Komatsu HYDRAULIC EXCAVATOR PC290LCi-11 Shop Manual SEN06881-06 PDF

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Komatsu HYDRAULIC EXCAVATOR PC290LCi-11 Shop Manual SEN06881-06 – PDF DOWNLOAD

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Komatsu HYDRAULIC EXCAVATOR PC290LCi-11 Shop Manual SEN06881-06 – PDF DOWNLOAD

Language : English
Pages :4028
Downloadable : Yes
File Type : PDF

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DESCRIPTION:

Komatsu HYDRAULIC EXCAVATOR PC290LCi-11 Shop Manual SEN06881-06 – PDF DOWNLOAD

SERIAL NUMBERS 35180 and up

TABLE OF CONTENTS:

Komatsu HYDRAULIC EXCAVATOR PC290LCi-11 Shop Manual SEN06881-06 – PDF DOWNLOAD

SERIAL NUMBERS 35180 and up

Cover 1
00 Index and Foreword 3
Index 4
Abbreviation List 25
Foreword, Safety, Basic Information 28
How to Read the Shop Manual 28
Safety Notice for Operation 30
Precautions to Prevent Fire 38
Procedures If Fire Occurs 40
Precautions When You Discard Waste Materials 41
Procedures for Exhaust Gas Regulations 42
Precautions for DEF 43
General Character and Precautions for Handling 43
Precautions When You Add 43
Precautions for Storage 43
Precautions for Fire Hazard and Leakage 43
Other Precautions 43
Store DEF 44
Precautions When You Handle Hydraulic Equipment 45
Precautions When You Disconnect and Connect Pipings 48
Precautions When You Handle Electrical Equipment 55
Precautions When You Handle Fuel System Equipment 57
Precautions When You Handle Intake System Equipment 58
Practical Use of KOMTRAX 59
Disconnect and Connect Push-Pull Type Coupler 60
How to Disconnect and Connect Type 1 Push-Pull Type Coupler 60
How to Disconnect and Connect Type 2 Push-Pull Type Coupler 61
How to Disconnect and Connect Type 3 Push-Pull Type Coupler 62
Precautions for Disconnection and Connection of Connectors 64
Disconnect and Connect Deutsch Connector 68
How to Disconnect and Connect Slide Lock Type Connector 69
Disconnect and Connect Connector with Lock to Pull 71
Disconnect and Connect Connector with Lock to Push 72
Disconnect and Connect Connector with Housing to Rotate 74
How to Read the Codes for Electric Cable 75
Explanation of Terms for Maintenance Standard 79
Standard Tightening Torque Table 82
Conversion Table 89
01 Specification 95
Table of Contents 96
Specifications 97
Specification Drawing 97
Specification Drawing: PC290LCI-11 97
Working Range Drawings 99
Working Range: PC290LCI-11 99
Specifications 100
Specifications: PC290LCI-11 100
Weight Table 103
Weight Table: PC290LCI-11 103
Table of Fuel, Coolant, and Lubricants 105
10 Structure and Function 107
Table of Contents 108
Urea SCR System 112
Layout Drawing of Urea SCR System 113
Urea SCR System Diagram 118
Function of Urea SCR System 119
Function of DEF System 119
Inducement Strategy 121
Component Parts of Urea SCR System 129
DEF Mixing Tube 129
SCR Assembly 129
DEF Tank 132
DEF Pump 134
DEF Injector 135
DEF Hose 136
DEF Tank Heating Valve 137
Boot-up System 138
Layout Drawing of Boot-up System 138
System Operating Lamp System 140
System Diagram of System Operating Lamp System 140
Function of Operation Lamp System 140
Battery Disconnect Switch 142
Function of Battery Disconnect Switch 142
Engine System 143
Layout Drawing of Engine System 143
Specifications of Engine System 144
Function of Engine System 144
Engine Control System 145
System Diagram of Engine Control 145
Function of Engine Control System 146
Auto-Deceleration System 148
System Diagram of Auto-Deceleration System 148
Function of Auto-Deceleration System 148
Operation of Auto-Deceleration System 149
Engine Automatic Warm-up System 150
System Diagram of Engine Automatic Warm-up System 150
Function of Engine Automatic Warm-up System 151
Overheat Prevention System 152
Overheat Prevention System Diagram 152
Function of Overheat Prevention System 153
Turbocharger Protection System 155
System Diagram of Turbocharger Protection System 155
Function of Turbocharger Protection System 156
Automatic Idle Stop System 157
System Diagram of Automatic Idle Stop System 157
Function of Automatic Idle Stop System 157
Component Parts of Engine System 160
VGT 160
EGR System 164
EGR Valve 166
EGR Cooler 168
KCCV System 169
KCCV Ventilator 171
KDPF 173
Cooling System 178
Layout Drawing of Cooling System 178
Specifications of Cooling System 179
Control System 180
Layout Drawing of Control System 180
Machine Monitor System 183
System Diagram of Machine Monitor System 183
Function of Machine Monitor System 183
KomVision System 185
Layout Drawing of KomVision System 185
System Diagram of KomVision System 186
Function of KomVision System 187
KOMTRAX System 189
System Diagram of KOMTRAX System 189
Function of KOMTRAX System 189
PPC Levers 190
LH PPC Lever 190
RH PPC Lever 191
Automatic Grease System 192
Outline of AUTO Grease System 192
Component Parts of Control System 204
Machine Monitor 204
KomVision Controller 218
KomVision Camera 222
Gateway Function Controller 223
Communication Terminal 226
Pump Controller 228
Resistor for PC-EPC Valve 232
CAN Terminating Resistor 232
Engine Controller 234
Fuel Control Dial 240
Fuel Feed Pump 242
Fuel Feed Pump Switch 243
Hydraulic System 244
Layout Drawing of Hydraulic System 244
CLSS 250
Structure of CLSS 250
Operation of Unload Valve and LS Pressure 252
Pump Swash Plate Angle (Oil Flow) Control 253
Pressure Compensation Control 269
Engine and Pump Combined Control System 273
Engine and Pump Combined Control System Diagram 273
Function of Engine and Pump Combined Control System 274
Pump and Valve Control System 279
Pump and Valve Control System Diagram 279
Function of Pump and Valve Control System 280
Component Parts of Hydraulic System 282
Hydraulic Tank 282
Main Pump 284
Control Valve 305
Work Equipment System 361
Layout Drawing of Work Equipment System 361
Structure of Valve Control 366
Bucket Control System 368
Operation of Bucket Control System 368
One-Touch Power Maximizing System 369
System Diagram of One-Touch Power Maximizing System 369
Function of One-Touch Power Maximizing System 370
PPC Lock System 371
System Diagram of PPC Lock 371
Function of PPC Lock System 371
Work Equipment and Travel Automatic Lock System 372
System Diagram of Lock Lever Automatic Lock System 372
Function of Work Equipment and Travel Automatic Lock System 372
Operation of Lock Lever Automatic Lock System 373
Attachment Oil Flow Adjuster System 374
Attachment Oil Flow Adjuster System Diagram 374
Function of Attachment Oil Flow Adjuster System 375
Tool Control System 376
Tool Control System Diagram 376
Component Parts of Work Equipment System 378
Work Equipment and Swing PPC Valve 378
1st-Line Attachment PPC Valve (with EPC Valve) 384
2nd-Line Attachment PPC Valve 390
Solenoid Valve 392
Boom Anti-drop Valve 395
Arm Anti-Drop Valve 399
Attachment Circuit Selector Valve (For High Pressure) 403
Attachment Circuit Selector Valve (For Low Pressure) 405
1st-Line Attachment Variable Relief Valve 407
2nd-Line Attachment Variable Relief Valve 410
Attachment Bypass Solenoid Valve 413
Pilot Circuit Accumulator 415
Attachment Circuit Accumulator 416
ICT System 417
Layout Drawing of ICT System 417
System Diagram of ICT Control System 420
Bucket Edge Position Detection System 421
Bucket Edge Position Detection System Diagram 421
Function of Bucket Edge Position Detection System 421
Operation of Bucket Edge Position Detection System 421
The Intelligent Machine Control System 423
Function of Intelligent Machine Control System 423
Auto Grade Assist Control 424
Bucket Angle Hold Control 430
Auto Stop Control 432
Tilt Automatic Control (Machines with Auto Tilt Bucket) 446
Cushion System for Arm IN End 449
Cushion System for Arm IN End Diagram 449
Function of Cushion System for Arm IN End 449
Operation of Cushion System for Arm IN End 449
Boom Secondary Drive Switch 451
Control Function When Boom Secondary Drive Switch is Turned to ON Position 451
Component Parts of ICT System 452
ICT Sensor Controller 452
Work Equipment Controller 456
Control Box 460
GNSS Receiver 463
GNSS Antenna 464
IMU Sensor 465
Intelligent Machine Control EPC Valve 467
Stroke Sensor for Boom Cylinder 470
