Komatsu 4D94LE, 4D98E FACTORY MANUAL DIESEL ENGINE 4D94E17-BRU2 – PDF DOWNLOAD (Russian)

Komatsu 4D94LE, 4D98E FACTORY MANUAL DIESEL ENGINE 4D94E17-BRU2 – PDF DOWNLOAD (Russian)

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Komatsu 4D94LE, 4D98E FACTORY MANUAL DIESEL ENGINE 4D94E17-BRU2 – PDF DOWNLOAD (Russian)

Language : Russian
Pages : 161
Downloadable : Yes
File Type : PDF
Size: 12.5 MB

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TABLE OF CONTENTS:

Komatsu 4D94LE, 4D98E FACTORY MANUAL DIESEL ENGINE 4D94E17-BRU2 – PDF DOWNLOAD (Russian)

SHOP MANUAL………………………………………………………………………… 2
CONTENTS…………………………………………………………………………. 3
1. GENERAL INFORMATION…………………………………………………………………… 4
1-1 Technical Specifications……………………………………………………. 5
1-2 Diesel Fuel, Lubricating Oil, and Coolant………………………… 6
1-3 Engine Performance Curve…………………………………………. 7
1-4 Engine External Appearance Pictures……………………………………………. 9
1-5 Structural Description…………………………………………………. 11
1-6 How to Use This Manual……………………………………………. 13
1-7 Precautions for Maintenance Work……………………….. 15
1-8 Tightening Torques of Standard Bolts and Nuts………………………………. 16
2. TROUBLE DIAGNOSIS………………………………………………………… 18
2-1 Troubleshooting Reference Table……………………………….. 19
2-2 Troubleshooting by Measuring Compression Pressure……………………….. 23
3. CHECKING AND ADJUSTING……………………………………………………………. 26
3-1 Checking for Coolant Leakage from Cooling System and Radiator……………….. 27
3-2 Checking and Adjusting Fan Belt Tension………………………………. 28
3-3 Adjusting Valve Clearance………………………………………………. 29
3-4 Checking Injector Injection Pressure and Fuel Spray Pattern……………….. 30
3-5 Checking and Adjusting Fuel Injection Timing……………………………….. 34
3-6 Checking Sensors…………………………………………………………………. 35
3-7 Checking the Battery………………………………………………………….. 36
3-8 Performing Adjustments……………………………………………………….. 38
3-9 Preservation…………………………………………………………………. 38
3-10 Periodic Maintenance Schedule…………………………………………. 39
4. ENGINE BODY…………………………………………………………………. 40
4-1 Introduction……………………………………………………………………. 41
4-2 Cylinder Head………………………………………………………. 42
4-3 Gear Block and Camshaft……………………………………………………. 51
4-4 Cylinder Block………………………………………………………. 57
5. LUBRICATION SYSTEM…………………………………………………………… 72
5-1 Lubrication System Diagram………………………………………………. 73
5-2 Trochoid Pump Components…………………………………………………. 73
5-3 Disassembly (Reverse the assembly procedure for the following procedure)…………….. 74
5-4 Maintenance Items………………………………………………………….. 74
5-5 Checking and Measuring Parts………………………………………………….. 75
6. COOLING SYSTEM……………………………………………………………….. 76
6-1 Cooling Water System…………………………………………………… 77
6-2 Cooling Pump Components………………………………………………… 78
6-3 Disassembly (Reverse the assembly procedure for the following procedure)…………….. 78
6-4 Maintenance Items………………………………………………………….. 78
7. HIGH-PRESSURE FUEL PUMP REGULATOR………………………………………….. 80
7-1 Technical characteristics……………………………………………………. 81
7-2 Design details…………………………………………………………… 82
7-3 High-pressure fuel pump diagram………………………………. 83
7-4 Removing and installing the high-pressure fuel pump…………………………… 84
7-5 Fuel system……………………………………………………………. 85
7-6 Pump Design and Operation…………………………………………………… 87
7-7 Plunger Operation……………………………………………………………… 91
7-8 All-Mode Regulator………………………………………………………… 97
7-9 Timer Design and Operation…………………………………………………..105
7-10 Solenoid Valve………………………………………………………107
7-11 Improving Starting Performance at Very Low Temperatures (4D94LE Engine)…..108
7-12 Cold Spark Plug (CSD) (4D98E Engine)………………………………………..109
8. STARTER………………………………………………………………………….112
8-1 Specifications…………………………………………………………….113
8-2 Design………………………………………………………………….114
8-3 Diagnostics
8-4 Part Names and Disassembly Procedure…………………………………………..116
8-5 Inspection and Maintenance……………………………………………….120
8-6 Assembly………………………………………………………………126
8-7 Performance Check………………………………………………………129
9. AC GENERATOR………………………………………………………………130
9-1 Sectional View……………………………………………………………….131
9-2 Troubleshooting……………………………………………………….132
9-3 Part Names and Disassembly Procedure……………………………….133 9-4 Inspection and Maintenance ………………………………………………
.136
9-5 Assembly………………………………………………………………140
9-6 Performance Check ………………………………………………………148 characteristics………………………………………………………143
10. SPECIAL TOOLS FOR MAINTENANCE………………………………………………………..146
10-1 Special tools………………………………………………………………………..147
10-2 Measuring instruments………………………………………………………..149
11. MAINTENANCE STANDARDS………………………………………………………………152
11-1 Engine adjustment………………………………………………………………..153
11-2 Engine housing…………………………………………………………………….154
11-3 Lubrication system (trochoid pump)……………………………………………..158
11-4 Tightening torques for main parts………………………………………………..159