Complete service repair manual with Electrical Wiring Diagrams for Komatsu Hydraulic Excavator PC228US-3E0, PC228USLC-3E0, with all the technical information to maintain, diagnose, repair, and rebuild like professional mechanics.
Komatsu Hydraulic Excavator PC228US-3E0, PC228USLC-3E0 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: 1,121 pages
File Format: PDF
Language: English
SEN01418-10 – Hydraulic Excavator PC228US-3E0, PC228USLC-3E0 Shop Manual.pdf
TEN00161-04 – Hydraulic Excavator GALEO PC228US-3E0, PC228USLC-3E0 Operation & Maintenance Manual.pdf
MAIN SECTIONS
SEN01418-10 – Hydraulic Excavator PC228US-3E0, PC228USLC-3E0 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
Working range diagram….59
Specifications….60
Weight table….62
Table of fuel, coolant and lubricants….64
10 Structure, function and maintenance standard….0
Engine and cooling system….68
Engine related parts….68
Radiator, oil cooler, aftercooler and fuel cooler….69
Power train….71
Power train….72
Final drive….73
Swing machinery….75
Swing circle….77
Undercarriage and frame….79
Track frame….80
Idler….82
Carrier roller….84
Track roller….85
Track shoe….86
Hydraulic system, Part 1….92
Hydraulic equipment layout drawing….93
Hydraulic tank….95
Hydraulic pump….96
Hydraulic system, Part 2….119
Control valve….120
CLSS….132
Functions and operation by valve….136
Merge-divider valve….151
Attachment circuit selector valve….174
Hydraulic drift prevention valve….176
Hydraulic system, Part 3….183
Valve control….184
PPC valve….186
PPC Accumulator….204
Return oil filter….205
Center swivel joint….206
Travel motor….207
Swing motor….217
Hydraulic cylinder….226
Work equipment….229
Dimensions of components….232
Cab and its attachments….237
Air conditioner piping….238
Electrical system….240
Engine control….241
Electrical control system….251
Monitor system….277
Sensor….295
KOMTRAX system….298
20 Standard value table….0
Standard service value table….302
Standard value table for engine related parts….303
Standard value table for chassis….304
30 Testing and adjusting….0
Testing and adjusting, Part 1….316
Tools for testing, adjusting, and troubleshooting….318
Sketches of special tools….323
Testing engine speed….324
Testing intake air pressure (boost pressure)….325
Checking exhaust gas color….326
Adjusting valve clearance….327
Testing compression pressure….329
Testing blow-by pressure….332
Testing engine oil pressure….333
Handling fuel system parts….334
Releasing residual pressure from fuel system….334
Testing fuel pressure….335
Reduced cylinder mode operation….338
No-injection cranking….338
Testing fuel delivery, return rate and leakage….339
Bleeding air from fuel circuit….342
Checking fuel circuit for leakage….343
Checking and adjusting air conditioner compressor belt tension….344
Replacement of fan belt….345
Testing and adjusting, Part 2….348
Testing clearance in swing circle bearings….349
Checking and adjusting track shoe tension….350
Testing and adjusting hydraulic oil pressure in hydraulic circuit for work equipment, swing and travel….351
Testing control circuit oil pressure….355
Testing and adjusting pump PC control circuit oil pressure….356
Testing and adjusting pump LS control circuit oil pressure….359
Testing solenoid valve output pressure….364
Testing PPC valve output pressure….367
Adjusting play of work equipment and swing PPC valves….368
Inspection of locations of hydraulic drift of work equipment….369
Release of residual pressure from hydraulic circuit….371
Testing oil leakage….372
Bleeding air from each part….375
Procedure for replacing boom angle potentiometer….377
Inspection procedures for diode….378
Adjusting mirrors….379
Testing and adjusting, Part 3….382
Special functions of machine monitor….383
Handling voltage circuit of engine controller….411
Starting KOMTRAX terminal operations….412
