Complete service repair manual with Electrical Wiring Diagrams for Komatsu Logging Road Builder / Excavator PC350LL-7E0, PC300-7E0, PC300LC-7E0, PC350-7E0, PC350LC-7E0, with all the technical information to maintain, diagnose, repair, rebuild like professional mechanics.
Komatsu Logging Road Builder / Excavator PC350LL-7E0, PC300-7E0, PC300LC-7E0, PC350-7E0, PC350LC-7E0 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.
SEN03537-03 – Hydraulic Excavator PC300-7E0, PC300LC-7E0, PC350-7E0, PC350LC-7E0 Shop Manual.pdf
CEAM024601 – Logging Excavator PC350LL-7E0 Operation & Maintenance Manual.pdf
CEBM024301 – Logging_Road Builder Excavator PC350LL-7E0 Shop Manual.pdf
GSN00262-02 – Excavadora Hidraulica GALEO PC300-7EO, PC300LC-7EO, PC350-7EO, PC350LC-7EO Manual de Taller.pdf
TEN00117-08 – Hydraulic Excavator PC300-7E0, PC300LC-7E0, PC350-7E0, PC350LC-7E0 Operation & Maintenance Manual.pdf
Total Pages: 3,412 pages
File Format: PDF
Language: English / Spanish
CEAM024601 – Logging Excavator PC350LL-7E0 Operation & Maintenance Manual….2
CEBM024301 – Logging_Road Builder Excavator PC350LL-7E0 Shop Manual….328
CEBM024301 – PC350LL-7E0 – s/n A50001 and up….328
CONTENTS….330
REVISED PAGES….331
SAFETY….339
Safety Notice….339
General Precautions….339
Preparations For Work….339
Precautions During Work….340
GENERAL….341
HOW TO READ THE SHOP MANUAL….342
Volumes….342
Distribution And Updating….342
Filing Method….342
Revised Edition Mark….342
Revisions….342
Symbols….343
HOISTING INSTRUCTIONS….344
Hoisting….344
Wire Ropes….344
PUSH PULL COUPLER….346
Type 1….346
Disconnection….346
Connection….346
Type 2….347
Disconnection….347
Connection….347
Type 3….348
Disconnection….348
Connection….348
EXPLANATION OF MAINTENANCE STANDARD TERMS….349
STANDARD TIGHTENING TORQUE….351
Bolts and Nuts….351
Tightening Torque of Hose Nuts….352
Tightening Torque of Split Flange Bolts….352
Tightening Torque for Flared Nuts….352
Tightening Torques for O-ring Boss Piping Joints….353
Table of Tightening Torques for O-ring Boss Plugs….353
Torque Table for Hoses (Taper Seal Type and Face Seal Type)….353
ELECTRIC WIRE CODE….354
Classification by Thickness….354
Classification by Color And Code….354
How to Read Electric Wire Code….355
CONVERSION TABLES….358
Method of using the Conversion Table….358
COATING MATERIALS….364
01 GENERAL….366
SPECIFICATIONS….367
Dimensions….367
Road Builder….367
Log Loader – 42 Ft Komatsu Forest Front….367
Working Ranges….369
Road Builder….369
Log Loader – 42 Ft Komatsu Forest Front….371
WEIGHT TABLE….376
FUEL, COOLANT, AND LUBRICANTS….378
10 STRUCTURE, FUNCTION ANDMAINTENANCE STANDARD….380
ENGINE RELATED PARTS….383
RADIATOR . OIL COOLER . AFTERCOOLER….384
POWER TRAIN….385
FINAL DRIVE….386
SPROCKET….390
Sprocket Tool….391
SWING MACHINERY….392
Swing Circle….396
TRACK FRAME . RECOIL SPRING….397
IDLER….399
TRACK ROLLER/CARRIER ROLLER….401
TRACK SHOE….403
TRIPLE GROUSER SHOE….406
DOUBLE GROUSER SHOE….407
HYDRAULIC EQUIPMENT….409
HYDRAULIC TANK AND FILTER….411
HYDRAULIC PUMP….413
HPV125 + 125….413
LS Valve….419
PC Valve….424
LS(PC)-EPC Valve….431
Variable Volume Valve….435
CONTROL VALVE….437
CLSS….449
VALVE FUNCTIONS AND OPERATION….453
UNLOADER VALVE….455
INTRODUCTION OF LS PRESSURE….457
LS BYPASS VALVE….458
PRESSURE COMPENSATION VALVE….459
Pressure Compensation Valve Inner Shuttle….462
Boom Regeneration Circuit….464
Arm Regeneration Circuit….466
MERGE-DIVIDER VALVE….468
LS SELECT VALVE….470
SELF PRESSURE REDUCING VALVE….471
TRAVEL JUNCTION VALVE….474
TRAVEL PPC SHUTTLE VALVE….476
BOOM DRIFT PREVENTION VALVE….478
ARM DRIFT PREVENTION VALVE….481
QUICK RETURN VALVE….485
LIFT CHECK VALVE….487
MAIN RELIEF VALVE….488
2-STAGE SAFETY-SUCTION VALVE….489
VARIABLE PRESSURE COMPENSATION VALVE….491
CONTROL VALVE….493
PPC VALVE….494
Work Equipment and Swing PPC Valve….494
Travel PPC Valve….500
PRESSURE REDUCING VALVE….503
Straight Travel PPC Valve….509
PPC Accumulator….511
SOLENOID VALVE….512
ATTACHMENT SOLENOID VALVE….513
CENTER SWIVEL JOINT….515
TRAVEL MOTOR….516
Type: KMV200ADT-2….516
Operation of Motor….519
PARKING BRAKE….521
Brake Valve Operation….523
SAFETY VALVE….525
SWING MOTOR….528
Type: KMF230ABE-5….528
Swing Holding Brake….531
Relief Valve Portion….532
REVERSE PREVENTION VALVE….533
Explanatory Drawing of Effects….534
HYDRAULIC CYLINDERS – EXCAVATOR WORK EQUIPMENT….537
Boom Cylinder….537
Arm Cylinder….537
Bucket Cylinder….538
WORK EQUIPMENT PIVOT POINT MEASUREMENTS….539
Boss Bushing/Pins – Excavator Work Equipment….539
Dimension of Arm – Excavator Work Equipment….541
Dimension of Bucket….543
CAB AND ATTACHMENTS….545
Air Conditioner Piping….545
ELECTRICAL SYSTEM….546
Engine Control….546
ELECTRONIC COMPONENTS….548
Fuel Control Dial….548
Engine Controller….549
Coolant Temperature Sensor….553
Oil Pressure Switch….553
Engine Speed Sensor….554
Boost Pressure and Temperature Sensor….554
WIF (Water-in-fuel Detection) Sensor….555
Engine Oil Level Sensor….555
ELECTRONIC CONTROL SYSTEM….556
Control Function….556
System Diagram….557
Engine and Pump Control Function….559
Pump and Valve Control….563
LS Control Function….564
Cut-off Function….564
2-stage Relief Function….564
Power Maximizing and Machine Push-up….565
Auto-deceleration….567
Auto-warm-up and Overheat Prevention….568
Swing Control….570
Travel Control….572
Attachment Flow Control and Circuit Selector (If Equipped)….574
SYSTEM COMPONENTS….575
PPC Oil Pressure Switch….575
Oil Pressure Sensor….576
Pump Pressure Sensor (High Pressure)….577
Pump Controller….578
MONITOR SYSTEM….582
Machine Monitor….583
MONITOR CONTROL AND DISPLAY….586
Monitor….586
Display….587
SWITCHES….591
Brightness, Contrast Adjustment….599
Service Meter Check Function….600
Display Lcd Check Function….600
User Code Display Function….601
SENSOR….603
Hydraulic Oil and Coolant Temperature Sensor….603
Fuel Level Sensor….604
Air Cleaner Clogging Sensor….604
KOMTRAX TERMINAL SYSTEM….605
Komtrax Terminal….606
20 STANDARD VALUE TABLES….608
STANDARD VALUE TABLES….609
Engine Related….609
Chassis Related….610
30 TESTING AND ADJUSTING….618
SERVICE TOOLS….620
Engine Service Tools….620
Chassis Service Tools….621
ENGINE….622
Engine Speed….622
Air Boost Pressure….623
Exhaust Gas Color….624
Valve Clearance….626
Compression Pressure….628
Blow-by Pressure….633
Engine Oil Pressure….634
Fuel Pressure….635
Handling During Cylinder Cut-out Operation….640
Handling During No Injection Cranking Operation….640
Fuel Return Rate And Leakage….641
Bleeding Air From Fuel Circuit….644
Fuel Circuit For Leakage….645
AIR COMPRESSOR BELT TENSION….646
FAN BELT….647
ALTERNATOR BELT….648
ENGINE FUNCTIONS….649
Measure Engine Speed With Machine Monitor….649
Preparation….649
Measuring Low Idle Speed….649
Measuring High Idle Speed….649
Measuring the Engine Speed When 2-pumps are Relieved….649
Measuring the Engine Speed At 2-pump Relief and Power Maximizing (Near Rated Speed)….649
Measuring the Speed When Auto-deceleration Speed is in Operation….649
Determining a Defective Cylinder….650
Procedures….650
Determining Cylinder Group….650
Isolating the Defective Cylinder….650
Cylinder Cut-out Operation….651
No Injection Cranking Operation….651
REFRIGERANT COMPRESSOR BELT….652
Inspection….652
Adjustment….652
SWING CIRCLE BEARING CLEARANCE….653
TRACK SHOE TENSION….654
Inspection….654
Adjustment….654
OIL PRESSURE IN WORK EQUIPMENT….655
OIL PRESSURE IN SWING….655
OIL PRESSURE IN TRAVEL CIRCUIT….655
Measuring….655
Adjusting….657
CONTROL CIRCUIT OIL PRESSURE….660
Measuring….660
PUMP PC CONTROL CIRCUIT OIL PRESSURE….661
Measuring….661
Adjusting….663
PUMP LS CONTROL CIRCUIT OIL PRESSURE….664
Measuring….664
Adjusting….668
SOLENOID VALVE OUTPUT PRESSURE….669
ATTACHMENT SOLENOID VALVE OUTPUT….672
PPC VALVE OUTPUT….674
ATTACHMENT PPC VALVE OUTPUT….675
WORK EQUIPMENT AND SWING PPC VALVES….676
Adjust Play….676
HYDRAULIC DRIFT IN WORK EQUIPMENT….677
Boom and Bucket Cylinders Inspection….677
Arm Cylinder Inspection….677
Boom Lock Valve Inspection….678
PPC Valve Inspection….678
RELEASE REMAINING PRESSURE IN HYDRAULIC CIRCUIT….679
Oil Leakage Amount….679
BLEEDING AIR FROM VARIOUS SYSTEMS….682
