Komatsu MX352 MX502 Shop Manual SEBM035400 – PDF DOWNLOAD

Description

Komatsu MX352 MX502 Shop Manual SEBM035400 – PDF DOWNLOAD

FILE DETAILS:

Komatsu MX352 MX502 Shop Manual SEBM035400 – PDF DOWNLOAD

Language : English
Pages :491
Downloadable : Yes
File Type : PDF

DESCRIPTION:

Komatsu MX352 MX502 Shop Manual SEBM035400 – PDF DOWNLOAD

• FOREWORD
  GENERAL

• This shop manual has been prepared as an aid to improve the quality of repairs by giving 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.

STRUCTURE AND FUNCTION
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.
In addition, this section may contain hydraulic circuit diagrams, electric circuit diagrams, and maintenance
standards.
TESTING AND ADJUSTING
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” with “Causes” are also included in this section.
DISASSEMBLY AND ASSEMBLY
This section explains the procedures for removing, installing, disassembling and assembling each component,
as well as precautions for them.
MAINTENANCE STANDARD
This section gives the judgment standards for inspection of disassembled parts.
The contents of this section may be described in STRUCTURE AND FUNCTION.
OTHERS
This section mainly gives hydraulic circuit diagrams and electric circuit diagrams.
In addition, this section may give the specifications of attachments and options together.

TABLE OF CONTENTS:

