Komatsu Hydraulic Excavator PC400-7E0, PC400LC-7E0, PC450-7E0, PC450LC-7E0 Repair Service Manual
Complete service repair manual with Electrical Wiring Diagrams for Komatsu Hydraulic Excavator PC400-7E0, PC400LC-7E0, PC450-7E0, PC450LC-7E0, with all the technical information to maintain, diagnose, repair, rebuild like professional mechanics.
Komatsu Hydraulic Excavator PC400-7E0, PC400LC-7E0, PC450-7E0, PC450LC-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.
PRODUCT DETAILS:
Total Pages: 1,398 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
SEN03578-04 - Hydraulic Excavator PC400-7E0, PC400LC-7E0, PC450-7E0, PC450LC-7E0 Shop Manual.pdf
TEN00130-10 - Hydraulic Excavator PC400-7E0, PC400LC-7E0, PC450-7E0, PC450LC-7E0 Operation & Maintenance Manual.pdf
MAIN SECTIONS
SEN03578-04 - Hydraulic Excavator PC400-7E0, PC400LC-7E0, PC450-7E0, PC450LC-7E0 Shop Manual....2
COVER....2
00 Index and foreword....0
Index....3
Composition of shop manual....4
Table of contents....6
Foreword and general information....15
Safety notice....16
How to read the shop manual....21
Explanation of terms for maintenance standard....23
Handling of electric equipment and hydraulic component....25
Handling of connectors newly used for engines....34
How to read electric wire code....37
Precautions when carrying out operation....40
Method of disassembling and connecting push-pull type coupler....43
Standard tightening torque table....46
Conversion table....50
01 Specification....0
Specification and technical data....57
Specification dimension drawings....58
Specifications....62
Weight table....68
Table of fuel, coolant and lubricants....72
10 Structure, function and maintenance standard....0
Engine and cooling system....75
Engine related parts....76
Radiator, oil cooler and aftercooler....77
Power train....79
Power train....80
Final drive....82
Sprocket....84
Swing machinery....86
Swing circle....88
Undercarriage and frame....91
Track frame and recoil spring....92
Idler....94
Carrier roller....96
Track roller....97
Track shoe....98
Hydraulic system, Part 1....103
Hydraulic equipment layout drawing....104
Hydraulic tank and filter....106
Hydraulic pump....108
Hydraulic system, Part 2....133
Control valve....134
CLSS....158
Functions and operation by valve....162
Merge-divider valve....179
Attachment circuit selector valve....204
Holding valve....206
Hydraulic system, Part 3....213
Valve control....214
PPC valve....216
Solenoid valve....232
PPC accumulator....234
Return oil filter....235
Center swivel joint....236
Travel motor....237
Swing motor....249
Hydraulic cylinder....258
Work equipment....263
Work equipment....264
Dimensions of components....268
Cab and its attachments....273
Air conditioner piping....274
Electrical system....277
Engine control....278
Electronic control system....287
Monitor system....312
Sensor....330
KOMTRAX system....333
20 Standard value table....0
Standard service value table....337
Standard value table for engine related parts....338
Standard value table for chassis related parts (Backhoe specification)....339
Standard value table for chassis related parts (Loading shovel specification)....348
30 Testing and adjusting....0
Testing and adjusting, Part 1....359
Tools for testing, adjusting and troubleshooting....361
Measuring engine speed....365
Measuring air boost pressure....366
Measuring exhaust temperature....367
Measuring exhaust gas color....368
Adjusting valve clearance....369
Measuring compression pressure....371
Measuring blow-by pressure....373
Measuring engine oil pressure....374
Measuring EGR valve and bypass valve drive pressure....375
Handling fuel system parts....376
