Komatsu 4D94(L)E 4D98E Diesel Engines Service Manual SM197 4D94E-BE4 – PDF DOWNLOAD

Description

Komatsu 4D94(L)E 4D98E Diesel Engines Service Manual SM197 4D94E-BE4 – PDF DOWNLOAD

IMAGES PREVIEW OF THE MANUAL:

DESCRIPTION:

Komatsu 4D94(L)E 4D98E Diesel Engines Service Manual SM197 4D94E-BE4 – PDF DOWNLOAD

BX20 S/N 580001A~ 4D94(L)E EPA TIER 2                               FD20/25/30-14
BX50 S/N 200001A – 215882A 4D94(L)E EPA TIER 2              FD20/25/28/30/32/35-16
BX50 S/N 215883A~ 4D98E EPA TIER 3                                    FD20/25/28/30/32/35-16

How to read this manual:
(1) Range of Operation Explanation:
This manual explains the trouЫeshooting, installation/removal, replacement, disassemЫy/reassemЫy,
inspection, adjustment and adjusting operation procedures for the engine.
Refer to the manufacturer’s manual for each of the fuel injection pump, governor, starting motor and alternator
except for their installation.
(2) How to Read the Explanations:
(2-1) An exploded view, sectional views, а system diagram, etc. аге shown at the beginning of each section
as required for easy understanding of the mounted states of the components.
(2-2) For the removal/installation of each part, the procedure is shown with the procedural step No. in the
illustration.
(2-3) Precautions and key points for disassemЫy and reassemЫy of parts аге described as Points. ln the
explanation for each point, detailed operation method, information, standard and precautions аге
described

TABLE OF CONTENTS:

Komatsu 4D94(L)E 4D98E Diesel Engines Service Manual SM197 4D94E-BE4 – PDF DOWNLOAD

SPECIFICATIONS 2
ENGINE PERFORMANCE CURVE 4
ENGINE EXTERNAL VIEWS 7
STRUCTURAL DESCRIPTION 9
THIS MANUAL 11
PRECAUTIONS 13
TIGHTENING TORQUES 14
QUICK REFERENCE 15
MEASURING COMPRESSION PRESSURE 19
INSPECTING WATER LEAKS 21
INSPECTING FAN BELT TENSION 22
ADJUSTING VALVE CLEARANCE 23
TESTING FUEL INJECTION NOZZLES 24
TESTING TIMING MARK 28
ADJUSTING NO-LOAD ENGINE SPEED 29
INSPECTING SENSORS 30
INSPECTING BATTERY 31
ADJUSTING OPERATION 33
LONG STORAGE 33
INTRODUCTION 35
CYLINDER HEAD 36
GEAR TRAIN AND CAMSHAFT 45
CYLINDER BLOCK 50
SYSTEM DIAGRAM 64
DISASSEMBLY 65
PARTS INSPECTION 66
SY STEM DIAGRAM 67
PUMP COMPONENTS 68
SPECIFICATIONS 69
COMPONENT PARTS 70
FUEL INJECTION PUMP SYSTEM DIAGRAM 73
FUEL INJECTION PUMP REMOVAL & INSTALLATION 74
FUEL SYSTEM 75
PUMP OPERATION & STRUCTURE 77
PLUNGER OPERATION 81
ALL SPEED GOVERNOR 87
TIMER STRUCTURE & OPERATION 94
MAGNET VALVE 96
IMPROVE STARTING AT LOW TEMPERATURE 97
SPECIFICATIONS 98
COMPONENTS 99
TROUBLESHOOTING 100
PARTS & DISASSEMBLY 101
INSPECTION & MAINTENANCE 105
SERVICE STANDARDS 111
ASSEMBLY 112
CHARACTERISTIC TEST 114
SPECIFICATIONS 115
SECTIONAL VIEW 116
TROUBLESHOOTING 117
PARTS & DISASSEMBLY 118
INSPECTION & OVERHAUL 121
ASSEMBLY 125
SERVICE STANDARDS 126
PERFORMANCE TEST 127
ENGINE TUNING 133
ENGINE BODY 134
LUBRICATION SYSTEM 138
TIGHTENING TORQUES 139

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• This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
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