Complete service repair manual with Electrical Wiring Diagrams for Komatsu Hydraulic Excavator MX352, MX502, with all the technical information to maintain, diagnose, repair, and 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.
054-107-10 – MX45 Operator’s Manual.pdf
054-108-10 – MX27, MX35 Opetator’s Manual.pdf
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
PRODUCT DETAILS:
Total Pages: 1,956 pages
File Format: PDF
Language: English
MAIN SECTIONS
054-107-10 – MX45 Operator&’s Manual….2
Cover….2
Foreword….3
Your Machine Serial Numbers and Dealer….3
Safety Information….5
Signal Words….5
Example of Safety Message Using Signal Word….5
Other Signal Words….5
Safety Labels….6
Example of Safety Label Using Words….6
Example of Safety Label Using Pictogram….6
Introduction….7
Directions of Machine….8
Product Information….8
Machine Serial Number Plate and Its Location….8
Engine Serial Number Plate and Its Location….9
Emission Control Information Label and Its Location….9
Service Meter Location….10
Contents….10
Safety….11
Safety Labels….13
Location of Safety Labels….14
Safety Labels….15
Safety Information….21
Safety Rules….21
If Abnormalities Are Found….21
Working Wear and Personal Protective Items….21
Fire Extinguisher and First Aid Kit….22
Safety Equipment….22
Keep Machine Clean….22
Keep Operator’s Compartment Clean….23
Leaving Operator’s Seat with Lock….23
Handrails and Steps….24
Mounting and Dismounting….24
No Persons on Attachments….25
Do Not Get Caught in Articulated Portion….25
Burn Prevention….25
Fire Prevention and Explosion Prevention….26
Action if Fire Occurs….27
Windshield Washer Fluid….27
Falling Objects, Flying Objects and Intruding Objects Prevention….28
Attachment Installation….28
Attachment Combinations….28
Cab Window Glasses….29
Unauthorized Modifications….29
Safety at Jobsite….29
Working on Loose Ground….29
Distance to High Voltage Cables….30
Ensure Good Visibility….30
Ventilation for Enclosed Area….31
Signalman’s Signal and Signs….31
Emergency Exit from Operator’s Cab….31
Asbestos Dust Hazard Prevention….32
Safe Machine Operation….33
Starting Engine….33
Operation….34
Transportation….42
Battery….43
Towing….45
Lifting Objects with Bucket….46
Safe Maintenance Information….47
Warning Tag….47
Keep Work Place Clean and Tidy….47
Appoint Leader When Working with Others….47
Stop Engine Before Carrying Out Maintenance….48
Two Workers for Maintenance When Engine is Running….48
Proper Tools….49
Personnel….49
Attachments….49
Work Under the Machine….50
Noise….50
When Using Hammer….50
Welding Works….50
Removing Battery Terminals….51
Safety First When Using High-Pressure Grease to Adjust Track Tension….51
Do Not Disassemble Recoil Springs….51
Safety Rules for High-Pressure Oil….52
Safety Handling High-Pressure Hoses….52
Waste Materials….53
Air Conditioner Maintenance….53
Compressed Air….53
Periodic Replacement of Safety Critical Parts….53
Operation….55
Machine View Illustrations….57
Overall Machine View….57
Controls and Gauges….58
Detailed Controls and Gauges….59
Monitoring System….59
Switches….64
Control Levers and Pedals….67
Windshield….73
Sliding Door….77
Sliding Window….78
Rear Window….79
Emergency Escape Hammer….80
Cap with Lock….81
Engine Hood….82
Mud Cover….83
Fuse….84
In-Line Fuse….85
Auxiliary Electric Power….86
Operator’s Manual Storage….86
Tool Box….87
Grease Pump Holder….87
Ashtray….87
Machine Operations and Controls….88
Before Starting Engine….88
Starting Engine….100
After Starting Engine….103
Stopping the Engine….106
Check After Shutting Off Engine….106
Machine Operation….107
Steering the Machine….111
Swinging….113
Backhoe Controls and Operations….114
Prohibited Operations….116
General Operation Information….118
Traveling on Slopes….120
Escape from Mud….122
Recommended Applications….123
Bucket Replacement….125
Parking Machine….126
Machine Inspection After Daily Work….127
Locking….128
Rubber Tracks and Turf-Friendly Tracks….129
Transportation….134
Transportation Procedure….134
Loading and Unloading with Trailer….134
Lifting Machine….139
Cold Weather Operation….141
Cold Weather Operation Information….141
Cab Heater in Cold Weather….144
After Daily Work Completion….144
After Cold Weather Season….145
Long-Term Storage….145
Before Storage….145
During Storage….146
After Storage….146
Troubles and Actions….147
Running Out of Fuel….147
Phenomena That Are Not Failures….147
Towing the Machine….148
Severe Job Conditions….148
Discharged Battery….149
Other Trouble….153
Maintenance….157
Maintenance Information….157
Lubricants, Coolant, and Filters….160
Handling Oil, Fuel, and Coolant….160
Electric System Maintenance….162
Lubricants, Fuel, and Coolant Specifications….163
Proper Selection….163
Tightening Torque Specifications….167
Tightening Torque List….167
Maintenance Schedule….169
Maintenance Interval for Hydraulic Breaker….170
Maintenance Procedure….171
Initial 250 Hour Maintenance (Only After the First 250 Hours)….171
When Required….171
Check, Clean, and Replace Air Cleaner Element….171
Clean Inside of Cooling System….174
Clean Water Separator Element….178
Drain Water and Sediment from Fuel Tank….178
Check and Tighten Track Shoe Bolts….179
Check and Adjust Track Tension….180
Check Rubber Tracks or Turf-Friendly Tracks….183
Check and Adjust Rubber Track Tension….185
Replace Bucket Teeth….187
Check Window Washer Fluid Level, Add Fluid….190
Check, Clean and Lubricate Cab Slide Door Rail and Roller….191
Bleeding Air from Hydraulic System….192
Check Before Starting….193
Every 100 Hours Maintenance….194
Lubricating….194
Every 250 Hours Maintenance….195
Replace Engine Oil in Engine Oil Pan….195
Replace Hydraulic Filter Element….196
Check and Adjust Cooling Fan Belt Tension….197
Check Level of Battery Electrolyte….199
Every 500 Hours Maintenance….202
Replace Engine Oil Filter Cartridge….202
Replace Fuel Filter Element….203
Check Oil Level in Final Drive Case, Add Oil….204
Lubricating….205
Clean and Inspect Radiator Fins and Oil Cooler Fins….207
Every 1000 Hours Maintenance….208
Change Oil in Final Drive Case….208
Check Engine Valve Clearance, Adjust….208
Every 2000 Hours Maintenance….209
