Komatsu 4D92E 4D94LE 4D98E Diesel Engine Shop Manual 4D94E-BE4 – PDF DOWNLOAD
Original price was: $89.95.$28.95Current price is: $28.95.
Komatsu 4D92E 4D94LE 4D98E Diesel Engine Shop Manual 4D94E-BE4 – PDF DOWNLOAD
Description
Komatsu 4D92E 4D94LE 4D98E Diesel Engine Shop Manual 4D94E-BE4 – PDF DOWNLOAD
IMAGES PREVIEW OF THE MANUAL:
DESCRIPTION:
Komatsu 4D92E 4D94LE 4D98E Diesel Engine Shop Manual 4D94E-BE4 – PDF DOWNLOAD
FD10/15/18-20 650001 and up 4D92E
FD20/25/30-16 700001 and up 4D94LE
FD20N/25N/З0N-16 700001 and up 4D94LE
FD20H/25H/З0H/35A-16 700001 and up 4D98E
(1) Precautions for Safety
Read the safety precautions given at the beginning of this manual carefully and always mind safety in work.
(2) Preparation for Service Work
Preparation is necessary for accurate, efficient service work. Check the customer ledger file for the history
of the engine.
(2-1) Preceding service date
(2-2) Period/operation hours after preceding service
(2-3) Problems and actions in preceding service
(2-4) Replacement parts expected to be required for service
(2-5) Recording form/check sheet required for service
(3) Preparation before Disassembly
(3-1) Prepare general tools, special service tools, measuring instruments, oil, grease, non-reusable parts,
and parts expected to be required for replacement.
(3-2) When disassembling complicated portions, put matchmarks and other marks at places not adversely
affecting the function for easy reassembly.
(4) Precautions in Disassembly
(4-1) Each time a parts is removed, check the part installed state, deformation, damage, roughening,
surface defect, etc.
(4-2) Arrange the removed parts orderly with clear distinction between those to be replaced and those to be
used again.
(4-3) Parts to be used again shall be washed and cleaned sufficiently.
(4-4) Select especially clean locations and use clean tools for disassembly of hydraulic units such as the
fuel injection pump.
(5) Precautions for Inspection and Measurement
(5-1) Inspect and measure parts to be used again as required to determine whether they are reusable or
not.
(6) Precautions for Reassembly
(6-1) Reassemble correct parts in correct order according to the specified standards (tightening torques,
and adjustment standards). Apply oil to important bolts and nuts before tightening when specified.
(6-2) Always use genuine parts for replacement.
(6-3) Always use new oil seals, O-rings, packings and cotter pins.
(6-4) Apply sealant to packings depending on the place where they are used. Apply oil or grease to sliding
contact portions, and apply grease to oil seal lips.
(7) Precautions for Adjustment and Check
(7-1) Use measuring instruments for adjustment to the specified service standards.
TABLE OF CONTENTS:
Komatsu 4D92E 4D94LE 4D98E Diesel Engine Shop Manual 4D94E-BE4 – 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
Customer Support: [email protected]
PLEASE NOTE:
- This is the same manual used by the DEALERSHIPS to SERVICE your vehicle.
- The manual can be all yours – Once payment is complete, you will be taken to the download page from where you can download the manual. All in 2-5 minutes time!!
- Need any other service / repair / parts manual, please feel free to contact us at heydownloadss @gmail.com . We may surprise you with a nice offer
S.V