DIODE INSPECTION PROCEDURES….684
MACHINE MONITOR – SPECIAL FUNCTIONS….685
Ordinary and Special Functions….686
Operators Menu and Display (Outline)….687
SERVICE MENU OPERATION AND DISPLAY….695
Switching To Service Menu….695
Monitoring [01] Function….696
Function Of Abnormality Record [02]….701
Function of Maintenance Record [03]….703
Function of Maintenance Mode Change [04]….704
Function of Phone Number Entry [05]….706
Function of Default [06]….707
Function of Adjustment [07]….709
Function of Cylinder Cut Out Operation [08]….710
Function of No Injection Cranking [09]….712
HANDLING VOLTAGE CIRCUIT OF ENGINE CONTROLLER….714
PROCEDURE FOR TURNING ON KOMTRAX TERMINAL….715
KOMTRAX TERMINAL LAMP INDICATIONS….718
TROUBLESHOOTING ELECTRICAL SYSTEM….721
PM-CLINIC INSPECTION TABLE….724
40 TROUBLESHOOTING….730
POINTS TO REMEMBER WHEN TROUBLESHOOTING….734
SEQUENCE OF EVENTS IN TROUBLESHOOTING….736
PRECAUTIONS WHEN CARRYING OUT MAINTENANCE….737
Precautions when Handling Electrical Equipment….737
Handling Electronic Control Unit….741
Points to Remember when Troubleshooting Electrical Circuits….742
Points to Remember when Handling Hydraulic Equipment….743
Checks Before Troubleshooting….746
Categories and Method of using Troubleshooting Charts….747
Troubleshooting Individual Electrical Circuits….748
Troubleshooting Individual Hydraulic Circuits….752
POSSIBLE PROBLEMS WHEN TROUBLESHOOTING A MODE….754
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS….757
T-ADAPTER TABLE….778
CONNECTOR TYPES AND LOCATIONS….781
CONNECTOR LAYOUT DRAWINGS….787
TROUBLESHOOTING BY FAILURE CODE….793
Before carrying out troubleshooting when failure code is displayed….796
Location of Fuse Box and Fuse Numbers….797
INFORMATION CONTAINED IN TESTING PROCEDURES….799
FAILURE CODE (DISPLAY OF CODE)….801
A000N1 – Engine Over Speed….801
AA10NX – Air Cleaner Clog Sensor System….803
AB00KE – Charge Voltage Is Low….805
B@BAZG – Engine Oil Pressure Drop….807
B@BAZK – Engine Oil Level Drop….809
B@BCNS – Coolant High Temperature Sensor Showing Overheat (NS)….811
B@BCZK – Engine Coolant Level Drop….813
B@HANS – Hydraulic Oil Overheat Condition….815
CA111 – Critical Internal Failure….817
CA115 – Engine NE And Backup Speed Sensor Error….818
CA122 – Charge Air Pressure Sensor High Error….819
CA123 – Charge Air Pressure Sensor Low Error….821
CA131 – Throttle Sensor High Error….823
CA132 – Throttle Sensor Low Error….825
CA144 – Coolant Temperature (High) Sensor Out of Range (KX)….827
CA145 – Coolant Temperature (Low) Sensor Out of Range (KX)….829
CA153 – Charge Air Pressure Sensor High Error….831
CA154 – Charge Air Pressure Sensor Low Error….833
CA187 – SEnsor Supply 2 Volt Low Error….835
CA221 – Ambient Pressure Sensor High Error….837
CA222 – Ambient Pressure Sensor Low Error….839
CA227 – Sensor Supply 2 Volt High Error….841
CA234 – Engine Over Speed….843
CA238 – Speed Sensor Supply Volt Error….844
CA271 – UMV/PCV1 Short Error….845
CA272 – UMV/PCV1 Open Error….847
CA322 – Open In No. 1 Injector Solenoid Valve….849
CA323 – Open In No. 5 Injector Solenoid Valve….851
CA324 – Open In No. 3 Injector Solenoid Valve….853
CA325 – Open In No. 6 Injector Solenoid Valve….855
CA331 – OPen In No. 2 Injector Solenoid Valve….857
CA332 – Open In No. 4 Injector Solenoid Valve….859
CA342 – Calibration Code Incompatibility….861
CA351 – Injector Drive Circuit Error….863
CA352 – Ambient Pressure Sensor 1 Volt Low Error….865
CA386 – Ambient Pressure Sensor 1 Volt High Error….867
CA428 – Water In Fuel Sensor High Error….869
CA429 – Water In Fuel Sensor Low Error….871
CA441 – Battery Voltage Low Error….873
CA442 – Battery Voltage High Error….875
CA449 – Rail Pressure Very High….877
CA451 – Rail Pressure Sensor High Error….881
CA452 – Rail Pressure Sensor Low Error….883
CA553 – Rail Pressure Error….885
CA559 – Rail Pressure Very Low….887
CA689 – Engine NE Speed Sensor Error….889
CA731 – Engine Back-up Speed Sensor Phase Error….891
CA757 – Persistent Data Loss Error….893
CA778 – Engine Bkup Speed Sensor Error….895
CA1633 – (KOMNET) Datalink Has Time-out Error….897
CA2185 – Throttle Sensor High Error….899
CA2186 – Throttle Sensor Low Error….901
CA2249 – Rail Pressure Very Low….903
CA2265 – Electric Lift Pump High Error….905
CA2266 – Electric Lift Pump Low Error….907
CA2556 – Grid Heater Relay Volt Low Error….909
CA2555 – Grid Heater Relay Volt High Error….911
D110KB – Battery Relay Drive S/C….913
D196KA – Service Return Relay Error….915
D196KB – Service Return Relay Error….917
DA25KP – Sensor Power Error….919
DA2RMC – Pump Communication Error….921
DA2SKQ – Model Selection Error….923
DAFRMC – Monitor Communication Error….925
DHPAMA – F Pump Pressure Sensor Error….927
DHPBMA – R Pump Pressure Sensor Error….929
DHS3MA – Arm Curl Pressure Sensor Error….931
DHS4MA – Curl PPC Pressure Sensor Error….933
DW43KA – Travel Speed Solenoid Error….935
DW43KB – Travel Speed Solenoid Error….937
DW45KA – Swing Brake Solenoid Error….939
DW45KB – Swing Brake Solenoid Error….942
DW91KA – Travel Junction Solenoid Error….945
DW91KB – Travel Junction Solenoid Error….947
DWJ0KA – Merge-divider Solenoid Error….949
DWJ0KB – Merge-divider Solenoid Error….951
DWK0KA – 2-Stage Relief Solenoid Error….953
DWK0KB – 2-Stage Relief Solenoid Error….955
DXA0KA – PC-EPC Solenoid Error….957
DXA0KB – PC-EPC Solenoid Error….959
DXE0KA – LS-EPC Solenoid Error….961
DXE0KB – LS-EPC Solenoid Error….963
DXE4KA – Service Current EPC Error….965
DXE4KB – Service Current EPC Error….967
DY20KA – Windshield Wiper Motor Drive Error….969
DY20MA – Windshield Wiper Motor Drive Error….971
DY2CKB – Windshield Washer Drive Error….973
DY2DKB – Windshield Wiper Drive Error….975
DY2EKB – Windshield Wiper Drive Error….977
E-MODE (ELECTRICAL SYSTEM)….979
E-1 – Engine will not Crank….979
E-2 – Auto Decelerator Does Not Work….982
E-3 – Auto Engine Warm Up Device Does Not Work….983
E-4 – Cold Start Pre-heater Does Not Work….985
E-5 – All Work Equipment, Swing And Travel Do Not Operate….987
E-6 – Power Maximizing Function Does Not Operate….989
E-7 – MACHINE MONITOR DOES NOT OPERATE….991
E-8 – Machine Monitor Does Not Display Some Items….993
E-9 – Machine Monitor Does Not Display Items Correctly….994
E-10 – Monitor Fuel Level Was Indicating Red While Engine Is Running….995
E-11 – Coolant High Temperature Sensor Showing Overheat….997
E-12 – Hydraulic Oil Temperature Gauge Does Not Display Correctly….999
E-13 – Monitor Fuel Level Was Indicating Red While Engine Is Running….1001
E-14 – Swing Lock Monitor Does Not Display Correctly….1003
E-15 – When the Monitor Switch is Operated, no Display Appears….1005
E-16 – Windshield Wiper and Washer do not Operate….1007
Windshield Washer Drive Error….1009
E-17 – Machine Push-up Function Does Not Operate….1011
E-18 – Boom Raise Not Correctly Displayed On Monitor….1013
E-19 – Boom Lower Not Correctly Displayed On Monitor….1015
E-20 – Arm In Not Correctly Displayed On Monitor….1017
E-21 – Arm Out Not Correctly Displayed On Monitor….1019
E-22 – Bucket Curl Not Correctly Displayed On Monitor….1021
E-23 – Bucket Dump Not Correctly Displayed On Monitor….1023
E-24 – Swing Not Correctly Displayed On Monitor….1025
E-25 – Travel Not Correctly Displayed On Monitor….1027
E-26 – Travel Differential Not Correctly Displayed On Monitor….1029
E-27 – Service Not Correctly Displayed On Monitor….1031
E-28 – KOMTRAX System Does Not Operate Normally….1033
E-29 – Air Conditioner System Does Not Work….1035
E-30 – Travel Alarm Does Not Sound….1037
E-31 – Horn Does Not Sound….1039
H-MODE (HYDRAULIC AND MECHANICAL SYSTEMS)….1041
System Chart for Hydraulic and Mechanical Systems….1041
Information Contained in Troubleshooting Table….1043
H-1 – Work Equipment, Travel And Swing Speeds Are Slow….1044
H-2 – Engine Speed Drops Sharply Or Engine Stalls….1045
H-3 – No Work Equipment, Travel Or Swing Movement….1046
H-4 – Abnormal Noise Is Heard From Hydraulic Pump….1046
H-5 – Auto-decelerator Does Not Work….1047
H-6 – Fine Control Mode Does Not Function….1047
H-7 – Boom Moves Slowly Or Lacks Power….1048
H-8 – Work Equipment Moves Slowly Or Lacks Power….1050