Change Oil in Hydraulic Tank, Clean Strainer….209
Check Alternator, Starting Motor….211
Specifications….213
Attachments and Options….215
General Information….217
Safety First….217
Attachment Installation….219
Bucket with Hook….220
Hook Condition….220
Prohibited Operations….220
Air Conditioner….221
Control Panel and Components….221
Air Conditioner Controls….223
Air Conditioner Maintenance….223
Defroster Controls….228
Control Panel….228
Machine Ready for Attachment….230
Locations….230
Hydraulic Circuit….233
Attachment Operation….234
Long-Term Storage….236
Changing Machine Control Pattern….237
Control Pattern Change Procedure….237
Machine Control Patterns….238
Telescopic Arm….239
Extension and Retraction of Arm….239
Precautions in Use….241
Maintenance Procedure….244
Specifications….245
Power Angle, Power Tilt Blade….247
Blade Control Lever….247
Every 100 Hours Service….248
Every 500 Hours Service….249
Specifications….249
Attachment Guide….250
Attachment Combinations….250
Recommended Attachment Operations….252
Hydraulic Breaker….252
Support….257
Procedure….257
Resources….257
Publications….257
Ditch Witch Training….257
Warranty….258
054-108-10 – MX27, MX35 Opetator&’s Manual….261
Cover….261
Foreword….262
Your Machine Serial Numbers and Dealer….262
Safety Information….264
Signal Words….264
Example of Safety Message Using Signal Word….264
Other Signal Words….264
Safety Labels….265
Example of Safety Label Using Words….265
Example of Safety Label Using Pictogram….265
Introduction….266
Directions of Machine….267
Product Information….267
Machine Serial Number Plate and Its Location….267
Engine Serial Number Plate and Its Location….268
Emission Control Information Label and Its Location….268
Service Meter Location….269
Contents….269
Safety….270
Chapter Contents….270
Safety Labels….273
Location of Safety Labels….273
Safety Labels….274
Safety Information….277
Safety Rules….277
If Abnormalities Are Found….277
Working Wear and Personal Protective Items….277
Fire Extinguisher and First Aid Kit….278
Safety Equipment….278
Keep Machine Clean….278
Keep Operator’s Compartment Clean….279
Leaving Operator’s Seat with Lock….279
Handrails and Steps….280
Mounting and Dismounting….280
No Persons on Attachments….281
Burn Prevention….281
Fire Prevention and Explosion Prevention….282
Action if Fire Occurs….283
Windshield Washer Fluid….283
Falling Objects, Flying Objects and Intruding Objects Prevention….284
Attachment Installation….284
Attachment Combinations….284
Cab Window Glasses….285
Unauthorized Modifications….285
Safety at Jobsite….285
Working on Loose Ground….285
Distance to High Voltage Cables….286
Ensure Good Visibility….286
Ventilation for Enclosed Area….287
Signalperson’s Signal and Signs….287
Emergency Exit from Operator’s Cab….287
Asbestos Dust Hazard Prevention….288
Safe Machine Operation….289
Starting Engine….289
Operation….290
Transportation….298
Battery….299
Towing….301
Lifting Objects with Bucket….302
Safe Maintenance Information….303
Warning Tag….303
Keep Work Place Clean and Tidy….303
Appoint Leader When Working with Others….303
Stop Engine Before Carrying Out Maintenance….304
Two Workers for Maintenance When Engine is Running….305
Proper Tools….305
Personnel….305
Accumulator….306
Attachements….306
Work Under the Machine….306
Noise….307
When Using Hammer….307
Welding Works….307
Removing Battery Terminals….307
Safety First When Using High-Pressure Grease to Adjust Track Tension….308
Do Not Disassemble Recoil Springs….308
Safety Rules for High-Pressure Oil….309
Safety Handling High-Pressure Hoses….309
Waste Materials….310
Air Conditioner Maintenance….310
Compressed Air….310
Periodic Replacement of Safety Critical Parts….310
Operation….312
Machine View Illustrations….314
Overall Machine View….314
Controls and Gauges….315
Detailed Controls and Gauges….316
Monitoring System….316
Switches….321
Control Levers and Pedals….324
Windshield….330
Sliding Door….335
Rear Window….336
Emergency Escape Hammer….337
Cover with Lock….338
Engine Hood….339
Fuse….340
In-Line Fuse….341
Operator’s Manual Storage….341
Tool Box….342
Grease Gun Holder….342
Machine Operations and Controls….343
Before Starting Engine….343
Starting Engine….355
After Starting Engine….359
Stopping the Engine….362
Check After Engine Shutoff….363
Machine Operation….363
Steering the Machine….367
Swinging….369
Backhoe Controls and Operations….370
Prohibited Operations….372
General Operation Information….375
Traveling on Slopes….376
Escape from Mud….378
Work Possible Using Compact Hydraulic Excavator….379
Bucket Replacement….381
Parking Machine….382
Machine Inspection After Daily Work….384
Locking….384
Rubber Tracks and Turf-Friendly Tracks….385
Transportation….391
Loading and Unloading with Trailer….391
Lifting Machine….398
Cold Weather Operation….400
Cold Weather Operation Information….400
Cab Heater in Cold Weather….402
After Daily Work Completion….402
After Cold Weather Season….402
Long Term Storage….403
Before Storage….403
During Storage….403
After Storage….404
Starting Machine After Long-Term Storage….404
Troubles and Actions….405
Running Out of Fuel….405
Phenomena That Are Not Failures….405
Towing the Machine….406
Severe Job Conditions….406
Discharged Battery….407
Other Trouble….411
Maintenance….416
Maintenance Information….416
Lubricants, Coolant, and Filters….419
Handling Oil, Fuel, and Coolant….419
Electric System Maintenance….421
Lubricants, Fuel, and Coolant Specifications….422
Proper Selection….422
Tightening Torque Specifications….426
Tightening Torque List….426
Maintenance Schedule….428
Maintenance Interval for Hydraulic Breaker….429
Maintenance Procedure….430
Initial 250 Hour Maintenance (Only After the First 250 Hours)….430
When Required….430
Check, Clean, and Replace Air Cleaner Element….430
Clean Inside of Cooling System….433
Check Level of Battery Electrolyte….437
Clean Fuel Filter Element….440
Check and Tighten Track Shoe Bolts….441
Check and Adjust Track Tension….442
Check Rubber Tracks or Turf-Friendly Tracks….445
Replace Bucket Teeth….447
Check, Clean and Lubricate Cab Side Door Rail and Roller….451
Drain Water and Sediment from Fuel Tank….452
Check Before Starting….452
