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WA250-6
Komatsu WA250-6 Shop Manual
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SEN03834-01
WA250, 2
50PZ-6
10-920
35
920 Electrica
l system, Part 2
Sensor
Sensor
1
Speed s
ensor
1. Hall IC
2. Circui
t board
3. O-r
ing
4. Ho
using
5. Heat
shrink tu
be
6. Prot
ective tu
be
7. Lead wi
re
8. Connec
tor
Function
q
The spe
ed sen
sor is installed
on the trans
fer case. It
generates
two different ty
pes of puls
es depen
ding
on the ro
tational dir
ection an
d speed o
f the gea
r
.
365
367
Table of Contents
Table of Contents
5
Wa250Pz-6
16
200 Foreword and General Information
17
Safety Notice
17
How to Read the Shop Manual
22
Explanation of Terms for Maintenance Standard
24
Handling of Electric Equipment and Hydraulic Component
26
Handling of Connectors Newly Used for Engines
35
How to Read Electric Wire Code
38
Precautions When Carrying out Operation
41
Method of Disassembling and Connecting Push-Pull Type Coupler
44
Standard Tightening Torque Table
47
Conversion Table
51
Specification
58
100 Specification and Technical Data
59
Specification Dimension Drawing
60
Specifications
61
Weight Table
65
Table of Fuel, Coolant and Lubricants
67
Table of Fuel, Coolant and Lubricants
68
Structure, Function and Maintenance Standard
70
100 Engine and Cooling System
71
Engine Mount and Transfer Mount
71
Damper
72
Cooling System
73
Cooling System Hydraulic Piping Diagram
74
Cooling Fan Motor
76
Structure, Function and Maintenance Standard
86
200 Power Train
87
Power Train
88
Power Train System Diagram
89
Drive Shaft
91
HST Hydraulic Piping Diagram
92
HST Pump
93
HST Motor
101
Transfer
107
Clutch Solenoid Valve
118
Axle
119
Differential
121
Torque Proportioning Differential
126
Limited Slip Differential
129
Final Drive
133
Structure, Function and Maintenance Standard
140
Steering Piping Diagram
142
Steering Column
143
Priority Valve
144
Orbit-Roll Valve
147
2-Way Restrictor Valve
155
Cushion Valve
156
Steering Cylinder
157
Emergency Steering Piping Diagram
159
Emergency Steering Valve
160
Steering Relief Valve
163
Wa250Pz-6
166
Brake Piping Diagram
168
Charge Valve
169
Brake Valve
173
Inching Valve
177
Accumulator (for Brake)
178
Slack Adjuster
179
Brake
181
Parking Brake Control
186
Parking Brake
187
Structure, Function and Maintenance Standard
190
Undercarriage and Frame SEN03829-00
190
Axle Mount and Center Hinge Pin
191
Tires
196
Structure, Function and Maintenance Standard
198
600 Hydraulic System
199
Work Equipment Hydraulic Piping Diagram
199
Work Equipment Control Lever Linkage
203
Hydraulic Tank
207
4-Gear Pump
209
Work Equipment Control Valve
211
PPC Valve
236
Lock Valve
251
Accumulator (for PPC Circuit)
252
Bypass Valve
253
Quick Coupler Solenoid Valve
256
ECSS Valve
257
Accumulator (for ECSS)
259
Structure, Function and Maintenance Standard
262
700 Work Equipment
263
Work Equipment Linkage
263
Bucket
264
Bucket Positioner and Boom Kick-Out
271
Work Equipment Cylinder
284
Cab and Its Attachments SEN03832-00
288
Structure, Function and Maintenance Standard
288
Cab
290
Air Conditioner
291
Electrical System, Part
304
Structure, Function and Maintenance Standard
304
Machine Monitor System
305
Machine Monitor
309
Electrical System, Part
310
Structure, Function and Maintenance Standard
332
Electrical System (HST Controller System)
333
Electrical System, Part
333
HST Controller
349
ECSS System
351
KOMTRAX System
353
Engine Starting Circuit
355
Engine Stopping Circuit
357
Preheating Circuit
358