Stroke Sensor for Arm Cylinder 471
Stroke and Reset Sensor for Bucket Cylinder 473
Reset Sensor for Boom Cylinder 475
Reset Sensor for Arm Cylinder 476
Boom Spool Stroke Sensor 477
Arm Spool Stroke Sensor 478
Swing System 480
Layout Drawing of Swing System 480
Swing Control System Diagram 483
Function of Swing Control System 483
Component Parts of Swing System 487
Swing Motor 487
Swing Machinery 498
Swing Circle 499
Travel System 501
Layout Drawing of Travel System 501
System Diagram of Travel Control System 505
Function of Travel Control System 505
Component Parts of Travel System 507
Travel Motor 507
Final Drive 518
Travel PPC Valve 520
Center Swivel Joint 525
Undercarriage and Frame 527
Layout Drawing of Undercarriage 527
Specifications of Undercarriage 528
Work Equipment 529
Structure of Work Equipment 529
Function of Work Equipment 530
Work Equipment Clearance Adjustment Shim 531
Function of Work Equipment Clearance Adjustment Shim 531
Bucket Clearance Adjustment Shim 532
Function of Bucket Clearance Adjustment Shim 532
CAB Related Parts 533
ROPS CAB 533
Structure of ROPS CAB 533
Function of ROPS CAB 533
CAB Mount 534
Structure of CAB Mount 534
Function of CAB Mount 534
CAB Tipping Stopper 535
Structure of CAB Tipping Stopper 535
Function of CAB Tipping Stopper 535
20 Standard Value Table 537
Table of Contents 538
Standard Value Table for Engine 539
Standard Value Table for Engine: PC290LCI-11 539
Standard Value Table for Machine 543
Standard Value Table for Machine: PC290LCI-11 543
Machine Posture and Procedures to Measure Performance 565
30 Testing and Adjusting 569
Table of Contents 570
Precautions Before Work 574
Related Information on Testing and Adjusting 575
Tools for Testing and Adjusting 575
Sketch of Tools for Testing and Adjusting 585
Engine and Cooling System 587
Examine Engine Speed 587
How to Examine Engine Speed 587
Examine Boost Pressure 590
How to Examine Boost Pressure on Machine Monitor 590
How to Examine Boost Pressure by Testing Tool 591
Examine Exhaust Gas Color 592
How to Examine Exhaust Gas Color with the Handy Smoke Checker 592
How to Examine Exhaust Gas Color with Smoke Meter 593
Examine Mass Air Flow and Temperature Sensor 595
How to Examine Mass Air Flow and Temperature Sensor 595
Examine and Adjust Valve Clearance 597
Check Valve Clearance 597
Adjust Valve Clearance 598
Examine Compression Pressure 600
How to Examine Compression Pressure 600
Examine Blowby Pressure 605
How to Examine Blowby Pressure 605
Examine Engine Oil Pressure 607
How to Examine Engine Oil Pressure 607
Examine EGR Valve and VGT Oil Pressure 608
How to Examine EGR Valve and VGT Oil Pressure 608
Examine Fuel Pressure 610
How to Examine Fuel Pressure 611
Examine Fuel Discharge, Return and Leakage 616
How to Examine Fuel Discharge, Return, and Leakage 617
Bleed Air from Fuel System 623
How to Bleed Air from Fuel System 623
Examine Fuel Circuit for Leakage 624
How to Examine Fuel System for Leakage 624
Handle Cylinder Cut-out Mode Operation 626
Handle No-Injection Cranking Operation 627
Examine and Adjust Air Conditioner Compressor Belt Tension 628
How to Examine Air Conditioner Compressor Belt 628
How to Adjust Air Conditioner Compressor Belt 628
Examine Fan Belt and Alternator Belt 630
How to Examine Fan Belt and Alternator Belt 630
Examine Automatic Tensioner 631
How to Examine Automatic Tensioner 631
Write Correction for Ash in Soot Accumulation to Engine Controller 632
How to Write Correction for Ash in Soot Accumulation to Engine Controller 632
Examine SCR Related Functions 633
Examine DEF Pump Raised Pressure 636
Examine Injection Volume from DEF Injector 639
Examine DEF Line Heater Relay 1 643
Examine DEF Line Heater Relay 2 646
Examine DEF Pump Heater Relay 648
Examine DEF Tank Heater Valve 651
Examine SCR Denitration Efficiency 654
Clean DEF Tank 658
How to Clean DEF Tank 658
Bleed Air from Coolant Circuit of DEF Tank 662
How to Bleed Air from Coolant Circuit of DEF Tank 662
Clean DEF Pump 664
How to Clean DEF Pump 664
Power Train 670
Examine Swing Circle Bearing Clearance 670
How to Examine Swing Circle Bearing Clearance 670
Undercarriage and Frame 671
Examine and Adjust Track Tension 671
How to Examine Track Tension 671
How to Adjust Track Tension 671
Hydraulic System 673
Release Remained Pressure in Hydraulic Circuit 673
How to Release Remained Pressure from Hydraulic Tank 673
How to Release Remained Pressure in Hydraulic Cylinder Circuit 673
How to Release Remained Pressure from Swing Motor Circuit 677
How to Release Remained Pressure from Travel Motor Circuit 678
Examine and Adjust Oil Pressure in Work Equipment, Swing, and Travel Circuits 679
How to Examine Oil Pressure in Work Equipment, Swing, and Travel Circuits 680
How to Adjust Oil Pressure in Work Equipment, Swing, and Travel Circuits 686
Examine Oil Pressure of Control Circuit 689
Examine Oil Pressure in Control Circuit 689
Examine and adjust oil pressure in pump PC control circuit 691
Examine PC Valve Outlet Pressure (Servo Piston Inlet Pressure) 691
Examine PC-EPC Valve Outlet Pressure 692
How to Adjust Oil Pressure in Pump PC Control Circuit 693
Examine and Adjust Oil Pressure in Pump LS Control Circuit 695
Examine LS Differential Pressure with Machine Monitor 695
Examine LS Differential Pressure by Testing Tool 696
How to Examine LS Valve Outlet Pressure (Servo Piston Inlet Pressure) 699
How to Examine LS-EPC Valve Outlet Pressure 700
Adjust LS Valve 701
Examine Outlet Pressure of Solenoid Valve 702
How to Examine Outlet Pressure of Solenoid Valve 702
Operating Condition of Solenoid Valve 703
Examine PPC Valve Outlet Pressure 706
Examine Outlet Pressure in PPC Valve 706
Examine Attachment Circuit Oil Pressure 708
How to Examine Attachment Circuit Oil Pressure 708
Adjust Play of Work Equipment and Swing PPC Valves 709
How to Adjust Play of Work Equipment and Swing PPC Valves 709
Examine Pump Swash Plate Sensor 710
How to Examine pump swash plate sensor 710
Examine Parts Which Cause Hydraulic Drift of Work Equipment 711
How to Examine Parts Which Cause Hydraulic Drift of Boom Cylinder and Bucket Cylinder 711
How to Examine the Parts Which Cause Hydraulic Drift of Arm Cylinder 711
How to Examine Parts that Cause Hydraulic Drift of PPC Valve 712
Examine Oil Leakage 713
How to Examine Oil Leakage from Boom Cylinder 713
How to Examine Oil Leakage from Arm Cylinder 713
How to Examine Oil Leakage from Bucket Cylinder 714
How to Examine Oil Leakage from Swing Motor 715
How to Examine Oil Leakage from Travel Motor 715
Bleed Air from Hydraulic System 716
How to Bleed Air from Hydraulic System 718
Work Equipment 720
Examine and Charge Accumulator (Made by NOK) Nitrogen Gas Pressure for Attachment (Low Pressure Side) 720
Examine Accumulator (Made by NOK) Nitrogen Gas Pressure for Attachment (Low Pressure Side) 720
Examine and Charge Accumulator Nitrogen Gas Pressure for Attachment (High Pressure Side) 724
Examine Accumulator Nitrogen Gas Pressure for Attachment (High Pressure Side) 724
Replace Accumulator Bladder on High Pressure Side for Attachment Piping 728
How to Replace Accumulator Bladder on High Pressure Side for Attachment Piping 728
CAB Related Parts 735
Examine CAB Tipping Stopper 735
How to Examine Cab Tipping Stopper 735
How to Adjust Mirrors 736
Procedure to Adjust Machine Left Front Mirror (A) 736
Procedure to Adjust Regular Position of Machine Left Front Mirror (A) 737
Procedure to Adjust Machine Right Front Mirror (B) 738
Procedure to Adjust Regular Position of Machine Right Front Mirror (B) 739
Procedure to Adjust Machine Right Side Mirror (C) 740
Electrical System 742
Set and Operate Machine Monitor 742
Operator Mode 746
Function to Show Technician Identification Status Screen 746
Function to Show Operator Identification Input Screen 746
Examine Function by LCD (Liquid Crystal Display) 747
Examine Function of Service Meter 748
Usage Limitation and Maintenance Password Change Function 748
Service Mode 750
How to Operate Service Mode 750
How to See Pre-defined Monitoring Information 754
How to Examine Self-Define Monitor Information 760
Abnormality Record Menu 774
How to See Maintenance Record 779