Every 100 Hours Maintenance….453
Lubricating….453
Every 250 Hours Maintenance….456
Replace Engine Oil….456
Check Oil Level in Final Drive Case, Add Oil….457
Replace Hydraulic Filter Element….458
Check and Adjust Cooling Fan Belt Tension….460
Every 500 Hours Maintenance….461
Lubricating….461
Replace Engine Oil Filter Cartridge….462
Replace Fuel Filter Element….463
Clean and Inspect Radiator Fins and Oil Cooler Fins….464
Replace Fuel Feed Pump Pre-Filter….465
Every 1000 Hours Maintenance….466
Change Oil in Final Drive Case….466
Every 2000 Hours Maintenance….467
Change Oil in Hydraulic Tank, Clean Strainer….467
Check Alternator, Starting Motor….469
Check Engine Valve Clearance, Adjust….469
Specifications….470
Attachments and Options….472
General Information….474
Safety First….474
Attachment Installation….476
Bucket with Hook….477
Hook Condition….477
Prohibited Operations….477
Air Conditioner….478
Control Panel and Components….478
Air Conditioner Controls….479
Air Conditioner Maintenance….480
Radio….482
Control Panel….482
Controls of Radio….486
Care for Radio….487
Windshield Washer….488
Windshield Washer Operation….488
Check Window Washer Fluid Level, Add Fluid….488
Machine Ready for Attachment….489
Locations….489
Hydraulic Circuit….491
Attachment Operation….493
Long-Term Storage….495
Specifications….495
Changing Machine Control Pattern….496
Control Pattern Change Procedure….496
Machine Control Patterns….497
Attachment Guide….498
Attachment Combinations….498
Hydraulic Breaker….500
Support….504
Procedure….504
Resources….504
Publications….504
Ditch Witch Training….504
Warranty….505
054-109-10 – MX15 Operatoer&’s Manual….508
Cover….508
Foreword….509
Your Machine Serial Numbers and Dealer….509
Safety Information….511
Signal Words….511
Example of Safety Message Using Signal Word….511
Other Signal Words….511
Safety Labels….512
Example of Safety Label Using Words….512
Example of Safety Label Using Pictogram….512
Introduction….514
Directions of Machine….514
Product Information….515
Machine Serial Number Plate and Its Location….515
Engine Serial Number Plate and Its Location….515
Emission Control Information Label and Its Location….516
Service Meter Location….516
Contents….517
Safety….519
Chapter Contents….519
Safety Labels….522
Location of Safety Labels….522
Safety Labels….523
Safety Information….526
Safety Rules….526
If Abnormalities Are Found….526
Working Wear and Personal Protective Items….526
Fire Extinguisher and First Aid Kit….527
Safety Equipment….527
Keep Machine Clean….527
Keep Operator’s Compartment Clean….528
Leaving Operator’s Seat with Lock….528
Handrails and Steps….529
Crushing or Cutting Prevention….529
Mounting and Dismounting….529
No Persons on Attachments….530
Burn Prevention….530
Fire Prevention and Explosion Prevention….531
Action if Fire Occurs….532
Windshield Washer Fluid….532
Falling Objects, Flying Objects and Intruding Objects Prevention….533
Attachment Installation….533
Attachment Combinations….533
Cab Window Glasses….534
Unauthorized Modifications….534
Safety at Jobsite….534
Working on Loose Ground….534
Distance to High Voltage Cables….535
Ensure Good Visibility….535
Ventilation for Enclosed Area….536
Signalperson’s Signal and Signs….536
Asbestos Dust Hazard Prevention….536
Safe Machine Operation….537
Starting Engine….537
Operation….538
Transportation….546
Battery….547
Towing….549
Lifting Objects with Bucket….550
Safe Maintenance Information….551
Warning Tag….551
Keep Work Place Clean and Tidy….551
Appoint Leader When Working with Others….551
Stop Engine Before Carrying Out Maintenance….553
Two Workers for Maintenance When Engine is Running….553
Proper Tools….553
Personnel….553
Accumulator….554
Attachments….554
Work Under the Machine….554
Noise….555
When Using Hammer….555
Welding Works….555
Removing Battery Terminals….555
Safety First When Using High-Pressure Grease to Adjust Track Tension….556
Do Not Disassemble Recoil Springs….556
Safety Rules for High-Pressure Oil….557
Safety Handling High-Pressure Hoses….557
Waste Materials….558
Air Conditioner Maintenance….558
Compressed Air….558
Periodic Replacement of Safety Critical Parts….558
Operation….559
Machine View Illustrations….561
Overall Machine View….561
Controls and Gauges….562
Detailed Controls and Gauges….563
Machine Monitor….563
Switches….567
Control Levers and Pedals….569
Cover with Lock….577
Engine Hood….578
Fuse….579
In-Line Fuse….579
Operator’s Manual Storage….580
Tipping Operator’s Seat….580
Machine Operations and Controls….581
Before Starting Engine….581
Starting Engine….592
After Starting Engine….596
Stopping the Engine….599
Check After Engine Shutoff….600
Machine Operation….600
Steering the Machine….604
Swinging….606
Backhoe Controls and Operations….607
Prohibited Operations….609
General Operation Information….612
Traveling on Slopes….613
Escape from Mud….615
Work Possible Using Compact Hydraulic Excavator….616
Bucket Replacement….618
Parking Machine….619
Machine Inspection After Daily Work….621
Locking….621
Rubber Tracks and Turf-Friendly Tracks….622
Transportation….628
Loading and Unloading with Trailer….628
Lifting Machine….632
Cold Weather Operation….634
Cold Weather Operation Information….634
After Daily Work Completion….636
After Cold Weather Season….636
Long-Term Storage….637
Before Storage….637
During Storage….637
After Storage….638
Troubles and Actions….639
Running Out of Fuel….639
Phenomena That Are Not Failures….639
Towing the Machine….640
Severe Job Conditions….640
Discharged Battery….641
Other Trouble….645
Maintenance….649
Maintenance Information….649
Lubricants, Coolant, and Filters….652
Handling Oil, Fuel, and Coolant….652
Electric System Maintenance….654
Handling Hydraulic System….655
Lubricants, Fuel, and Coolant Specifications….656
Proper Selection….656
Tightening Torque Specifications….660
Tightening Torque List….660
Maintenance Schedule….662
Maintenance Interval for Hydraulic Breaker….663
Maintenance Procedure….664
Initial 250 Hour Maintenance (Only After the First 250 Hours)….664
When Required….664
Check, Clean, and Replace Air Cleaner Element….664
Clean Inside of Cooling System….667
Check Level of Battery Electrolyte….670