Indicator lamps of KOMTRAX terminal….416
Preparation work for troubleshooting of electrical system….419
Pm-clinic service….421
40 Troubleshooting….0
Failure code table and fuse locations….428
Failure code table….429
Fuse locations….432
General information on troubleshooting….436
Points to remember when troubleshooting….437
Sequence of events in troubleshooting….438
Checks before troubleshooting….439
Classification and troubleshooting steps….440
Information in troubleshooting table….441
Possible problems and troubleshooting No….443
Connection table for connector pin numbers….446
T- branch box and T- branch adapter table….482
Troubleshooting by failure code (Display of code), Part 1….486
Failure code [AA10NX] Air cleaner Clogging….488
Failure code [AB00KE] Charge Voltage Low….489
Failure code [B@BAZG] Eng Oil Press Low….491
Failure code [B@BAZK] Eng Oil Level Low….492
Failure code [B@BCNS] Eng Water Overheat….493
Failure code [B@BCZK] Eng Water Level Low….494
Failure code [B@HANS] Hyd Oil Overheat….495
Failure code [CA111] EMC Critical Internal Failure….495
Failure code [CA115] Eng Ne and Bkup Speed Sens Error….496
Failure code [CA122] Chg Air Press Sensor High Error….497
Failure code [CA123] Chg Air Press Sensor Low Error….499
Failure code [CA131] Throttle Sensor High Error….501
Failure code [CA132] Throttle Sensor Low Error….503
Failure code [CA144] Coolant Temp Sens High Error….505
Failure code [CA145] Coolant Temp Sens Low Error….507
Failure code [CA153] Chg Air Temp Sensor High Error….509
Failure code [CA154] Chg Air Temp Sensor Low Error….511
Failure code [CA155] Chg Air Temp High Speed Derate….513
Failure code [CA187] Sens Supply 2 Volt Low Error….515
Failure code [CA221] Ambient Press Sens High Error….517
Failure code [CA222] Ambient Press Sens Low Error….519
Failure code [CA227] Sens Supply 2 Volt High Error….521
Failure code [CA234] Eng. Overspeed….522
Failure code [CA238] Ne Speed Sens Supply Volt Error….523
Failure code [CA271] IMV/PCV1 Short Error….524
Failure code [CA272] IMV/PCV1 Open Error….525
Failure code [CA322] Inj #1 (L#1) Open/Short Error….527
Failure code [CA323] Inj #5 (L#5) Open/Short Error….529
Failure code [CA324] Inj #3 (L#3) Open/Short Error….531
Failure code [CA325] Inj #6 (L#6) Open/Short Error….533
Failure code [CA331] Inj #2 (L#2) Open/Short Error….535
Failure code [CA332] Inj #4 (L#4) Open/Short Error….537
Troubleshooting by failure code (Display of code), Part 2….540
Failure code [CA342] Calibration Code Incompatibility….542
Failure code [CA351] Injectors Drive Circuit Error….543
Failure code [CA352] Sens Supply 1 Volt Low Error….545
Failure code [CA386] Sens Supply 1 Volt High Error….547
Failure code [CA428] Water in Fuel Sensor High Error….549
Failure code [CA429] Water in Fuel Sensor Low Error….551
Failure code [CA435] Eng Oil Press Sw Error….553
Failure code [CA441] Battery Voltage Low Error….554
Failure code [CA442] Battery Voltage High Error….557
Failure code [CA449] Rail Press Very High Error….559
Failure code [CA451] Rail Press Sensor High Error….561
Failure code [CA452] Rail Press Sensor Low Error….563
Failure code [CA488] Chg Air Temp High Torque Derate….565
Failure code [CA553] Rail Press High Error….565
Failure code [CA559] Rail Press Low Error….566
Failure code [CA689] Eng Ne Speed Sensor Error….568
Failure code [CA731] Eng Bkup Speed Sens Phase Error….570
Failure code [CA757] All Continuous Data Lost Error….571
Failure code [CA778] Eng Bkup Speed Sensor Error….573
Failure code [CA1633] KOMNET Datalink Timeout Error….575
Failure code [CA2185] Throt Sens Sup Volt High Error….577
Failure code [CA2186] Throt Sens Sup Volt Low Error….578
Failure code [CA2249] Rail Press Very Low Error….579
Failure code [CA2311] IMV Solenoid Error….581
Failure code [CA2555] Grid Htr Relay Volt High Error….583
