Komatsu Hydraulic Excavator MX352, MX502 Repair Service Manual + Operator's Manual
Complete service repair manual with Electrical Wiring Diagrams for Komatsu Hydraulic Excavator MX352, MX502, with all the technical information to maintain, diagnose, repair, rebuild like professional mechanics.
Komatsu Hydraulic Excavator MX352, MX502 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: 1,956 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
054-107-10 - MX45 Operator's Manual.pdf
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054-109-10 - MX15 Operatoer's Manual.pdf
054-110-10 - MX9 Operator's Manual.pdf
SEAM061600 - Hydraulic Excavator MX352 Operation & Maintenance Manual.pdf
SEAM061700 - Hydraulic Excavator MX502 Operation & Maintenance Manual.pdf
SEBM035400 - MX352, MX502 Shop Manual.pdf
MAIN SECTIONS
MAIN MENU...0
COVER...1
CONTENTS...2
SAFETY...3
SAFETY NOTICE...3
FOREWORD...5
GENERAL...5
HOW TO READ THE SHOP MANUAL...6
HOISTING INSTRUCTIONS...7
METHOD OF DISASSEMBLING, CONNECTING PUSH-PULL TYPE COUPLER...8
COATING MATERIALS...10
STANDARD TIGHTENING TORQUE...12
ELECTRIC WIRE CODE...15
CONVERSION TABLE...16
UNITS...22
01 GENERAL...23
SPECIFICATION DIMENSION DRAWING...24
WORKING RANGE DRAWING...25
SPECIFICATIONS...26
WEIGHT TABLE...32
LUBRICANTS, FUEL AND COOLANT SPECIFICATIONS...34
10 STRUCTURE, FUNCTION AND MAINTENANCE STANDARD...37
PTO...38
COOLING SYSTEM...40
POWER TRAIN...42
SWING CIRCLE...43
SWING MACHINERY...44
TRACK FRAME...48
IDLER CUSHION...49
IDLER...50
TRACK ROLLER...52
CARRIER ROLLER...54
SPROCKET...55
TRACK SHOE...56
HYDRAULIC COMPONENTS LAYOUT DRAWING...64
HYDRAULIC TANK...66
CENTER SWIVEL JOINT...69
TRAVEL MOTOR...71
HYDRAULIC CYLINDER...79
SOLENOID VALVE...83
MULTI-CONTROL VALVE...86
HYDRAULIC PUMP...87
CONTROL VALVE...98
CLSS...112
OPERATION FOR EACH FUNCTION AND VALVE...116
SWING MOTOR...138
PPC VALVE...147
WORK EQUIPMENT...155
DIMENSIONS OF EACH PART OF WORK EQUIPMENT...158
FLOOR...164
AIR CONDITIONER...165
ENGINE CONTROL...166
ELECTRIC CONTROL SYSTEM...168
COMPONENT PARTS OF SYSTEM...173
MONITOR SYSTEM...174
MONITOR PANEL...175
SENSORS...177
20 TESTING AND ADJUSTING...179
STANDARD VALUE TABLE FOR ENGINE RELATED PARTS...180
STANDARD VALUE TABLE FOR CHASSIS RELATED PARTS...182
TESTING AND ADJUSTING...197
LIST OF TESTING, ADJUSTING, AND TROUBLESHOOTING TOOLS...198
MEASURING ENGINE SPEED...200
MEASUREMENT OF EXHAUST GAS COLOR...201
ADJUSTING VALVE CLEARANCE...202
MEASURING COMPRESSION PRESSURE...205
MEASURING ENGINE OIL PRESSURE...206
TESTING AND ADJUSTING FUEL INJECTION TIMING...207
TESTING AND ADJUSTING ALTERNATOR BELT TENSION...209
ADJUSTING FUEL CONTROL LEVER...210
TESTING WEAR OF SPROCKET...211
TESTING AND ADJUSTING TRACK SHOE TENSION...212
MEASURING AND ADJUSTING OIL PRESSURES IN WORK EQUIPMENT, TRAVEL, BOOM SWING, SWING, AND BLADE CIRCUITS...213
MEASURING AND ADJUSTING LS DIFFERENTIAL PRESSURE...217
ADJUSTING PC VALVE...221
MEASURING AND ADJUSTING CONTROL PUMP CIRCUIT OIL PRESSURE...222
MEASURING SOLENOID VALVE OUTPUT PRESSURE...224