Check Fuel Filter Element….673
Check and Adjust Track Tension….674
Check Rubber Tracks….676
Replace Bucket Teeth….679
Drain Water and Sediment from Fuel Tank….680
Check Before Starting….681
Every 100 Hours Maintenance….681
Lubricating….681
Every 250 Hours Maintenance….683
Replace Engine Oil, Filter….683
Check Oil Level in Final Drive Case, Add Oil….684
Replace Hydraulic Filter Element….685
Check and Adjust Cooling Fan Belt Tension….687
Every 500 Hours Maintenance….688
Lubricating….688
Replace Fuel Filter Element….689
Clean and Inspect Radiator Fins….691
Replace Fuel Feed Pump Pre-Filter….692
Every 1000 Hours Maintenance….693
Change Oil in Final Drive Case….693
Every 2000 Hours Maintenance….694
Change Oil in Hydraulic Tank, Clean Strainer….694
Check Alternator, Starting Motor….696
Check Engine Valve Clearance, Adjust….696
Specifications….697
Attachments and Options….699
General Information….700
Safety First….700
Attachment Installation….702
Bucket with Hook….703
Hook Condition….703
Prohibited Operations….703
Machine Ready for Attachment….704
Locations….704
Hydraulic Circuit….706
Attachment Operation….708
Attachment Guide….710
Attachment Combinations….710
Hydraulic Breaker….712
Support….717
Procedure….717
Resources….717
Publications….717
Ditch Witch Training….717
Warranty….718
054-110-10 – MX9 Operator&’s Manual….721
Cover….721
Foreword….722
Your Machine Serial Numbers and Dealer….722
Safety Information….724
Signal Words….724
Example of Safety Message Using Signal Word….724
Other Signal Words….724
Safety Labels….725
Example of Safety Label Using Words….725
Example of Safety Label Using Pictogram….725
Introduction….726
Directions of Machine….727
Product Information….727
Machine Serial Number Plate and Its Location….727
Engine Serial Number Plate and Its Location….728
Emission Control Information Label and Its Location….728
Service Meter Location….729
Contents….729
Safety….730
Safety Labels….732
Location of Safety Labels….732
Safety Labels….733
Safety Information….735
Safety Rules….735
If Abnormalities Are Found….735
Working Wear and Personal Protective Items….735
Fire Extinguisher and First Aid Kit….736
Safety Equipment….736
Keep Machine Clean….736
Keep Operator’s Compartment Clean….737
Leaving Operator’s Seat with Lock….737
Handrails and Steps….738
Mounting and Dismounting….738
No Persons on Attachments….739
Burn Prevention….739
Fire Prevention and Explosion Prevention….740
Action If Fire Occurs….741
Falling Objects, Flying Objects and Intruding Objects Prevention….742
Attachment Installation….742
Attachment Combinations….742
Unauthorized Modifications….742
Safety at Jobsite….743
Working on Loose Ground….743
Distance to High Voltage Cables….744
Ensure Good Visibility….744
Ventilation for Enclosed Area….745
Signalperson’s Signal and Signs….745
Asbestos Dust Hazard Prevention….745
Safe Machine Operation….746
Starting Engine….746
Operation….747
Transportation….755
Battery….756
Towing….758
Lifting Objects with Bucket….759
Safe Maintenance Information….760
Warning Tag….760
Keep Work Place Clean and Tidy….760
Appoint Leader When Working with Others….760
Stop Engine Before Carrying Out Maintenance….761
Two Workers for Maintenance When Engine Is Running….762
Proper Tools….762
Personnel….762
Attachments….763
Work Under the Machine….763
Noise….763
When Using Hammer….764
Welding Works….764
Removing Battery Terminals….764
Safety First When Using High-Pressure Grease to Adjust Track Tension….765
Safety Rules for High-Pressure Oil….765
Safety Handling High-Pressure Hoses….766
Waste Materials….766
Compressed Air….767
Periodic Replacement of Safety Critical Parts….767
Operation….768
Machine View Illustrations….770
Overall Machine View….770
Controls and Gauges….771
Detailed Controls and Gauges….772
Meters and Lamps….772
Switches….774
Control Levers and Pedals….777
Variable Blade….786
Engine Hood….787
Fuse….787
In-Line Fuse….788
Operator’s Manual Storage….789
Machine Operations and Controls….790
Before Starting Engine….790
Starting Engine….801
After Starting Engine….804
Stopping the Engine….806
Check After Shutting Off Engine….807
Machine Operation….808
Steering the Machine….813
Swinging….815
Backhoe Controls and Operations….816
Prohibited Operations….818
General Operation Information….821
Traveling on Slopes….822
Escape from Mud….824
Recommended Applications….825
Bucket Replacement….827
Parking Machine….829
Machine Inspection After Daily Work….830
Rubber Tracks….831
Transportation….836
Transportation Procedure….836
Loading and Unloading with Trailer….836
Lifting Machine….838
Shipping Machine Information….840
Cold Weather Operation….841
Cold Weather Operation Information….841
After Daily Work Completion….843
After Cold Weather Season….843
Long-Term Storage….844
Before Storage….844
During Storage….844
After Storage….845
Starting Machine After Long-Term Storage….845
Troubles and Actions….846
Running Out of Fuel….846
Conditions That Are Not Failures….846
Towing the Machine….847
Severe Job Conditions….847
Discharged Battery….848
Battery Removal and Installation….849
Battery Charging….848
Starting Engine with Jumper Cables….850
Other Trouble….853
Maintenance….858
Maintenance Information….858
Lubricants, Coolant, and Filters….861
Handling Oil, Fuel, and Coolant….861
Electrical System Maintenance….863
Lubricants, Fuel, and Coolant Specifications….864
Proper Selection….864
Tightening Torque Specifications….868
Tightening Torque List….868
Maintenance Schedule….870
Maintenance Interval for Hydraulic Breaker….871
Maintenance Procedure….872
Initial 250 Hour Maintenance (Only After the First 250 Hours)….872
When Required….873
Clean and Replace Air Cleaner Element….873
Flush Cooling System….875
Check Level of Battery Electrolyte….879
Check Rubber Tracks….882
Check and Adjust Track Tension….884
Drain Water and Sediment from Fuel Tank….887
Checks Before Starting….887
Every 100 Hours Maintenance….888
Lubricating….888
Every 250 Hours Maintenance….889
Lubricating….889
Replace Engine Oil….889
Check Oil Level In Final Drive Case, Add Oil….890
Replace Hydraulic Filter Element….891
Check and Adjust Cooling Fan Belt Tension….892