Automatic Warm-Up Function
359
Engine Output Derating Function
359
Parking Brake Circuit
360
Coupler Plunger Control System
363
Multi-Function Knob
364
Max. Traction Switch
365
Sensor
366
20 Standard Value Table
374
Standard Service Value Table SEN03835-00
374
Standard Service Value Table for Engine
375
Standard Service Value Table for Chassis
376
Wa250Pz-6
384
Testing and Adjusting 110 Testing and Adjusting, Part
384
Tools for Testing, Adjusting, and Troubleshooting
387
Sketches of Special Tools
392
Measuring Engine Speed
393
Measuring Exhaust Gas Color
395
Adjusting Valve Clearance
397
Measuring Compression Pressure
399
Measuring Blow-By Pressure
402
Measuring Engine Oil Pressure
403
Measuring Intake Air (Boost) Pressure
404
Handling Fuel System Equipment
406
Releasing Residual Pressure in Fuel System
406
Measuring Fuel Pressure
407
Measuring Fuel Return Rate and Leakage
409
Bleeding Air from Fuel Circuit
413
Testing Leakage in Fuel System
414
Handling No-Injection Cranking Operation
415
Handling Reduced Cylinder Mode Operation
415
Check of Muffler and Muffler Stack for Looseness and Damage
416
Handling Controller Voltage Circuit
416
Check of Installed Condition of Cylinder Head and Manifolds
417
Check of Muffler Function
417
Check of Engine Piping for Damage and Looseness
418
Testing and Adjusting Air Conditioner Compressor Belt Tension
418
Replacing Alternator Belt
419
Wa250Pz-6
422
Testing and Adjusting, Part
422
Checking Operating Force of Accelerator Pedal
424
Checking Directional Lever
425
Testing and Adjusting HST Oil Pressure
426
Testing Clutch Control Pressure
430
Testing and Adjusting Steering Wheel
431
Testing and Adjusting Steering Oil Pressure
433
Bleeding Air from Steering Circuit
435
Testing Hydraulic Fan
436
Measuring Brake Pedal
438
Testing and Adjusting Brake Pedal Linkage
439
Measuring Brake Performance
440
Testing and Adjusting Accumulator Charge Pressure
441
Testing Wheel Brake Oil Pressure
443
Testing Wear of Brake Disc
446
Bleeding Air from Wheel Brake Circuit
447
Releasing Residual Pressure in Brake Accumulator Circuit
448
Testing Parking Brake Performance
449
Testing and Adjusting Parking Brake Control Cable
450
Measuring and Adjusting Work Equipment Control Lever
451
Testing and Adjusting Work Equipment Hydraulic Pressure
452
Testing Work Equipment PPC Oil Pressure
453
Bleeding Air from Hydraulic Circuit
455
Releasing Remaining Pressure in Hydraulic Circuit
456
Testing and Adjusting Bucket Positioner
457
Testing and Adjusting of Boom Kick-Out Switch
458
Checking Proximity Switch Operation Pilot Lamp
459
Procedure for Testing Diodes
460
Preparation Work for Troubleshooting for Electric System
462
Starting KOMTRAX Terminal Operations
466
Indicator Lamps of KOMTRAX Terminal
470
Testing and Adjusting, Part
474
Adjusting Machine Monitor
475
Adjusting Replaced, Reassembled or Added Sensor, Controller, Etc. with Machine Monitor
476
Special Functions of Machine Monitor (EMMS)
479
Pm Clinic Inspection Chart
532
40 Troubleshooting
536
Failure Codes Table
537
Fuse Locations
543
Wa250Pz-6
548
General Information on Troubleshooting
549
Points to Remember When Troubleshooting
549
Troubleshooting
549
Sequence of Events in Troubleshooting
550
Testing before Troubleshooting
551
Classification and Procedures of Troubleshooting
552
Information Contained in Troubleshooting Table
555
Connection Table for Connector Pin Numbers
557
T- Branch Box and T- Branch Adapter Table
593
Troubleshooting by Failure Code (Display of Code), Part