Maintenance Mode Setting 780
Set Phone Number Entry 784
Default Menu 785
Diagnostic Tests Menu 795
Adjustment Menu 806
No-Injection Cranking Operation 843
KOMTRAX Settings Menu 844
Show Service Message 846
Start Up KOMTRAX System 848
Adjust Rearview Camera Angle 853
How to Adjust Rearview Camera Angle 853
Adjust KomVision Camera Angle 856
How to Adjust KomVision Camera Angle 857
Adjust KomVision Related Function 861
Setting of KomVision (Main Setting) 861
Setting of KomVision (Camera Setting) 863
Setting of KomVision (Camera Calibration) 865
KomVision screen – Check 12 m visibility 878
Set Region of Bluetooth(R) Compatible Radio 881
Set Region of Bluetooth(R) Compatible Radio 881
Handle Voltage Circuit of Engine Controller 883
Handle Battery Disconnect Switch 884
Examine Diodes 885
Examine Diodes by Digital Tester 885
How to Examine Diodes by Analog Tester 885
ICT System 886
Set and Operate Control Box 886
How to Set the Starting Switch Interlock Function of the Control Box 888
How to Select Excavator Model in the Control Box 891
Set GNSS Receiver Type 895
Set Heading Mode 898
Switch Grade Transitions Fineness on Control Box 902
Monitoring and Logging Function on Control Box 905
Set Tilt Automatic Control Function 910
Calibrate Intelligent Machine Control 914
PPC Pressure Sensor Calibration 916
Control Map Calibration 997
How to Examine the Intelligent Machine Control System1165
Calibrate IMU Sensor for Yaw Angle1171
Calibrate IMU Sensor1178
Procedure to be Done If an Error Occurs During Calibration of IMU Sensor1190
Work Equipment Cylinder Calibration1190
If Error Occurs During Calibration of Work Equipment Cylinder1203
General Calibration of Bucket Blade Edge Position, Boom Dimensions, Arm Dimensions, Bucket Link Dimensions, and GNSS Antenna Position with Total Station1205
Calibration of Boom Dimensions and Arm Dimensions with Total Station1257
Calibration of Bucket Link Dimensions with Total Station1277
Calibration of GNSS Antenna with Total Station1313
Input Range of the Measured Values in Calibration with Total Station1337
Examine the Input Values in Calibration with Total Station1339
Procedure to be Done If an Error Occurs During Calibration with Total Station1339
Calibration of GNSS Antenna Without Total Station1340
Calibration of Bucket Blade Edge Position Without Total Station1344
Input Range of the Measured Values in Calibration Without Total Station1353
Procedure to be Done If an Error Occurs During Calibration Without Total Station1354
Pm Clinic1356
Pm Clinic Service1356
Pm Clinic Check Sheet: PC290LCI-111357
40 Troubleshooting1369
Table of Contents1370
Precautions Before Work1384
Related Information to Troubleshooting1385
General Troubleshooting Points1385
Troubleshooting Points for Urea SCR System1386
Sequence of Events in Troubleshooting1400
Checks Before Troubleshooting1402
Inspection Procedure Before Troubleshooting1404
Walk-Around Check1404
Test in Accordance with Testing Procedure1406
Examine Fuel Level and Type1406
Examine for Impure Ingredient in Fuel1406
Examine Fuel Prefilter1407
Examine Water Separator, Drain Water and Sediment1407
How to Replace Fuel Prefilter Cartridge1408
Examine Fuel Main Filter1409
Examine Engine Oil Level (Oil Quantity in Oil Pan)1411
Examine Coolant Level (Reservoir Tank)1412
Examine Air Cleaner Clogging1412
Clean Outer Element1413
Replace Element1415
Examine Hydraulic Oil Level1416
Examine Hydraulic Oil Strainer1417
Examine Hydraulic Oil Filter1418
Examine Oil Level in Swing Machinery Case1419
Examine Oil Level in Damper Case1420
Examine Oil Level in Final Drive Case1420
Bleed Air from Fuel System1421
Bleed Air from Hydraulic System1421
How to Examine Electric Equipment1421
Preparation for Troubleshooting of Electrical System1429
Preparation for Troubleshooting of Machine Monitor1429
Preparation for Troubleshooting of Engine Controller1429
Preparation for Troubleshooting of ICT Sensor Controller1430
Preparation for Troubleshooting of Work Equipment Controller1431
Preparation for Troubleshooting of Gateway Function Controller1432
Preparation for Troubleshooting of KomVision Controller1435
Preparation for Troubleshooting of Control Box1436
Preparation for Troubleshooting of GNSS Receiver1436
How to Disconnect and Connect Connector with a Special Lock1436
Procedure for Troubleshooting1440
Symptom and Troubleshooting Numbers1443
Information Shown in Troubleshooting Table1448
Diagnose Open Circuit of Hydraulic Pressure Sensor System Wiring Harness1450
Connectors List1453
Connector Layout (1)1465
Connector Layout (2)1467
Connector Layout (3)1469
Connector Layout (4)1470
Connector Layout (5)1471
Connector Layout (6)1473
Connector Contact Connection Table1475
T-Branch Box and T-Branch Adapter Table1515
Fuse Location Table1521
Precautions When You Clean and Replace KDPF (KCSF and KDOC)1524
Prepare Short Circuit Electrical Connector (For Failure Codes [CA1883] and [CA3135])1528
Failure Code Table1530
Troubleshooting by Failure Code (Display of Code)1555
Failure Code [6AZ0ZG]1555
Failure Code [879AKA]1557
Failure Code [879AKB]1558
Failure Code [879BKA]1559
Failure Code [879BKB]1561
Failure Code [879CKA]1563
Failure Code [879CKB]1564
Failure Code [879DKZ]1565
Failure Code [879EMC]1567
Failure Code [879FMC]1568
Failure Code [879GKX]1569
Failure Code [989L00]1571
Failure Code [989M00]1572
Failure Code [989N00]1573
Failure Code [A1U0N3]1574
Failure Code [A1U0N4]1576
Failure Code [A900FR]1578
Failure Code [A900N6]1579
Failure Code [A900NY]1580
Failure Code [AA10NX]1581
Failure Code [AB00KE]1583
Failure Code [AQ10N3]1586
Failure Code [AS00N3]1588
Failure Code [AS00R2]1590
Failure Code [AS00R3]1591
Failure Code [AS00R4]1592
Failure Code [AS00R5]1593
Failure Code [AS00R6]1594
Failure Code [AS00ZK]1595
Failure Code [AS10KM]1596
Failure Code [AS10NR]1597
Failure Code [AS10NT]1598
Failure Code [B@BAZG]1599
Failure Code [B@BAZK]1600
Failure Code [B@BCNS]1602
Failure Code [B@BCQA]1603
Failure Code [B@BCZK]1605
Failure Code [B@HANS]1607
Failure Code [CA115]1608
Failure Code [CA122]1609
Failure Code [CA123]1611
Failure Code [CA131]1613
Failure Code [CA132]1615
Failure Code [CA144]1617
Failure Code [CA145]1619
Failure Code [CA153]1621
Failure Code [CA154]1624
Failure Code [CA187]1626
Failure Code [CA221]1628
Failure Code [CA222]1630
Failure Code [CA227]1632
Failure Code [CA234]1633
Failure Code [CA238]1634
Failure Code [CA239]1636
Failure Code [CA249]1638
Failure Code [CA256]1640
Failure Code [CA271]1642
Failure Code [CA272]1644
Failure Code [CA322]1646
Failure Code [CA323]1648
Failure Code [CA324]1650
Failure Code [CA325]1652
Failure Code [CA331]1654
Failure Code [CA332]1656
Failure Code [CA343]1658
Failure Code [CA351]1659
Failure Code [CA352]1660
Failure Code [CA356]1663
Failure Code [CA357]1665
Failure Code [CA386]1667
Failure Code [CA428]1668
Failure Code [CA429]1670
Failure Code [CA435]1672
Failure Code [CA441]1674
Failure Code [CA442]1676
Failure Code [CA449]1677
Failure Code [CA451]1678
Failure Code [CA452]1680
Failure Code [CA488]1682
Failure Code [CA515]1683
Failure Code [CA516]1685
Failure Code [CA553]1687
Failure Code [CA555]1688
Failure Code [CA556]1689
Failure Code [CA559]1690
Failure Code [CA595]1693
Failure Code [CA687]1694
Failure Code [CA689]1696
Failure Code [CA691]1699
Failure Code [CA692]1701
Failure Code [CA697]1703
Failure Code [CA698]1704
Failure Code [CA731]1705
Failure Code [CA778]1707
Failure Code [CA1117]1712
Failure Code [CA1664]1713
Failure Code [CA1669]1715
Failure Code [CA1673]1716
Failure Code [CA1677]1717
Failure Code [CA1678]1718
Failure Code [CA1682]1719
Failure Code [CA1683]1721
Failure Code [CA1684]1723
Failure Code [CA1686]1725
Failure Code [CA1691]1726
Failure Code [CA1694]1729
Failure Code [CA1695]1732
Failure Code [CA1696]1733
Failure Code [CA1712]1735
Failure Code [CA1713]1738
Failure Code [CA1714]1740
Failure Code [CA1715]1741
Failure Code [CA1776]1742
Failure Code [CA1777]1745
Failure Code [CA1843]1748
Failure Code [CA1844]1750
Failure Code [CA1879]1753
Failure Code [CA1881]1756
Failure Code [CA1883]1758
Failure Code [CA1885]1761
Failure Code [CA1887]1763
Failure Code [CA1921]1765