Every 500 Hours Maintenance….893
Lubricating….893
Replace Engine Oil Filter Element….894
Replace Fuel Filter Element….895
Replace Fuel Feed Pump Pre-Filter….897
Clean and Inspect Radiator Fins and Oil Cooler Fins….898
Every 1000 Hours Maintenance….899
Change Oil In Final Drive Case….899
Every 2000 Hours Maintenance….900
Change Oil In Hydraulic Tank, Clean Strainer….900
Check Alternator and Starting Motor….901
Check and Adjust Engine Valve Clearance….901
Specifications….902
Attachments and Options….904
General Information….905
Safety First….905
Attachment Installation….907
Bucket with Hook….908
Hook Condition….908
Prohibited Operations….908
Attachment Guide….909
Attachment Combinations….909
Handling Arm with Built-In Breaker….911
Bucket Position….911
Removing and Installing Chisel….911
Procedure for Breaker Operations….913
Precautions When Carrying Out Breaker Operations….914
Stowing Chisel, Dummy Chisel….915
Precautions When Carrying Out Bucket Operations….915
Handling Dummy Link….916
Check Before Starting….917
Specifications….918
Handling Bucket Coupler….919
Procedure for Removing Bucket….919
Procedure for Installing Bucket….921
Recommended Attachment Operations….923
Hydraulic Breaker….923
Support….928
Procedure….928
Resources….928
Publications….928
Ditch Witch Training….928
Warranty….929
SEAM061600 – Hydraulic Excavator MX352 Operation & Maintenance Manual….932
COVER….932
FOREWORD….933
FOREWORD….934
SAFETY INFORMATION….937
INTRODUCTION….939
DIRECTIONS OF MACHINE….939
PRODUCT INFORMATION….940
PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. PLATE….940
ENGINE SERIAL NUMBER PLATE AND ITS LOCATION….940
EMISSION CONTROL INFORMATION LABEL AND ITS LOCATION….941
SERVICE METER LOCATION….941
YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR….941
CONTENTS….942
SAFETY….949
SAFETY INFORMATION….950
SAFETY LABELS….952
LOCATION OF SAFETY LABELS….952
SAFETY LABELS….953
SAFETY INFORMATION….958
SAFETY MACHINE OPERATION….968
STARTING ENGINE….968
OPERATION….970
TRANSPORTATION….976
BATTERY….977
TOWING….979
LIFTING OBJECTS WITH BUCKET….980
SAFETY MAINTENANCE INFORMATION….981
OPERATION….989
MACHINE VIEW ILLUSTRATIONS….990
OVERALL MACHINE VIEW….990
CONTROLS AND GAUGES….991
DETAILED CONTROLS AND GAUGES….992
MONITORING SYSTEM….992
Emergency Monitors….993
Meter Display Portion….995
Pilot Lamps….997
Monitor Switches Portion….998
SWITCHES….1000
CONTROL LEVERS AND PEDALS….1004
WINDSHIELD….1010
SLIDING DOOR….1014
SLIDING WINDOW….1014
EMERGENCY ESCAPE HAMMER….1015
COVER WITH LOCK….1016
Opening and Closing Covers with Lock….1016
ENGINE REAR COVER….1017
COOLING COVER….1018
MUD COVER….1019
METHOD OF OPENING (TILTING) FLOOR….1020
FUSE….1025
BLOCK FUSE….1026
OPERATION MANUAL STORAGE….1026
TOOL BOX….1026
GREASE GUN HOLDER….1027
ASHTRAY….1027
MACHINE OPERATIONS AND CONTROLS….1028
BEFORE STARTING ENGINE….1028
Walk-around Checks….1028
Checks Before Starting….1030
Adjustment….1036
Seat Belt….1038
Operations Before Starting Engine….1040
STARTING ENGINE….1042
Normal Starting….1042
Starting Engine in Cold Weather….1043
AFTER STARTING ENGINE….1046
Breaking-in the New Machine….1046
Warming-up Operation….1047
STOPPING THE ENGINE….1049
MACHINE OPERATION….1050
Preparations for Moving the Machine Off….1050
Moving Machine Forward….1051
Moving Machine Backward….1052
Stopping Machine….1054
STEERING THE MACHINE….1055
Steering….1055
SWINGING….1057
WORK EQUIPMENT CONTROLS AND OPERATIONS….1058
PROHIBITED OPERATIONS….1060
GENERAL OPERATION INFORMATION….1062
TRAVELING ON SLOPES….1064
ESCAPE FROM MUD….1066
Stuck One Side of Track….1066
Stuck Both Sides of Tracks….1066
WORK POSSIBLE USING COMPACT HYDRAULIC EXCAVATOR….1067
Backhoe work….1067
Ditching work….1067
Loading work….1067
Smoothing work….1068
Side ditching work….1068
BUCKET REPLACEMENT….1069
PARKING MACHINE….1070
MACHINE INSPECTION AFTER DAILY WORK….1071
Before stop engine….1071
After stop engine….1071
LOCKING….1072
RUBBER SHOES AND ROAD LINERS….1073
Rubber Shoes and Road Liners Information….1073
Warranty for Rubber Shoes and Road Liners….1073
Using Rubber Shoes and Road Liners….1074
Long Life Operations….1075
TRANSPORTATION….1079
TRANSPORTATION PROCEDURE….1079
LOADING AND UNLOADING WITH TRAILER….1080
Loading….1081
Securing Machine….1083
Unloading….1084
LIFTING MACHINE….1086
COLD WEATHER OPERATION….1089
COLD WEATHER OPERATION INFORMATION….1089
Fuel and Lubricants….1089
Cooling System Coolant….1089
Battery….1090
CAB HEATER IN COLD WEATHER….1090
AFTER DAILY WORK COMPLETION….1091
AFTER COLD WEATHER SEASON….1091
LONG TERM STORAGE….1092
BEFORE STORAGE….1092
DURING STORAGE….1093
AFTER STORAGE….1093
TROUBLES AND ACTIONS….1094
RUNNING OUT OF FUEL….1094
PHENOMENA THAT ARE NOT FAILURES….1094
TOWING THE MACHINE….1095
SEVERE JOB CONDITION….1095
DISCHARGED BATTERY….1096
Battery Removal and Installation….1097
Battery Charges….1098
Starting Engine with Booster Cables….1099
OTHER TROUBLE….1101
Electrical System….1101
Chassis….1102
Engine….1103
MAINTENANCE….1105
MAINTENANCE INFORMATION….1106
LUBRICANTS, COOLANT AND FILTERS….1109
HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC….1109
Oil….1109
Fuel….1109
Cooling System Coolant….1110
Grease….1110
Carrying Out KOWA (Komatsu Oil Wear Analysis)….1111
Oil and Fuel Storage….1112
Filters….1112
ELECTRIC SYSTEM MAINTENANCE….1112
HANDLING HYDRAULIC SYSTEM….1113
WEAR PARTS….1114
WEAR PARTS LIST….1114
LUBRICANTS, FUEL AND COOLANT SPECIFICATIONS….1115
TIGHTENING TORQUE SPECIFICATIONS….1119
TIGHTENING TORQUE LIST….1119
SAFETY CRITICAL PARTS….1121
SAFETY CRITICAL PARTS LIST….1121
MAINTENANCE SCHEDULE….1122
MAINTENANCE SCHEDULE CHART….1122
MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER….1123
MAINTENANCE PROCEDURE….1124
WHEN REQUIRED….1124
CHECK, CLEAN AND REPLACE AIR CLEANER ELEMENT….1124
CLEAN INSIDE OF COOLING SYSTEM….1126
CHECK LEVEL OF BATTERY ELECTROLYTE….1129
CLEAN WATER SEPARATOR ELEMENT….1131
DRAIN WATER AND SEDIMENT FROM FUEL TANK….1132
CHECK AND TIGHTEN TRACK SHOE BOLTS….1132
CHECK AND ADJUST TRACK TENSION….1133
CHECK, RUBBER SHOES OR ROAD LINERS….1135
CHECK AND ADJUST RUBBER SHOE TENSION….1137
REPLACE RUBBER SHOES….1139
REPLACE ROAD LINERS….1141
REPLACE BUCKET TEETH….1142