MEASURING PPC VALVE OUTPUT PRESSURE...226
ADJUSTING PPC VALVE...229
MEASURING SWING HOLDING BRAKE RELEASE PRESSURE...230
TESTING AND ADJUSTING TRAVEL DEVIATION...231
MEASUREMENT OF OIL LEAKAGE FROM WORK EQUIPMENT CYLINDER...233
BLEEDING AIR FROM EACH PART...235
RELEASING RESIDUAL PRESSURE FROM HYDRAULIC CIRCUIT...238
RELEASING RESIDUAL PRESSURE FROM HYDRAULIC TANK...238
PRESSURIZING HYDRAULIC TANK...239
INSPECTION PROCEDURES FOR DIODE...240
TROUBLESHOOTING...241
POINTS TO REMEMBER WHEN TROUBLESHOOTING...242
SEQUENCE OF EVENTS IN TROUBLESHOOTING...243
POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE...244
CHECKS BEFORE TROUBLESHOOTING...252
CLASSIFICATION AND PROCEDURES OF TROUBLESHOOTING...253
TYPES AND LOCATIONS OF CONNECTORS...256
CONNECTOR ARRANGEMENT DIAGRAM...262
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS...270
T-ADAPTER - BOXES AND T-ADAPTER TABLE...292
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)...295
BEFORE STARTING E-MODE TROUBLESHOOTING...296
INFORMATION CONTAINED IN TROUBLESHOOTING TABLE...297
E-1 ENGINE DOES NOT START...298
E-2 ENGINE DOES NOT STOP...306
E-3 WHEN WORK EQUIPMENT LOCK (PPC BASIC PRESSURE LOCK) LEVER IS SET IN LOCK POSITION, WORK EQUIPMENT STILL MOVES...310
E-4 WINDSHIELD WIPER DOES NOT OPERATE...314
E-5 WINDSHIELD WASHER DOES NOT OPERATE...316
E-6 TRAVEL ALARM DOES NOT SOUND...320
TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE)...323
INFORMATION CONTAINED IN TROUBLESHOOTING TABLE...324
H-1 SPEED OR POWER OF WHOLE WORK EQUIPMENT, TRAVEL, SWING, AND BLADE IS LOW...325
H-2 ENGINE SPEED LOWERS EXTREMELY OR ENGINE STALLS...329
H-3 WHOLE WORK EQUIPMENT, TRAVEL SYSTEM, SWING SYSTEM, AND BLADE DO NOT WORK...330
H-4 ABNORMAL SOUND COMES OUT FROM AROUND HYDRAULIC PUMP...333
H-5 FINE CONTROL PERFORMANCE OR RESPONSE IS LOW...333
H-6 SPEED OR POWER OF BOOM IS LOW...334
H-7 SPEED OR POWER OF ARM IS LOW...335
H-8 SPEED OR POWER OF BUCKET IS LOW...336
H-9 SPEED OR POWER OF BOOM SWING IS LOW...337
H-10 WORK EQUIPMENT DOES NOT MOVE SINGLY...338
H-11 WORK EQUIPMENT HYDRAULIC DRIFT IS LARGE...339
H-12 TIME LAG OF WORK EQUIPMENT IS LARGE...340
H-13 IN COMPOUND OPERATION OF WORK EQUIPMENT, SPEED OF PART LOADED MORE IS LOW...340
H-14 MACHINE DEVIATES DURING TRAVEL...341
H-15 TRAVEL SPEED OR TRAVEL POWER IS LOW (WHILE WORK EQUIPMENT IS NORMAL)...343
H-16 MACHINE IS NOT STEERED WELL OR STEERING POWER IS LOW...344
H-17 TRAVEL SPEED DOES NOT CHANGE...345
H-18 TRAVEL MOTOR DOES NOT WORK...346
H-19 SPEED OR POWER OF SWING IS LOW...348
H-20 MACHINE DOES NOT SWING...350
H-21 SWING ACCELERATION PERFORMANCE IS LOW...352
H-22 MACHINE OVERRUNS WHEN IT STOPS SWINGING...354
H-23 LARGE SHOCK IS MADE WHEN MACHINE STOPS SWINGING...355
H-24 WHEN UPPER STRUCTURE STOPS SWINGING, IT MAKES LARGE SOUND...355
H-25 HYDRAULIC DRIFT OF SWING IS LARGE...356
H-26 SPEED OR POWER OF BLADE IS LOW...357
H-27 BLADE DOES NOT MOVE...358
H-28 HYDRAULIC DRIFT OF BLADE IS LARGE...358
TROUBLESHOOTING OF MONITOR PANEL SYSTEM (M MODE)...359
BEFORE STARTING M-MODE TROUBLESHOOTING...360