H-9 – Bucket Moves Slowly Or Lacks Power….1051
H-10 – Work Equipment Does Not Move In A Independent Operation….1051
H-11 – Work Equipment Has Excessive Hydraulic Drift….1052
H-12 – Work Equipment Has Excessive Lag Time….1053
H-13 – Other Work Equipment Moves When Relieving A Single Circuit….1053
H-14 – One-touch Power Max. Switch Does Not Operate….1053
H-15 – In A Compound Operation, Work Equipment With Larger Loads Moves Slowly….1054
H-16 – In Swing And Boom Raise Operation, Boom Moves Slowly….1054
H-17 – In Swing + Travel, Travel Speed Drops Sharply….1054
H-18 – Machine Swerves When Traveling….1055
H-19 – Machine Travels Slowly….1056
H-20 – Machine Cannot Be Steered Easily Or Lacks Power….1057
H-21 – Travel Speed Does Not Shift, Or It Is Too Slow Or Fast During Shifting….1058
H-22 – Track Shoes Do Not Turn (On One Side Only)….1058
H-23 – Machine Does Not Swing….1059
H-24 – Swing Acceleration Is Poor, Or Swing Speed Is Slow….1060
H-25 – Excessive Overrun When Stopping Swing….1061
H-26 – There Is A Sudden Shock When Stopping Swing….1062
H-27 – Abnormal Noise Caused When Stopping Swing….1062
H-28 – Swing Natural Drift Is Excessive….1063
50 DISASSEMBLY AND ASSEMBLY….1064
HOW TO READ THIS MANUAL….1067
Removal and Installation of Assemblies….1067
Special Tools….1067
Removal….1067
Installation….1067
Disassembly and Assembly of Assemblies….1068
Special Tools….1068
Disassembly….1068
Assembly….1069
SPECIAL TOOLS LIST….1070
CONNECTOR REPAIR PROCEDURES….1073
Contact Terminal Removal (HD30 Type)….1073
Stripping Insulation….1074
Crimping Contact Terminal (HD30 Type)….1075
Insertion of Contact Terminal (HD30 Type)….1076
Contact Terminal Removal (DT Type)….1077
Stripping Insulation….1078
Crimping Contact Terminal (DT Type)….1079
Insertion of Contact Terminal (DT Type)….1080
ENGINE COMPONENTS….1081
Cylinder Head….1081
Engine Front Seal….1081
Engine Rear Seal….1081
Fuel Supply Pump….1081
Valves….1081
ENGINE AND COOLING SYSTEM….1082
Radiator….1082
Removal….1082
Installation….1083
Hydraulic Oil Cooler….1084
Removal….1084
Installation….1085
Aftercooler….1086
Removal….1086
Installation….1086
Engine and Hydraulic Pump….1087
Removal….1087
Installation….1091
POWER TRAIN….1093
Final Drive….1093
Removal….1093
Installation….1094
Disassembly….1094
Assembly….1099
Swing Motor and Swing Machinery….1105
Removal….1105
Installation….1106
Disassembly….1107
Assembly….1110
Swing Circle….1116
Removal….1116
Installation….1116
UNDERCARRIAGE AND FRAME….1117
Track Roller and Carrier Roller….1117
Disassembly….1117
Assembly….1117
Idler….1119
Disassembly….1119
Assembly….1120
Recoil Spring….1123
Disassembly….1123
Assembly….1124
Sprocket….1126
Removal….1126
Installation….1126
Track Shoe….1127
Expansion of Track Shoe….1127
Installation of Track Shoe….1128
Revolving Frame….1129
Removal….1129
Installation….1131
Counterweight….1132
Removal….1132
Installation….1132
HYDRAULIC SYSTEM….1133
Center Swivel Joint….1133
Removal….1133
Installation….1134
Disassembly….1135
Assembly….1135
Hydraulic Tank….1136
Removal….1136
Installation….1138
Control Valve….1139
Removal….1139
Installation….1142
Assembly….1144
Main Relief Valve….1145
Hydraulic Pump….1146
Removal….1146
Installation….1148
Oil Seal in Hydraulic Pump Input Shaft….1149
Removal….1149
Installation….1149
Work Equipment PPC Valve….1150
Disassembly….1150
Assembly….1150
Travel PPC Valve….1151
Disassembly….1151
Assembly….1151
Hydraulic Cylinder….1152
Disassembly….1152
Assembly….1154
WORK EQUIPMENT….1159
Work Equipment….1159
Removal….1159
Installation….1160
CAB AND ITS ATTACHMENTS….1162
Operator's Cab….1162
Removal….1162
Installation….1164
Operator’s Cab Glass (Stuck Glass)….1165
Removal….1166
Installation….1167
Front Window….1176
Removal….1176
Installation….1179
ELECTRICAL SYSTEM….1184
Work Equipment….1184
Removal….1184
Installation….1185
Machine Monitor….1186
Removal….1186
Installation….1186
Pump Controller….1187
Removal….1187
Installation….1187
KOMTRAX Terminal….1188
Removal….1188
Installation….1188
Engine Controller….1189
Removal….1189
Installation….1189
60 AIR CONDITIONER….1190
STRUCTURE AND FUNCTION….1193
Air Conditioner Component….1193
Configuration and Function of Refrigerating cycle….1195
Outline of Refrigerating Cycle….1196
Air Conditioner Unit….1199
Functions of Major Components in the Air Conditioner Unit….1201
Control Plate….1203
Compressor….1206
Condenser and Receiver Drier….1207
TESTING AND ADJUSTING….1208
Caution About Refrigerant….1208
Troubleshooting Procedure….1209
Block Diagram….1210
Circuit Diagram and Arrangement of Connector Pins….1211
Detail of Air Conditioner Unit….1213
Part and Connector Locations….1215
Testing Air Leakage (Ducts)….1219
Testing with Self-diagnosis Function….1221
Testing Temperature Control….1224
Testing Vent (Mode) Changeover….1227
Testing Recirc/Fresh Changeover….1231
Testing Inner Sensor….1233
Testing Evaporator Temperature Sensor….1234
Testing Sunlight Sensor….1236
Testing (Dual) Pressure Switch for Refrigerant….1237
Testing Relays….1239
TROUBLESHOOTING….1241
Troubleshooting Chart 1….1241
Troubleshooting Chart 2….1242
Troubleshooting for Electrical System (E mode)….1245
E-1 Power Supply System (Air Conditioner does not Operate)….1246
E-2 Compressor System (Air is Not Cooled)….1250
E-3 Blower Motor System (No Air Comes Out or Air Flow is Abnormal)….1253
E-4 Temperature Cannot be Controlled….1257
E-5 Vent (Mode) Cannot be Changed Over….1260
E-6 Recirc/Fresh Air Cannot be Changed Over….1263
Troubleshooting With Gauge Pressure….1266
Connection of Service Tool….1269
Precautions for connecting air conditioner piping….1271
Handling of Compressor Oil….1272
Control of Compressor Oil….1272
Adding of Compressor Oil….1272
Compressor Replacement….1273
Applying Compressor Oil for O-ring….1273
Desiccant Replacement Procedure….1274
90 OTHERS….1276
ELECTRICAL CIRCUIT DIAGRAMS….1278
TO CABIN HARNESS….1278
CABIN HARNESS VIEW 1….1280
CABIN HARNESS VIEW 2….1282
CONTROLLER (CR700) VIEW….1284
FLOOR HARNESS VIEW….1286
MONITOR AND RADIO HARNESS VIEW….1288
LEFT CONSOLE, FUSE PANEL AND KOMTRAX CONTROLLER….1290
WARNING AND INDICATOR LAMPS….1292
ENGINE AND DRIVE SYSTEM SENSORS AND CONTROLLERS….1294
ENGINE SENSORS AND CONTROLLERS….1296
FUEL INJECTOR SYSTEM VIEW….1298
ELECTRICAL DIAGRAM – 1 OF 9….1300
ELECTRICAL DIAGRAM – 2 OF 9….1302
ELECTRICAL DIAGRAM – 3 OF 9….1304
ELECTRICAL DIAGRAM – 4 OF 9….1306
ELECTRICAL DIAGRAM – 5 OF 9….1308
ELECTRICAL DIAGRAM – 6 OF 9….1310
ELECTRICAL DIAGRAM – 7 OF 9….1312
ELECTRICAL DIAGRAM – 8 OF 9….1314
ELECTRICAL DIAGRAM – 9 OF 9….1316
HYDRAULIC CIRCUIT DIAGRAMS….1318
VIEW "A" – 1 OF 11….1318
VIEW "A" – 2 OF 11….1320
VIEW "A" – 3 OF 11….1322
VIEW "A" – 4 OF 11….1324
VIEW "A" – 5 OF 11….1326
VIEW "A" – 6 OF 11….1328
VIEW "A" – 7 OF 11….1330
VIEW "A" – 8 OF 11….1332
VIEW "A" – 9 OF 11….1334
VIEW "A" – 10 OF 11….1336
VIEW "A" – 11 OF 11….1338
VIEW "B" – 1 OF 1….1340
GSN00262-02 – Excavadora Hidraulica GALEO PC300-7EO, PC300LC-7EO, PC350-7EO, PC350LC-7EO Manual de Taller….1342
00 Índice y Prólogo….1345
Lista de organización del manual de taller….1346
Tabla de contenido….1348
00 Índice y Prólogo….1357
Prefacio e información general….1358
Avisos de seguridad….1358
Cómo leer el manual de taller….1362
Explicación de términos para normas de mantenimiento….1364
Manipulación de componentes eléctricos e hidráulicos….1366
Forma de leer el código de alambres eléctricos….1374
Método para desarmar y conectar el tipo de acoplador de empuje- tracción….1377
Tabla de torsión de apriete estándar….1380
Tabla de conversión….1384
01 Especificación….1391
Especificación y datos técnicos….1392
Dibujos de especificaciones de dimensiones….1392
Especificaciones….1394
Tabla de pesos….1400
Tabla de combustible, líquido refrigerante y lubricantes….1402
10 Estructura, función, y estándar de mantenimiento….1405
Motor y sistema de enfriamiento….1406
Piezas relacionadas con el motor….1406
Radiador, enfriador del aceite y posenfriador….1407
10 Estructura, función, y estándar de mantenimiento….1409
Tren de potencia….1410
Tren de potencia….1410
Mando final….1412
Rueda motríz….1414
Maquinaria de giro….1416