Failure code [CA2556] Grid Htr Relay Volt Low Error….585
Troubleshooting by failure code (Display of code), Part 3….588
Failure code [D110KB] Battery Relay Drive Short Circuit….589
Failure code [D196KA] Service Return Relay Disc….591
Failure code [D196KB] Service Return Relay S/C….593
Failure code [DA22KK] Pump Solenoid Power Low Error….595
Failure code [DA25KP] 5V Sensor 1 Power Abnormality….597
Failure code [DA2RMC] CAN Discon (Pump Con Detected)….599
Failure code [DA2SKQ] Model Selection Abnormality….601
Failure code [DAFRMC] CAN Discon (Monitor Detected)….603
Failure code [DGH2KB] Hyd Oil Sensor Short….605
Failure code [DHPAMA] F Pump Press Sensor Abnormality….607
Failure code [DHPBMA] R Pump Press Sensor Abnormality….609
Failure code [DHSAMA] Sw RH PPC Press Sen. Abnormality….611
Failure code [DHSBMA] Sw LH PPC Press Sen. Abnormality….613
Troubleshooting by failure code (Display of code), Part 4….616
Failure code [DW43KA] Travel Speed Sol Open Circuit….619
Failure code [DW43KB] Travel Speed Sol Short Circuit….621
Failure code [DW45KA] Swing Brake Sol Open Circuit….623
Failure code [DW45KB] Swing Brake Sol Short Circuit….627
Failure code [DW91KA] Travel Junction Sol Open Circuit….629
Failure code [DW91KB] Travel Junction Sol Short Circuit….631
Failure code [DW4GKA] Boom Slow Down Sol. Disc….633
Failure code [DW4GKB] Boom Slow Down Sol. S/C….635
Failure code [DWJ0KA] Merge-divider Sol Open Circuit….637
Failure code [DWJ0KB] Merge-divider Sol Short Circuit….639
Failure code [DWK0KA] 2-stage Relief Sol Open Circuit….641
Failure code [DWK0KB] 2-stage Relief Sol Short Circuit….643
Failure code [DXA0KA] PC-EPC Sol Open Circuit….645
Failure code [DXA0KB] PC-EPC Sol Short Circuit….647
Failure code [DXE0KA] LS-EPC Sol Open Circuit….649
Failure code [DXE0KB] LS-EPC Sol Short Circuit….651
Failure code [DXE4KA] Service Current EPC Open Circuit….653
Failure code [DXE4KB] Service Current EPC Short Circuit….654
Failure code [DY20KA] Wiper Working Abnormality….655
Failure code [DY20MA] Wiper Parking Abnormality….657
Failure code [DY2CKB] Washer Drive Short Circuit….659
Failure code [DY2DKB] Wiper Drive (Fwd) Short Circuit….661
Failure code [DY2EKB] Wiper Drive (Rev) Short Circuit….663
Troubleshooting of electrical system (E-mode)….666
Before carrying out troubleshooting of electrical system….668
Information contained in troubleshooting table….670
E-1 Engine does not start….671
E-2 Auto-decelerator does not operate….674
E-3 Automatic warming-up system does not operate….676
E-4 Preheater does not operate….677
E-5 All work equipment, swing, and travel mechanism do not move….679
E-6 Power maximizing function does not operate….681
E-7 Machine monitor does not display at all….683
E-8 Machine monitor does not display some items….685
E-9 Contents of display by machine monitor are different from applicable machine….685
E-10 Fuel level monitor was lighted in red while engine running….686
E-11 Engine coolant temperature gauge does not indicate normally….687
E-12 Hydraulic oil temperature gauge does not indicate normally….689
E-13 Fuel level gauge does not indicate normally….690
E-14 Swing lock monitor does not indicate normally….691
E-15 When monitor switch is operated, monitor displays nothing….693
E-16 Windshield wiper and window washer do not operate….695
E-17 Monitoring function fails to display “boom raise” normally….699
E-18 Monitoring function fails to display “boom lower” normally….700
E-19 Monitoring function fails to display “arm IN” normally….701
E-20 Monitoring function fails to display “arm OUT” normally….702
E-21 Monitoring function fails to display “bucket CURL” normally….703
E-22 Monitoring function fails to display “bucket DUMP” normally….704
E-23 Monitoring function fails to display “swing left” normally….705
E-24 Monitoring function fails to display “swing right” normally….707