INFORMATION CONTAINED IN TROUBLESHOOTING TABLE...361
SYSTEM DIAGRAM RELATED TO MONITOR PANEL...362
M-1 WHEN STARTING SWITCH IS TURNED ON, ANY ITEM DOES NOT OPERATE...364
M-2 WHEN STARTING SWITCH IS TURNED ON, SOME ITEMS DO NOT OPERATE...366
M-3 ALARM BUZZER IS ABNORMAL...367
M-4 ENGINE OIL PRESSURE CAUTION IS TURNED ON...369
M-5 CHARGE LEVEL CAUTION IS TURNED ON...370
M-6 PREHEATING SYSTEM DOES NOT OPERATE OR PREHEATER DOES NOT BECOME HOT...374
M-7 COOLANT TEMPERATURE GAUGE IS ABNORMAL...376
M-8 FUEL LEVEL GAUGE IS ABNORMAL...381
M-9 SERVICE METER DOES NOT OPERATE WHILE ENGINE IS RUNNING...385
M-10 2ND TRAVEL SPEED IS NOT SELECTED...387
M-11 WORKING LAMP DOES NOT LIGHT UP...392
TROUBLESHOOTING OF ENGINE (S MODE)...395
METHOD OF USING TROUBLESHOOTING CHARTS...396
S-1 STARTING PERFORMANCE IS POOR (STARTING ALWAYS TAKES TIME)...400
S-2 ENGINE DOES NOT START...402
S-3 ENGINE DOES NOT PICK UP SMOOTHLY (FOLLOW-UP IS POOR)...405
S-4 ENGINE STOPS DURING OPERATIONS...406
S-5 ENGINE DOES NOT ROTATE SMOOTHLY (HUNTING)...407
S-6 ENGINE LACKS OUTPUT OR LACKS POWER...408
S-7 EXHAUST SMOKE IS BLACK (INCOMPLETE COMBUSTION)...409
S-8 OIL CONSUMPTION IS EXCESSIVE OR EXHAUST SMOKE IS BLUE...410
S-9 OIL BECOMES CONTAMINATED QUICKLY...411
S-10 FUEL CONSUMPTION IS EXCESSIVE...412
S-11 OIL IS IN COOLING WATER, OR WATER SPURTS BACK, OR WATER LEVEL GOES DOWN...413
S-12 OIL PRESSURE CAUTION LAMP LIGHTS UP (DROP IN OIL PRESSURE)...414
S-13 OIL LEVEL RISES (WATER, FUEL IN OIL)...415
S-14 WATER TEMPERATURE BECOMES TOO HIGH (OVERHEATING)...416
S-15 ABNORMAL NOISE IS MADE...417
S-16 VIBRATION IS EXCESSIVE...418
30 DISASSEMBLY AND ASSEMBLY...419
HOW TO READ THIS MANUAL...420
PRECAUTIONS WHEN PERFORMING OPERATION...422
SPECIAL TOOL LIST...424
SKETCHES OF SPECIAL TOOLS...428
REMOVAL AND INSTALLATION OF RADIATOR AND HYDRAULIC OIL COOLER...429
REMOVAL AND INSTALLATION OF ENGINE AND HYDRAULIC PUMP...438
REMOVAL AND INSTALLATION OF TRACK SHOE...445
DISASSEMBLY AND ASSEMBLY OF IDLER...446
DISASSEMBLY AND ASSEMBLY OF RECOIL SPRING...448
DISASSEMBLY AND ASSEMBLY OF TRACK ROLLER...451
DISASSEMBLY AND ASSEMBLY OF CARRIER ROLLER ...453
REMOVAL AND INSTALLATION OF CENTER SWIVEL JOINT...454
DISASSEMBLY AND ASSEMBLY OF CENTER SWIVEL JOINT...457
REMOVAL AND INSTALLATION OF FLOOR FRAME ASSEMBLY...459
REMOVAL AND INSTALLATION OF SWING MOTOR AND SWING MACHINERY...463
DISASSEMBLY AND ASSEMBLY OF SWING MOTOR AND SWING MACHINERY...464
REMOVAL AND INSTALLATION OF WORK EQUIPMENT...470
REMOVAL AND INSTALLATION OF REVOLVING FRAME...472
REMOVAL AND INSTALLATION OF SWING CIRCLE...474
DISASSEMBLY AND ASSEMBLY OF CONTROL VALVE...475
DISASSEMBLY AND ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY...476
REMOVAL AND INSTALLATION OF AIR CONDITIONER UNIT...480
90 OTHERS...483
HYDRAULIC CIRCUIT DIAGRAM MX352...484
HYDRAULIC CIRCUIT DIAGRAM MX502...485
HYDRAULIC CIRCUIT DIAGRAM (Additional attachment circuit) MX502...486
ELECTRICAL CIRCUIT DIAGRAM MX352 (1/2)...487
ELECTRICAL CIRCUIT DIAGRAM MX352 (2/2)...488
ELECTRICAL CIRCUIT DIAGRAM MX502 (1/2)...489