Círculo de giro….1418
10 Estructura, función, y estándar de mantenimiento….1421
Tren de rodaje y bastidor….1422
Bastidor de oruga y resorte tensor….1422
Rueda libre….1424
Rodillo superior….1426
Rodillo inferior….1427
Zapata de la oruga….1428
10 Estructura, función y estándar de mantenimiento….1433
Sistema hidráulico, Parte 1….1434
Diagrama de ubicación del equipo de trabajo….1434
Tanque hidráulico y filtro….1436
Bomba hidráulica….1438
10 Estructura, función y estándar de mantenimiento….1463
Sistema hidráulico, Parte 2….1464
Válvula de control….1464
CLSS….1476
Funciones y operación según la válvula….1480
Válvula de unión-división….1495
Válvula selectora del circuito del aditamento….1520
Válvula de prevención del desplazamiento hidráulico….1522
10 Estructura, función y estándar de mantenimiento….1529
Sistema hidráulico, Parte 3….1530
Válvula de control….1530
Válvula PPC….1532
Válvula solenoide….1548
Acumulador PPC….1550
Filtro de Aceite de retorno….1551
Unión giratoria central….1552
Motor de marcha….1553
Motor de giro….1565
Cilindro hidráulico….1574
10 Estructura, función y estándar de mantenimiento….1577
Equipo de trabajo….1578
Equipo de trabajo….1578
Dimensión de los componentes….1580
10 Estructura, función y estándar de mantenimiento….1585
Cabina y sus aditamentos….1586
Tuberías del acondicionador de aire….1586
10 Estructura, función y estándar de mantenimiento….1589
Sistema Eléctrico….1590
Control del motor….1590
Sistema de control electrónico….1599
Sistema monitor….1624
Sensor….1642
Sistema del terminal KOMTRAX….1645
20 Tabla de valores estándar….1649
Tabla de valores de servicio estándar….1650
Tabla de valores estándar para las partes relacionadas con el motor….1650
Tabla de valores estándar para las partes relacionadas con el chasis….1651
30 Pruebas y Ajustes….1663
Pruebas y ajustes, Parte 1….1665
Herramientas para comprobaciones, ajustes y localización de fallas….1665
Midiendo la velocidad del motor….1667
Midiendo la presión de refuerzo….1668
Medición del color de los gases del escape….1669
Ajustar la holgura de válvulas….1671
Medición de la presión de compresión….1673
Medición de la presión del paso de gases….1677
Medición de la presión del aceite del motor….1678
Forma de medir la presión del combustible….1679
Manipulación durante la operación con cilindro reducido….1683
Manejo durante la operación de giro del cigüeñal sin inyección….1683
Midiendo la proporción de retorno y escape de combustible….1684
Forma de purgar el aire del circuito de combustible….1686
Revisión de fugas en el circuito de combustible….1687
Revisando y ajustando la tensión de la correa del compresor de aire….1688
Medición del espacio libre en los rodamientos del círculo de giro….1689
Comprobación y ajuste de la tensión de la oruga….1690
Comprobación y ajuste de la presión de aceite en los circuitos del equipo de trabajo, giro y traslado….1691
Revisando y ajustando la presión de aceite del circuito de control….1695
Revisando y ajustando la presión de aceite del circuito de control PC de la bomba….1696
Revisando y ajustando la presión de aceite del circuito de control de la bomba LS….1699
Forma de medir la presión de salida de la válvula de solenoide….1704
Forma de medir la presión de salida de la válvula PPC….1708
Ajuste el juego de las válvulas del equipo de trabajo y la PPC….1709
Inspeccionando los lugares con escape hidráulico interno en el equipo de trabajo….1710
Liberando la presión remanente en el circuito hidráulico….1712
Medición de la cantidad de fuga de aceite….1712
Purgando el aire de varias partes….1715
Procedimiento de inspección para los diodos….1717
30 Pruebas y Ajustes….1719
Pruebas y ajustes, Parte 2….1720
Función Especial del Monitor de la Máquina….1720
Manejando el circuito de voltaje del controlador del motor….1747
Procedimiento para activar el terminal KOMTRAX….1748
Indicaciones de la lámpara del terminal KOMTRAX….1751
Trabajos de preparación para la localización de fallas en el sistema eléctrico….1754
Servicio Clínico Pm….1757
40 Localización de fallas….1763
Información general sobre localización de fallas….1764
Aspectos a recordar durante la localización de fallas….1764
Secuencia de eventos en la localización de fallas….1765
Comprobaciones antes de la localización de fallas….1766
Clasificación y pasos para la localización de fallas….1767
Tabla de conexiones para los números de las espigas de los conectores….1771
Tabla de cajas en “T” y adaptadores en “T”….1794
40 Localización de fallas….1799
Localización de fallas por código de fallas (Exposición de los códigos), Parte 1….1801
Tabla de códigos de falla….1801
Antes de Ejecutar la Localización de Fallas cuando se expone el código de fallas….1804
Información en la tabla de localización de fallas….1808
Código de falla [A000N1] Motor con salida alta fuera de lo normal….1810
Código de falla [AA10NX] Obstrucción del filtro de aire….1811
Código de falla [AB00KE] Bajo el Voltaje de Carga….1812
Código de falla [B@BAZG] Presión del aceite del motor baja….1814
Código de falla [B@BAZK] Nivel del aceite del motor bajo….1816
Código de fallas [B@BCNS] Agua del motor sobrecalentada….1818
Código de falla [B@BCZK] Bajo el nivel del agua del motor….1820
Código de falla [B@HANS] sobrecalentamiento del aceite hidráulico….1821
Código de falla [CA111] EMC Crítica falla interna….1822
Código de falla [CA115] error en el sensor de velocidad Ne del Motor y en el sensor de velocidad de reversa….1822
Código de falla [CA122] Error en sensor por alta presión de carga de aire….1824
Código de falla [CA123] Error en sensor por baja presión de aire de carga….1826
Código de falla [CA131] Error en Sensor por alta aceleración….1828
Código de falla [CA132] Error en sensor por baja aceleración….1830
Código de falla [CA144] Error en sensor por alta temperatura del refrigerante….1832
Código de falla [CA145] Error en sensor por baja temperatura del refrigerante….1834
Código de falla [CA153] Error en sensor por alta temperatura del aire de carga….1836
Código de falla [CA154] Error en sensor por baja temperatura de aire de carga….1838
Código de falla [CA187] Error. Bajo suministro al sensor de 2 voltios….1840
Código de falla [CA221] Error. Sensor de alta presión ambiental….1842
Código de falla [CA222] Error. Sensor de baja presión ambiental….1844
Código de falla [CA227] Error. Sensor del suministro energético Alto 2 Voltios….1846
Código de falla [CA234] Exceso de velocidad en el motor….1847
Código de falla [CA238] Error. Suministro energético al sensor de velocidad Ne….1848
Código de falla [CA271] IMV/PCV1 Error. Corto circuito….1849
Código de falla [CA272] IMV/PCV1 Error: Circuito abierto….1850
Código de falla [CA322] Inyector No. 1 Abierto/Corto circuito Error….1852
Código de falla [CA323] Inyector No. 5 Abierto/Corto. Error….1854
Código de falla [CA324] Inyector No. 3 Abierto/Corto circuito Error….1856
Código de falla [CA325] Inyector No. 6 Abierto/Corto circuito Error….1858
Código de falla [CA331] Inyector No. 2 Abierto/Corto circuito. Error….1860
Código de falla [CA332] Inyector No. 4 Abierto/Corto circuito. Error….1862
40 Localización de fallas….1865
Localización de fallas por código de fallas (Exposición de los códigos), Parte 2….1867
Código de falla [CA342] Incompatibilidad con el Código de Calibración….1867
Código de falla [CA351] Error en el circuito de mando de los inyectores….1868
Código de falla [CA352] Error. Bajo voltaje en el circuito 1 de suministro al sensor….1870
Código de falla [CA386] Error. Alto voltaje en el circuito 1 de suministro al sensor….1872
Código de falla [CA428] Error. Alto voltaje en la señal de agua en el combustible….1874
Código de falla [CA429] Error. Bajo voltaje en la señal de agua en el combustible….1876
Código de falla [CA441] Error. Bajo el voltaje de batería….1878
Código de falla [CA442] Error. Alto el voltaje de la batería….1880
Código de falla [CA449] Error. Muy alta la presión en el múltiple de combustible….1882
Código de falla [CA451] Error. Alta presión en el sensor en el múltiple de combustible….1886
Código de falla [CA452] Error. Baja la señal del sensor del mútiple común de combustible….1888