Failure Code [CA1922]1768
Failure Code [CA1942]1773
Failure Code [CA1993]1774
Failure Code [CA2185]1777
Failure Code [CA2186]1778
Failure Code [CA2249]1780
Failure Code [CA2271]1781
Failure Code [CA2272]1783
Failure Code [CA2288]1786
Failure Code [CA2311]1787
Failure Code [CA2349]1788
Failure Code [CA2353]1791
Failure Code [CA2357]1793
Failure Code [CA2381]1794
Failure Code [CA2382]1796
Failure Code [CA2383]1799
Failure Code [CA2386]1802
Failure Code [CA2387]1804
Troubleshooting Flowchart1808
Failure Code [CA2555]1809
Failure Code [CA2556]1812
Failure Code [CA2637]1815
Failure Code [CA2639]1817
Failure Code [CA2771]1820
Failure Code [CA2777]1826
Failure Code [CA2976]1829
Failure Code [CA3133]1831
Failure Code [CA3134]1833
Failure Code [CA3135]1835
Failure Code [CA3142]1838
Failure Code [CA3143]1839
Failure Code [CA3144]1840
Failure Code [CA3146]1842
Failure Code [CA3147]1843
Failure Code [CA3148]1844
Failure Code [CA3151]1846
Failure Code [CA3165]1852
Failure Code [CA3229]1854
Failure Code [CA3231]1856
Failure Code [CA3232]1858
Failure Code [CA3235]1862
Failure Code [CA3239]1864
Failure Code [CA3241]1867
Failure Code [CA3242]1870
Failure Code [CA3251]1873
Failure Code [CA3253]1875
Failure Code [CA3254]1878
Failure Code [CA3255]1881
Failure Code [CA3256]1885
Failure Code [CA3311]1887
Failure Code [CA3312]1889
Failure Code [CA3313]1892
Failure Code [CA3314]1893
Failure Code [CA3315]1894
Failure Code [CA3316]1896
Failure Code [CA3317]1897
Failure Code [CA3318]1898
Failure Code [CA3319]1900
Failure Code [CA3321]1901
Failure Code [CA3322]1903
Failure Code [CA3419]1905
Failure Code [CA3421]1907
Failure Code [CA3497]1909
Failure Code [CA3498]1910
Failure Code [CA3543]1911
Failure Code [CA3545]1918
Failure Code [CA3547]1920
Failure Code [CA3558]1921
Failure Code [CA3559]1923
Failure Code [CA3562]1925
Failure Code [CA3563]1927
Failure Code [CA3567]1930
Failure Code [CA3568]1933
Failure Code [CA3571]1937
Failure Code [CA3572]1939
Failure Code [CA3574]1941
Failure Code [CA3575]1943
Failure Code [CA3577]1944
Failure Code [CA3578]1946
Failure Code [CA3582]1948
Failure Code [CA3583]1954
Failure Code [CA3596]1956
Failure Code [CA3649]1958
Failure Code [CA3681]1960
Failure Code [CA3682]1965
Failure Code [CA3713]1971
Failure Code [CA3717]1974
Failure Code [CA3718]1975
Failure Code [CA3725]1976
Failure Code [CA3741]1979
Failure Code [CA3748]1980
Failure Code [CA3751]1982
Failure Code [CA3755]1984
Failure Code [CA3866]1986
Failure Code [CA3867]1990
Failure Code [CA3868]1993
Failure Code [CA3899]1997
Failure Code [CA3911]1999
Failure Code [CA3912]2003
Failure Code [CA3932]2005
Failure Code [CA3933]2007
Failure Code [CA3934]2009
Failure Code [CA3935]2012
Failure Code [CA3936]2014
Failure Code [CA4151]2016
Failure Code [CA4152]2020
Failure Code [CA4155]2024
Failure Code [CA4156]2026
Failure Code [CA4157]2029
Failure Code [CA4158]2031
Failure Code [CA4159]2032
Failure Code [CA4161]2033
Failure Code [CA4162]2036
Failure Code [CA4163]2039
Failure Code [CA4164]2040
Failure Code [CA4165]2042
Failure Code [CA4166]2044
Failure Code [CA4168]2045
Failure Code [CA4169]2048
Failure Code [CA4171]2050
Failure Code [CA4249]2053
Failure Code [CA4251]2055
Failure Code [CA4259]2057
Failure Code [CA4261]2060
Failure Code [CA4277]2063
Failure Code [CA4281]2067
Failure Code [CA4459]2070
Failure Code [CA4461]2072
Failure Code [CA4658]2075
Failure Code [CA4731]2079
Failure Code [CA4732]2080
Failure Code [CA4739]2081
Failure Code [CA4768]2082
Failure Code [CA4769]2084
Failure Code [CA4842]2087
Failure Code [CA4952]2091
Failure Code [CA5115]2093
Failure Code [CA5179]2096
Failure Code [CA5181]2098
Failure Code [CA5383]2100
Failure Code [D110KB]2102
Failure Code [D19JKZ]2104
Failure Code [D1M3KA]2107
Failure Code [D1M3KB]2109
Failure Code [D1M3KY]2111
Failure Code [D1M3MA]2113
Failure Code [D1M4KA]2114
Failure Code [D1M4KB]2116
Failure Code [D1M4KY]2118
Failure Code [D1M5KA]2119
Failure Code [D1M5KB]2121
Failure Code [D1M5KY]2123
Failure Code [D1M5MA]2125
Failure Code [D811MC]2126
Failure Code [D862KA]2127
Failure Code [D8ALKA]2129
Failure Code [D8ALKB]2132
Failure Code [D8AQKR]2134
Failure Code [D8G1KT]2142
Failure Code [D8G6KT]2143
Failure Code [DA20MC]2144
Failure Code [DA22KK]2145
Failure Code [DA25KP]2148
Failure Code [DA26KP]2150
Failure Code [DA29KQ]2153
Failure Code [DA2LKA]2156
Failure Code [DA2LKB]2159
Failure Code [DA2QKR]2161
Failure Code [DA2RKR]2171
Failure Code [DAF0KM]2180
Failure Code [DAF0MB]2181
Failure Code [DAF0MC]2182
Failure Code [DAF8KB]2183
Failure Code [DAF9KQ]2185
Failure Code [DAFGMC]2186
Failure Code [DAFLKA]2187
Failure Code [DAFLKB]2190
Failure Code [DAFQKR]2192
Failure Code [DAZ9KQ]2201
Failure Code [DAZQKR]2202
Failure Code [DB2QKR]2207
Failure Code [DB2RKR]2216
Failure Code [DB90MC]2224
Failure Code [DB92KK]2225
Failure Code [DB95KP]2227
Failure Code [DB96KP]2231
Failure Code [DB99KQ]2235
Failure Code [DB9LKA]2238
Failure Code [DB9LKB]2240
Failure Code [DB9QKR]2242
Failure Code [DB9RKR]2248
Failure Code [DBP0KM]2257
Failure Code [DBP0KT]2258
Failure Code [DBP5KB]2259
Failure Code [DBP5KY]2262
Failure Code [DBPQKR]2265
Failure Code [DBR0MC]2274
Failure Code [DBR2KK]2275
Failure Code [DBR5KP]2278
Failure Code [DBR6KP]2280
Failure Code [DBR9KQ]2282
Failure Code [DBRLKA]2285
Failure Code [DBRLKB]2287
Failure Code [DBRQKR]2289
Failure Code [DBRRKR]2295
Failure Code [DBRSKB]2304
Failure Code [DBRTKB]2306
Failure Code [DBUSKR]2308
Failure Code [DD20MA]2312
Failure Code [DDNRKA]2315
Failure Code [DDNRKY]2317
Failure Code [DDNS00]2319
Failure Code [DFB1KZ]2321
Failure Code [DFB2KZ]2323
Failure Code [DFB3L8]2325
Failure Code [DFB4L8]2327
Failure Code [DFB5KZ]2329
Failure Code [DFB6KZ]2331
Failure Code [DGH2KA]2333
Failure Code [DGH2KB]2335
Failure Code [DHA4KA]2337
Failure Code [DHAAMA]2339
Failure Code [DHACMA]2341
Failure Code [DHPAMA]2343
Failure Code [DHPBMA]2346
Failure Code [DHS3MA]2349
Failure Code [DHS4MA]2352
Failure Code [DHS8MA]2355
Failure Code [DHS9MA]2358
Failure Code [DHSAMA]2361
Failure Code [DHSBMA]2364
Failure Code [DHSCMA]2367
Failure Code [DHSDMA]2370
Failure Code [DHSFMA]2373
Failure Code [DHSGMA]2376
Failure Code [DHSHMA]2379
Failure Code [DHSJMA]2382
Failure Code [DHUXMA]2385
Failure Code [DHUYMA]2387
Failure Code [DHZAMA]2389
Failure Code [DHZCL8]2393
Failure Code [DK80KM]2394
Failure Code [DK80KR]2395
Failure Code [DK80KT]2400
Failure Code [DK8DKB]2401
Failure Code [DK8CKT]2403
Failure Code [DK8CKR]2404
Failure Code [DKG1KM]2408
Failure Code [DKG1L8]2409
Failure Code [DKR0MA]2410
Failure Code [DKR1MA]2413
Failure Code [DKT0KM]2416
Failure Code [DKT0L8]2417
Failure Code [DKT1KA]2418
Failure Code [DKT1KB]2420
Failure Code [DKT2KA]2422
Failure Code [DKT2KB]2424
Failure Code [DKT4KM]2426
Failure Code [DKT4L8]2427
Failure Code [DKT5KA]2428
Failure Code [DKT5KB]2430
Failure Code [DKT6KA]2432
Failure Code [DKT6KB]2434
Failure Code [DKT8KA]2436
Failure Code [DKT8KB]2438
Failure Code [DKT9KA]2440
Failure Code [DKT9KB]2442
Failure Code [DKTAKA]2444
Failure Code [DKTAKB]2446
Failure Code [DKTAMB]2448
Failure Code [DKTBKX]2449
Failure Code [DKTBMC]2451
Failure Code [DKTEMB]2452
Failure Code [DKTFKX]2454
Failure Code [DKTFMC]2456
Failure Code [DKTJMB]2457
Failure Code [DKTUL8]2459
Failure Code [DKTVKA]2460
Failure Code [DKTVKB]2462
Failure Code [DKTWKA]2463
Failure Code [DKTWKB]2465
Failure Code [DKU1MA]2466
Failure Code [DKU2MA]2467
Failure Code [DKUGKA]2468
Failure Code [DKUGKB]2470
Failure Code [DKUGKY]2472
Failure Code [DKUHKA]2474
Failure Code [DKUHKB]2476
Failure Code [DKUHKY]2478
Failure Code [DKULKA]2480
Failure Code [DKULKB]2482
Failure Code [DKULKY]2484
Failure Code [DKV0KA]2486
Failure Code [DKV0KY]2489
Failure Code [DKV1KA]2491
Failure Code [DKV1KY]2493
Failure Code [DKV2KA]2495
Failure Code [DKV2KY]2497
Failure Code [DKV3KA]2499
Failure Code [DKV3KY]2501
Failure Code [DKV4MA]2503
Failure Code [DKV5MA]2506
Failure Code [DKV6MA]2509
Failure Code [DKV7MA]2512
Failure Code [DKV8MA]2515
Failure Code [DKV9MA]2518
Failure Code [DKVAMA]2521
Failure Code [DKVBKA]2524
Failure Code [DKVBKB]2526
Failure Code [DKVBKY]2528
Failure Code [DKVCKA]2530
Failure Code [DKVCKB]2532
