Komatsu D375 Bulldozer D375A-2 D375A-3 D375A-5 D375A-6 D375A-8 Workshop Repair Service Manual PDF - MKMTSD375OPEK.zip
A full workshop service and repair guide, complete with electrical wiring schematics, covering Komatsu D375-Series Bulldozers—packed with everything technicians need to service, troubleshoot, overhaul, and rebuild these machines to professional standards.
The workshop service repair manual for Komatsu D375-Series Bulldozers contains:
* 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.
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PRODUCT DETAILS:
Total Pages: 13,526 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
MAIN SECTIONS
01 GENERAL .. 01-1
10 STRUCTURE AND FUNCTION .. 10-1
20 TESTING AND ADJUSTING.. 20-1
30 DISASSEMBLY AND ASSEMBLY ... 30-1
40 MAINTENANCE STANDARD... 40-1
90 OTHERS .. 90-1
TABLE OF CONTENTS
00 INDEX AND FOREWORD...1
INDEX...2
ABBREVIATION LIST...23
FOREWORD, SAFETY, BASIC INFORMATION...29
HOW TO READ THE SHOP MANUAL...29
SAFETY NOTICE FOR OPERATION...31
PRECAUTIONS TO PREVENT FIRE...39
ACTIONS IF FIRE OCCURS...41
PRECAUTIONS FOR DISPOSING OF WASTE MATERIALS...42
PRECAUTIONS FOR HANDLING HYDRAULIC EQUIPMENT...43
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF PIPINGS...46
PRECAUTIONS FOR HANDLING ELECTRICAL EQUIPMENT...52
PRECAUTIONS FOR HANDLING FUEL SYSTEM EQUIPMENT...54
PRECAUTIONS FOR HANDLING INTAKE SYSTEM EQUIPMENT...55
PRACTICAL USE OF KOMTRAX...56
DISCONNECT AND CONNECT PUSH-PULL TYPE COUPLER...57
METHOD FOR DISCONNECTING AND CONNECTING TYPE 1 PUSH-PULL TYPE COUPLER...57
METHOD FOR DISCONNECTING AND CONNECTING TYPE 2 PUSH-PULL TYPE COUPLER...58
METHOD FOR DISCONNECTING AND CONNECTING TYPE 3 PUSH-PULL TYPE COUPLER...59
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF CONNECTORS...61
METHOD FOR DISCONNECTING AND CONNECTING DEUTSCH CONNECTOR...65
METHOD FOR DISCONNECTING AND CONNECTING SLIDE LOCK TYPE CONNECTOR...66
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PULL...68
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PUSH...69
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH HOUSING TO ROTATE...71
HOW TO READ ELECTRICAL WIRE CODE...72
EXPLANATION OF TERMS FOR MAINTENANCE STANDARD...76
STANDARD TIGHTENING TORQUE TABLE...79
CONVERSION TABLE...86
01 SPECIFICATIONS...1
CONTENTS...2
ABBREVIATION LIST...3
SPECIFICATIONS...9
SPECIFICATION DRAWING...9
SPECIFICATION DRAWING:D375A-8...9
SPECIFICATIONS...11
SPECIFICATIONS: D375A-8...11
WEIGHT TABLE...18
WEIGHT TABLE: D375A-8...18
FUEL, COOLANT, LUBRICANTS (FOR NORTH AMERICA)...21