Código de falla [CA553] Error. Alta presión en el múltiple común de combustible….1890
Código de falla [CA559] Error. Baja presión en el múltiple común de combustible….1891
Código de falla [CA689] Error. Sensor de velocidad Ne del motor….1893
Código de falla [CA731] Error. Fase del sensor de velocidad de retroceso del motor….1895
Código de falla [CA757] Error de Perdida de Todos los Datos Persistentes….1896
Código de falla [CA778] Error. Sensor de velocidad de retroceso del motor….1898
Código de falla [ CA1633] Error. Exceso de tiempo en comunicación con base de datos del KOMNET….1900
Código de falla [CA2185] Error. Alto voltaje suministrado al sensor del acelerador….1902
Código de falla [CA2186] Error. Bajo voltaje suministrado al sensor del acelerador….1903
Código de falla [CA2249] Error. Muy baja la presión en el múltiple de combustible….1904
Código de falla [CA2265] Error de Alta en la Bomba impelente Eléctrica….1906
Código de falla [CA2266] Error de Baja en la Bomba Impelente Eléctrica….1908
Código de falla [CA2555] Error. Alto voltaje en relé de parrilla del calentador….1910
Código de falla [CA2556] Error. Bajo voltaje en el relé de la parrilla del calentador….1912
Código de falla [D110KB] Corto Circuito en el Mando del Relé de la Batería….1914
Código de falla [D196KA] Desconexión del Relé de Retorno a Servicio….1916
Código de falla [D196KB] Corto Circuito del Relé de Retorno al Servicio….1918
Código de falla [DA25KP] Anormalidad de energía en el sensor de presión….1920
Código de falla [DA2RMC] Anormalidad en Comunicación de la Bomba….1922
Código de falla [DA2SKQ] Anormalidad en la Selección de Modelo….1924
40 Localización de fallas….1927
Localización de fallas por código de fallas (Exposición de los códigos), Parte 3….1930
Código de falla [DAFRMC] Anormalidad de Comunicación del Monitor….1930
Código de falla [DHPAMA] Anormalidad en sensor de presión de la bomba delantera….1932
Código de falla [DHPBMA] Anormalidad en el sensor de presión de la bomba trasera….1934
Código de falla [DHS3MA] Anormalidades en el Sensor PPC Para Recoger el Brazo….1936
Código de falla [DHS4MA] Anormalidad en el sensor de presión PPC de recoger el cucharón….1938
Código de falla [DW43KA] Desconexión del solenoide de velocidad de traslado….1940
Código de falla [DW43KB] Corto Circuito en el Solenoide de Velocidad de Traslado….1942
Código de falla [DW45KA] Desconexión del solenoide del freno de giro….1944
Código de falla [DW45KB] Corto circuito en el solenoide del freno del giro….1948
Código de falla [DW91KA] Desconexión del solenoide de la unión de traslado….1950
Código de falla [DW91KB] Corto circuito en el solenoide de unión de traslado….1952
Código de falla [DWJ0KA] Desconexión del Solenoide de Unión – División….1954
Código de falla [DWJ0KB] Corto circuito en el Solenoide de Unión- División….1956
Código de falla [DWK0KA] Desconexión del Solenoide de Alivio de 2 Etapas….1958
Código de falla [DWK0KB] Corto circuito en el Solenoide de Alivio de 2 Etapas….1960
Código de falla (DXA0KA) Desconexión del solenoide PC-EPC….1962
Código de falla [DXA0KB] Corto circuito en el solenoide PC-EPC….1964
Código de falla [DXE0KA] Desconexión del solenoide LS-EPC….1966
Código de falla [DXE0KB] Corto circuito en el solenoide LS-EPC….1968
Código de falla [DXE4KA] Desconexión del EPC de la Corriente de Servicio….1970
Código de falla [DXE4KB] Corto Circuito en el EPC de la Corriente de Servicio….1971
Código de falla (DY20KA) Anormalidad en el Trabajo del Limpiaparabrisas….1972
Código de falla (DY20MA) Anormalidad en la Parada del Limpiaparabrisas….1974
Código de falla [DY2CKB] Corto circuito en el Mando del Lavaparabrisas….1976
Código de falla [DY2DKB] Corto circuito (Avance) en el Mando del limpiaparabrisas….1978
Código de falla [DY2EKB] Corto circuito (Retroceso) en el Mando del limpiaparabrisas….1980
40 Localización de fallas….1983
Localización de fallas del sistema eléctrico (Modo E)….1986
Antes de efectuar localización de fallas para el sistema eléctrico….1986
Información contenida en la tabla de localización de fallas….1988
E-1 El motor no arranca….1989
E-2 El auto desacelerador no funciona….1992
E-3 La función de calentamiento automático no trabaja….1994
E-4 El precalentador no trabaja….1996
E-5 Todo el equipo de trabajo, giro y mecanismo de traslado no se mueven….1998
E-6 La función de maximizar la potencia no funciona….2000
E-7 El monitor de la máquina no exhibe nada….2001
E-8 El monitor de la máquina no exhibe algunos ítemes….2002
E-9 Los contenidos de exhibición por el monitor de la máquina son diferentes a los de la máquina aplicable….2002
E-10 El monitor de nivel de combustible se iluminó en rojo mientras el motor estaba funcionando….2003
E-11 El indicador de temperatura del refrigerante del motor no indica normalmente….2004
E-12 El indicador de temperatura del aceite hidráulico no indica normalmente….2006
E-13 El medidor de combustible no funciona normalmente….2007
E-14 El monitor del cierre del giro no indica normalmente….2008
E-15 Cuando se opera el interruptor del monitor, no hay exposición en el monitor….2010
E-16 El limpiaparabrisas y el lavaparabrisas no funcionan….2012
E-17 La función de empuje hacia arriba de la máquina no funciona normalmente….2016
E-18 La función de monitoreo falla en exhibir normalmente "subir aguilón" (Boom raise)….2018
E-19 La función de monitoreo falla en exhibir normalmente "bajar aguilón" (Boom lower)….2019
E-20 La función de monitoreo falla en exhibir normalmente "retraer brazo" (Arm IN)….2020
E-21 La función de monitoreo falla en exhibir normalmente "extender el brazo" (Arm OUT)….2021
E-22 La función de monitoreo falla en exhibir normalmente "recoger el cucharón" (bucket CURL)….2022
E-23 La función de monitoreo falla en exhibir normalmente "descargar del cucharón" (bucket DUMP)….2023
E-24 La función de monitoreo falla en exhibir normalmente el giro (Swing) normalmente….2024
E-25 La función de monitoreo falla en exhibir normalmente el "traslado" (Travel)….2026
E-26 La función de monitoreo falla en exhibir normalmente la "presión diferencial de traslado"….2028
E-27 La función de monitoreo falla en exhibir normalmente el "servicio" (Servicio)….2030
E-28 El sistema KOMTRAX no funciona normalmente….2032
E-29 El acondicionador de aire no funciona….2034
E-30 La alarma de traslado no suena o no para de sonar….2036
E-31 La bocina de alarma no suena….2038
40 Localización de fallas….2041
Localización de fallas de los sistemas hidráulico y mecánico (Modo H)….2044
Tabla de los sistemas hidráulico y mecánico….2044
Información contenida en la tabla de localización de fallas….2046
H-1 Todo el equipo de trabajo está falto de fuerza, o las velocidades de traslado y de giro son lentas….2048
H-2 La velocidad del motor desciende agudamente o el motor se cala….2050
H-3 No hay movimiento en el equipo de trabajo, traslado o giro….2051
H-4 Se escucha ruido anormal alrededor de la bomba hidráulica….2051
H-5 No trabaja la auto desaceleración….2052
H-6 No funciona el modo del control afinado o su respuesta es lenta….2052
H-7 El aguilón se mueve lentamente o está falto de fuerza….2053
H-8 El brazo se mueve lentamente o está falto de fuerza….2054
H-9 El cucharón se mueve lentamente o está falto de fuerza….2055
H-10 El equipo de trabajo no se mueve cuando se actua una sola operación….2055
H-11 El equipo de trabajo tiene un desplazamiento hidráulico un poco rápido….2056
H-12 El equipo de trabajo reacciona con gran demora….2058
H-13 Otros equipos de trabajo se mueven al aliviar un solo circuito….2058
H-14 No trabaja el interruptor de máxima potencia (power max.)….2059
H-15 En operación combinada, el equipo de trabajo con mayor carga se mueve lentamente….2059
H-16 En las operaciones de giro y subir el aguilón, el aguilón se mueve lento….2060
H-17 En las operaciones de giro y traslado, la velocidad del traslado baja excesivamente….2060
H-18 La máquina vira bruscamente durante el traslado….2061
H-19 La máquina se traslada lentamente….2061
H-20 La máquina no vira fácilmente o le falta potencia….2063