Failure Code [DKVCKY]2534
Failure Code [DKVDKA]2536
Failure Code [DKVDKB]2538
Failure Code [DKVDKY]2540
Failure Code [DKVDMA]2542
Failure Code [DKVLMA]2544
Failure Code [DKVMMA]2547
Failure Code [DKVNKX]2550
Failure Code [DKVNL8]2551
Failure Code [DKVKKX]2552
Failure Code [DKVKL8]2553
Failure Code [DKVPMA]2554
Failure Code [DKVQMA]2557
Failure Code [DR10KA]2560
Failure Code [DR12KA]2564
Failure Code [DR20KA]2566
Failure Code [DR21KX]2568
Failure Code [DR30KA]2570
Failure Code [DR31KX]2572
Failure Code [DR40KA]2574
Failure Code [DUMBKA]2576
Failure Code [DUMBKB]2579
Failure Code [DV20KB]2581
Failure Code [DW43KA]2583
Failure Code [DW43KB]2585
Failure Code [DW43KY]2587
Failure Code [DW45KA]2589
Failure Code [DW45KB]2592
Failure Code [DW45KY]2595
Failure Code [DW4CKY]2597
Failure Code [DW4FKA]2599
Failure Code [DW4FKB]2602
Failure Code [DW4FKY]2604
Failure Code [DW4GKA]2607
Failure Code [DW4GKB]2610
Failure Code [DW4GKY]2612
Failure Code [DW4SKA]2614
Failure Code [DW4SKB]2616
Failure Code [DW4SKY]2618
Failure Code [DW91KA]2620
Failure Code [DW91KB]2622
Failure Code [DW91KY]2624
Failure Code [DWA2KA]2626
Failure Code [DWA2KB]2628
Failure Code [DWA2KY]2630
Failure Code [DWK0KA]2632
Failure Code [DWK0KB]2634
Failure Code [DWK0KY]2636
Failure Code [DWK2KA]2638
Failure Code [DWK2KB]2640
Failure Code [DWK2KY]2642
Failure Code [DWK8KA]2644
Failure Code [DWK8KB]2646
Failure Code [DWK8KY]2648
Failure Code [DWPUKA]2650
Failure Code [DWPUKB]2652
Failure Code [DWPUKY]2654
Failure Code [DXA8KA]2655
Failure Code [DXA8KB]2657
Failure Code [DXA9KA]2659
Failure Code [DXA9KB]2661
Failure Code [DXE0KA]2663
Failure Code [DXE0KB]2664
Failure Code [DXE4KA]2666
Failure Code [DXE4KB]2668
Failure Code [DXE4KY]2670
Failure Code [DXE5KA]2672
Failure Code [DXE5KB]2674
Failure Code [DXE6KA]2676
Failure Code [DXE6KB]2678
Failure Code [DXE7KA]2680
Failure Code [DXE7KB]2682
Failure Code [DXE7KY]2684
Failure Code [DXE8KA]2686
Failure Code [DXE8KB]2688
Failure Code [DXE8KY]2690
Failure Code [DXE9KA]2692
Failure Code [DXE9KB]2694
Failure Code [DXE9KY]2696
Failure Code [DXEAKA]2698
Failure Code [DXEAKB]2700
Failure Code [DXEAKY]2702
Failure Code [DXEKKA]2704
Failure Code [DXEKKB]2706
Failure Code [DXEKKY]2708
Failure Code [DXELKA]2709
Failure Code [DXELKB]2711
Failure Code [DXELKY]2713
Failure Code [DXRWKA]2714
Failure Code [DXRWKB]2716
Failure Code [DXRWKY]2718
Failure Code [DXRXKA]2720
Failure Code [DXRXKB]2722
Failure Code [DXRXKY]2724
Failure Code [DXRYKA]2726
Failure Code [DXRYKB]2728
Failure Code [DXRYKY]2730
Failure Code [DY20KA]2732
Failure Code [DY20MA]2734
Failure Code [DY2CKB]2736
Failure Code [DY2DKB]2739
Failure Code [DY2EKB]2741
Failure Code [F311KA]2743
Failure Code [F311KB]2745
Failure Code [F312KA]2747
Failure Code [F312KB]2749
Failure Code [F313KA]2751
Failure Code [F313KB]2753
Failure Code [F314KA]2756
Failure Code [F314KB]2758
Failure Code [F315KB]2760
Failure Code [F315KY]2762
Failure Code [F316KB]2764
Failure Code [F316KY]2766
Failure Code [F318KB]2768
Failure Code [F318KY]2771
Failure Code [F31AKB]2773
Failure Code [F31AKY]2775
Failure Code [F31BKB]2777
Failure Code [F31BKY]2779
Failure Code [F31CKB]2781
Failure Code [F31CKY]2783
Failure Code [F31DKB]2785
Failure Code [F31DKY]2787
Failure Code [F31EKB]2789
Failure Code [F31EKY]2791
Failure Code [F7FQKR]2793
Failure Code [F7G0MC]2802
Failure Code [H16SL8]2803
Failure Code [H17SL8]2805
Troubleshooting of Electrical System (E-Mode)2807
E-1 Engine Does Not Start (Engine Does Not Crank)2807
E-2 Manual Preheating System Does Not Operate2813
E-3 Automatic Preheating System Does Not Operate2816
E-4 While Preheating is in Operation, Preheating Monitor Does Not Come On2818
E-5 When Starting Switch is Turned to ON Position, Machine Monitor Shows Nothing2820
E-6 While Starting Switch is Turned to ON Position (with Engine Stopped), Engine Oil Level Monitor Comes On in Yellow2823
E-7 While Starting Switch is Turned to ON Position (with Engine Stopped), Radiator Coolant Level Monitor Comes On in Yellow2824
E-8 Engine Coolant Temperature Monitor Comes On While Engine is in Operation2825
E-9 Hydraulic Oil Temperature Monitor Comes On in White While Engine Runs2826
E-10 Air Cleaner Clogging Monitor Comes On in Yellow While Engine Runs2827
E-11 Charge Level Monitor Comes On in Red While Engine is in Operation2828
E-12 Fuel Level Monitor Comes On in Red While Engine Runs2829
E-13 Water Separator Monitor Comes On in Red While Engine Runs2830
E-14 Engine Coolant Temperature Monitor Comes On in Red While Engine is in Operation2831
E-15 Engine Oil Pressure Monitor Comes on in Red While Engine is in Operation2832
E-16 Hydraulic Oil Temperature Monitor Comes On in Red While Engine is in Operation2833
E-17 Fuel Gauge Display Does Not Move from Minimum or Maximum2834
E-18 Display of Fuel Gauge is Different from Actual Fuel Level2836
E-19 Coolant Temperature Gauge Display Does Not Move from Minimum or Maximum2837
E-20 Display of Coolant Temperature Gauge is Different from Actual Coolant Temperature2838
E-21 Hydraulic Oil Temperature Gauge Display Does Not Move from Minimum or Maximum2839
E-22 Display of Hydraulic Oil Temperature Gauge is Different from Actual Oil Temperature2841
E-23 Some Areas of Machine Monitor Screen are Not Shown2842
E-24 Function Switch Does Not Operate2843
E-25 Automatic Warm-up System Does Not Work (in Cold Weather)2844
E-26 When Auto-Decelerator Switch is Operated, Auto-Decelerator Monitor Does Not Come On or Does Not Go Out2845
E-27 Auto-Decelerator is Not Operated or Canceled with Lever2846
E-28 When Working Mode Switch is Operated, Working Mode Selection Screen is Not Shown2847
E-29 When Working Mode is Changed, Setting of Engine and Hydraulic Pump is Not Changed2848
E-30 When Travel Speed Switch is Operated, Travel Speed Monitor Does Not Change2849
E-31 When Travel Speed Selection is Changed, Actual Travel Speed Does Not Change2850
E-32 Alarm Buzzer Cannot be Canceled2852
E-33 Service Meter is Not Shown, While Starting Switch is in OFF Position2853
E-34 Service Mode Cannot be Selected2854
E-35 All of Work Equipment, Swing, and Travel Mechanism Do Not Move2855
E-36 All Work Equipment, Swing and Travel Do Not Lock2858
E-37 Bucket Does Not Move with Auto Tilt Function2860
E-38 When Swing Brake Cancel Switch is Set to Cancel Position, Machine Cannot Swing2861
E-39 When Swing Parking Brake Cancel Switch is Set to Normal Position, Swing Brake Does Not Operate2864
E-40 One-Touch Power Maximizing Function Does Not Operate Normally or Monitor is Not Show2866
E-41 One-Touch Power Maximizing Function is Not Cancelled2869
E-42 Alarm Does Not Sound During Travel2870
E-43 Alarm Does Not Stop When Machine Stops2872
E-44 Horn Does Not Sound2873
E-45 Horn Does Not Stop2876
E-46 When Wiper Switch is Operated, Wiper Monitor Does Not Come On or Go Out2878
E-47 When Wiper Switch is Operated, Windshield Wiper Does Not Operate2879
E-48 Window Washer Does Not Operate When Window Washer Switch is Operated2881
E-49 “Boom Raise” is Not Shown Correctly with Monitoring Function2882
E-50 “Boom Lower” is Not Shown Correctly with Monitoring Function2883
E-51 “Arm OUT” is Not Shown Correctly with Monitoring Function2884
E-52 “ARM IN” IS NOT SHOWN CORRECTLY WITH MONITORING FUNCTION2885
E-53 “Bucket DUMP” is Not Shown Correctly with Monitoring Function2886
E-54 “Bucket CURL” is Not Shown Correctly with Monitoring Function2887
E-55 “Swing” is Not Shown Correctly with Monitoring Function2888
E-56 “Travel” is Not Shown Correctly with Monitoring Function2889
E-57 Service is Not Shown Correctly with Monitoring Function2890
E-58 Attachment Hydraulic Circuit Cannot be Changed2892
E-59 KOMTRAX System Does Not Operate Correctly2893
E-60 Control Box Shows Message [GPS Receiver Not Connected] and [Slope Sensor Not Connected!], and Then Shuts Down2894
E-61 Control Box Shows Message [GPS Receiver Not Connected!]2897
E-62 Control Box Shows Message [Waiting for Radio Link]2900
E-63 Control Box Shows Message [Tilt Bucket Sensor Offline!]2901
E-64 Control Box Shows Message [Waiting for Satellites]2902
E-65 Control Box Shows Message [Komatsu controller not connected!] Show Production2903