CHECK WINDOW WASHER FLUID LEVEL, ADD FLUID….1145
CHECK, CLEAN AND LUBRICATE CAB SLIDE DOOR RAIL AND ROLLER….1146
LUBRICATING….1146
BLEEDING AIR FROM HYDRAULIC SYSTEM….1147
CHECK BEFORE STARTING….1149
EVERY 500 HOURS MAINTENANCE….1150
LUBRICATING….1150
CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE….1153
REPLACE FUEL FILTER CARTRIDGE….1154
CHECK OIL LEVEL IN FINAL DRIVE CASE, ADD OIL….1156
CLEAN AND INSPECT RADIATOR FINS AND OIL COOLER FINS….1157
CHECK AND ADJUST COOLING FAN BELT TENSION….1158
EVERY 1000 HOURS MAINTENANCE….1159
REPLACE HYDRAULIC OIL FILTER ELEMENT….1159
CHANGE OIL IN FINAL DRIVE CASE….1161
CHECK ENGINE VALVE CLEARANCE, ADJUST….1161
EVERY 2000 HOURS MAINTENANCE….1162
CHANGE OIL IN HYDRAULIC TANK, CLEAN STRAINER….1162
CHECK ALTERNATOR, STARTING MOTOR….1164
SPECIFICATIONS….1165
SPECIFICATIONS….1166
ATTACHMENTS AND OPTIONS….1169
ATTACHMENTS AND OPTIONS – GENERAL INFORAMTION….1170
SAFETY FIRST….1170
ATTACHMENT INSTALLATION….1171
BUCKET WITH HOOK….1172
PROHIBITED OPERATIONS….1172
AIR CONDITIONER….1173
CONTROL PANEL AND COMPONENTS….1173
AIR CONDITIONER CONTROLS….1174
AIR CONDITIONER MAINTENANCE….1175
When Required….1175
Every 250 Hours Maintenance….1176
Every 500 Hours Maintenance….1177
RADIO….1180
CONTROL PANEL….1180
CONTROLS OF RADIO….1181
Listening to radio….1181
Automatic Tuning….1182
Manual Tuning….1182
Preset Station Buttons….1182
Using auto memory….1183
Time Adjustment….1183
Automatic selection of reception for monaural/stereo….1184
Antenna….1184
CARE FOR RADIO….1184
WINDSHIELD WASHER….1185
WINDSHIELD WASHER OPERATION….1185
CHECK WINDOW WASHER FLUID LEVEL, ADD FLUID….1185
MACHINE READY FOR ATTACHMENT….1186
LOCATIONS….1186
HYDRAULIC CIRCUIT….1189
Hydraulic Circuit Connection….1189
ATTACHMENT OPERATIONS….1191
When Using Breaker….1191
When Using General Attachment Such as Crusher….1192
LONG TERM STORAGE….1192
SPECIFICATIONS….1192
CHANGING MACHINE CONTROL PATTERN (IF PATTERN CHANGE VALVE EQUIPPED)….1193
CONTROL PATTERN CHANGE PROCEDURE….1193
MACHINE CONTROL PATTERNS….1194
ATTACHMENT GUIDE….1195
ATTACHMENT COMBINATIONS….1195
RECOMMENDED ATTACHMENT OPERATIONS….1196
HYDRAULIC BREAKER….1196
INDEX….1201
<A>….1201
<B>….1201
<C>….1201
<D>….1201
<E>….1201
<F>….1201
<G>….1201
<H>….1201
<I>….1201
<L>….1201
<M>….1201
<O>….1201
<P>….1202
<R>….1202
<S>….1202
<T>….1202
<W>….1202
<Y>….1202
COLOPHON….1203
SEAM061700 – Hydraulic Excavator MX502 Operation & Maintenance Manual….1205
COVER….1205
FOREWORD….1206
FOREWORD….1207
SAFETY INFORMATION….1210
INTRODUCTION….1212
DIRECTIONS OF MACHINE….1212
PRODUCT INFORMATION….1213
PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. PLATE….1213
ENGINE SERIAL NUMBER PLATE AND ITS LOCATION….1213
EMISSION CONTROL INFORMATION LABEL AND ITS LOCATION….1214
SERVICE METER LOCATION….1214
YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR….1215
CONTENTS….1216
SAFETY….1220
SAFETY INFORMATION….1221
SAFETY LABELS….1223
LOCATION OF SAFETY LABELS….1223
SAFETY LABELS….1224
SAFETY INFORMATION….1229
SAFETY RULES….1229
IF ABNORMALITIES ARE FOUND….1229
WORKING WEAR AND PERSONAL PROTECTIVE ITEMS….1229
FIRE EXTINGUISHER AND FIRST AID KIT….1229
SAFETY EQUIPMENT….1230
KEEP MACHINE CLEAN….1230
KEEP OPERATOR&’S COMPARTMENT CLEAN….1230
LEAVING OPERATOR&’S SEAT WITH LOCK….1230
HANDRAILS AND STEPS….1231
MOUNTING AND DISMOUNTING….1231
NO PERSONS ON ATTACHMENTS….1231
BURN PREVENTION….1232
FIRE PREVENTION AND EXPLOSION PREVENTION….1232
ACTION IF FIRE OCCURS….1233
WINDSHIELD WASHER FLUID….1233
FALLING OBJECTS, FLYING OBJECTS AND INTRUDING OBJECTS PREVENTION….1234
CAUTIONS RELATED TO ROPS (ROLLOVER PROTECTION SYSTEM)….1234
ATTACHMENT INSTALLATION….1235
ATTACHMENT COMBINATIONS….1235
CAB WINDOW GLASSES….1235
UNAUTHORIZED MODIFICATIONS….1235
SAFETY AT JOBSITE….1235
WORKING ON LOOSE GROUND….1235
DISTANCE TO HIGH VOLTAGE CABLES….1236
ENSURE GOOD VISIBILITY….1236
VENTILATION FOR ENCLOSED AREA….1236
SIGNALMAN&’S SIGNAL AND SIGNS….1237
EMERGENCY EXIT FROM OPERATOR&’S CAB….1237
ASBESTOS DUST HAZARD PREVENTION….1237
SAFETY MACHINE OPERATION….1238
STARTING ENGINE….1238
CHECKS BEFORE STARTING ENGINE….1238
SAFETY RULES FOR STARTING ENGINE….1239
STARTING ENGINE IN COLD WEATHER….1239
OPERATION….1240
CHECKS BEFORE OPERATION….1240
SAFETY RULES FOR CHANGING MACHINE DIRECTIONS….1240
SAFETY RULES FOR TRAVELING….1241
TRAVELING ON SLOPES….1242
OPERATIONS ON SLOPES….1243
PROHIBITED OPERATIONS….1243
OPERATIONS ON SNOW….1245
PARKING MACHINE….1245
TRANSPORTATION….1246
LOADING AND UNLOADING….1246
SHIPPING THE MACHINE….1246
BATTERY….1247
BATTERY HAZARD PREVENTION….1247
STARTING ENGINE WITH BOOSTER CABLES….1248
TOWING….1249
SAFETY RULES FOR TOWING….1249
LIFTING OBJECTS WITH BUCKET….1250
SAFETY RULES FOR LIFTING OBJECTS….1250
SAFETY MAINTENANCE INFORMATION….1251
WARNING TAG….1251
KEEP WORK PLACE CLEAN AND TIDY….1251
APPOINT LEADER WHEN WORKING WITH OTHERS….1251
STOP ENGINE BEFORE CARRYING OUT MAINTENANCE….1252
CAUTIONS FOR OPENING (TILTING) FLOOR….1253
TWO WORKERS FOR MAINTENANCE WHEN ENGINE IS RUNNING….1254
PROPER TOOLS….1254
PERSONNEL….1254
ATTACHMENTS….1255
WORK UNDER THE MACHINE….1255
NOISE….1255
WHEN USING HAMMER….1255
WELDING WORKS….1255
REMOVING BATTERY TERMINALS….1256
SAFETY FIRST WHEN USING HIGH-PRESSURE GREASE TO ADJUST TRACK TENSION….1256
DO NOT DISASSEMBLE RECOIL SPRINGS….1256
SAFETY RULES FOR HIGH-PRESSURE OIL….1256
SAFETY HANDLING HIGH-PRESSURE HOSES….1257
WASTE MATERIALS….1257
AIR CONDITIONER MAINTENANCE….1257
COMPRESSED AIR….1257
PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS….1257
OPERATION….1258
MACHINE VIEW ILLUSTRATIONS….1259
OVERALL MACHINE VIEW….1259
CONTROLS AND GAUGES….1260
DETAILED CONTROLS AND GAUGES….1261
MONITORING SYSTEM….1261
SWITCHES….1269
CONTROL LEVERS AND PEDALS….1273
WINDSHIELD….1279
SLIDING DOOR….1283
SLIDING WINDOW….1283
EMERGENCY ESCAPE HAMMER….1284
COVER WITH LOCK….1285
ENGINE REAR COVER….1286
COOLING COVER….1286
MUD COVER….1287
METHOD OF OPENING (TILTING) FLOOR….1288
FUSE….1293
BLOCK FUSE….1294
AUXILIARY ELECTRIC POWER….1295
OPERATION MANUAL STORAGE….1296
TOOL BOX….1296
GREASE GUN HOLDER….1296
ASHTRAY….1296
MACHINE OPERATIONS AND CONTROLS….1297
BEFORE STARTING ENGINE….1297