H-21 La velocidad de traslado no cambia, o está demasiado lenta o demasiado rápida….2064
H-22 La oruga no da vueltas (un lado solamente)….2065
H-23 La máquina no gira….2066
H-24 La aceleración de giro es deficiente, o la velocidad del giro es lenta….2068
H-25 Excesivo desplazamiento al detener el giro….2070
H-26 Hay una fuerte sacudida al detener el giro….2071
H-27 Se producen sonidos fuertes cuando la estructura superior termina su giro….2071
H-28 El desplazamiento hidráulico en el giro es excesivo….2072
40 Localización de fallas….2075
Localización de fallas en el motor (Modo-S)….2077
Método para el uso de la tabla de localización de fallas….2077
S-1 Deficiente desempeño de arranque….2080
S-2 El motor no arranca….2081
S-3 El motor no acelera suavemente….2084
S-4 El motor se para durante operaciones….2085
S-5 El motor no gira suavemente….2086
S-6 El motor carece de salida (o falta de fuerza)….2087
S-7 El gas de escape es negro (combustión incompleta)….2088
S-8 Excesivo consumo de aceite (o el humo de escape es color azul)….2089
S-9 El aceite se contamina rápidamente….2090
S-10 El consumo de combustible es excesivo….2091
S-11 Hay aceite en el refrigerante (o el refrigerante borbotea o el nivel del refrigerante va hacia abajo)….2092
S-12 Cae la presión del aceite….2093
S-13 Crece el nivel del aceite (Entrada de refrigerante o combustible)….2094
S-14 Aumenta mucho la temperatura del refrigerante (recalentamiento)….2095
S-15 Un ruido anormal es producido….2096
S-16 La vibración es excesiva….2097
90 Diagramas y dibujos….2099
Diagramas y dibujos hidráulicos….0
Glosario de Terminos….2100
90 Diagramas y dibujos….2110
SEN03537-03 – Hydraulic Excavator PC300-7E0, PC300LC-7E0, PC350-7E0, PC350LC-7E0 Shop Manual….2120
COVER….2120
00 Index and foreword….0
Index….2121
Composition of shop manual….2122
Table of contents….2124
Foreword and general information….2133
Safety notice….2134
How to read the shop manual….2139
Explanation of terms for maintenance standard….2141
Handling of electric equipment and hydraulic component….2143
Handling of connectors newly used for engines….2152
How to read electric wire code….2155
Precautions when carrying out operation….2158
Method of disassembling and connecting push-pull type coupler….2161
Standard tightening torque table….2164
Conversion table….2168
01 Specification….0
Specification and technical data….2175
Specification dimension drawings….2176
Specifications….2178
Weight table….2184
Table of fuel, coolant and lubricants….2186
10 Structure, function and maintenance standard….0
Engine and cooling system….2189
Engine related parts….2190
Radiator, oil cooler and aftercooler….2191
Power train….2193
Power train….2194
Final drive….2196
Sprocket….2198
Swing machinery….2200
Swing circle….2202
Undercarriage and frame….2205
Track frame and recoil spring….2206
Idler….2208
Carrier roller….2210
Track roller….2211
Track shoe….2212
Hydraulic system, Part 1….2217
Hydraulic equipment layout drawing….2218
Hydraulic tank and filter….2220
Hydraulic pump….2222
Hydraulic system, Part 2….2247
Control valve….2248
CLSS….2260
Functions and operation by valve….2264
Merge-divider valve….2279
Attachment circuit selector valve….2304
Hydraulic drift prevention valve….2306
Hydraulic system, Part 3….2313
Valve control….2314
PPC valve….2315
Solenoid valve….2331
PPC accumulator….2333
Return oil filter….2334
Center swivel joint….2335
Travel motor….2336
Swing motor….2348
Hydraulic cylinder….2357
Work equipment….2361
Work equipment….2362
Dimensions of components….2364
Cab and its attachments….2369
Air conditioner piping….2370
Electrical system….2373
Engine control….2374
Electronic control system….2383
Monitor system….2408
Sensor….2426
KOMTRAX system….2429
20 Standard value table….0
Standard service value table….2433
Standard value table for engine related parts….2434
Standard value table for chassis related parts….2435
30 Testing and adjusting….0
Testing and adjusting, Part 1….2447
Tools for testing, adjusting and troubleshooting….2449
Sketches of special tools….2453
Measuring engine speed….2454
Measuring air boost pressure….2455
Measuring exhaust gas color….2456
Adjusting valve clearance….2458
Measuring compression pressure….2460
Measuring blow-by pressure….2464
Measuring engine oil pressure….2465
Measuring fuel pressure….2466
Handling during cylinder cut-out operation….2471
Handling during no injection cranking operation….2471
Measuring fuel return rate and leakage….2472
Bleeding air from fuel circuit….2474
Checking fuel circuit for leakage….2475
Testing and adjusting air compressor belt tension….2476
Replacement of fan belt….2477
Replacement of alternator belt….2478
Measuring clearance in swing circle bearings….2479
Testing and adjusting track shoe tension….2480
Testing and adjusting oil pressure in work equipment, swing and travel circuit….2481
Testing and adjusting control circuit oil pressure….2485
Testing and adjusting pump PC control circuit oil pressure….2486
Testing and adjusting pump LS control circuit oil pressure….2489
Measuring solenoid valve output pressure….2494
Measuring PPC valve output pressure….2498
Adjusting play of work equipment and swing PPC valves….2499
Inspecting locations of hydraulic drift of work equipment….2500
Releasing remaining pressure in hydraulic circuit….2502
Measuring oil leakage amount….2503
Bleeding air from various parts….2505
Testing and adjusting, Part 2….2509
Special functions of machine monitor….2510
Testing and adjusting, Part 3….2539
Procedure for turning on KOMTRAX terminal….2540
Indication by KOMTRAX terminal lamps….2543
Handling voltage circuit of engine controller….2546
Preparation work for troubleshooting of electrical system….2547
Procedure for testing diodes….2551
Pm clinic service….2552
40 Troubleshooting….0
Failure code table and fuse locations….2559
Failure codes table….2560
Before carrying out troubleshooting when failure code is displayed….2564
General information on troubleshooting….2569
Points to remember when troubleshooting….2570
Sequence of events in troubleshooting….2571
Checks before troubleshooting….2572
Classification and troubleshooting steps….2573
Information in troubleshooting table….2574
Connection table for connector pin numbers….2579
T- branch box and T- branch adapter table….2615
Troubleshooting by failure code (Display of code), Part 1….2619
Failure code [AA10NX] Air cleaner Clogging….2622
Failure code [AB00KE] Charge Voltage Low….2624
Failure code [B@BAZG] Eng Oil Press. Low….2626
Failure code [B@BAZK] Eng Oil Level Low….2628
Failure code [B@BCNS] Eng. Water Overheat….2630
Failure code [B@BCZK] Eng Water Level Low….2632
Failure code [B@HANS] Hydr Oil Overheat….2634
Failure code [CA111] EMC Critical Internal Failure….2636
Failure code [CA115] Eng Ne and Bkup Speed Sens Error….2637
Failure code [CA122] Chg Air Press Sensor High Error….2638
Failure code [CA123] Chg Air Press Sensor Low Error….2640
Failure code [CA131] Throttle Sensor High Error….2642
Failure code [CA132] Throttle Sensor Low Error….2644
Failure code [CA144] Coolant Temp Sens High Error….2646
Failure code [CA145] Coolant Temp Sens Low Error….2648
Failure code [CA153] Chg Air Temp Sensor High Error….2650
Failure code [CA154] Chg Air Temp Sensor Low Error….2652
Failure code [CA155] Chg Air Temp High Speed Derate….2654
Failure code [CA187] Sens Supply 2 Volt Low Error….2656
Failure code [CA221] Ambient Press Sens High Error….2658
Failure code [CA222] Ambient Press Sens Low Error….2660
Failure code [CA227] Sens Supply 2 Volt High Error….2662
Failure code [CA234] Eng Overspeed….2663
Failure code [CA238] Ne Speed Sens Supply Volt Error….2664
Failure code [CA271] IMV/PCV1 Short Error….2665
Failure code [CA272] IMV/PCV1 Open Error….2666
Failure code [CA322] Inj #1 (L/B#1) Open/Short Error….2668
Failure code [CA323] Inj #5 (L/B#5) Open/Short Error….2670
Failure code [CA324] Inj #3 (L/B#3) Open/Short Error….2672
Failure code [CA325] Inj #6 (L/B#6) Open/Short Error….2674
Failure code [CA331] Inj #2 (L/B#2) Open/Short Error….2676
Failure code [CA332] Inj #4 (L/B#4) Open/Short Error….2678