Komatsu MX352 MX502 Shop Manual SEBM035400 – PDF DOWNLOAD

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
CLSS112
OPERATION FOR EACH FUNCTION AND VALVE116
SWING MOTOR138
PPC VALVE147
WORK EQUIPMENT155
DIMENSIONS OF EACH PART OF WORK EQUIPMENT158
FLOOR164
AIR CONDITIONER165
ENGINE CONTROL166
ELECTRIC CONTROL SYSTEM168
COMPONENT PARTS OF SYSTEM173
MONITOR SYSTEM174
MONITOR PANEL175
SENSORS177
20 TESTING AND ADJUSTING179
STANDARD VALUE TABLE FOR ENGINE RELATED PARTS180
STANDARD VALUE TABLE FOR CHASSIS RELATED PARTS182
TESTING AND ADJUSTING197
LIST OF TESTING, ADJUSTING, AND TROUBLESHOOTING TOOLS198
MEASURING ENGINE SPEED200
MEASUREMENT OF EXHAUST GAS COLOR201
ADJUSTING VALVE CLEARANCE202
MEASURING COMPRESSION PRESSURE205
MEASURING ENGINE OIL PRESSURE206
TESTING AND ADJUSTING FUEL INJECTION TIMING207
TESTING AND ADJUSTING ALTERNATOR BELT TENSION209
ADJUSTING FUEL CONTROL LEVER210
TESTING WEAR OF SPROCKET211
TESTING AND ADJUSTING TRACK SHOE TENSION212
MEASURING AND ADJUSTING OIL PRESSURES IN WORK EQUIPMENT, TRAVEL, BOOM SWING, SWING, AND BLADE CIRCUITS213
MEASURING AND ADJUSTING LS DIFFERENTIAL PRESSURE217
ADJUSTING PC VALVE221
MEASURING AND ADJUSTING CONTROL PUMP CIRCUIT OIL PRESSURE222
MEASURING SOLENOID VALVE OUTPUT PRESSURE224
MEASURING PPC VALVE OUTPUT PRESSURE226
ADJUSTING PPC VALVE229
MEASURING SWING HOLDING BRAKE RELEASE PRESSURE230
TESTING AND ADJUSTING TRAVEL DEVIATION231
MEASUREMENT OF OIL LEAKAGE FROM WORK EQUIPMENT CYLINDER233
BLEEDING AIR FROM EACH PART235
RELEASING RESIDUAL PRESSURE FROM HYDRAULIC CIRCUIT238
RELEASING RESIDUAL PRESSURE FROM HYDRAULIC TANK238
PRESSURIZING HYDRAULIC TANK239
INSPECTION PROCEDURES FOR DIODE240
TROUBLESHOOTING241
POINTS TO REMEMBER WHEN TROUBLESHOOTING242
SEQUENCE OF EVENTS IN TROUBLESHOOTING243
POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE244
CHECKS BEFORE TROUBLESHOOTING252
CLASSIFICATION AND PROCEDURES OF TROUBLESHOOTING253
TYPES AND LOCATIONS OF CONNECTORS256
CONNECTOR ARRANGEMENT DIAGRAM262
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS270
T-ADAPTER – BOXES AND T-ADAPTER TABLE292
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)295
BEFORE STARTING E-MODE TROUBLESHOOTING296
INFORMATION CONTAINED IN TROUBLESHOOTING TABLE297
E-1 ENGINE DOES NOT START298
E-2 ENGINE DOES NOT STOP306
E-3 WHEN WORK EQUIPMENT LOCK (PPC BASIC PRESSURE LOCK) LEVER IS SET IN LOCK POSITION, WORK EQUIPMENT STILL MOVES310
E-4 WINDSHIELD WIPER DOES NOT OPERATE314
E-5 WINDSHIELD WASHER DOES NOT OPERATE316
E-6 TRAVEL ALARM DOES NOT SOUND320
TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE)323
INFORMATION CONTAINED IN TROUBLESHOOTING TABLE324
H-1 SPEED OR POWER OF WHOLE WORK EQUIPMENT, TRAVEL, SWING, AND BLADE IS LOW325
H-2 ENGINE SPEED LOWERS EXTREMELY OR ENGINE STALLS329
H-3 WHOLE WORK EQUIPMENT, TRAVEL SYSTEM, SWING SYSTEM, AND BLADE DO NOT WORK330
H-4 ABNORMAL SOUND COMES OUT FROM AROUND HYDRAULIC PUMP333
H-5 FINE CONTROL PERFORMANCE OR RESPONSE IS LOW333
H-6 SPEED OR POWER OF BOOM IS LOW334
H-7 SPEED OR POWER OF ARM IS LOW335
H-8 SPEED OR POWER OF BUCKET IS LOW336
H-9 SPEED OR POWER OF BOOM SWING IS LOW337
H-10 WORK EQUIPMENT DOES NOT MOVE SINGLY338
H-11 WORK EQUIPMENT HYDRAULIC DRIFT IS LARGE339
H-12 TIME LAG OF WORK EQUIPMENT IS LARGE340
H-13 IN COMPOUND OPERATION OF WORK EQUIPMENT, SPEED OF PART LOADED MORE IS LOW340
H-14 MACHINE DEVIATES DURING TRAVEL341
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 LOW344