STARTING ENGINE….1311
AFTER STARTING ENGINE….1315
STOPPING THE ENGINE….1318
MACHINE OPERATION….1319
STEERING THE MACHINE….1324
SWINGING….1326
WORK EQUIPMENT CONTROLS AND OPERATIONS….1327
PROHIBITED OPERATIONS….1329
GENERAL OPERATION INFORMATION….1331
TRAVELING ON SLOPES….1332
ESCAPE FROM MUD….1334
WORK POSSIBLE USING COMPACT HYDRAULIC EXCAVATOR….1335
BUCKET REPLACEMENT….1337
PARKING MACHINE….1338
CHECK AFTER SHUT OFF ENGINE….1339
MACHINE INSPECTION AFTER DAILY WORK….1339
LOCKING….1340
RUBBER SHOES AND ROAD LINERS….1341
TRANSPORTATION….1346
TRANSPORTATION PROCEDURE….1346
LOADING AND UNLOADING WITH TRAILER….1347
LIFTING MACHINE….1353
COLD WEATHER OPERATION….1356
COLD WEATHER OPERATION INFORMATION….1356
CAB HEATER IN COLD WEATHER….1357
AFTER DAILY WORK COMPLETION….1358
AFTER COLD WEATHER SEASON….1358
LONG TERM STORAGE….1359
BEFORE STORAGE….1359
DURING STORAGE….1360
AFTER STORAGE….1360
TROUBLES AND ACTIONS….1361
RUNNING OUT OF FUEL….1361
PHENOMENA THAT ARE NOT FAILURES….1361
TOWING THE MACHINE….1362
SEVERE JOB CONDITION….1362
DISCHARGED BATTERY….1363
OTHER TROUBLE….1367
MAINTENANCE….1372
MAINTENANCE INFORMATION….1373
LUBRICANTS, COOLANT AND FILTERS….1375
HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC….1375
ELECTRIC SYSTEM MAINTENANCE….1377
HANDLING HYDRAULIC SYSTEM….1378
WEAR PARTS….1379
WEAR PARTS LIST….1379
LUBRICANTS, FUEL AND COOLANT SPECIFICATIONS….1380
TIGHTENING TORQUE SPECIFICATIONS….1384
TIGHTENING TORQUE LIST….1384
SAFETY CRITICAL PARTS….1385
SAFETY CRITICAL PARTS LIST….1385
MAINTENANCE SCHEDULE….1386
MAINTENANCE SCHEDULE CHART….1386
MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER….1387
MAINTENANCE PROCEDURE….1388
WHEN REQUIRED….1388
CHECK, CLEAN AND REPLACE AIR CLEANER ELEMENT….1388
CLEAN INSIDE OF COOLING SYSTEM….1393
CHECK LEVEL OF BATTERY ELECTROLYTE….1396
CLEAN WATER SEPARATOR ELEMENT….1398
DRAIN WATER AND SEDIMENT FROM FUEL TANK….1398
CHECK AND TIGHTEN TRACK SHOE BOLTS….1399
CHECK AND ADJUST TRACK TENSION….1400
CHECK, RUBBER SHOES OR ROAD LINERS….1402
CHECK AND ADJUST RUBBER SHOE TENSION….1404
REPLACE RUBBER SHOES….1406
REPLACE ROAD LINERS….1408
REPLACE BUCKET TEETH….1409
CHECK WINDOW WASHER FLUID LEVEL, ADD FLUID….1412
CHECK, CLEAN AND LUBRICATE CAB SLIDE DOOR RAIL AND ROLLER….1413
LUBRICATING….1413
BLEEDING AIR FROM HYDRAULIC SYSTEM….1414
CHECK BEFORE STARTING….1416
EVERY 500 HOURS MAINTENANCE….1417
LUBRICATING….1417
CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE….1420
REPLACE FUEL FILTER CARTRIDGE….1421
CHECK OIL LEVEL IN FINAL DRIVE CASE, ADD OIL….1423
CLEAN AND INSPECT RADIATOR FINS AND OIL COOLER FINS….1424
CHECK AND ADJUST COOLING FAN BELT TENSION….1425
EVERY 1000 HOURS MAINTENANCE….1426
REPLACE HYDRAULIC OIL FILTER ELEMENT….1426
CHANGE OIL IN FINAL DRIVE CASE….1427
CHECK ENGINE VALVE CLEARANCE, ADJUST….1427
EVERY 2000 HOURS MAINTENANCE….1428
CHANGE OIL IN HYDRAULIC TANK, CLEAN STRAINER….1428
CHECK ALTERNATOR, STARTING MOTOR….1430
SPECIFICATIONS….1432
SPECIFICATIONS….1433
ATTACHMENTS, OPTIONS….1436
ATTACHMENTS AND OPTIONS – GENERAL INFORMATION….1437
SAFETY FIRST….1437
ATTACHMENT INSTALLATION….1438
BUCKET WITH HOOK….1439
PROHIBITED OPERATIONS….1439
AIR CONDITIONER….1440
CONTROL PANEL AND COMPONENTS….1440
AIR CONDITIONER CONTROLS….1441
AIR CONDITIONER MAINTENANCE….1442
WINDSHIELD WASHER….1446
WINDSHIELD WASHER OPERATION….1446
CHECK WINDOW WASHER FLUID LEVEL, ADD FLUID….1446
MACHINE READY FOR ATTACHMENT….1447
LOCATIONS….1447
HYDRAULIC CIRCUIT….1449
ATTACHMENT OPERATIONS….1451
LONG TERM STORAGE….1452
SPECIFICATIONS….1452
CHANGING MACHINE CONTROL PATTERN (IF PATTERN CHANGE VALVE EQUIPPED)….1453
CONTROL PATTERN CHANGE PROCEDURE….1453
MACHINE CONTROL PATTERNS….1454
ATTACHMENT GUIDE….1455
ATTACHMENT COMBINATIONS….1455
RECOMMENDED ATTACHMENT OPERATIONS….1456
HYDRAULIC BREAKER….1456
INDEX….1462
SEBM035400 – MX352, MX502 Shop Manual….1466
COVER….1466
CONTENTS….1467
SAFETY….1468
SAFETY NOTICE….1468
FOREWORD….1470
GENERAL….1470
HOW TO READ THE SHOP MANUAL….1471
HOISTING INSTRUCTIONS….1472
METHOD OF DISASSEMBLING, CONNECTING PUSH-PULL TYPE COUPLER….1473
COATING MATERIALS….1475
STANDARD TIGHTENING TORQUE….1477
ELECTRIC WIRE CODE….1480
CONVERSION TABLE….1481
UNITS….1487
01 GENERAL….1488
SPECIFICATION DIMENSION DRAWING….1489
WORKING RANGE DRAWING….1490
SPECIFICATIONS….1491
WEIGHT TABLE….1497
LUBRICANTS, FUEL AND COOLANT SPECIFICATIONS….1499
10 STRUCTURE, FUNCTION AND MAINTENANCE STANDARD….1502
PTO….1503
COOLING SYSTEM….1505
POWER TRAIN….1507
SWING CIRCLE….1508
SWING MACHINERY….1509
TRACK FRAME….1513
IDLER CUSHION….1514
IDLER….1515
TRACK ROLLER….1517
CARRIER ROLLER….1519
SPROCKET….1520
TRACK SHOE….1521
HYDRAULIC COMPONENTS LAYOUT DRAWING….1529
HYDRAULIC TANK….1531
CENTER SWIVEL JOINT….1534
TRAVEL MOTOR….1536
HYDRAULIC CYLINDER….1544
SOLENOID VALVE….1548
MULTI-CONTROL VALVE….1551
HYDRAULIC PUMP….1552
CONTROL VALVE….1563
CLSS….1577
OPERATION FOR EACH FUNCTION AND VALVE….1581
SWING MOTOR….1603
PPC VALVE….1612
WORK EQUIPMENT….1620
DIMENSIONS OF EACH PART OF WORK EQUIPMENT….1623
FLOOR….1629
AIR CONDITIONER….1630
ENGINE CONTROL….1631
ELECTRIC CONTROL SYSTEM….1633
COMPONENT PARTS OF SYSTEM….1638
MONITOR SYSTEM….1639
MONITOR PANEL….1640
SENSORS….1642
20 TESTING AND ADJUSTING….1644
STANDARD VALUE TABLE FOR ENGINE RELATED PARTS….1645
STANDARD VALUE TABLE FOR CHASSIS RELATED PARTS….1647
TESTING AND ADJUSTING….1662
LIST OF TESTING, ADJUSTING, AND TROUBLESHOOTING TOOLS….1663
MEASURING ENGINE SPEED….1665
MEASUREMENT OF EXHAUST GAS COLOR….1666
ADJUSTING VALVE CLEARANCE….1667
MEASURING COMPRESSION PRESSURE….1670
MEASURING ENGINE OIL PRESSURE….1671
TESTING AND ADJUSTING FUEL INJECTION TIMING….1672
TESTING AND ADJUSTING ALTERNATOR BELT TENSION….1674
ADJUSTING FUEL CONTROL LEVER….1675
TESTING WEAR OF SPROCKET….1676
TESTING AND ADJUSTING TRACK SHOE TENSION….1677
MEASURING AND ADJUSTING OIL PRESSURES IN WORK EQUIPMENT, TRAVEL, BOOM SWING, SWING, AND BLADE CIRCUITS….1678
MEASURING AND ADJUSTING LS DIFFERENTIAL PRESSURE….1682
ADJUSTING PC VALVE….1686
MEASURING AND ADJUSTING CONTROL PUMP CIRCUIT OIL PRESSURE….1687
MEASURING SOLENOID VALVE OUTPUT PRESSURE….1689
MEASURING PPC VALVE OUTPUT PRESSURE….1691
