Komatsu 4D92E 4D94LE 4D98E Diesel Engine Shop Manual PDF

Description

Komatsu 4D92E 4D94LE 4D98E Diesel Engine Shop Manual – PDF DOWNLOAD

FILE DETAILS:

Komatsu 4D92E 4D94LE 4D98E Diesel Engine Shop Manual – PDF DOWNLOAD 

Language : English
Pages : 160
Downloadable : Yes
File Type : PDF

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

Komatsu 4D92E 4D94LE 4D98E Diesel Engine Shop Manual – PDF DOWNLOAD 

4D94E-BE4 1
CONTENTS 2
1 GENERAL 3
1-1 Specifications 4
1-2 Fuel oil, lubricating oil and cooling water 5
1-3 Engine performance curve 6
1-4 Engine external views 10
1-5 Structural description 12
1-6 How to read this manual 14
1-7 Precautions for service work 16
1-8 Tightening torques for standard bolts and nuts 17
2 TROUBLESHOOTING 19
2 1 Quick reference table for troubleshooting 20
2 2 Troubleshooting by measuring compression pressure 24
3 INSPECTION AND ADJUSTMENT 27
3-1 Inspecting water leak from cooling water system and radiator 28
3-2 Fan belt tension inspection and adjustment 29
3-3 Adjusting the valve clearance 30
3-4 Testing injection pressure and spraying condition of fuelinjection nozzle 31
3-5 Testing and adjusting fuel injection timing mark 35
3-6 Adjusting no-load engine speed 36
3-7 Sensor inspection 37
3-8 Battery inspection 38
3-9 Adjusting operation 40
3-10 Long storage 40
3-11 Periodic maintenance schedule 41
4 ENGINE BODY 43
4-1 Introduction 44
4-2 Cylinder head 45
4-3 Gear train and camshaft 54
4-4 Cylinder block 59
5 LUBRICATION SYSTEM 73
5-1 Lubrication system diagram 74
5-2 Trochoid pump components 74
5-3 Disassembly (reverse the procedure below for assembly) 75
5-4 Servicing points 75
5-5 Parts inspection and measurement 76
6 COOLING SYSTEM 77
6-1 Cooling water system 78
6-2 Cooling water pump components 79
6-3 Disassembly (reverse the procedure below for assembly) 79
6-4 Servicing points 79
7 FUEL INJECTION PUMP, GOVERNOR 81
7-1 Specifications 82
7-2 Component parts 83
7-3 Fuel injection pump system diagram 84
7-4 Removal and installation of fuel injection pump 85
7-5 Fuel system 86
7-6 Structure and operation of pump 88
7-7 Operation of plunger 92
7-8 All speed governor 98
7-9 Structure and operation of timer 106
7-10 Magnet valve 108
7-11 Improvement of startability at very low temperature 109
8 STARTING MOTOR 111
8-1 Specifications 112
8-2 Components 113
8-3 Troubleshooting 114
8-4 Names of parts and disassembly procedure 115
8-5 Inspection and maintenance 119
8-6 Service standards 125
8-7 Assembly 126
8-8 Characteristic test 128
9 ALTERNATOR 129
9-1 Specifications 130
9-2 Sectional view 131
9-3 Troubleshooting 132
9-4 Parts names and disassembly procedure 133
9-5 Inspection and overhaul 136
9-6 Assembly 140
9-7 Service standards 141
9-8 Performance test 142
10 SPECIAL SERVICE TOOLS 143
10 1 Special tools 144
10 2 Measuring instruments 146
11 SERVICE STANDARDS 149
11-1 Engine tuning 150
11-2 Engine body 151
11-3 Lubricating oil system (trochoid pump) 155
11-4 Tightening torques for main parts 156
BACK COVER 160

S.V 13/12/24