E-25 Monitoring function fails to display “travel” normally….709
E-26 Monitoring function fails to display “travel differential pressure” normally….711
E-27 Monitoring function fails to display “service” normally….713
E-28 The KOMTRAX system does not work properly….715
E-29 Air conditioner does not operate….717
E-30 Travel alarm does not sound or does not stop sounding….719
E-31 Horn does not sound….721
E-32 Attachment circuit does not change….723
Troubleshooting of hydraulic and mechanical system (H-mode)….726
System chart for hydraulic and mechanical systems….729
Information contained in troubleshooting table….731
H-1 All work equipment lack power, or travel and swing speeds are slow….732
H-2 Engine speed sharply drops or engine stalls….734
H-3 No work equipment, travel or swing move….735
H-4 Abnormal noise is heard from around hydraulic pump….735
H-5 Auto-decelerator does not work….736
H-6 Fine control mode does not function….736
H-7 Boom moves slowly or lacks power….737
H-8 Arm moves slowly or lacks power….738
H-9 Bucket moves slowly or lacks power….739
H-10 Work equipment does not move in its single operation….739
H-11 Work equipment has a bit too large hydraulic drift….740
H-12 Work equipment has big time lag….741
H-13 Other work equipment moves when relieving single circuit….741
H-14 One-touch power max. switch does not operate….741
H-15 In compound operation, work equipment with larger load moves slowly….742
H-16 In swing + boom RAISE operation, boom moves slowly….742
H-17 In swing + travel, travel speed drops sharply….742
H-18 Machine swerves in travel….743
H-19 Machine travels slowly….744
H-20 Machine cannot be easily steered or lacks power….745
H-21 Travel speed does not shift, or it is slower or faster than preset speed….746
H-22 Track shoe does not turn (on one side only)….746
H-23 Machine does not swing….747
H-24 Swing acceleration is poor, or swing speed is slow….749
H-25 Excessive overrun when stopping swing….751
H-26 There is big shock when stopping swing….752
H-27 There is big abnormal noise caused when stopping swing….752
H-28 Swing natural drift is too big….753
H-29 Attachment circuit does not change….754
H-30 Flow rate in attachment circuit cannot be adjusted….754
Troubleshooting of engine (S-mode)….756
Method of using troubleshooting chart….758
S-1 Starting performance is poor….761
S-2 Engine does not start….762
S-3 Engine does not pick up smoothly….765
S-4 Engine stops during operations….766
S-5 Engine does not rotate smoothly….767
S-6 Engine lack output (or lacks power)….768
S-7 Exhaust smoke is black (incomplete combustion)….769
S-8 Oil consumption is excessive (or exhaust smoke is blue)….770
S-9 Oil becomes contaminated quickly….771
S-10 Fuel consumption is excessive….772
S-11 Oil is in coolant (or coolant spurts back or coolant level goes down)….773
S-12 Oil pressure drops….774
S-13 Oil level rises (Entry of coolant/fuel)….775
S-14 Coolant temperature becomes too high (overheating)….776
S-15 Abnormal noise is made….777
S-16 Vibration is excessive….778
50 Disassembly and assembly….0
General information on disassembly and assembly….780
How to read this manual….781
Coating materials list….783
Special tools list….786
Sketches of special tools….789
Engine and cooling system….794
Removal and installation of fuel supply pump assembly….795
Removal and installation of fuel injector assembly….798
Removal and installation of engine front seal….804
Removal and installation of engine rear seal….806
Removal and installation of cylinder head assembly….809
Removal and installation of radiator assembly….822
Removal and installation of hydraulic oil cooler assembly….825
Removal and installation of aftercooler assembly….827
Removal and installation of fuel cooler assembly….829
Removal and installation of engine assembly….831
