Komatsu 108 Series Diesel Engines Repair Service Manual
Complete service repair manual with Electrical Wiring Diagrams for Komatsu 108 Series Diesel Engines, with all the technical information to maintain, diagnose, repair, rebuild like professional mechanics.
Komatsu 108, 108-2 Series Diesel Engines (S6D108-1, SA6D108-1, S6D108-2, SA6D108-2, SAA6D108-2) workshop service repair manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.
PRODUCT DETAILS:
Total Pages: 948 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
SEBE62210103 - 108 Series Diesel Engines (S6D108-1, SA6D108-1) Shop Manual.pdf
SEBE62210104 - 108 Series Diesel Engines (S6D108-1, SA6D108-1) Shop Manual.pdf
SEBM006904 - 108-2 Series Diesel Engines (S6D108-2, SA6D108-2, SAA6D108-2) Shop Manual.pdf
SEBM006906 - 108-2 Series Diesel Engines Shop Manual.pdf
MAIN SECTIONS
COVER...1
CONTENTS...4
SAFETY...5
FOREWORD...7
GENERAL...7
HOW TO READ THE SHOP MANUAL...8
HOISTING INSTRUCTIONS...9
METHOD OF DISASSEMBLING, CONNECTING PUSH-PULL TYPE COUPLER...10
COATING MATERIALS...12
STANDARD TIGHTENING TORQUE...14
ELECTRICAL WIRE CODE...17
CONVERSION TABLE...18
UNITS...24
01 GENERAL...25
APPLICABLE MACHINE...26
SPECIFICATIONS...28
GENERAL ASSEMBLY DRAWING...31
ENGINE PERFORMANCE CURVE...35
WEIGHT TABLE...37
11 STRUCTURE AND FUNCTION...39
GENERAL STRUCTURE...40
INTAKE AND EXHAUST SYSTEM...42
AFTERCOOLER...42
AIR-COOLED AFTERCOOLER MOUNT...43
AIR CLEANER...47
ELECTRONIC DUST INDICATOR...48
TURBOCHARGER...49
ENGINE BODY...52
CYLINDER HEAD...52
CYLINDER BLOCK...54
MAIN REVOLVING SYSTEM...56
TIMING GEAR...58
VALVE MECHANISM...60
FLYWHEEL AND FLYWHEEL HOUSING...62
LUBRICATION SYSTEM...64
LUBRICATION SYSTEM CHART...64
OIL PUMP...65
OIL FILTER...66
OIL COOLER...67
FUEL SYSTEM...69
FUEL SYSTEM CHART...69
FUEL INJECTION PUMP...70
SPEED CONTROL LEVER ANGLE...71
BOOST COMPENSATOR DEVICE...72
FUEL INJECTION NOZZLE...73
FUEL FILTER...74
FUEL INJECTION PUMP DRIVE CASE...77
COOLING SYSTEM...84
COOLING SYSTEM, CHART...84
WATER PUMP...86
THERMOSTAT...88
ELECTRICAL SYSTEM...89
WIRING DIAGRAM...89
ALTERNATOR...92
STARTING MOTOR...95
OIL PRESSURE SWITCH...97
RELAY SWITCH...97
GLOW PLUG...98
12 TESTING AND ADJUSTING...99
INTAKE AND EXHAUST SYSTEM...101
ADJUSTING VALVE CLEARANCE...101
ENGINE BODY...102
MEASURING COMPRESSION PRESSURE...102
FUEL SYSTEM...103
TESTING AND ADJUSTING FUEL INJECTION TIMING...103
PROCEDURE FOR ADJUSTING FUEL CUT SOLENOID LINKAGE...107
PROCEDURE FOR ADJUSTING ENGINE STOP MOTOR CABLE...108
PERFORMANCE TEST...109
RUNNING IN STANDARD...109
PERFORMANCE TEST CRITERIA...110
FUEL INJECTION PUMP CALIBRATION DATA...112
TROUBLESHOOTING...120
POINTS TO REMEMBER WHEN TROUBLESHOOTING...121
METHOD OF USING TROUBLESHOOTING CHART...123
S-1 STARTING PERFORMANCE IS POOR (STARTING ALWAYS TAKES TIME) ...127
S-2 ENGINE DOES NOT START...128
(1) ENGINE DOES NOT TURN...128
(2) ENGINE TURNS BUT NO EXHAUST GAS COMES OUT (FUEL IS NOT BEING INJECTED)...129
(3) EXHAUST GAS COMES OUT BUT ENGINE DOES NOT START (FUEL IS BEING INJECTED)...130
S-3 ENGINE DOES NOT PICK UP SMOOTHLY (FOLLOW-UP IS POOR)...131
S-4 ENGINE STOPS DURING OPERATIONS...132
S-5 ENGINE DOES NOT ROTATE SMOOTHLY (HUNTING)...133
S-6 ENGINE LACKS OUTPUT (NO POWER)...134
S-7 EXHAUST GAS IS BLACK (INCOMPLETE COMBUSTION)...135
S-8 OIL CONSUMPTION IS EXCESSIVE (OR EXHAUST GAS IS BLUE)...136
S-9 OIL BECOMES CONTAMINATED QUICKLY...137
S-10 FUEL CONSUMPTION IS EXCESSIVE...138
S-11 OIL IS IN COOLING WATER, OR WATER SPURTS BACK, OR WATER LEVEL GOES DOWN...139
S-12 OIL PRESSURE LAMP LIGHTS UP (DROP IN OIL PRESSURE)...140
S-13 OIL LEVEL RISES...141
S-14 WATER TEMPERATURE BECOMES TOO HIGH (OVERHEATING) ...142
S-15 ABNORMAL NOISE IS MADE...143
S-16 VIBRATION IS EXCESSIVE...144
TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING...145
TESTING AND ADJUSTING DATA...147
13 DISASSEMBLY AND ASSEMBLY...150
OVERALL DISASSEMBLY...151
OVERALL ASSEMBLY...163
14 MAINTENANCE STANDARD...186
INTAKE AND EXHAUST SYSTEM...187
TURBOCHARGER...187
ENGINE BODY...188
CYLINDER HEAD...188
VALVE AND VALVE GUIDE...189
ROCKER ARM, PUSH ROD AND TAPPET...191
CYLINDER LINER...192
CYLINDER BLOCK...193
CRANKSHAFT...195
CAMSHAFT...196
PISTON, PISTON RING AND PISTON PIN...197
CONNECTING ROD...198
TIMING GEAR...199
FLYWHEEL AND FLYWHEEL HOUSING...200
LUBRICATION SYSTEM...201
OIL PUMP...201
REGULATOR VALVE...202
SAFETY VALVE...202
COOLING SYSTEM...203
WATER PUMP AND THERMOSTAT...203
15 REPAIR AND REPLACEMENT OF PARTS...204
REPAIRING MOUNTING FACE OF CYLINDER HEAD BY GRINDING...205
REPLACING VALVE SEAT INSERTS...206
PRESSURE TEST...210
REPLACING VALVE GUIDE...211
GRINDING THE VALVE...212
REPLACING CAM BUSHING...213
REPLACING CRANK GEAR...215
REPLACING CAM GEAR...215
REPLACING FLYWHEEL RING GEAR...216
REPLACING MAIN BEARING CAP...217
GRINDING CRANKSHAFT...218
REPLACING ENGINE REAR SEAL...223
REPLACING CONNECTING ROD SMALL END BUSHING...226