Releasing residual pressure from fuel system....376
Measuring fuel pressure....377
Handling during cylinder cut-out operation....378
Handling during no injection cranking operation....378
Measuring fuel return rate and leakage....379
Bleeding air from fuel circuit....382
Checking fuel circuit for leakage....384
Checking and adjusting fan belt and alternator belt tension....385
Checking and adjusting air conditioner compressor belt tension....386
Measuring swing circle bearing clearance....387
Checking and adjusting track shoe tension....388
Measuring and adjusting oil pressure in work equipment, swing, and travel circuits....389
Measuring control circuit basic pressure....393
Checking and adjusting pump PC control circuit oil pressure....394
Checking and adjusting pump LS control circuit oil pressure....397
Measuring solenoid valve output pressure....402
Measuring PPC valve output pressure....405
Adjusting play of work equipment and swing PPC valves....406
Inspecting locations of hydraulic drift of work equipment....407
Releasing residual pressure from hydraulic circuit....409
Measuring oil leakage amount....410
Bleeding air from various parts....413
Testing and adjusting, Part 2....417
Special functions of machine monitor....418
Testing and adjusting, Part 3....447
Procedure for turning on KOMTRAX terminal....448
Indication by KOMTRAX terminal lamps....451
Handling voltage circuit of engine controller....454
Preparation work for troubleshooting of electrical system....455
Procedure for testing diodes....460
Pm clinic service....461
Undercarriage troubleshooting report....468
40 Troubleshooting....0
Failure code table and fuse locations....471
Failure codes table....472
Before carrying out troubleshooting when failure code is displayed....476
Information related to troubleshooting....481
Points to remember when troubleshooting....482
Sequence of events in troubleshooting....483
Checks before troubleshooting....484
Classification and troubleshooting steps....485
Information in troubleshooting table....486
Connection table for connector pin numbers....491
T- branch box and T- branch adapter table....527
Troubleshooting by failure code (Display of code), Part 1....531
Failure code [AA10NX] Aircleaner Clogging....534
Failure code [AB00KE] Charge Voltage Low....536
Failure code [B@BAZG] Eng Oil Press. Low....538
Failure code [B@BAZK] Eng. Oil Level Low....540
Failure code [B@BCNS] Eng. Water Overheat....542
Failure code [B@BCZK] Eng. Water Lvl Low....544
Failure code [B@HANS] Hydr. Oil Overheat....546
Failure code [CA111] ECM Critical Internal Failure....548
Failure code [CA115] Eng Ne and Bkup Speed Sens Error....550
Failure code [CA122] Chg Air Press Sensor High Error....551
Failure code [CA123] Chg Air Press Sensor Low Error....553
Failure code [CA131] Throttle Sensor High Error....554
Failure code [CA132] Throttle Sensor Low Error....556
Failure code [CA135] Eng Oil Press Sensor High Error....557
Failure code [CA141] Eng Oil Press Sensor Low Error....559
Failure code [CA144] Coolant Temp Sens High Error....560
Failure code [CA145] Coolant Temp Sens Low Error....562
Failure code [CA153] Chg Air Temp Sensor High Error....564
Failure code [CA154] Chg Air Temp Sensor Low Error....566
Failure code [CA187] Sens Supply 2 Volt Low Error....568
Failure code [CA221] Ambient Press Sens High Error....570
Failure code [CA222] Ambient Press Sens Low Error....572
Failure code [CA227] Sens Supply 2 Volt High Error....573
Failure code [CA234] Eng Overspeed....575
Failure code [CA238] Ne Speed Sens Supply Volt Error....576
Failure code [CA263] Fuel Temp Sensor High Error....578