Troubleshooting by failure code (Display of code), Part 2….2681
Failure code [CA342] Calibration Code Incompatibility….2683
Failure code [CA351] Injectors Drive Circuit Error….2684
Failure code [CA352] Sens Supply 1 Volt Low Error….2686
Failure code [CA386] Sens Supply 1 Volt High Error….2688
Failure code [CA428] Water in Fuel Sensor High Error….2690
Failure code [CA429] Water in Fuel Sensor Low Error….2692
Failure code [CA435] Eng. Oil Press Sw Error….2694
Failure code [CA441] Battery Voltage Low Error….2696
Failure code [CA442] Battery Voltage High Error….2698
Failure code [CA449] Rail Press Very High Error….2700
Failure code [CA451] Rail Press Sensor High Error….2704
Failure code [CA452] Rail Press Sensor Low Error….2706
Failure code [CA553] Rail Press High Error….2708
Failure code [CA559] Rail Press Low Error….2709
Failure code [CA689] Eng Ne Speed Sensor Error….2711
Failure code [CA731] Eng Bkup Speed Sens Phase Error….2713
Failure code [CA757] All Persistent Data Lost Error….2714
Failure code [CA778] Eng Bkup Speed Sensor Error….2716
Failure code [CA1633] KOMNET Datalink Timeout Error….2718
Failure code [CA2185] Throt Sens Sup Volt High Error….2720
Failure code [CA2186] Throt Sens Sup Volt Low Error….2721
Failure code [CA2249] Rail Press Very Low Error….2722
Failure code [CA2265] Fuel Feed Pump Open Error….2724
Failure code [CA2266] Fuel Feed Pump Short Error….2726
Failure code [CA2311] IMV Solenoid Error….2728
Failure code [CA2555] Grid Htr Relay Volt Low Error….2730
Failure code [CA2556] Grid Htr Relay Volt High Error….2732
Failure code [D110KB] Battery Relay Drive Short Circuit….2734
Failure code [D196KA] Service Return Relay Disc….2736
Failure code [D196KB] Service Return Relay S/C….2738
Failure code [DA25KP] Press. Sensor Power Abnormality….2740
Failure code [DA2RMC] Pump Comm. Abnormality….2742
Failure code [DA2SKQ] Model Selection Abnormality….2744
Troubleshooting by failure code (Display of code), Part 3….2747
Failure code [DAFRMC] Monitor Comm. Abnormality….2750
Failure code [DHPAMA] F Pump Press Sensor Abnormality….2752
Failure code [DGH2KB] Hydr Oil Sensor Short Circuit….2754
Failure code [DHPBMA] R Pump Press Sensor Abnormality….2756
Failure code [DHS3MA] Arm Curl PPC Press Sensor Abnormality….2758
Failure code [DHS4MA] Bucket Curl PPC Press Sensor Abnormality….2760
Failure code [DW43KA] Travel Speed Sol. Open Circuit….2762
Failure code [DW43KB] Travel Speed Sol. Short Circuit….2764
Failure code [DW45KA] Swing Brake Sol. Open Circuit….2766
Failure code [DW45KB] Swing Brake Sol. Short Circuit….2770
Failure code [DW91KA] Travel Junction Sol. Open Circuit….2772
Failure code [DW91KB] Travel Junction Sol. Short Circuit….2774
Failure code [DWJ0KA] Merge-divider Sol. Open Circuit….2776
Failure code [DWJ0KB] Merge-divider Sol. Short Circuit….2778
Failure code [DWK0KA] 2-stage Relief Sol. Open Circuit….2780
Failure code [DWK0KB] 2-stage Relief Sol. Short Circuit….2782
Failure code [DXA0KA] PC-EPC Sol. Open Circuit….2784
Failure code [DXA0KB] PC-EPC Sol. Short Circuit….2786
Failure code [DXE0KA] LS-EPC Sol. Open Circuit….2788
Failure code [DXE0KB] LS-EPC Sol. Short Circuit….2790
Failure code [DXE4KA] Service Current EPC Open Circuit….2792
Failure code [DXE4KB] Service Current EPC Short Circuit….2793
Failure code [DY20KA] Wiper Working Abnormality….2794
Failure code [DY20MA] Wiper Parking Abnormality….2796
Failure code [DY2CKB] Washer Drive Short Circuit….2798
Failure code [DY2DKB] Wiper Drive (Fwd) Short Circuit….2800
Failure code [DY2EKB] Wiper Drive (Rev) Short Circuit….2802
Troubleshooting of electrical system (E-mode)….2805
Before carrying out troubleshooting of electrical system….2808
Information contained in troubleshooting table….2810
E-1 Engine does not start….2811
E-2 Auto-decelerator does not operate….2814
E-3 Automatic warming-up system does not operate….2816
E-4 Preheater does not operate….2818
E-5 All work equipment, swing, and travel mechanism do not move….2820
E-6 Power maximizing function does not operate….2822
E-7 Machine monitor does not display at all….2824
E-8 Machine monitor does not display some items….2826
E-9 Contents of display by machine monitor are different from applicable machine….2826
E-10 Fuel level monitor was lighted in red while engine running….2827
E-11 Engine coolant temperature gauge does not indicate normally….2828
E-12 Hydraulic oil temperature gauge does not indicate normally….2830
E-13 Fuel level gauge does not indicate normally….2831
E-14 Swing lock monitor does not indicate normally….2832
E-15 When monitor switch is operated, monitor displays nothing….2834
E-16 Windshield wiper and window washer do not operate….2836
E-17 Machine push-up function does not operate normally….2840
E-18 Monitoring function fails to display “boom raise” normally….2842
E-19 Monitoring function fails to display “boom lower” normally….2844
E-20 Monitoring function fails to display “arm IN” normally….2846
E-21 Monitoring function fails to display “arm OUT” normally….2848
E-22 Monitoring function fails to display “bucket CURL” normally….2850
E-23 Monitoring function fails to display “bucket DUMP” normally….2852
E-24 Monitoring function fails to display “swing” normally….2854
E-25 Monitoring function fails to display “travel” normally….2856
E-26 Monitoring function fails to display “travel differential pressure” normally….2858
E-27 Monitoring function fails to display “service” normally….2860
E-28 KOMTRAX system does not operate normally….2862
E-29 Air conditioner does not operate….2864
E-30 Travel alarm does not sound or does not stop sounding….2866
E-31 Horn does not sound….2868
Troubleshooting of hydraulic and mechanical system (H-mode)….2871
System chart for hydraulic and mechanical system….2874
Information contained in troubleshooting table….2876
H-1 All work equipment lack power, or travel and swing speeds are slow….2878
H-2 Engine speed sharply drops or engine stalls….2880
H-3 No work equipment, swing or travel move….2881
H-4 Abnormal noise is heard from around hydraulic pump….2881
H-5 Auto-decelerator does not work….2882
H-6 Fine control mode does not function or responds slow….2882
H-7 Boom moves slowly or lacks power….2883
H-8 Arm moves slowly or lacks power….2884
H-9 Bucket moves slowly or lacks power….2885
H-10 Work equipment does not move in its single operation….2885
H-11 Work equipment has a bit too fast hydraulic drift….2886
H-12 Work equipment has big time lag….2888
H-13 Other work equipment moves when relieving single circuit….2888
H-14 Power max. switch does not operate….2889
H-15 Machine push-up function does not operate….2889
H-16 In compound operation, work equipment with larger load moves slowly….2890
H-17 In swing + boom RAISE operation, boom moves slowly….2890
H-18 In swing + travel operation, travel speed drops sharply….2890
H-19 Machine swerves in travel….2891
H-20 Machine travels slowly….2892
H-21 Machine cannot be easily steered or lacks power….2893
H-22 Travel speed does not shift, or it is too slow or fast….2894
H-23 Track shoe does not turn (on one side only)….2895
H-24 Machine does not swing….2896
H-25 Swing acceleration is poor, or swing speed is slow….2898
H-26 Excessive overrun when stopping swing….2900
H-27 There is big shock when stopping swing….2901
H-28 Large sound is made when upper structure stops swinging….2901
H-29 Swing hydraulic drift is too big….2902
Troubleshooting of engine (S-mode)….2905
Method of using troubleshooting chart….2907
S-1 Starting performance is poor….2910
S-2 Engine does not start….2911
S-3 Engine does not pick up smoothly….2914
S-4 Engine stops during operations….2915
S-5 Engine does not rotate smoothly….2916
S-6 Engine lacks output (or lacks power)….2917
S-7 Exhaust smoke is black (incomplete combustion)….2918
S-8 Oil consumption is excessive (or exhaust smoke is blue)….2919
S-9 Oil becomes contaminated quickly….2920
S-10 Fuel consumption is excessive….2921
S-11 Oil is in coolant (or coolant spurts back or coolant level goes down)….2922
S-12 Oil pressure drops….2923
S-13 Oil level rises (Entry of coolant or fuel)….2924