Removal and installation of fuel tank assembly….833
Power train….836
Removal and installation of travel motor and final drive assembly….837
Disassembly and assembly of final drive assembly….838
Removal and installation of swing machinery assembly….846
Disassembly and assembly of swing machinery assembly….848
Removal and installation of swing circle assembly….856
Undercarriage and frame….858
Disassembly and assembly of track roller assembly….859
Disassembly and assembly of idler assembly….860
Disassembly and assembly of recoil spring….863
Expansion and installation of track shoe assembly….865
Removal and installation of revolving frame….867
Removal and installation of counterweight assembly….869
Removal and installation of maintenance counterweight (at rear of engine)….870
Removal and installation of maintenance counterweight assembly (above pump)….871
Hydraulic system….874
Removal and installation of center swivel joint assembly….875
Disassembly and assembly of center swivel joint….877
Removal and installation of hydraulic tank assembly….878
Removal and installation of work equipment pump….880
Removal and installation of control valve assembly….884
Disassembly and assembly of control valve assembly….886
Disassembly and assembly of work equipment PPC valve assembly….888
Disassembly and assembly of travel PPC valve assembly….890
Disassembly and assembly of hydraulic cylinder assembly….893
Work equipment….900
Removal and installation of work equipment assembly….901
Cab and its attachments….906
Removal and installation of operator’s cab assembly….907
Removal and installation of operator’s cab glass (Stuck glass)….909
Removal and installation of front window assembly….918
Removal and installation of floor frame assembly….919
Electrical system….924
Removal and installation of air conditioner compressor assembly….925
Removal and installation of air conditioner condenser assembly….927
Removal and installation of air conditioner unit assembly….928
Removal and installation of machine monitor assembly….930
Removal and installation of pump controller assembly….931
Removal and installation of engine controller assembly….932
Removal and installation of KOMTRAX communication modem assembly….934
90 Diagrams and drawings….0
Hydraulic diagrams and drawings….936
Hydraulic circuit diagram….938
Electrical diagrams and drawings….941
Electrical circuit diagram….943
Connector list and stereogram….950
TEN00161-04 – Hydraulic Excavator GALEO PC228US-3E0, PC228USLC-3E0 Operation & Maintenance Manual….953
COVER….953
FOREWORD….954
BEFORE READING THIS MANUAL….955
SAFETY INFORMATION….956
INTRODUCTION….957
USE OF MACHINE….957
DIRECTIONS OF MACHINE….957
PRODUCT INFORMATION….958
PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. PLATE….958
EPA REGULATIONS, ENGINE NUMBER PLATE….958
SERVICE METER LOCATION….959
YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR….959
CONTENTS….960
SAFETY….964
SAFETY….965
SAFETY LABELS….968
LOCATION OF SAFETY LABELS….968
SAFETY LABELS….969
GENERAL PRECAUTIONS COMMON TO OPERATION AND MAINTENANCE….975
PRECAUTIONS BEFORE STARTING OPERATION….975
PREPARATIONS FOR SAFE OPERATION….975
FIRE PREVENTION….977
PRECAUTIONS WHEN GETTING ON OR OFF MACHINE….978
DO NOT GET CAUGHT IN WORK EQUIPMENT….980
PRECAUTIONS RELATED TO PROTECTIVE STRUCTURES….980
PROTECTION AGAINST FALLING, FLYING, INTRUDING OBJECTS….980
UNAUTHORIZED MODIFICATION….981
PRECAUTIONS RELATED TO ATTACHMENTS AND OPTIONS….981
PRECAUTIONS RELATED TO CAB GLASS….981
PRECAUTIONS WHEN RUNNING ENGINE INSIDE BUILDING….981
PRECAUTIONS FOR OPERATION….982
PRECAUTIONS FOR JOBSITE….982
STARTING ENGINE….984
OPERATION….986
TRANSPORTATION….994
TOWING….995
LIFTING OBJECTS WITH BUCKET….996
PRECAUTIONS FOR MAINTENANCE….997
PRECAUTIONS BEFORE STARTING INSPECTION AND MAINTENANCE….997
PRECAUTIONS FOR INSPECTION AND MAINTENANCE….1001