H-17 TRAVEL SPEED DOES NOT CHANGE345
H-18 TRAVEL MOTOR DOES NOT WORK346
H-19 SPEED OR POWER OF SWING IS LOW348
H-20 MACHINE DOES NOT SWING350
H-21 SWING ACCELERATION PERFORMANCE IS LOW352
H-22 MACHINE OVERRUNS WHEN IT STOPS SWINGING354
H-23 LARGE SHOCK IS MADE WHEN MACHINE STOPS SWINGING355
H-24 WHEN UPPER STRUCTURE STOPS SWINGING, IT MAKES LARGE SOUND355
H-25 HYDRAULIC DRIFT OF SWING IS LARGE356
H-26 SPEED OR POWER OF BLADE IS LOW357
H-27 BLADE DOES NOT MOVE358
H-28 HYDRAULIC DRIFT OF BLADE IS LARGE358
TROUBLESHOOTING OF MONITOR PANEL SYSTEM (M MODE)359
BEFORE STARTING M-MODE TROUBLESHOOTING360
INFORMATION CONTAINED IN TROUBLESHOOTING TABLE361
SYSTEM DIAGRAM RELATED TO MONITOR PANEL362
M-1 WHEN STARTING SWITCH IS TURNED ON, ANY ITEM DOES NOT OPERATE364
M-2 WHEN STARTING SWITCH IS TURNED ON, SOME ITEMS DO NOT OPERATE366
M-3 ALARM BUZZER IS ABNORMAL367
M-4 ENGINE OIL PRESSURE CAUTION IS TURNED ON369
M-5 CHARGE LEVEL CAUTION IS TURNED ON370
M-6 PREHEATING SYSTEM DOES NOT OPERATE OR PREHEATER DOES NOT BECOME HOT374
M-7 COOLANT TEMPERATURE GAUGE IS ABNORMAL376
M-8 FUEL LEVEL GAUGE IS ABNORMAL381
M-9 SERVICE METER DOES NOT OPERATE WHILE ENGINE IS RUNNING385
M-10 2ND TRAVEL SPEED IS NOT SELECTED387
M-11 WORKING LAMP DOES NOT LIGHT UP392
TROUBLESHOOTING OF ENGINE (S MODE)395
METHOD OF USING TROUBLESHOOTING CHARTS396
S-1 STARTING PERFORMANCE IS POOR (STARTING ALWAYS TAKES TIME)400
S-2 ENGINE DOES NOT START402
S-3 ENGINE DOES NOT PICK UP SMOOTHLY (FOLLOW-UP IS POOR)405
S-4 ENGINE STOPS DURING OPERATIONS406
S-5 ENGINE DOES NOT ROTATE SMOOTHLY (HUNTING)407
S-6 ENGINE LACKS OUTPUT OR LACKS POWER408
S-7 EXHAUST SMOKE IS BLACK (INCOMPLETE COMBUSTION)409
S-8 OIL CONSUMPTION IS EXCESSIVE OR EXHAUST SMOKE IS BLUE410
S-9 OIL BECOMES CONTAMINATED QUICKLY411
S-10 FUEL CONSUMPTION IS EXCESSIVE412
S-11 OIL IS IN COOLING WATER, OR WATER SPURTS BACK, OR WATER LEVEL GOES DOWN413
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 MADE417
S-16 VIBRATION IS EXCESSIVE418
30 DISASSEMBLY AND ASSEMBLY419
HOW TO READ THIS MANUAL420
PRECAUTIONS WHEN PERFORMING OPERATION422
SPECIAL TOOL LIST424
SKETCHES OF SPECIAL TOOLS428
REMOVAL AND INSTALLATION OF RADIATOR AND HYDRAULIC OIL COOLER429
REMOVAL AND INSTALLATION OF ENGINE AND HYDRAULIC PUMP438
REMOVAL AND INSTALLATION OF TRACK SHOE445
DISASSEMBLY AND ASSEMBLY OF IDLER446
DISASSEMBLY AND ASSEMBLY OF RECOIL SPRING448
DISASSEMBLY AND ASSEMBLY OF TRACK ROLLER451
DISASSEMBLY AND ASSEMBLY OF CARRIER ROLLER 453
REMOVAL AND INSTALLATION OF CENTER SWIVEL JOINT454
DISASSEMBLY AND ASSEMBLY OF CENTER SWIVEL JOINT457
REMOVAL AND INSTALLATION OF FLOOR FRAME ASSEMBLY459
REMOVAL AND INSTALLATION OF SWING MOTOR AND SWING MACHINERY463
DISASSEMBLY AND ASSEMBLY OF SWING MOTOR AND SWING MACHINERY464
REMOVAL AND INSTALLATION OF WORK EQUIPMENT470
REMOVAL AND INSTALLATION OF REVOLVING FRAME472
REMOVAL AND INSTALLATION OF SWING CIRCLE474
DISASSEMBLY AND ASSEMBLY OF CONTROL VALVE475
DISASSEMBLY AND ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY476
REMOVAL AND INSTALLATION OF AIR CONDITIONER UNIT480
90 OTHERS483
HYDRAULIC CIRCUIT DIAGRAM MX352484
HYDRAULIC CIRCUIT DIAGRAM MX502485
HYDRAULIC CIRCUIT DIAGRAM (Additional attachment circuit) MX502486
ELECTRICAL CIRCUIT DIAGRAM MX352 (1/2)487
ELECTRICAL CIRCUIT DIAGRAM MX352 (2/2)488
ELECTRICAL CIRCUIT DIAGRAM MX502 (1/2)489

IMAGES PREVIEW OF THE MANUAL:

S.M 13/12/24