ADJUSTING PPC VALVE….1694
MEASURING SWING HOLDING BRAKE RELEASE PRESSURE….1695
TESTING AND ADJUSTING TRAVEL DEVIATION….1696
MEASUREMENT OF OIL LEAKAGE FROM WORK EQUIPMENT CYLINDER….1698
BLEEDING AIR FROM EACH PART….1700
RELEASING RESIDUAL PRESSURE FROM HYDRAULIC CIRCUIT….1703
RELEASING RESIDUAL PRESSURE FROM HYDRAULIC TANK….1703
PRESSURIZING HYDRAULIC TANK….1704
INSPECTION PROCEDURES FOR DIODE….1705
TROUBLESHOOTING….1706
POINTS TO REMEMBER WHEN TROUBLESHOOTING….1707
SEQUENCE OF EVENTS IN TROUBLESHOOTING….1708
POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE….1709
CHECKS BEFORE TROUBLESHOOTING….1717
CLASSIFICATION AND PROCEDURES OF TROUBLESHOOTING….1718
TYPES AND LOCATIONS OF CONNECTORS….1721
CONNECTOR ARRANGEMENT DIAGRAM….1727
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS….1735
T-ADAPTER – BOXES AND T-ADAPTER TABLE….1757
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)….1760
BEFORE STARTING E-MODE TROUBLESHOOTING….1761
INFORMATION CONTAINED IN TROUBLESHOOTING TABLE….1762
E-1 ENGINE DOES NOT START….1763
E-2 ENGINE DOES NOT STOP….1771
E-3 WHEN WORK EQUIPMENT LOCK (PPC BASIC PRESSURE LOCK) LEVER IS SET IN LOCK POSITION, WORK EQUIPMENT STILL MOVES….1775
E-4 WINDSHIELD WIPER DOES NOT OPERATE….1779
E-5 WINDSHIELD WASHER DOES NOT OPERATE….1781
E-6 TRAVEL ALARM DOES NOT SOUND….1785
TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE)….1788
INFORMATION CONTAINED IN TROUBLESHOOTING TABLE….1789
H-1 SPEED OR POWER OF WHOLE WORK EQUIPMENT, TRAVEL, SWING, AND BLADE IS LOW….1790
H-2 ENGINE SPEED LOWERS EXTREMELY OR ENGINE STALLS….1794
H-3 WHOLE WORK EQUIPMENT, TRAVEL SYSTEM, SWING SYSTEM, AND BLADE DO NOT WORK….1795
H-4 ABNORMAL SOUND COMES OUT FROM AROUND HYDRAULIC PUMP….1798
H-5 FINE CONTROL PERFORMANCE OR RESPONSE IS LOW….1798
H-6 SPEED OR POWER OF BOOM IS LOW….1799
H-7 SPEED OR POWER OF ARM IS LOW….1800
H-8 SPEED OR POWER OF BUCKET IS LOW….1801
H-9 SPEED OR POWER OF BOOM SWING IS LOW….1802
H-10 WORK EQUIPMENT DOES NOT MOVE SINGLY….1803
H-11 WORK EQUIPMENT HYDRAULIC DRIFT IS LARGE….1804
H-12 TIME LAG OF WORK EQUIPMENT IS LARGE….1805
H-13 IN COMPOUND OPERATION OF WORK EQUIPMENT, SPEED OF PART LOADED MORE IS LOW….1805
H-14 MACHINE DEVIATES DURING TRAVEL….1806
H-15 TRAVEL SPEED OR TRAVEL POWER IS LOW (WHILE WORK EQUIPMENT IS NORMAL)….1808
H-16 MACHINE IS NOT STEERED WELL OR STEERING POWER IS LOW….1809
H-17 TRAVEL SPEED DOES NOT CHANGE….1810
H-18 TRAVEL MOTOR DOES NOT WORK….1811
H-19 SPEED OR POWER OF SWING IS LOW….1813
H-20 MACHINE DOES NOT SWING….1815
H-21 SWING ACCELERATION PERFORMANCE IS LOW….1817
H-22 MACHINE OVERRUNS WHEN IT STOPS SWINGING….1819
H-23 LARGE SHOCK IS MADE WHEN MACHINE STOPS SWINGING….1820
H-24 WHEN UPPER STRUCTURE STOPS SWINGING, IT MAKES LARGE SOUND….1820
H-25 HYDRAULIC DRIFT OF SWING IS LARGE….1821
H-26 SPEED OR POWER OF BLADE IS LOW….1822
H-27 BLADE DOES NOT MOVE….1823
H-28 HYDRAULIC DRIFT OF BLADE IS LARGE….1823
TROUBLESHOOTING OF MONITOR PANEL SYSTEM (M MODE)….1824
BEFORE STARTING M-MODE TROUBLESHOOTING….1825
INFORMATION CONTAINED IN TROUBLESHOOTING TABLE….1826
SYSTEM DIAGRAM RELATED TO MONITOR PANEL….1827
M-1 WHEN STARTING SWITCH IS TURNED ON, ANY ITEM DOES NOT OPERATE….1829
M-2 WHEN STARTING SWITCH IS TURNED ON, SOME ITEMS DO NOT OPERATE….1831
M-3 ALARM BUZZER IS ABNORMAL….1832
M-4 ENGINE OIL PRESSURE CAUTION IS TURNED ON….1834
M-5 CHARGE LEVEL CAUTION IS TURNED ON….1835
M-6 PREHEATING SYSTEM DOES NOT OPERATE OR PREHEATER DOES NOT BECOME HOT….1839
M-7 COOLANT TEMPERATURE GAUGE IS ABNORMAL….1841
M-8 FUEL LEVEL GAUGE IS ABNORMAL….1846
M-9 SERVICE METER DOES NOT OPERATE WHILE ENGINE IS RUNNING….1850
M-10 2ND TRAVEL SPEED IS NOT SELECTED….1852
M-11 WORKING LAMP DOES NOT LIGHT UP….1857
TROUBLESHOOTING OF ENGINE (S MODE)….1860
METHOD OF USING TROUBLESHOOTING CHARTS….1861
S-1 STARTING PERFORMANCE IS POOR (STARTING ALWAYS TAKES TIME)….1865
S-2 ENGINE DOES NOT START….1867
S-3 ENGINE DOES NOT PICK UP SMOOTHLY (FOLLOW-UP IS POOR)….1870
S-4 ENGINE STOPS DURING OPERATIONS….1871
S-5 ENGINE DOES NOT ROTATE SMOOTHLY (HUNTING)….1872
S-6 ENGINE LACKS OUTPUT OR LACKS POWER….1873
S-7 EXHAUST SMOKE IS BLACK (INCOMPLETE COMBUSTION)….1874
S-8 OIL CONSUMPTION IS EXCESSIVE OR EXHAUST SMOKE IS BLUE….1875
S-9 OIL BECOMES CONTAMINATED QUICKLY….1876
S-10 FUEL CONSUMPTION IS EXCESSIVE….1877
S-11 OIL IS IN COOLING WATER, OR WATER SPURTS BACK, OR WATER LEVEL GOES DOWN….1878
S-12 OIL PRESSURE CAUTION LAMP LIGHTS UP (DROP IN OIL PRESSURE)….1879
S-13 OIL LEVEL RISES (WATER, FUEL IN OIL)….1880
S-14 WATER TEMPERATURE BECOMES TOO HIGH (OVERHEATING)….1881
S-15 ABNORMAL NOISE IS MADE….1882
S-16 VIBRATION IS EXCESSIVE….1883
30 DISASSEMBLY AND ASSEMBLY….1884
HOW TO READ THIS MANUAL….1885
PRECAUTIONS WHEN PERFORMING OPERATION….1887
SPECIAL TOOL LIST….1889
SKETCHES OF SPECIAL TOOLS….1893
REMOVAL AND INSTALLATION OF RADIATOR AND HYDRAULIC OIL COOLER….1894
REMOVAL AND INSTALLATION OF ENGINE AND HYDRAULIC PUMP….1903
REMOVAL AND INSTALLATION OF TRACK SHOE….1910
DISASSEMBLY AND ASSEMBLY OF IDLER….1911
DISASSEMBLY AND ASSEMBLY OF RECOIL SPRING….1913
DISASSEMBLY AND ASSEMBLY OF TRACK ROLLER….1916
DISASSEMBLY AND ASSEMBLY OF CARRIER ROLLER ….1918
REMOVAL AND INSTALLATION OF CENTER SWIVEL JOINT….1919
DISASSEMBLY AND ASSEMBLY OF CENTER SWIVEL JOINT….1922
REMOVAL AND INSTALLATION OF FLOOR FRAME ASSEMBLY….1924
REMOVAL AND INSTALLATION OF SWING MOTOR AND SWING MACHINERY….1928
DISASSEMBLY AND ASSEMBLY OF SWING MOTOR AND SWING MACHINERY….1929
REMOVAL AND INSTALLATION OF WORK EQUIPMENT….1935
REMOVAL AND INSTALLATION OF REVOLVING FRAME….1937
REMOVAL AND INSTALLATION OF SWING CIRCLE….1939
DISASSEMBLY AND ASSEMBLY OF CONTROL VALVE….1940
DISASSEMBLY AND ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY….1941
REMOVAL AND INSTALLATION OF AIR CONDITIONER UNIT….1945
90 OTHERS….1948
HYDRAULIC CIRCUIT DIAGRAM MX352….1949
HYDRAULIC CIRCUIT DIAGRAM MX502….1950
HYDRAULIC CIRCUIT DIAGRAM (Additional attachment circuit) MX502….1951
ELECTRICAL CIRCUIT DIAGRAM MX352 (1/2)….1952
ELECTRICAL CIRCUIT DIAGRAM MX352 (2/2)….1953
ELECTRICAL CIRCUIT DIAGRAM MX502 (1/2)….1954
Komatsu Hydraulic Excavator MX352, MX502 Repair Service Manuals