OPERATION….1008
MACHINE VIEW ILLUSTRATIONS….1009
OVERALL MACHINE VIEW….1009
CONTROLS AND GAUGES….1010
DETAILED CONTROLS AND GAUGES….1012
MONITORING SYSTEM….1012
SWITCHES….1043
CONTROL LEVERS AND PEDALS….1048
SUN ROOF….1051
WINDSHIELD….1051
SLIDING DOOR….1057
EMERGENCY ESCAPE HAMMER….1058
CAP WITH LOCK….1059
HOT AND COOL BOX….1060
MAGAZINE BOX….1060
ASHTRAY….1061
AIR CONDITIONER CONTROLS….1062
AUTO AIR CONDITIONER CONTROLS….1066
RADIO….1068
AUXILIARY ELECTRIC POWER….1073
FUSE….1074
FUSIBLE LINK….1075
CONTROLLER….1075
TOOL BOX….1075
GREASE PUMP HOLDER….1076
MACHINE OPERATIONS AND CONTROLS….1077
BEFORE STARTING ENGINE….1077
STARTING ENGINE….1095
AFTER STARTING ENGINE….1098
STOPPING THE ENGINE….1109
MACHINE OPERATION….1110
STEERING THE MACHINE….1114
SWINGING….1116
WORK EQUIPMENT CONTROLS AND OPERATIONS….1117
WORKING MODE….1119
PROHIBITED OPERATIONS….1120
GENERAL OPERATION INFORMATION….1123
TRAVELING ON SLOPES….1124
ESCAPE FROM MUD….1126
RECOMMENDED APPLICATIONS….1127
BUCKET REPLACEMENT AND INVERSION….1129
PARKING MACHINE….1133
MACHINE INSPECTION AFTER DAILY WORK….1134
LOCKING….1135
TRANSPORTATION….1136
TRANSPORTATION PROCEDURE….1136
LOADING AND UNLOADING WITH TRAILER….1137
LIFTING MACHINE….1146
COLD WEATHER OPERATION….1148
COLD WEATHER OPERATION INFORMATION….1148
AFTER DAILY WORK COMPLETION….1151
AFTER COLD WEATHER SEASON….1151
LONG TERM STORAGE….1152
BEFORE STORAGE….1152
DURING STORAGE….1152
AFTER STORAGE….1153
STARTING MACHINE AFTER LONG-TERM STORAGE….1153
TROUBLES AND ACTIONS….1154
RUNNING OUT OF FUEL….1154
PHENOMENA THAT ARE NOT FAILURES….1154
TOWING THE MACHINE….1155
LIGHTWEIGHT TOWING HOLE….1156
SEVERE JOB CONDITION….1156
DISCHARGED BATTERY….1157
OTHER TROUBLE….1161
MAINTENANCE….1168
MAINTENANCE INFORMATION….1169
OUTLINE OF SERVICE….1171
HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC….1171
ELECTRIC SYSTEM MAINTENANCE….1174
WEAR PARTS….1175
WEAR PARTS LIST….1175
RECOMMENDED FUEL, COOLANT, AND LUBRICANT….1176
RECOMMENDED BRANDS, RECOMMENDED QUALITY FOR PRODUCTS OTHER THAN KOMATSU GENUINE OIL….1178
TIGHTENING TORQUE SPECIFICATIONS….1179
TIGHTENING TORQUE LIST….1179
SAFETY CRITICAL PARTS….1180
SAFETY CRITICAL PARTS LIST….1181
MAINTENANCE SCHEDULE….1182
MAINTENANCE SCHEDULE CHART….1182
MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER….1184
MAINTENANCE PROCEDURE….1185
INITIAL 250 HOURS MAINTENANCE (ONLY AFTER THE FIRST 250 HOURS)….1185
INITIAL 500 HOURS MAINTENANCE (ONLY AFTER THE FIRST 500 HOURS)….1185
WHEN REQUIRED….1186
CHECK BEFORE STARTING….1213
EVERY 100 HOURS MAINTENANCE….1214
EVERY 250 HOURS MAINTENANCE….1215
EVERY 500 HOURS MAINTENANCE….1218
EVERY 1000 HOURS MAINTENANCE….1231
EVERY 2000 HOURS MAINTENANCE….1237
EVERY 4000 HOURS MAINTENANCE….1244
EVERY 5000 HOURS MAINTENANCE….1247
EVERY 8000 HOURS MAINTENANCE….1249
SPECIFICATIONS….1250
SPECIFICATIONS….1251
ATTACHMENTS, OPTIONS….1254
GENERAL PRECAUTIONS FOR SAFETY….1255
PRECAUTIONS WHEN SELECTING….1255
READ THE INSTRUCTION MANUAL THOROUGHLY….1255
PRECAUTIONS WHEN REMOVING OR INSTALLING….1255
PRECAUTIONS WHEN USING….1255
BUCKET WITH HOOK….1256
HOOK CONDITION….1256
PROHIBITED OPERATIONS….1256
MACHINE READY FOR ATTACHMENT….1257
LOCATIONS….1257
HYDRAULIC CIRCUIT….1261
ATTACHMENT REMOVAL AND INSTALLATION….1268
ATTACHMENT OPERATIONS….1272
LONG TERM STORAGE….1273
SPECIFICATIONS….1273
ATTACHMENT GUIDE….1274
ATTACHMENT COMBINATIONS….1274
TRACK SHOES SELECTION….1275
BUCKET TEETH SELECTION….1276
RECOMMENDED ATTACHMENT OPERATIONS….1277
HYDRAULIC BREAKER….1277
BLADE….1281
DETAILED CONTROLS….1281
BLADE CONTROL AND OPERATION….1281
PROHIBITED OPERATIONS….1282
GENERAL OPERATION INFORMATION….1282
EVERY 100 HOURS MAINTENANCE….1283
HANDLING MACHINES EQUIPPED WITH KOMTRAX….1284
BASIC PRECAUTIONS….1284
INDEX….1286
Komatsu Hydraulic Excavator PC228US-3E0, PC228USLC-3E0 Repair Service Manuals