Komatsu FORKLIFT DX50 Engine Service Manual – PDF DOWNLOAD

Description

Komatsu FORKLIFT DX50 Engine Service Manual – PDF DOWNLOAD

FILE DETAILS:

Komatsu FORKLIFT DX50 Engine Service Manual – PDF DOWNLOAD

Language :English
Pages :285
Downloadable : Yes
File Type : PDF

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

Komatsu FORKLIFT DX50 Engine Service Manual – PDF DOWNLOAD

Safety notice 1
How to read the shop manual 5
Explanation of terms for maintenance standard 7
Handling of electric equipment and hydraulic component 9
Handling of connectors newly used for engines 18
How to read electric wire code 21
Precautions when carrying out operation 24
Method of disassembling and connecting push-pull type coupler 27
Standard tightening torque table 30
Conversion table 34
2pdf 0
Outline 39
Specifications 41
General view 43
Dimensions table 47
Weight table 48
Engine performance curves 49
3pdf 0
General structure 52
Air intake and exhaust system 54
Turbocharger 56
Cylinder head 59
Cylinder block 61
Cylinder 64
Main moving parts 65
Crankshaft 67
Camshaft 68
Piston, piston ring and piston pin 69
Connecting rod 70
Flywheel and flywheel housing 71
Timing gear 73
Valve system 76
Valve, valve guide 78
Rocker arm shaft, push rod and tappet 79
Lubrication system 80
Oil pump 81
Regulator valve 83
Oil filter 84
Fuel system 86
Supply pump 87
Fuel injection injector 89
Fuel filter 90
Common rail 91
Various sensor, actuator 92
Various connector 94
Cooling system 96
Water pump 97
Cooling fan drive and thermostat 99
Starting and charging system electrical circuit diagram103
Alternator104
Starting motor108
Starting aid110
Engine controller112
4pdf 0
Standard service value table for testing, adjusting, and troubleshooting113
Running-in standard and performance test standard115
5pdf 0
Testing and adjusting tools list117
Testing exhaust temperature118
Adjusting valve clearance119
Testing compression pressure121
Testing blow-by pressure123
Testing oil pressure124
Handling fuel system parts125
Releasing residual pressure in fuel system125
Testing fuel pressure126
Reduced cylinder mode operation127
No-injection cranking127
Testing leakage from pressure limiter and return rate from injector128
Bleeding air from fuel circuit131
Testing fuel system for leakage133
Testing and adjusting alternator belt tension134
Handling controller voltage circuit135
Functions of troubleshooting tool and check of failure code136
6pdf 0
General information on troubleshooting140
Failure code table142
Information in troubleshooting table (E-mode)144
Method of using troubleshooting charts (S-mode)146
Troubleshooting for mechanical system (S-mode)150
Troubleshooting for electrical system (E-mode)168
7pdf 0
Coating materials list249
Special tools list252
General disassembly of engine253
General assembly of engine265
Disassembly and assembly procedure for fuel supply pump unit282
Disassembly and assembly procedure for oil seal units284
a1pdf 0
Safety notice 0
How to read the shop manual 0
Explanation of terms for maintenance standard 0
Handling of electric equipment and hydraulic component 0
Handling of connectors newly used for engines 0
How to read electric wire code 0
Precautions when carrying out operation 0
Standard tightening torque table 0
Conversion table 0

DESCRIPRION:

Komatsu FORKLIFT DX50 Engine Service Manual – PDF DOWNLOAD

Safety notice

• Important safety notice Proper service and repair are extremely important for safe machine operation. The service and repair techniques recommended by Komatsu and described in this manual are both effective and safe. Some of these techniques require the use of tools specially designed by Komatsu for the specific purpose.
• To prevent injury to workers, the symbol k is used to mark safety precautions in this manual. The cautions accompanying these symbols should always be followed carefully. If any dangerous situation arises or may possibly arise, first consider safety, and take the necessary actions to deal with the situation

1. General precautions

k Mistakes in operation are extremely dangerous. Read the Operation and Maintenance Manual carefully before operating the machine. In addition, read this manual and understand its contents before starting the work.

S.M 27/01/25