Komatsu 108 Series Diesel Engine Shop Manual SEBE62210104 – PDF
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Komatsu 108 Series Diesel Engine Shop Manual SEBE62210104 – PDF DOWNLOAD
Description
Komatsu 108 Series Diesel Engine Shop Manual SEBE62210104 – PDF DOWNLOAD
FILE DETAILS:
Komatsu 108 Series Diesel Engine Shop Manual SEBE62210104 – PDF DOWNLOAD
Language : English
Pages :254
Downloadable : Yes
File Type : PDF
DESCRIPTION:
Komatsu 108 Series Diesel Engine Shop Manual SEBE62210104 – PDF DOWNLOAD
FOREWORD
GENERAL
- This shop manual has been prepared as an aid to improve the quality of repairs by
g1vmg the serviceman an accurate understanding of the product and by showing him the correct way
to perform repairs and make judgements. Make sure you understand the contents of this manual and
use it to full effect at every opportunity. - This shop manual mainly contains the necessary technical information for operations performed
in a service workshop. For ease of understanding, the manual is divided into the following
chapters; these chapters are further divided into the each main group of components.
This section explains the structure and function of each component. It serves not only to give
an understanding of the structure, but also serves as reference material for troubleshooting.
This section explains checks to be made before and after performing repairs, as well
as adjustments to be made at completion of the checks and repairs.
Troubleshooting charts correlating “Problems” to “Causes” are also included in this section.
This section explains the order to be followed when removing, installing, disassembling
or assembling each component, as well as precautions to be taken for these operations.
This section gives the judgement standards when inspecting disassembled parts.
TABLE OF CONTENTS:
Komatsu 108 Series Diesel Engine Shop Manual SEBE62210104 – PDF DOWNLOAD
COVER 1
CONTENTS 2
01 GENERAL 23
SPECIFICATIONS 24
ENGINE PERFORMANCE CURVE 28
WEIGHT TABLE 37
11 STRUCTURE AND FUNCTION 39
GENERAL STRUCTURE 40
INTAKE AND EXHAUST SYSTEM 42
AFTER -COOLER 42
AIR CLEANER 43
ELECTRONIC DUST INDICATOR 44
TURBOCHARGER 45
ENGINE BODY 52
CYLINDER HEAD 52
CYLINDER BLOCK 54
MAIN REVOLVING SYSTEM 56
TIMING GEAR 60
VALVE SYSTEM 62
FLYWHEEL AND FLYWHEEL HOUSING 64
LUBRICATION SYSTEM 68
LUBRICATION SYSTEM CHART 68
OIL PUMP 69
OIL FILTER (BUILT-IN SAFETY VALVE) 70
OIL COOLER 71
FUEL SYSTEM 72
FUEL SYSTEM CHART 72
FUEL INJECTION PUMP 74
FUEL INJECTION NOZZLE 82
FUEL FILTER 83
FUEL INJECTION PUMP DRIVE CASE 84
ENGINE STOP MOTOR 86
FUEL CUT SOLENOID 91
COOLING SYSTEM 92
COOLING SYSTEM CHART 92
THERMOSTAT 95
WATER PUMP 96
ELECTRICAL SYSTEM 99
WIRING DIAGRAM 99
ALTERNATOR102
STARTING MOTOR106
OIL PRESSURE SWITCH 108
RELAY SWITCH108
GLOW PLUG109
12 TESTING AND ADJUSTING111
INAKE AND EXHAUST SYSTEM113
ADJUSTING VALVE CLEARANCE113
ENGINE BODY114
MEASURING COMPRESSION PRESSURE114
FUEL SYSTEM115
TESTING AND ADJUSTING FUEL INJECTION TIMING115
ADJUSTING FUEL CUT SOLENOID LINK118
PROCEDURE FOR ADJUSTING ENGINE STOP MOTOR CABLE120
ADJUSTING ENGINE SPEED SENSOR122
PERFORMANCE TEST123
RUNNING-IN STANDARD123
PERFORMANCE TEST CRITERIA126
TESTING AND ADJUSTING DATA130
CALIBRATION DATA130
TESTING AND ADJUSTING TOO LIST143
TESTING AND ADJUSTING DATA144
TROUBLESHOOTING149
POINTS TO REMEMBER WHEN TROUBLESHOOTING151
METHOD OF USING TROUBLESHOOTING CHART152
S-1 STARTING PERFORMANCE IS POOR (STARTING ALWAYS TAKES TIME)156
S-2 ENGINE DOES NOT START157
① ENGINE DOES NOT TURN157
② ENGINE TURNS BUT NO EXHAUST GAS COMES OUT (FUEL IS NOT BEING INJECTED)158
③ EXHAUST GAS COMES OUT BUT ENGINE DOES NOT START (FUEL IS BEING INJECTED)159
S-3 ENGINE DOES NOT PICK UP SMOOTHLY (FOLLOW-UP IS POOR)160
S-4 ENGINE STOPS DURING OPERATIONS161
S-5 ENGINE DOES NOT ROTATE SMOOTHLY (HUNTING)162
S-6 ENGINE LACKS OUTPUT (NO POWER)163
S-7 EXHAUST GAS IS BLACK (INCOMPLETE COMBUSTION)164
S-8 OIL CONSUMPTION IS EXCESSIVE (OR EXHAUST GAS IS BLUE)165
S-9 OIL BECOMES CONTAMINATED QUICKLY166
S-10 FUEL CONSUMPTION IS EXCESSIVE167
S-11 OIL IS IN COOLING WATER, OR WATER SPURTS BACK, OR WATER LEVER GOES DOWN168
S-12 OIL PRESSURE LAMP LIGHTS UP (DROP IN OIL PRSSURE)169
S-13 OIL LEVEL RISES170
S-14 WATER TEMPERATURE BECOMES TOO HIGH (OVERHEATING)171
S-15 ABNORMAL NOISE IS MADE172
S-16 VIBRATION IS EXCESSIVE173
13 DISSSEMBLY AND ASSEMBLY175
OVERALL DISASSEMBLY176
OVERALL ASSEMBLY188
14 MAINTENANCE STANDARD211
TURBOCHARGER212
CYLINDER HEAD214
VALVE AND VALVE GUIDE216
ROCKER ARM, PUSH ROD AND TAPPET218
CYLINDER LINER219
CYLINDER BLOCK220
CRANKSHAFT222
CAMSHAFT223
PISION,PISTON RING AND PISTON PIN224
CONNECTING ROD225
TIMING GEAR226
FLYWHEEL AND FLYWHEEL HOUSING227
LUBRICATION SYSTEM228
OIL PUMP 228
REGULATOR VALVE229
SAFETY VALVE229
COOLING SYSTEM230
WATER PUMP AND THERMOSTAT230
15 REPAIR AND REPLACEMENT OF PARTS233
REPAIRING MOUNTING FACE OF CYLINDER HEAD BY GRINDING234
REPLACING VALVE SEAT INSERTS235
PRESSURE TEST239
REPLACING VALVE GUIDE240
GRINDING THE VALVE241
REPLACING CAM BUSHING242
REPLACING CRANK GEAR244
REPLACING CAM GEAR244
REPLACING FLYWHEEL RING GEAR245
REPLACING MAIN BEARING CAP246
GRINDING CRANKSHAFT247
REPLACING ENGINE REAR SEAL252
IMAGES PREVIEW OF THE MANUAL:
S.M 16/12/24