Failure code [CA265] Fuel Temp Sensor Low Error....580
Failure code [CA271] IMV/PCV1 Short Error....581
Failure code [CA272] IMV/PCV1 Open Error....582
Failure code [CA273] PCV2 Short Error....584
Failure code [CA274] PCV2 Open Error....585
Failure code [CA322] Inj #1 (L/B#1) Open/Short Error....586
Failure code [CA323] Inj #5 (L/B#5) Open/Short Error....588
Failure code [CA324] Inj #3 (L/B#3) Open/Short Error....590
Failure code [CA325] Inj #6 (L/B#6) Open/Short Error....592
Failure code [CA331] Inj #2 (L/B#2) Open/Short Error....594
Failure code [CA332] Inj #4 (L/B#4) Open/Short Error....596
Troubleshooting by failure code (Display of code), Part 2....599
Failure code [CA342] Calibration Code Incompatibility....601
Failure code [CA351] Injectors Drive Circuit Error....602
Failure code [CA352] Sens Supply 1 Volt Low Error....604
Failure code [CA386] Sens Supply 1 Volt High Error....606
Failure code [CA441] Battery Voltage Low Error....608
Failure code [CA442] Battery Voltage High Error....610
Failure code [CA449] Rail Press Very High Error....612
Failure code [CA451] Rail Press Sensor High Error....616
Failure code [CA452] Rail Press Sensor Low Error....618
Failure code [CA553] Rail Press High Error....620
Failure code [CA554] Rail Press Sensor In Range Error....621
Failure code [CA559] Rail Press Low Error....622
Failure code [CA689] Eng Ne Speed Sensor Error....626
Failure code [CA731] Eng Bkup Speed Sens Phase Error....628
Failure code [CA757] All Persistent Data Lost Error....629
Failure code [CA778] Eng Bkup Speed Sensor Error....630
Failure code [CA1228] EGR Valve Servo Error 1....632
Failure code [CA1625] EGR Valve Servo Error 2....633
Failure code [CA1633] KOMNET Datalink Timeout Error....634
Failure code [CA2185] Throt Sens Sup Volt High Error....636
Failure code [CA2186] Throt Sens Sup Volt Low Error....638
Failure code [CA2249] Rail Press Very Low Error....639
Failure code [CA2271] EGR Valve Lift Sens High Error....640
Failure code [CA2272] EGR Valve Lift Sens Low Error....642
Failure code [CA2351] EGR Valve Sol Current High Error....644
Failure code [CA2352] EGR Valve Sol Current Low Error....646
Failure code [CA2555] Grid Htr Relay Volt Low Error....648
Failure code [CA2556] Grid Htr Relay Volt High Error....650
Failure code [D110KB] Battery Relay Drive Short Circuit....652
Failure code [D196KA] Service Return Relay Open Circuit....654
Failure code [D196KB] Service Return Relay Short Circuit....656
Failure code [DA25KP] 5V Sensor 1 Power Abnormality....658
Failure code [DA80MA] Auto. Lub. Abnormal....660
Troubleshooting by failure code (Display of code), Part 3....663
Failure code [DA2RMC] Pump Comm. Abnormality....666
Failure code [DA2SKQ] Model Selection Abnormality....668
Failure code [DAFRMC] Monitor Comm. Abnormality....670
Failure code [DGH2KB] Hydr Oil Sensor Short Circuit....672
Failure code [DHPAMA] F Pump Press Sensor Abnormality....674
Failure code [DHPBMA] R Pump Press Sensor Abnormality....676
Failure code [DHS3MA] Arm Curl PPC Press Sensor Abnormality....678
Failure code [DHS4MA] Bucket Curl PPC Press Sensor Abnormality....680
Failure code [DW43KA] Travel Speed Sol. Open Circuit....682
Failure code [DW43KB] Travel Speed Sol. Short Circuit....684
Failure code [DW45KA] Swing Brake Sol. Open Circuit....686
Failure code [DW45KB] Swing Brake Sol. Short Circuit....690
Failure code [DW91KA] Travel Junction Sol. Open Circuit....692
Failure code [DW91KB] Travel Junction Sol. Short Circuit....694
Failure code [DWJ0KA] Merge-divider Sol. Open Circuit....696
Failure code [DWJ0KB] Merge-Divider Sol. Short Circuit....698
Failure code [DWK0KA] 2-stage Relief Sol. Open Circuit....700