E-66 Control Box Shows Message [Sensors are Invalid]2906
E-67 Control Box Shows Message [Waiting to Initialize]2909
E-68 Control Box Shows Message [Waiting to Initialize]2910
E-69 Control Box Shows Message [No GPS Localization]2911
E-70 Control Box Shows Message [Low Precisions]2912
E-71 Control Box Shows Message [Out of Design Area]2913
E-72 Control Box Shows Message [Avoidance Area Breach]2914
E-73 Control Box Shows Message [CPU Load is Increased]2915
E-74 Control Box Cannot be Turned on2916
E-75 Control Box Does Not Show Intelligent Machine Control Screen2917
E-76 Control Box Does Not Show Hydraulic Excavator Image2918
E-77 Control Box Does Not Show Design Surface2919
E-78 Control Box Touch Panel Does Not Respond2920
E-79 Control Box Touch Panel is Inaccurate2921
E-80 When You Examine and Adjust Bucket Blade Edge Position, Value is Different Largely2922
E-81 “Semi-Auto Mode” is Not Shown When Auto/Manual Switch is Pushed2924
E-82 “Semi-Automatic Mode” is Shown but Auto Grade Assist Function Does Not Operate2925
E-83 “Semi-Automatic Mode” is Shown but Auto Stop Control Does Not Work2926
E-84 “Semi-Automatic Mode” is Shown but the Work Mode Icon is Not Shown2927
E-85 Bucket Angle Hold Control Does Not Operate2928
E-86 Blade Edge Position on Design Surface is Not Accurate When Auto Grade Assist Function is on2929
E-87 Blade Edge Stop Position is Not Accurate for Design Surface When Auto Stop Control Function is on2931
E-88 Facing Angle Compass Does Not Become Perpendicular to Target2933
E-89 NG Occurs Frequently in IMU Calibration Diagnosis2934
E-90 Cushion for Boom Raise End Does Not Work or is Weak2935
E-91 Cushion for Arm IN End Does Not Work or is Weak2936
Troubleshooting for Hydraulic and Mechanical Systems (H Mode)2939
Information Shown in Troubleshooting Table (H-Mode)2939
System Chart of Hydraulic and Mechanical Systems2940
Failure Mode and Cause Table2942
H-1 All Work Equipment, Swing and Travel Do Not Work2951
H-2 All Work Equipment, Swing and Travel Lack Speed and Power2952
H-3 Fine Control Performance or Response is Unsatisfactory2955
H-4 Unusual Noise is Heard from Around Hydraulic Pump2956
H-5 Engine Speed Drops Largely or Engine Stops2957
H-6 Speed or Power of Boom is Low2959
H-7 Arm Speed or Power is Low2963
H-8 Bucket Speed or Power is Low2968
H-9 Work Equipment Does Not Move in Single Operation2971
H-10 Hydraulic Drift of Boom is Large2972
H-11 Hydraulic Drift of Arm is Large2974
H-12 Hydraulic Drift of Bucket is Large2976
H-13 When Single Work Equipment is Released Hydraulically, Other Work Equipment Moves2977
H-14 Time Lag of Work Equipment is Large2978
H-15 One-Touch Power Maximizing Function Does Not Operate2979
H-16 Attachment Circuit Cannot be Changed2980
H-17 Oil Flow in Attachment Circuit Cannot be Changed2981
H-18 In Mixed Operation of Work Equipment, Work Equipment with Heavier Load Moves Slower2982
H-19 In Mixed Operation of Swing and Travel, Travel Speed Decreases Largely2983
H-20 In Mixed Operation of Swing and Boom Raise, Boom Raise Speed is Low2984
H-21 Machine Does Not Travel Straight2985
H-22 Machine is Not Steered Correctly or Steering Power is Low2987
H-23 Travel Speed is Low2990
H-24 One of Tracks Does Not Run2992
H-25 Travel Speed Does Not Change, or Travel Speed is Too Slow or Fast2993
H-26 Upper Structure Does Not Swing to Right and Left2994
H-27 Upper Structure Swings Only to Right or Left2995
H-28 Swing Acceleration or Swing Speed is Low in Right and Left Directions2996
H-29 Swing Acceleration or Swing Speed is Low in Only One Direction2997
H-30 Upper Structure Overruns Too Much When It Stops Swing Operation (Right and Left)2998
H-31 Upper Structure Overruns Too Much When It Stops Swing Operation (Only One Direction)2999
H-32 Shock is Large When Upper Structure Stops Swing Operation3000
H-33 There is Large Unusual Noise When It Stops Swing Operation3001
H-34 Swing Drift on a Slope is Large (While Swing Parking Brake is Applied)3002
H-35 Swing Drift on a Slope is Large (While Swing Parking Brake is Released)3003
H-36 Fan Speed is Abnormal (Too High or Low, or Does Not Rotate)3004
H-37 Unusual Noise is Heard from Around Fan3005
Troubleshooting of Engine (S-Mode)3006
Information Shown in Troubleshooting Table (S-Mode)3006
S-1 Engine Does Not Crank When Starting Switch is Turned to Start Position3007
S-2 Engine Cranks but No Exhaust Smoke Comes Out3008
S-3 Fuel is Injected but Engine Does Not Start (Misfiring: Engine Cranks but Does Not Start)3009
S-4 Engine Startability is Unsatisfactory3011
S-5 Engine Does Not Pick Up Smoothly3013
S-6 Engine Stops During Operation3015
S-7 Engine Runs Rough or is Not Stable3017
S-8 Engine Lacks Power3018
S-9 KDPF Becomes Clogged in a Short Time3020
S-10 Engine Oil Consumption is Excessive3022
S-11 Oil Becomes Dirty Quickly3023
S-12 Fuel Consumption is Excessive3024
S-13 Oil is in Coolant (or Coolant Spurts Back or Coolant3025
S-14 Oil Pressure Drops3026
S-15 Fuel Mixes Into Engine Oil3028
S-16 Water Mixes Into Engine Oil (Milky)3029
S-17 Coolant Temperature Increases Too High (Overheating)3030
S-18 Unusual Noise is Heard3031
S-19 Vibration is Excessive3032
S-20 Air Cannot be Bled from Fuel Circuit3033
S-21 Active Regeneration is Done Frequently3034
S-22 Active Regeneration Continues Long3036
S-23 White Smoke is Exhausted During Active Regeneration3037
S-24 DEF Consumption is Excessive3038
S-25 There is Unusual Smell (Irritating Odor)3040
S-26 Foreign Materials Enter DEF (DEF Increases)3041
50 Disassembly and Assembly3043
Table of Contents3044
Precautions Before Work3050
Related Information on Disassembly and Assembly3051
How to Read This Manual3051
Coating Materials List3052
Special Tool List3057
Sketches of Special Tools3069
Engine and Cooling System3075
Remove and Install Supply Pump Assembly3075
Remove Supply Pump Assembly3075
Install Supply Pump Assembly3078
Remove and Install Injector Assembly3082
How to Remove Injector Assembly3082
How to Install Injector Assembly3087
Remove and Install Cylinder Head Assembly3095
How to Remove Cylinder Head Assembly3096
How to Install Cylinder Head Assembly3105
Remove and Install EGR Valve Assembly3121
Remove EGR Valve Assembly3121
Install EGR Valve Assembly3122
Remove and Install EGR Cooler Assembly3125
How to Remove EGR Cooler Assembly3125
How to Install EGR Cooler Assembly3128
Remove and Install Starter Assembly3133
Remove Starting Motor Assembly3133
Install Starting Motor Assembly3135
Remove and Install Alternator Belt3137
Remove Alternator Belt3137
Install Alternator Belt3140
Remove and Install Radiator Assembly3142
How to Remove Radiator Assembly3142
How to Install Radiator Assembly3146
Remove and Install Hydraulic Oil Cooler Assembly3150
How to Remove Hydraulic Oil Cooler Assembly3151
How to Install Hydraulic Oil Cooler Assembly3156
Remove and Install Aftercooler Assembly3161
Remove Aftercooler Assembly3161
Install Aftercooler Assembly3163
Remove and Install Engine and Main Pump Assembly3165
Remove Engine and Main Pump Assembly3167
Install Engine and Main Pump Assembly3177
Remove and Install Engine Front Oil Seal3190
How to Remove Engine Front Oil Seal3190
How to Install Engine Front Oil Seal3194
Remove and Install Engine Rear Oil Seal3199
How to Remove Engine Rear Oil Seal3199
How to Install Engine Rear Oil Seal3200
Remove and Install Fuel Cooler Assembly3203
Remove Fuel Cooler Assembly3203
Install Fuel Cooler Assembly3204
Remove and Install Engine Hood Assembly3205
How to Remove Engine Hood Assembly3205
How to Install Engine Hood Assembly3207
Remove and Install Fuel Tank Assembly3213
Remove Fuel Tank Assembly3214
Install Fuel Tank Assembly3218
Remove and Install DEF Tank Assembly3224
How to Remove DEF Tank Assembly3224
How to Install DEF Tank Assembly3229
Remove and Install DEF Tank Sensor Flange Assembly3235
How to Remove DEF Tank Sensor Flange Assembly3235
How to Install DEF Tank Sensor Flange Assembly3240
Remove and Install DEF Tank Sensor3246
Remove DEF Tank Sensor3246
Install DEF Tank Sensor3246
Remove and Install DEF Tank Strainer3253
Remove DEF Tank Strainer3253
Install DEF Tank Strainer3253
