................................. 116
3. Emission of black or gray smoke ............................................................................................... 117
4.Cylinder compression pressure being insufficient ....................................................................... 118
5. Blocked air filter ......................................................................................................................... 119
6. Emission of blue smoke ............................................................................................................. 119
7. Abnormal sound emitted by diesel engine .................................................................................. 120
8. Abnormal operation or frequent flameout .................................................................................. 121
9. Low power .................................................................................................................................. 122
10. Engine oil-water mixture .......................................................................................................... 124
11. Surging rotating speed .............................................................................................................. 125
12. Unstable rotating speed ............................................................................................................ 126
13. Engine overheat ........................................................................................................................ 126
14. Abnormal coolant temperature ................................................................................................. 127