S-14 Coolant temperature becomes too high (overheating)….2925
S-15 Abnormal noise is made….2926
S-16 Vibration is excessive….2927
50 Disassembly and assembly….0
General information on disassembly and assembly….2929
How to read this manual….2930
Coating materials list….2932
Special tools list….2935
Sketches of special tools….2939
Engine and cooling system….2943
Removal and installation of fuel supply pump assembly….2944
Removal and installation of engine front seal….2947
Removal and installation of engine rear seal….2950
Removal and installation of cylinder head assembly….2955
Removal and installation of radiator assembly….2968
Removal and installation of hydraulic oil cooler assembly….2970
Removal and installation of aftercooler assembly….2972
Removal and installation of engine and hydraulic pump assembly….2973
Power train….2979
Removal and installation of final drive assembly….2980
Disassembly and assembly of final drive assembly….2981
Removal and installation of swing motor and swing machinery assembly….2989
Disassembly and assembly of swing motor and swing machinery assembly….2990
Removal and installation of swing circle assembly….2997
Undercarriage and frame….2999
Disassembly and assembly of carrier roller….3000
Disassembly and assembly of track roller assembly….3001
Disassembly and assembly of idler assembly….3002
Disassembly and assembly of recoil spring….3005
Removal and installation of sprocket….3007
Expansion and installation of track shoe assembly….3008
Removal and installation of revolving frame assembly….3009
Removal and installation of counterweight assembly….3011
Hydraulic system….3013
Removal and installation of center swivel joint assembly….3014
Disassembly and assembly of center swivel joint assembly….3016
Removal and installation of hydraulic tank assembly….3017
Removal and installation of control valve assembly….3019
Disassembly and assembly of control valve assembly….3022
Removal and installation of hydraulic pump assembly….3024
Removal and installation of oil seal in hydraulic pump input shaft….3026
Disassembly and assembly of work equipment PPC valve assembly….3027
Disassembly and assembly of travel PPC valve assembly….3029
Disassembly and assembly of hydraulic cylinder assembly….3032
Work equipment….3039
Removal and installation of work equipment assembly….3040
Cab and its attachments….3045
Removal and installation of operator's cab assembly….3046
Removal and installation of operator’s cab glass (stuck glass)….3049
Removal and installation of front window assembly….3058
Electrical system….3065
Removal and installation of assembly….3066
Removal and installation of machine monitor….3068
Removal and installation of pump controller….3068
Removal and installation of KOMTRAX terminal….3069
Removal and installation of engine controller….3069
90 Diagrams and drawings….0
Hydraulic diagrams and drawings….3071
Hydraulic circuit diagram….3073
Electrical diagrams and drawings….3076
Electrical circuit diagram….3078
Connector list and stereogram….3082
TEN00117-08 – Hydraulic Excavator PC300-7E0, PC300LC-7E0, PC350-7E0, PC350LC-7E0 Operation & Maintenance Manual….3085
COVER….3085
FOREWORD….3086
BEFORE READING THIS MANUAL….3087
SAFETY INFORMATION….3088
INTRODUCTION….3089
USE OF MACHINE….3089
DIRECTIONS OF MACHINE….3089
VISIBILITY FROM OPERATOR'S SEAT….3089
PRODUCT INFORMATION….3090
PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. PLATE….3090
EPA REGULATIONS, ENGINE NUMBER PLATE….3090
SERVICE METER LOCATION….3091
YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR….3091
CONTENTS….3092
SAFETY….3096
SAFETY….3097
SAFETY LABELS….3100
LOCATION OF SAFETY LABELS….3100
SAFETY LABELS….3101
GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTENANCE….3107
PRECAUTIONS BEFORE STARTING OPERATION….3107
PREPARATIONS FOR SAFE OPERATION….3107
FIRE PREVENTION….3109
PRECAUTIONS WHEN GETTING ON OR OFF MACHINE….3110
DO NOT GET CAUGHT IN WORK EQUIPMENT….3112
PRECAUTIONS RELATED TO PROTECTIVE STRUCTURES….3112
PROTECTION AGAINST FALLING, FLYING, INTRUDING OBJECTS….3112
UNAUTHORIZED MODIFICATION….3113
PRECAUTIONS RELATED TO ATTACHMENTS AND OPTIONS….3113
PRECAUTIONS RELATED TO CAB GLASS….3113
PRECAUTIONS WHEN RUNNING ENGINE INSIDE BUILDING….3113
PRECAUTIONS FOR OPERATION….3114
PRECAUTIONS FOR JOBSITE….3114
STARTING ENGINE….3116
OPERATION….3118
TRANSPORTATION….3126
TOWING….3127
LIFTING OBJECTS WITH BUCKET….3128
PRECAUTIONS FOR MAINTENANCE….3129
PRECAUTIONS BEFORE STARTING INSPECTION AND MAINTENANCE….3129
PRECAUTIONS FOR INSPECTION AND MAINTENANCE….3133
OPERATION….3140
MACHINE VIEW ILLUSTRATIONS….3141
OVERALL MACHINE VIEW….3141
CONTROLS AND GAUGES….3142
DETAILED CONTROLS AND GAUGES….3144
MONITORING SYSTEM….3144
SWITCHES….3174
CONTROL LEVERS AND PEDALS….3179
SUN ROOF….3182
WINDSHIELD….3182
EMERGENCY EXIT FROM OPERATOR'S CAB….3187
DOOR LOCK….3187
CAP WITH LOCK….3188
HOT AND COOL BOX….3189
MAGAZINE BOX….3190
ASHTRAY….3190
AIR CONDITIONER CONTROLS….3191
RADIO….3205
AUXILIARY ELECTRIC POWER….3210
FUSE….3211
FUSIBLE LINK….3212
CONTROLLER….3212
TOOL BOX….3212
GREASE PUMP HOLDER….3213
MACHINE OPERATIONS AND CONTROLS….3214
BEFORE STARTING ENGINE….3214
STARTING ENGINE….3232
AFTER STARTING ENGINE….3235
STOPPING THE ENGINE….3246
MACHINE OPERATION….3247
STEERING THE MACHINE….3251
SWINGING….3253
WORK EQUIPMENT CONTROLS AND OPERATIONS….3254
WORKING MODE….3256
PROHIBITED OPERATIONS….3257
GENERAL OPERATION INFORMATION….3262
TRAVELING ON SLOPES….3263
ESCAPE FROM MUD….3265
RECOMMENDED APPLICATIONS….3266
BUCKET REPLACEMENT AND INVERSION….3268
PARKING MACHINE….3272
MACHINE INSPECTION AFTER DAILY WORK….3273
LOCKING….3274
TRANSPORTATION….3275
TRANSPORTATION PROCEDURE….3275
LOADING AND UNLOADING WITH TRAILER….3276
LIFTING MACHINE….3285
COLD WEATHER OPERATION….3287
COLD WEATHER OPERATION INFORMATION….3287
AFTER DAILY WORK COMPLETION….3290
AFTER COLD WEATHER SEASON….3290
LONG TERM STORAGE….3291
BEFORE STORAGE….3291
DURING STORAGE….3291
AFTER STORAGE….3292
STARTING MACHINE AFTER LONG-TERM STORAGE….3292
TROUBLES AND ACTIONS….3293
RUNNING OUT OF FUEL….3293
PHENOMENA THAT ARE NOT FAILURES….3294
TOWING THE MACHINE….3295
LIGHTWEIGHT TOWING HOLE….3296
SEVERE JOB CONDITION….3296
DISCHARGED BATTERY….3297
OTHER TROUBLE….3301
MAINTENANCE….3308
MAINTENANCE INFORMATION….3309
OUTLINE OF SERVICE….3311
HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC….3311
ELECTRIC SYSTEM MAINTENANCE….3314
WEAR PARTS….3315
WEAR PARTS LIST….3315
RECOMMENDED FUEL, COOLANT, AND LUBRICANT….3316
RECOMMENDED BRANDS, RECOMMENDED QUALITY FOR PRODUCTS OTHER THAN KOMATSU GENUINE OIL….3318
TIGHTENING TORQUE SPECIFICATIONS….3319
TIGHTENING TORQUE LIST….3319
SAFETY CRITICAL PARTS….3320
SAFETY CRITICAL PARTS LIST….3321
MAINTENANCE SCHEDULE….3322
MAINTENANCE SCHEDULE CHART….3322
MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER….3324
MAINTENANCE PROCEDURE….3325
INITIAL 1000 HOURS MAINTENANCE (ONLY AFTER THE FIRST 1000 HOURS)….3325
WHEN REQUIRED….3326
CHECK BEFORE STARTING….3353
EVERY 50 HOURS MAINTENANCE….3354
EVERY 250 HOURS MAINTENANCE….3355
EVERY 500 HOURS MAINTENANCE….3361
EVERY 1000 HOURS MAINTENANCE….3374
EVERY 2000 HOURS MAINTENANCE….3380
EVERY 4000 HOURS MAINTENANCE….3387
EVERY 5000 HOURS MAINTENANCE….3390
EVERY 8000 HOURS MAINTENANCE….3392
SPECIFICATIONS….3394
SPECIFICATIONS….3395
ATTACHMENTS, OPTIONS….3398
GENERAL PRECAUTIONS FOR SAFETY….3399
PRECAUTIONS WHEN SELECTING….3399
READ THE INSTRUCTION MANUAL THOROUGHLY….3399
PRECAUTIONS WHEN REMOVING OR INSTALLING….3399
PRECAUTIONS WHEN USING….3399
BUCKET WITH HOOK….3400
HOOK CONDITION….3400
PROHIBITED OPERATIONS….3400
MACHINE READY FOR ATTACHMENT….3401
LOCATIONS….3401
HYDRAULIC CIRCUIT….3405
ATTACHMENT REMOVAL AND INSTALLATION….3410
ATTACHMENT OPERATIONS….3414
LONG TERM STORAGE….3415
SPECIFICATIONS….3415
ATTACHMENT GUIDE….3416
ATTACHMENT COMBINATIONS….3416
TRACK SHOES SELECTION….3418
RECOMMENDED ATTACHMENT OPERATIONS….3419
HYDRAULIC BREAKER….3419
HANDLING MACHINES EQUIPPED WITH KOMTRAX….3423
BASIC PRECAUTIONS….3423
INDEX….3424
Komatsu Logging Road Builder / Excavator PC350LL-E0, PC300-E0, PC300LC-E0, PC350-E0, PC350LC-E0 Repair Service Manuals