Remove and Install DEF Tank Filler Port Filter3254
Remove DEF Tank Filler Port Filter3254
Install DEF Tank Filler Port Filter3256
Remove and Install KDPF Assembly3259
How to Remove KDPF Assembly3259
How to Install KDPF Assembly3261
Disassemble and Assemble KDPF Assembly3263
Disassemble KDPF Assembly3264
Assemble KDPF Assembly3267
Remove and Install SCR Assembly3272
How to Remove SCR Assembly3272
How to Install SCR Assembly3274
Remove and Install KDPF and SCR Assembly3276
How to Remove KDPF and SCR Assembly3276
Install KDPF and SCR Assembly3283
Remove and Install KDPF and SCR Assembly Bracket3289
Remove KDPF and SCR Assembly Bracket3289
Install KDPF and SCR Assembly Bracket3296
Remove and Install Bellows Pipe Assembly3304
How to Remove Bellows Pipe Assembly3304
How to Install Bellows Pipe Assembly3306
Remove and Install KCCV Assembly3310
Remove KCCV Assembly3310
Install KCCV Assembly3312
Remove and Install DEF Mixing Tube3317
Remove DEF Mixing Tube3317
Install DEF Mixing Tube3323
Remove and Install DEF Injector3329
Remove DEF Injector3329
Install DEF Injector3332
Remove and Install DEF Pump3335
Remove DEF Pump3335
Install DEF Pump3338
Remove and Install DEF Hose3342
Remove DEF Hose3342
Install DEF Hose3350
Remove and Install Air Cleaner Assembly3356
Remove Air Cleaner Assembly3356
Install Air Cleaner Assembly3357
Remove and Install Air Conditioner Compressor Assembly3359
Remove Air Conditioner Compressor Assembly3359
How to Install Air Conditioner Compressor Assembly3361
Remove and Install Air Conditioner Condenser Assembly3365
How to Remove Air Conditioner Condenser Assembly3365
How to Install Air Conditioner Condenser Assembly3366
Power Train3367
Remove and Install Travel Motor and Final Drive Assembly3367
Remove Travel Motor and Final Drive Assembly3367
Install Travel Motor and Final Drive Assembly3368
Disassemble and Assemble Final Drive Assembly3369
Disassemble Final Drive Assembly3369
Assemble Final Drive Assembly3373
Remove and Install Swing Motor and Swing Machinery Assembly3382
Remove Swing Motor and Swing Machinery Assembly3382
Install Swing Motor and Swing Machinery Assembly3384
Disassemble and Assemble Swing Machinery Assembly3388
Disassemble Swing Machinery Assembly3388
Assemble Swing Machinery Assembly3392
Remove and Install Swing Circle Assembly3399
Remove Swing Circle Assembly3399
Install Swing Circle Assembly3399
Undercarriage and Frame3401
Separate and Connect Track Assembly3401
Separate Track Assembly3401
Install Track Assembly3403
Remove and Install Sprocket3406
Remove Sprocket3406
Install Sprocket3406
Remove and Install Idler and Idler Cushion Assembly3408
Remove Idler and Idler Cushion Assembly3408
Install Idler and Idler Cushion Assembly3409
Disassemble and Assemble Idler Assembly3410
Disassemble Idler Assembly3410
Assemble Idler Assembly3411
Disassemble and Assemble Idler Cushion Assembly3415
Disassemble Idler Cushion Assembly3416
Assemble Idler Cushion Assembly3417
Disassemble and Assemble Track Roller Assembly3418
Disassemble Track Roller Assembly3419
Assemble Track Roller Assembly3420
Disassemble and Assemble Carrier Roller Assembly3422
Disassemble Carrier Roller Assembly3422
Assemble Carrier Roller Assembly3423
Remove and Install Revolving Frame Assembly3426
Remove Revolving Frame Assembly3426
Install Revolving Frame Assembly3428
Remove and Install Counterweight Assembly3430
Remove Counterweight Assembly3430
Install Counterweight Assembly3433
Hydraulic System3437
Remove and Install Center Swivel Joint Assembly3437
Remove Center Swivel Joint Assembly3437
Install Center Swivel Joint Assembly3439
Disassemble and Assemble Center Swivel Joint Assembly3442
Disassemble Center Swivel Joint Assembly3443
Assemble Center Swivel Joint Assembly3444
Remove and Install Hydraulic Tank Assembly3445
Remove Hydraulic Tank Assembly3446
How to Install Hydraulic Tank Assembly3448
Remove and Install Main Pump Assembly3452
Remove Main Pump Assembly3452
Install Main Pump Assembly3455
Remove and Install Junction Block Assembly for Intelligent Machine Control3459
Remove Junction Block Assembly for Intelligent Machine Control3460
Install Junction Block Assembly for Intelligent Machine Control3464
Remove and Install Pressure Sensor for Intelligent Machine Control3469
How to Remove Pressure Sensor for Intelligent Machine Control3469
How to Install Pressure Sensor for Intelligent Machine Control3471
Remove and Install Boom Spool Stroke Sensor3473
How to Remove Boom Spool Stroke Sensor3473
How to Install Boom Spool Stroke Sensor3474
Remove and Install Arm Spool Stroke Sensor3475
How to Remove Arm Spool Stroke Sensor3475
How to Install Arm Spool Stroke Sensor3476
Remove and Install Junction Block Bypass Adapter for Intelligent Machine Control3477
How to Remove Junction Block Bypass Adapter for Intelligent Machine Control3478
How to Remove Junction Block Bypass Adapter for Intelligent Machine Control3479
Remove and Install Control Valve Assembly3481
How to Remove Control Valve Assembly3483
How to Install Control Valve Assembly3491
Disassemble and Assemble Control Valve Assembly3501
Replace Pressure Compensation Valve Seal Ring3501
Assemble Control Valve Assembly3502
Disassemble and Assemble Work Equipment PPC Valve Assembly3506
Disassemble Work Equipment PPC Valve Assembly3506
How to Assemble Work Equipment PPC Valve Assembly3506
Disassemble and Assemble Travel PPC Valve Assembly3508
Disassemble Travel PPC Valve Assembly3508
How to Assemble Travel PPC Valve Assembly3509
Work Equipment3511
Remove and Install Work Equipment Assembly3511
Remove Work Equipment Assembly3512
Install Work Equipment Assembly3517
Disassemble and Assemble Stroke Sensing Boom Cylinder Assembly3523
How to Disassemble Stroke Sensing Boom Cylinder Assembly3524
How to Assemble Stroke Sensing Boom Cylinder Assembly3530
Disassemble and Assemble Stroke Sensing Arm Cylinder Assembly3538
How to Disassemble Stroke Sensing Arm Cylinder Assembly3539
How to Assemble Stroke Sensing Arm Cylinder Assembly3545
Disassemble and Assemble Stroke Sensing Bucket Cylinder Assembly3555
How to Disassemble Stroke and Reset Sensing Bucket Cylinder Assembly3556
How to Assemble Stroke and Reset Sensing Bucket Cylinder Assembly3562
CAB Related Parts3572
Remove and Install Operator Cab Assembly3572
How to Remove Operator Cab Assembly3572
Install Operator CAB Assembly3583
Remove and Install Operator Cab Glass (Adhered Glass)3595
Remove Operator CAB Glass (Adhered Glass)3597
Install Operator CAB Glass (Adhered Glass)3597
Remove and Install Front Window Assembly3607
Remove Front Window Assembly3607
Install Front Window Assembly3610
Remove and Install Floor Frame Assembly3616
How to Remove Floor Frame Assembly3616
How to Install Floor Frame Assembly3623
Remove and Install Air Conditioner Unit Assembly3632
Remove Air Conditioner Unit Assembly3632
Install Air Conditioner Unit Assembly3640
Remove and Install Operator Seat3648
Remove Operator’s Seat3648
Install Operator’s Seat3650
How to Remove and Install Seat Belt3654
How to Remove Seat Belt3654
How to Install Seatbelt3654
Remove and Install Work Equipment Control Lever Assembly3656
How to Remove Work Equipment Control Lever Assembly3656
How to Install Work Equipment Control Lever Assembly3662
Remove and Install Front Wiper Assembly3671
Remove Front Wiper Assembly3671
Install Front Wiper Assembly3677
Electrical System3686
Remove and Install Engine Controller Assembly3686
Remove Engine Controller Assembly3686
Install Engine Controller Assembly3687
Remove and Install Pump Controller Assembly3689
Remove Pump Controller Assembly3689
Install Pump Controller Assembly3694
Remove and Install Work Equipment Controller Assembly3701
Remove Work Equipment Controller Assembly3701
Install Work Equipment Controller Assembly3703
Remove and Install KomVision Controller Assembly3706
Remove KomVision Controller Assembly3706
Install KomVision Controller Assembly3707
Remove and Install Machine Monitor Assembly3709
Remove Machine Monitor Assembly3709
Install Machine Monitor Assembly3712
Remove and Install Pump Swash Plate Sensor3716
Remove Pump Swash Plate Sensor3716
Install Pump Swash Plate Sensor3717