598
Failure Code [2G40GZ] Brake: Oil Pressure Reduction
599
Failure Code [6091NX] HST Filter: Clogging
601
Failure Code [989FN1] Travel Speed: Overrun Alarm
603
Failure Code [AB00L6] Alternator R System: Hot Short
605
Failure Code [AB00MA] Alternator R System: Ground Fault/Disconnection Charge/Low Charge Voltage
607
Failure Code [B@BAZG] Engine: Oil Pressure Reduction
609
Failure Code [B@BCNS] Engine: Overheat
610
Failure Code [B@BCZK] Engine: Low Coolant Level
611
Failure Code [B@C6NS] Front Brake: High Oil Temperature
613
Failure Code [B@CRNS] HST: High Oil Temperature
614
Troubleshooting by Failure Code (Display of Code), Part
616
Failure Code [CA111] Abnormality in Engine Controller
618
Failure Code [CA115] Engine Ne or Bkup Speed Sensor Error
619
Failure Code [CA122] Charge Pressure Sensor High Error
621
Failure Code [CA123] Charge Pressure Sensor Low Error
623
Failure Code [CA131] Throttle Sensor High Error
625
Failure Code [CA132] Throttle Sensor Low Error
627
Failure Code [CA144] Coolant Sensor High Error
629
Failure Code [CA145] Coolant Sensor Low Error
631
Failure Code [CA153] Charge Temperature Sensor High Error
633
Failure Code [CA154] Charge Temperature Sensor Low Error
635
Failure Code [CA155] Derating of Speed by Abnormally High Charge Temperature
637
Failure Code [CA187] Sensor Power Supply 2 Low Error
639
Failure Code [CA221] Atmospheric Pressure Sensor High Error
641
Failure Code [CA222] Atmospheric Sensor Low Error
643
Failure Code [CA227] Sensor Power Supply 2 High Error
645
Failure Code [CA234] Engine Overspeed
646
Failure Code [CA238] Ne Speed Sensor Power Supply Error
647
Failure Code [CA271] IMV (IMA) Short Circuit
648
Failure Code [CA272] IMV (IMA) Disconnection
649
Failure Code [CA322] Injector #1 Open/Short Error
651
Failure Code [CA323] Injector #5 Open/Short Error
653
Failure Code [CA324] Injector #3 Open/Short Error
655
Failure Code [CA325] Injector #6 Open/Short Error
657
Failure Code [CA331] Injector #2 Open/Short Error
659
Failure Code [CA332] Injector #4 Open/Short Error
661
Failure Code [CA342] Calibration Code Inconsistency
663
Failure Code [CA351] Injectors Drive Circuit Error
665
Failure Code [CA352] Sensor Power Supply 1 Low Error
667
Failure Code [CA386] Sensor Power Supply 1 High Error
669
Troubleshooting by Failure Code (Display of Code), Part
672
Failure Code [CA428] Abnormally High Level in Water Sensor
675
Failure Code [CA429] Abnormally Low Level in Water Sensor
677
Failure Code [CA431] Idle Validation Switch Error
679
Failure Code [CA432] Idle Validation Action Error
683
Failure Code [CA435] Engine Oil Pressure Switch Error
687
Failure Code [CA441] Battery Voltage Low Error
688
Failure Code [CA442] Battery Voltage High Error
691
Failure Code [CA449] Common Rail Pressure High Error 2
693
Failure Code [CA451] Common Rail Pressure Sensor High Error
695
Failure Code [CA452] Common Rail Pressure Sensor Low Error
697
Failure Code [CA488] Derating of Torque by Abnormally High Charge Temperature
699
Failure Code [CA553] Common Rail Pressure High Error 1
700
Failure Code [CA559] Supply Pump Pressure very Low Error
701
Failure Code [CA689] Engine Ne Speed Sensor Error
703
Failure Code [CA731] Engine Bkup Speed Sensor Phase Error
705
Failure Code [CA757] All Continuous Data Lost Error
706
Failure Code [CA778] Engine Bkup Speed Sensor Error
709
Failure Code [CA1633] KOMNET Datalink Timeout Error
711
Failure Code [CA2185] Throttle Sensor Supply Voltage High Error
715
Failure Code [CA2186] Throttle Sensor Power Supply Low Error