METHOD FOR USING FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE...21
!!! new_index = 115
!!! num_start = 1
!!! num_style = Arabic
10 STRUCTURE AND FUNCTION...1
CONTENTS...2
ABBREVIATION LIST...5
BOOT-UP SYSTEM...11
SYSTEM OPERATING LAMP SYSTEM...11
SYSTEM OPERATING LAMP SYSTEM DIAGRAM...11
FUNCTION OF SYSTEM OPERATING LAMP SYSTEM...11
BATTERY DISCONNECT SWITCH...13
LAYOUT DRAWING OF BATTERY DISCONNECT SWITCH...13
FUNCTION OF BATTERY DISCONNECT SWITCH...13
BATTERY ISOLATOR...15
LAYOUT DRAWING OF BATTERY ISOLATOR...15
FUNCTION OF BATTERY ISOLATOR...15
ENGINE SYSTEM...17
LAYOUT DRAWING OF ENGINE SYSTEM...17
ENGINE CONTROL SYSTEM...19
LAYOUT OF ENGINE CONTROL SYSTEM...19
ENGINE CONTROL SYSTEM DIAGRAM...20
FUNCTION OF ENGINE CONTROL SYSTEM...21
AUTOMATIC IDLE STOP SYSTEM...22
AUTOMATIC IDLE STOP SYSTEM DIAGRAM...22
FUNCTION OF AUTOMATIC IDLE STOP SYSTEM...23
COMPONENT PARTS OF ENGINE SYSTEM...26
DAMPER...26
VGT...28
EGR SYSTEM...32
EGR VALVE...35
EGR COOLER...37
KCCV SYSTEM...38
KCCV VENTILATOR...40
KDPF...42
FUEL SYSTEM...46
FUEL SYSTEM CIRCUIT DIAGRAM...46
FUNCTION OF FUEL SYSTEM...47
OPERATION OF FUEL SYSTEM...47
CRI SYSTEM...48
COOLING SYSTEM...52
LAYOUT DRAWING OF COOLING SYSTEM...52
SPECIFICATIONS OF COOLING SYSTEM...53
COMPONENT PARTS OF COOLING SYSTEM...54
COOLING FAN PUMP...54
COOLING FAN MOTOR...73
HYDRAULIC OIL COOLER BYPASS VALVE...80
CONTROL SYSTEM...81
LAYOUT DRAWING OF CONTROL SYSTEM...81
MACHINE MONITOR SYSTEM...82
MACHINE MONITOR SYSTEM DIAGRAM...82
FUNCTION OF MACHINE MONITOR SYSTEM...83
KOMTRAX Plus SYSTEM...85
KOMTRAX Plus SYSTEM DIAGRAM...85
FUNCTION OF KOMTRAX Plus SYSTEM...85
COMPONENT PARTS OF CONTROL SYSTEM...87
MACHINE MONITOR...87
KOMTRAX TERMINAL...104
KOMTRAX Plus CONTROLLER...106
WIRELESS LAN UNIT...111
POWER TRAIN CONTROLLER...112
WORK EQUIPMENT CONTROLLER...116
ENGINE CONTROLLER...120
OPTION CONTROLLER...133
FUEL FEED PUMP...137
FUEL FEED PUMP SWITCH...138
HYDRAULIC SYSTEM...139
LAYOUT DRAWING OF HYDRAULIC SYSTEM...139
CLSS...140
STRUCTURE OF CLSS...140
FUNCTION OF CLSS...141
COMPONENT PARTS OF HYDRAULIC SYSTEM...143
HYDRAULIC TANK...143
WORK EQUIPMENT PUMP...145
LS VALVE...149
PTO, TRANSMISSION LUBRICATION PUMP, AND POWER TRAIN PUMP...154
CONTROL VALVE...156
POWER TRAIN SYSTEM...176
LAYOUT OF POWER TRAIN SYSTEM...176
OPERATION OF POWER TRAIN SYSTEM...179
TRANSMISSION, STEERING, AND BRAKE CONTROL...180
LAYOUT OF TRANSMISSION, STEERING, AND BRAKE CONTROL SYSTEM PARTS...180
FUNCTION OF TRANSMISSION, STEERING, AND BRAKE CONTROL...181
PALM COMMAND CONTROL SYSTEM...183
PALM COMMAND CONTROL SYSTEM DIAGRAM...183