Failure code [DWK0KB] 2-stage Relief Sol. Short Circuit....702
Failure code [DXA0KA] PC-EPC Sol. Open Circuit....704
Failure code [DXA0KB] PC-EPC Sol. Short Circuit....706
Failure code [DXE0KA] LS-EPC Sol. Open Circuit....708
Failure code [DXE0KB] LS-EPC Sol. Short Circuit....710
Failure code [DXE4KA] Service Current EPC Open Circuit....712
Failure code [DXE4KB] Service Current EPC Short Circuit....713
Failure code [DY20KA] Wiper Working Abnormality....714
Failure code [DY20MA] Wiper Parking Abnormality....716
Failure code [DY2CKB] Washer Drive Short Circuit....718
Failure code [DY2DKB] Wiper Drive (Fwd) Short Circuit....720
Failure code [DY2EKB] Wiper Drive (Rev) Short Circuit....722
Troubleshooting of electrical system (E-mode)....725
Before carrying out troubleshooting of electrical system....728
Information contained in troubleshooting table....730
E-1 Engine does not start....731
E-2 Auto-decelerator does not operate....734
E-3 Automatic warming-up does not operate....736
E-4 Preheater does not operate....738
E-5 All work equipment, swing, and travel mechanism do not move....740
E-6 Power maximizing function does not operate....742
E-7 Machine monitor does not display at all....744
E-8 Machine monitor does not display some items....746
E-9 Contents of display by machine monitor are different from applicable machine....746
E-10 Fuel level monitor was lighted in red while engine running....747
E-11 Engine coolant temperature gauge does not indicate normally....748
E-12 Hydraulic oil temperature gauge does not indicate normally....750
E-13 Fuel level gauge does not operate normally....751
E-14 Swing lock monitor does not indicate normally....752
E-15 When monitor switch is operated, monitor displays nothing....754
E-16 Windshield wiper does not operate....756
E-17 Machine push-up function does not operate normally....760
E-18 Monitoring function fails to display boom RAISE normally....762
E-19 Monitoring function fails to display boom LOWER normally....764
E-20 Monitoring function fails to display arm IN normally....766
E-21 Monitoring function fails to display arm OUT normally....768
E-22 Monitoring function fails to display bucket CURL normally....770
E-23 Monitoring function fails to display bucket DUMP normally....772
E-24 Monitoring function fails to display swing normally....774
E-25 Monitoring function fails to display travel normally....776
E-26 Monitoring function fails to display travel differential pressure normally....778
E-27 Monitoring function fails to display service normally....780
E-28 The KOMTRAX system does not operate normally....782
E-29 Air conditioner does not operate....784
E-30 Travel alarm does not sound or does not stop sounding....786
E-31 Horn does not sound....788
Troubleshooting of hydraulic and mechanical system (H-mode)....791
System chart for hydraulic and mechanical system....794
Information contained in troubleshooting table....796
H-1 All work equipment lack power, or travel and swing speeds are slow....798
H-2 Engine speed sharply drops or engine stalls....800
H-3 No work equipment, swing or travel move....801
H-4 Abnormal noise is heard from around hydraulic pump....801
H-5 Auto-decelerator does not work....802
H-6 Fine control mode does not function or responds slow....802
H-7 Boom moves slowly or lacks power....803
H-8 Arm moves slowly or lacks power....804
H-9 Bucket moves slowly or lacks power....805
H-10 Work equipment does not move in its single operation....805
H-11 Work equipment has a bit too fast hydraulic drift....806
H-12 Work equipment has big time lag....808
H-13 Other work equipment moves when relieving single circuit....808