Remove and Install Mass Air Flow and Temperature Sensor3718
How to Remove Mass Air Flow and Temperature Sensor3718
How to Install Mass Air Flow and Temperature Sensor3718
Remove and Install KCCV Crankcase Pressure Sensor3720
How to Remove KCCV Crankcase Pressure Sensor3720
How to Install KCCV Crankcase Pressure Sensor3721
Remove and Install SCR Temperature Sensor3722
Remove SCR Temperature Sensor3722
Install SCR Temperature Sensor3724
Remove and Install KomVision Camera3727
Remove KomVision Camera3727
Install KomVision Camera3730
Remove and Install Gateway Controller Assembly3733
Remove Gateway Controller Assembly3734
Install Gateway Controller Assembly3740
Remove and Install Communication Terminal Wiring Harness3748
Remove Communication Terminal Wiring Harness3749
Install Communication Terminal Wiring Harness3759
Remove and Install Communication Terminal3771
Remove Communication Terminal3771
Install Communication Terminal3773
Remove and Install ICT Sensor Controller Assembly3775
Remove ICT Sensor Controller Assembly3775
Install ICT Sensor Controller Assembly3778
Remove and Install Junction Harness of Control Box3781
How to Remove Junction Harness of Control Box3781
How to Install Junction Harness of Control Box3783
Remove and Install Control Box Harness3786
Remove Control Box Harness3786
Install Control Box Harness3786
Remove and Install GNSS Receiver3787
Remove GNSS Receiver3787
Install GNSS Receiver3787
Remove and Install GNSS Receiver Antenna3789
How to Remove GNSS Receiver Antenna3789
How to Install GNSS Receiver Antenna3790
Remove and Install Network Modem Antenna3792
Remove Network Modem Antenna3792
Install Network Modem Antenna3792
Remove and Install GNSS Antenna3794
Remove GNSS Antenna3794
Install GNSS Antenna3795
Remove and Install IMU Sensor3796
Remove IMU Sensor3796
Install IMU Sensor3796
60 Maintenance Standard3797
Table of Contents3798
Engine and Cooling System3799
Maintenance Standard for Engine Mount3799
Maintenance Standard for Cooling System3800
Power Train3801
Maintenance Standard for Swing Circle3801
Maintenance Standard for Swing Machinery3802
Maintenance Standard for Final Drive3804
Maintenance Standard for Sprocket3806
Maintenance Standard for Sprocket Tooth Profile Full-Scale Drawing3807
Undercarriage and Frame3808
Maintenance Standard for Track Frame and Idler Cushion3808
Maintenance Standard for Idler3810
Maintenance Standard for Track Roller3812
Maintenance Standard for Carrier Roller3814
Maintenance Standard for Track Shoes3815
Maintenance Standard for Triple Shoes3818
Hydraulic System3819
Maintenance Standard for Hydraulic Tank3819
Maintenance Standard for Main Pump3820
Maintenance Standard for LS-EPC Valve3821
Maintenance Standard for PC-EPC Valve3822
Maintenance Standard for Swing Motor3823
Maintenance Standard for Travel Motor3826
Maintenance Standard for Control Valve3829
Maintenance Standard for Work Equipment and Swing PPC Valve3840
Maintenance Standard for Travel PPC Valve3843
Maintenance Standard for 1st-Line Attachment PPC Valve (with EPC Valve)3846
Maintenance Standard for EPC Valve of 1st-Line Attachment PPC Valve3847
Maintenance Standard for 2nd-Line Attachment PPC Valve3849
Maintenance Standard for Solenoid Valve3851
Maintenance Standard for Attachment Circuit Selector Valve (For High Pressure)3852
Maintenance Standard for Attachment Circuit Selector Valve (For Low Pressure)3853
Maintenance Standard for Center Swivel Joint3854
Work Equipment3855
Maintenance Standard for Work Equipment Linkage3855
Dimensions of Arm3860
Dimensions of Bucket3862
Maintenance Standard for Boom Cylinder3864
Maintenance Standard for Stroke Sensing Boom Cylinder3865
Maintenance Standard for Stroke Sensing Arm Cylinder3867
Maintenance Standard for Stroke and Reset Sensing Bucket Cylinder3869
Maintenance Standard for Stroke Sensor for Boom Cylinder3871
Maintenance Standard for Stroke Sensor for Arm Cylinder3872
Maintenance Standard for Stroke and Reset Sensor for Bucket Cylinder3873
80 Appendix3875
Table of Contents3876
Precautions Before Work3878
Air Conditioner System3879
Precautions for Refrigerant3879
Air Conditioner Component3880
Specifications of Air Conditioner3882
Structure and Function of Refrigeration Cycle3883
Outline of Refrigeration Cycle3884
Component Parts of Air Conditioner System3886
Air Conditioner Unit3886
Configuration Diagram of Air Conditioner Unit3886
Function of Air Conditioner Unit3888
Component Parts of Air Conditioner Unit3890
Function of Evaporator as Air Conditioner Unit Component3891
Function of Heater Core as Air Conditioner Unit Component3891
Function of Evaporator Temperature Sensor as Air Conditioner Unit Component3891
Function of Servo Motor as Air Conditioner Unit Component3891
Structure of Expansion Valve as Air Conditioner Unit Component3892
Function of Expansion Valve as Air Conditioner Unit Component3892
Operate Expansion Valve as Air Conditioner Unit Component3892
Function of Dual Pressure Switch3893
Air Conditioner Controller3894
Structure of Air Conditioner Controller3894
Compressor3895
Structure of Compressor3895
Specifications of Compressor3895
Function of Compressor3895
Condenser3896
Structure of Condenser3896
Specifications of Condenser3896
Function of Condenser3896
Air Conditioner Related Sensors3898
Structure of Sunlight Sensor3898
Function of Sunlight Sensor3898
Structure of Outside Temperature Sensor3898
Function of Outside Air Temperature Sensor3898
Explanation of Procedure for Test of and Troubleshooting of Air Conditioner3900
Circuit Diagram and Configuration of Connector Pins of Air Conditioner3902
System Diagram of Air Conditioner3904
Input and Output Signals of Air Conditioner Controller3905
Function of Air Conditioner Controller3906
Examine Air Leakage (Duct)3907
How to Examine Air Leakage (Duct)3907
Examine Air Conditioner with Self-Diagnosis Function3908
Open the Electrical System Abnormality Record Screen in Service Mode of Machine Monitor3909
Examine Vent (Mode) Changeover3910
How to Examine Vent (Mode) Changeover3910
Examine Fresh/Recirc Air Changeover3911
How to Examine Fresh/Recirc Air Changeover3911
Examine Sunlight Sensor3912
How to Examine Sunlight Sensor3912
Examine Refrigerant (Dual) Pressure Switch3913
How to Examine Refrigerant (Dual) Pressure Switch3913
Examine Relay3914
How to Examine Relay3914
Air Conditioner Troubleshooting Chart 13915
Air Conditioner Troubleshooting Chart 23916
Information Shown in Troubleshooting Table3919
Failure Code [879AKA]3920
Failure Code [879AKB]3921
Failure Code [879BKA]3922
Failure Code [879BKB]3924
Failure Code [879CKA]3926
Failure Code [879CKB]3927
Failure Code [879DKZ]3928
Failure Code [879EMC]3930
Failure Code [879FMC]3931
Failure Code [879GKX]3932
A-1 Troubleshooting for Power Supply System (Air Conditioner Does Not Operate)3934
A-2 Troubleshooting for Compressor and Refrigerant System (Air is Not Cooled)3936
A-3 Troubleshooting for Blower Motor System (No Air Comes Out or Air Flow is Abnormal)3939
A-4 Troubleshooting for Fresh/Recirc Air Changeover3941
Troubleshooting by Gauge Pressure3943
Connect Service Tool3946
How to Connect Service Tool3946
Precautions for Disconnection and Connection of Air Conditioner Piping3948
Handle Compressor Oil3950
Replace Desiccant3952
90 Circuit Diagrams3955
Table of Contents3956
How to Read the Codes for Electric Cable3957
Hydraulic Circuit Diagram3961
Symbols Used in Hydraulic Circuit Diagram3961
Hydraulic Circuit Diagram (1/3)3965
Hydraulic Circuit Diagram (2/3)3967
Hydraulic Circuit Diagram (3/3)3969
Electrical Circuit Diagram3971
Symbols Used in Electric Circuit Diagram3971
Electrical Circuit Diagram (1/14)3975
Electrical Circuit Diagram (2/14)3977
Electrical Circuit Diagram (3/14)3979
Electrical Circuit Diagram (4/14)3981
Electrical Circuit Diagram (5/14)3983
Electrical Circuit Diagram (6/14)3985
Electrical Circuit Diagram (7/14)3987
Electrical Circuit Diagram (8/14)3989
Electrical Circuit Diagram (9/14)3991
Electrical Circuit Diagram (10/14)3993
Electrical Circuit Diagram (11/14)3995
Electrical Circuit Diagram (12/14)3997
Electrical Circuit Diagram (13/14)3999
Electrical Circuit Diagram (14/14)4001
Index4003

S.M 29/12/24