CENTRALIZED PRESSURE PICKUP PORT...187
LAYOUT OF CENTRALIZED PRESSURE PICKUP PORT...187
FUNCTION OF CENTRALIZED PRESSURE PICKUP PORT...188
COMPONENT PARTS OF POWER TRAIN SYSTEM...189
UNIVERSAL JOINT...189
POWER TRAIN MOUNT...190
TORQUE CONVERTER AND PTO...192
TORQUE CONVERTER CONTROL VALVE...199
LOCKUP CLUTCH ECMV...201
STATOR CLUTCH ECMV...205
TRANSMISSION...209
TRANSMISSION ECMV...223
MAIN RELIEF VALVE AND TORQUE CONVERTER RELIEF VALVE...229
TRANSMISSION LUBRICATION RELIEF VALVE...232
TRANSFER AND BEVEL PINION...233
BEVEL GEAR SHAFT, STEERING CLUTCH, AND BRAKE...234
FINAL DRIVE...242
SCAVENGING PUMP...246
ELECTRIC STEERING CONTROL LEVER...247
WORK EQUIPMENT SYSTEM...251
WORK EQUIPMENT CONTROL...251
LAYOUT OF WORK EQUIPMENT CONTROL...251
WORK EQUIPMENT CONTROL FUNCTION...252
LAYOUT DRAWING OF FRONT WORK EQUIPMENT...253
LAYOUT OF VARIABLE GIANT RIPPER...254
LAYOUT OF VARIABLE MULTI-SHANK RIPPER...255
SHOE SLIP CONTROL SYSTEM...256
FUNCTION OF SHOE SLIP CONTROL SYSTEM...256
COMPONENT PARTS OF WORK EQUIPMENT SYSTEM...257
SELF-PRESSURE REDUCING VALVE...257
WORK EQUIPMENT LOCK SOLENOID VALVE...262
PILOT CIRCUIT ACCUMULATOR...264
QUICK DROP VALVE...265
PISTON VALVE...267
ELECTRIC BLADE CONTROL LEVER...268
RIPPER ELECTRIC LEVER...269
PIN PULLER SWITCH...270
LIFTING SYSTEM...271
POWER LADDER SYSTEM...271
DRAWING OF POWER LADDER SYSTEM...271
HYDRAULIC CIRCUIT DIAGRAM OF POWER LADDER SYSTEM...272
FUNCTION OF POWER LADDER SYSTEM...273
COMPONENT PARTS OF LIFTING SYSTEM...274
SWITCH BOX...274
POWER LADDER LIMIT SWITCH PART...275
CONTROL VALVE ASSEMBLY...276
RADIO CONTROL SYSTEM...277
LAYOUT DRAWING OF RADIO CONTROL SYSTEM...277
SPECIFICATIONS OF RADIO CONTROL SYSTEM...278
COMPONENT PARTS OF RADIO CONTROL SYSTEM...279
RADIO CONTROL TRANSMITTER...279
RADIO CONTROL RECEIVER...281
RADIO CONTROL ON-BOARD SELECTOR SWITCH...282
UNDERCARRIAGE AND FRAME...284
MAIN FRAME...284
STRUCTURE OF MAIN FRAME...284
SUSPENSION...286
STRUCTURE OF SUSPENSION...286
FUNCTION OF SUSPENSION...288
TRACK FRAME AND IDLER CUSHION...289
STRUCTURE OF TRACK FRAME AND IDLER CUSHION...289
SPECIFICATIONS OF TRACK FRAME AND IDLER CUSHION...290
FUNCTION OF TRACK FRAME AND IDLER CUSHION...290
WORK EQUIPMENT...291
STRUCTURE OF FRONT WORK EQUIPMENT...291
STRUCTURE OF CYLINDER STAY...293
STRUCTURE OF VARIABLE GIANT RIPPER...294
STRUCTURE OF VARIABLE MULTI-SHANK RIPPER...295
CAB AND ITS ATTACHMENTS...296
ROPS...296
STRUCTURE OF ROPS...296
FUNCTION OF ROPS...296
CAB...297
STRUCTURE OF CAB...297
CAB MOUNT...298
STRUCTURE OF CAB MOUNT...298
20 STANDARD VALUE TABLE...1
CONTENTS...2