H-14 Power max. switch does not operate....808
H-15 Machine push-up function does not operate....809
H-16 In compound operation of work equipment, speed of part loaded more is low....810
H-17 When machine swings and raises boom simultaneously, boom rising speed is low....810
H-18 When machine swings and travels simultaneously, travel speed lowers largely....810
H-19 Machine deviates during travel....811
H-20 Travel speed is low....812
H-21 Machine is not steered well or steering power is low....813
H-22 Travel speed does not change or travel speed is low or high....814
H-23 Travel system does not move (only one side)....815
H-24 Upper structure does not swing....816
H-25 Swing acceleration or swing speed is low....818
H-26 Upper structure overruns remarkably when it stops swinging....820
H-27 Large shock is made when upper structure stops swinging....821
H-28 Large sound is made when upper structure stops swinging....821
H-29 Hydraulic drift of swing is large....822
H-30 Attachment circuit is not changed....823
H-31 Oil flow in attachment circuit cannot be controlled....823
Troubleshooting of engine (S-mode)....825
Method of using troubleshooting chart....828
S-1 Starting performance is poor....832
S-2 Engine does not start....834
S-3 Engine does not pick up smoothly....838
S-4 Engine stops during operations....839
S-5 Engine does not rotate smoothly....840
S-6 Engine lacks output (or lacks power)....841
S-7 Exhaust smoke is black (incomplete combustion)....842
S-8 Oil consumption is excessive (or exhaust smoke is blue)....843
S-9 Oil becomes contaminated quickly....844
S-10 Fuel consumption is excessive....845
S-11 Oil is in coolant (or coolant spurts back or coolant level goes down)....846
S-12 Oil pressure drops....847
S-13 Oil level rises (Entry of coolant or fuel)....848
S-14 Coolant temperature becomes too high (overheating)....850
S-15 Abnormal noise is made....851
S-16 Vibration is excessive....852
50 Disassembly and assembly....0
General information on disassembly and assembly....855
How to read this manual....856
Coating materials list....858
Special tools list....861
Sketches of special tools....865
Engine and cooling system....871
Removal and installation of fuel supply pump assembly....872
Removal and installation of fuel injector assembly....876
Removal and installation of engine front seal....882
Removal and installation of engine rear seal....885
Removal and installation of cylinder head assembly....890
Removal and installation of radiator assembly....899
Removal and installation of hydraulic oil cooler assembly....901
Removal and installation of aftercooler assembly....903
Removal and installation of engine and hydraulic oil pump assembly....904
Power train....913
Removal and installation of travel motor and final drive assembly....914
Disassembly and assembly of final drive assembly....915
Removal and installation of swing motor and swing machinery assembly....923
Disassembly and assembly of swing machinery assembly....924
Removal and installation of swing circle assembly....931
Undercarriage and frame....933
Disassembly and assembly of carrier roller assembly....934
Disassembly and assembly of track roller assembly....936
Removal and installation of idler, recoil spring assembly....937
Disassembly and assembly of idler assembly....938
Disassembly and assembly of recoil spring assembly....941
Removal and installation of sprocket....943
Expansion and installation of track shoe assembly....944
Removal and installation of revolving frame assembly....946
Removal and installation of counterweight assembly....949
Hydraulic system....951