ABBREVIATION LIST...3
STANDARD VALUE TABLE FOR ENGINE...9
STANDARD VALUE TABLE FOR ENGINE: D375A-8...9
STANDARD VALUE TABLE FOR MACHINE...15
STANDARD VALUE TABLE FOR MACHINE: D375A-8...15
MACHINE POSTURE AND PROCEDURE FOR MEASURING PERFORMANCE...39
30 TESTING AND ADJUSTING...1
CONTENTS...2
ABBREVIATION LIST...5
RELATED INFORMATION ON TESTING AND ADJUSTING...11
TOOLS FOR TESTING AND ADJUSTING...11
SKETCH OF TOOLS FOR TESTING AND ADJUSTING...17
ENGINE AND COOLING SYSTEM...19
TEST ENGINE SPEED...19
METHOD FOR TESTING ENGINE SPEED...19
TEST BOOST PRESSURE...23
METHOD FOR TESTING BOOST PRESSURE ON MACHINE MONITOR...23
METHOD FOR TESTING BOOST PRESSURE BY TESTING TOOL...24
TEST EXHAUST GAS TEMPERATURE...26
METHOD FOR TESTING EXHAUST TEMPERATURE BY MACHINE MONITOR...26
METHOD FOR TESTING EXHAUST TEMPERATURE BY TESTING TOOLS...27
TEST EXHAUST GAS COLOR...30
METHOD FOR TESTING EXHAUST GAS COLOR BY HANDY SMOKE CHECKER...30
METHOD FOR TESTING EXHAUST GAS COLOR BY SMOKE METER...31
TEST AND ADJUST VALVE CLEARANCE...33
METHOD FOR TESTING VALVE CLEARANCE...33
METHOD FOR ADJUSTING VALVE CLEARANCE...34
TEST COMPRESSION PRESSURE...36
METHOD FOR TESTING COMPRESSION PRESSURE...36
TEST BLOWBY PRESSURE...40
METHOD FOR TESTING BLOWBY PRESSURE...40
TEST ENGINE OIL PRESSURE...42
METHOD FOR TESTING ENGINE OIL PRESSURE BY MACHINE MONITOR...42
METHOD FOR TESTING ENGINE OIL PRESSURE BY TESTING TOOL...42
TEST EGR VALVE AND VGT OIL PRESSURE...44
METHOD FOR TESTING EGR VALVE AND VGT OIL PRESSURE...44
TEST FUEL PRESSURE...45
METHOD FOR TESTING FUEL PRESSURE...45
TEST FUEL RETURN RATE AND LEAKAGE...47
METHOD FOR TESTING FUEL RETURN RATE AND LEAKAGE...48
BLEED AIR FROM FUEL SYSTEM...53
METHOD FOR BLEEDING AIR FROM FUEL SYSTEM...53
TEST FUEL CIRCUIT FOR LEAKAGE...55
METHOD FOR TESTING FUEL CIRCUIT FOR LEAKAGE...55
TEST SUPPLY PUMP...57
METHOD FOR TESTING SUPPLY PUMP...57
HANDLE CYLINDER CUT-OUT MODE OPERATION...60
HANDLE NO-INJECTION CRANKING OPERATION...61
CLEAN FUEL DOSER...62
METHOD FOR CLEANING FUEL DOSER...62
WRITE INJECTOR COMPENSATION VALUE TO ENGINE CONTROLLER...65
METHOD FOR WRITING INJECTOR COMPENSATION VALUE...65
WRITE ASH IN SOOT ACCUMULATION CORRECTION TO ENGINE CONTROLLER...71
METHOD FOR WRITING ASH IN SOOT ACCUMULATION CORRECTION TO ENGINE CONTROLLER...71
ADJUST DECELERATOR PEDAL...72
METHOD FOR ADJUSTING DECELERATOR PEDAL...72
POWER TRAIN...75
TEST POWER TRAIN OIL PRESSURE...75
METHOD FOR TESTING POWER TRAIN OIL PRESSURE...76
ADJUST TRANSMISSION OUTPUT SHAFT SPEED SENSOR...93
METHOD FOR ADJUSTING TRANSMISSION OUTPUT SHAFT SPEED SENSOR...93