Removal and installation of center swivel joint assembly....952
Disassembly and assembly of center swivel joint assembly....954
Removal and installation of hydraulic tank assembly....955
Removal and installation of control valve assembly....957
Disassembly and assembly of control valve assembly....960
Removal and installation of hydraulic pump assembly....964
Removal and installation of oil seal in hydraulic pump input shaft....967
Disassembly and assembly of work equipment PPC valve assembly....968
Disassembly and assembly of travel PPC valve assembly....970
Disassembly and assembly of hydraulic cylinder assembly....973
Work equipment....981
Removal and installation of work equipment assembly....982
Cab and its attachments....987
Removal and installation of operators cab....988
Removal and installation of operators cab glass (stuck glass)....991
Removal and installation of front window assembly....1000
Electrical system....1007
Removal and installation of air conditioner unit assembly....1008
Removal and Installation of KOMTRAX terminal assembly....1010
Removal and installation of monitor assembly....1011
Removal and installation of pump controller....1012
90 Diagrams and drawings....0
Hydraulic diagrams and drawings....1015
Hydraulic circuit diagram....1017
Electrical diagrams and drawings....1020
Electrical circuit diagram....1022
Connector list and stereogram....1027
TEN00130-10 - Hydraulic Excavator PC400-7E0, PC400LC-7E0, PC450-7E0, PC450LC-7E0 Operation & Maintenance Manual....1030
COVER....1030
FOREWORD....1031
BEFORE READING THIS MANUAL....1032
SAFETY INFORMATION....1033
INTRODUCTION....1034
USE OF MACHINE....1034
DIRECTIONS OF MACHINE....1034
VISIBILITY FROM OPERATOR'S SEAT....1035
PRODUCT INFORMATION....1036
PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. PLATE....1036
EPA REGULATIONS, ENGINE NUMBER PLATE....1036
SERVICE METER LOCATION....1037
YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR....1037
CONTENTS....1038
SAFETY....1043
SAFETY....1044
SAFETY LABELS....1047
LOCATION OF SAFETY LABELS....1047
SAFETY LABELS....1048
GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTENANCE....1054
PRECAUTIONS BEFORE STARTING OPERATION....1054
PREPARATIONS FOR SAFE OPERATION....1054
FIRE PREVENTION....1056
PRECAUTIONS WHEN GETTING ON OR OFF MACHINE....1057
DO NOT GET CAUGHT IN WORK EQUIPMENT....1059
PRECAUTIONS RELATED TO PROTECTIVE STRUCTURES....1059
PROTECTION AGAINST FALLING, FLYING, INTRUDING OBJECTS....1059
UNAUTHORIZED MODIFICATION....1060
PRECAUTIONS RELATED TO ATTACHMENTS AND OPTIONS....1060
PRECAUTIONS RELATED TO CAB GLASS....1060
PRECAUTIONS WHEN RUNNING ENGINE INSIDE BUILDING....1060
PRECAUTIONS FOR OPERATION....1061
PRECAUTIONS FOR JOBSITE....1061
STARTING ENGINE....1063
OPERATION....1065
TRANSPORTATION....1073
TOWING....1074
LIFTING OBJECTS WITH BUCKET....1075
PRECAUTIONS FOR MAINTENANCE....1076
PRECAUTIONS BEFORE STARTING INSPECTION AND MAINTENANCE....1076
PRECAUTIONS FOR INSPECTION AND MAINTENANCE....1080
OPERATION....1087
MACHINE VIEW ILLUSTRATIONS....1088
OVERALL MACHINE VIEW....1088
CONTROLS AND GAUGES....1089
DETAILED CONTROLS AND GAUGES....1091
MONITORING SYSTEM....1091
SWITCHES....1120
CONTROL LEVERS AND PEDALS....1125
SUN ROOF....1128
WINDSHIELD....1128
EMERGENCY EXIT FROM OPERATOR'S CAB....1133
DOOR LOCK....1133
CAP WITH LOCK....1134
HOT AND COOL BOX....1135
MAGAZINE BOX....1136
ASHTRAY....1136
AIR CONDITIONER CONTROLS....1137
RADIO....1151
AUXILIARY ELECTRIC POWER....1156
FUSE....1157
FUSIBLE LINK....1158
CONTROLLER....1158
TOOL BOX....1159
GREASE PUMP HOLDER....1159
MACHINE OPERATIONS AND CONTROLS....1160
BEFORE STARTING ENGINE....1160
STARTING ENGINE....1177
AFTER STARTING ENGINE....1180
STOPPING THE ENGINE....1191
MACHINE OPERATION....1192
STEERING THE MACHINE....1196
SWINGING....1198
WORK EQUIPMENT CONTROLS AND OPERATIONS....1199
WORKING MODE....1201
PROHIBITED OPERATIONS....1202
GENERAL OPERATION INFORMATION....1207
TRAVELING ON SLOPES....1208
ESCAPE FROM MUD....1210
RECOMMENDED APPLICATIONS....1211
BUCKET REPLACEMENT AND INVERSION....1213
PARKING MACHINE....1217
MACHINE INSPECTION AFTER DAILY WORK....1218
LOCKING....1219
TRANSPORTATION....1220
TRANSPORTATION PROCEDURE....1220
LOADING AND UNLOADING WITH TRAILER....1221
LIFTING MACHINE....1230
TRANSPORTATION POSTURE....1232
PROCEDURE FOR INCREASING OR REDUCING TRACK FRAME GAUGE....1235
COLD WEATHER OPERATION....1237
COLD WEATHER OPERATION INFORMATION....1237
AFTER DAILY WORK COMPLETION....1240
AFTER COLD WEATHER SEASON....1240
LONG TERM STORAGE....1241
BEFORE STORAGE....1241
DURING STORAGE....1241
AFTER STORAGE....1242
STARTING MACHINE AFTER LONG-TERM STORAGE....1242
TROUBLES AND ACTIONS....1243
RUNNING OUT OF FUEL....1243
PHENOMENA THAT ARE NOT FAILURES....1244
TOWING THE MACHINE....1245
LIGHTWEIGHT TOWING HOLE....1246
SEVERE JOB CONDITION....1246
DISCHARGED BATTERY....1247
OTHER TROUBLE....1251
MAINTENANCE....1257
MAINTENANCE INFORMATION....1258
OUTLINE OF SERVICE....1260
HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC....1260
ELECTRIC SYSTEM MAINTENANCE....1263
WEAR PARTS....1264
WEAR PARTS LIST....1264
RECOMMENDED FUEL, COOLANT, AND LUBRICANT....1265
RECOMMENDED BRANDS, RECOMMENDED QUALITY FOR PRODUCTS OTHER THAN KOMATSU GENUINE OIL....1267
TIGHTENING TORQUE SPECIFICATIONS....1268
TIGHTENING TORQUE LIST....1268
SAFETY CRITICAL PARTS....1269
SAFETY CRITICAL PARTS LIST....1270
MAINTENANCE SCHEDULE....1271
MAINTENANCE SCHEDULE CHART....1271
MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER....1273
MAINTENANCE PROCEDURE....1274
INITIAL 1000 HOURS MAINTENANCE (ONLY AFTER THE FIRST 1000 HOURS)....1274
WHEN REQUIRED....1275
CHECK BEFORE STARTING....1303
EVERY 50 HOURS MAINTENANCE....1304
EVERY 250 HOURS MAINTENANCE....1305
EVERY 500 HOURS MAINTENANCE....1312
EVERY 1000 HOURS MAINTENANCE....1323
EVERY 2000 HOURS MAINTENANCE....1331
EVERY 4000 HOURS MAINTENANCE....1338
EVERY 5000 HOURS MAINTENANCE....1340
EVERY 8000 HOURS MAINTENANCE....1342
SPECIFICATIONS....1343
SPECIFICATIONS....1344
ATTACHMENTS, OPTIONS....1347
GENERAL PRECAUTIONS FOR SAFETY....1348
PRECAUTIONS WHEN SELECTING....1348
READ THE INSTRUCTION MANUAL THOROUGHLY....1348
PRECAUTIONS WHEN REMOVING OR INSTALLING....1348
PRECAUTIONS WHEN USING....1348
BUCKET WITH HOOK....1349
HOOK CONDITION....1349
PROHIBITED OPERATIONS....1349
MACHINE READY FOR ATTACHMENT....1350
LOCATIONS....1350
HYDRAULIC CIRCUIT....1354
ATTACHMENT REMOVAL AND INSTALLATION....1359
ATTACHMENT OPERATIONS....1363
LONG TERM STORAGE....1364
SPECIFICATIONS....1364
ATTACHMENT GUIDE....1365
ATTACHMENT COMBINATIONS....1365
TRACK SHOES SELECTION....1367
RECOMMENDED ATTACHMENT OPERATIONS....1368
HYDRAULIC BREAKER....1368
HANDLING MACHINES EQUIPPED WITH KOMTRAX....1372
BASIC PRECAUTIONS....1372
LOADING SHOVEL....1373
EXPLANATION OF COMPONENTS....1374
SWITCHES....1374
OPERATIONS....1376
OPERATION OF WORK EQUIPMENT....1376
PRECAUTIONS DURING OPERATION....1378
EXCAVATOR WORK....1382
PRECAUTIONS WHEN DISASSEMBLING MACHINE....1383
RELEASING PRESSURE....1383
TRANSPORTATION....1384
MACHINE CONFIGURATION FOR TRANSPORT....1384
MAINTENANCE....1388
CHECK BEFORE STARTING....1388
EVERY 10 HOURS MAINTENANCE....1390
SPECIFICATION....1391
COMBINATION OF WORK EQUIPMENT....1393
COMBINATION OF WORK EQUIPMENT....1393
INDEX....1395