717
Failure Code [CA2249] Supply Pump Pressure very Low Error 2
719
Failure Code [CA2311] Abnormality in IMV (IMA) Solenoid
721
Failure Code [CA2555] Intake Heater Relay Disconnection Error
723
Failure Code [CA2556] Intake Heater Relay Short Circuit Error
725
Troubleshooting by Failure Code (Display of Code), Part
728
Failure Code [D160KY] Backup Alarm/Lamp Relay 1 Circuit: Hot Short
729
Failure Code [D192KY] ECSS Solenoid Relay: Hot Short
731
Failure Code [D1B0KA] HST Safety Relay: Disconnection
733
Failure Code [D1B0KB] HST Safety Relay: Ground Fault
735
Failure Code [D1B0KY] HST Safety Relay: Hot Short
737
Failure Code [D5ZHL6] IGN C System: Ground Fault/Disconnection
739
Failure Code [DAF3KK] UNSW Power Supply: Ground Fault/Disconnection
741
Failure Code [DAFRKR] Machine Monitor CAN-NET Signal: Disconnection
743
Failure Code [DAJ0KK] HST Controller Power Supply: Low Voltage
747
Failure Code [DAJ0KT] HST Controller Memory (EEPROM): Abnormality
749
Failure Code [DAJ1L4] HST Controller Main Power Line: Disconnection/Ground Fault
751
Failure Code [DAJ1L6] HST Controller Main Power Line: Hot Short
753
Failure Code [DAJ2KK] Controller Solenoid Power Supply: Low Voltage
755
Failure Code [DAJ2L3] HST Controller Load Power Supply Holding Line: Hot Short in Wiring Harness
757
Failure Code [DAJ2L4] HST Controller Load Power Supply Holding Line: Disconnection/Ground Fault
759
Failure Code [DAJ5KX] Sensor 5V Power Supply: out of Output Range
761
Failure Code [DAJ9KQ] HST Controller Model Selection: Disagreement of Model Selection Signals
763
Failure Code [DAJRKR] HST Controller CAN-NET Signal: Disconnection
764
Failure Code [DAJRMA] HST Controller: Disagreement in Option Selection
770
Troubleshooting by Failure Code (Display of Code), Part
772
Failure Code [DB2RKR] Engine Controller CAN-NET: Disconnection in Signal Line
774
Failure Code [DD1NL4] Fan Automatic Reverse Switch Signal: Abnormality
779
Failure Code [DD1NLD] Fan Reverse Switch Signal: Abnormality
781
Failure Code [DDB6KA] Parking Brake Switch A: Disconnection/Hot Short
783
Failure Code [DDB6KB] Parking Brake Switch B: Ground Fault
785
Failure Code [DDB6KZ] Parking Brake Switch (Bottom Switch) or Parking Brake Reminder Switch (Intermediate Switch): Trouble
787
Failure Code [DDB6L0] Parking Brake Switch A: Ground Fault
789
Failure Code [DDB6L4] Parking Brake Switch B: Disconnection/Hot Short
791
Failure Code [DDD7KX] Travel Speed Control Dial Signal: Disconnection/Ground Fault
793
Failure Code [DDD7KY] Travel Speed Control Dial Signal: Hot Short
795
Failure Code [DDE5MA] Emergency Steering Operation Switch: Disconnection
797
Failure Code [DDK3KA] Directional Selector Switch: Disconnection/Hot Short
799
Failure Code [DDK3KB] Directional Selector Switch: Ground Fault
801
Failure Code [DDK6KA] FNR Lever: Disconnection/Ground Fault
803
Failure Code [DDK6KY] FNR Lever: Hot Short
807
Failure Code [DDS5L6] Steering: Low Oil Pressure (Operation of Emergency Steering)
809
Troubleshooting by Failure Code (Display of Code), Part
812
Failure Code [DF10KA] Travel Speed Range Selector Switch: Disconnection/Ground Fault
814
Failure Code [DF10KB] Travel Speed Range Selector Switch: Hot Short
817
Failure Code [DGH1KX] HST Oil Temperature Sensor: Ground Fault
819
Failure Code [DGR2KB] Brake Oil Temperature Sensor: Ground Fault
820
Failure Code [DGR2KZ] Brake Oil Temperature Sensor: Disconnection/Hot Short
821
Failure Code [DHH1KX] HST Oil Pressure Sensor: Disconnection/Ground Fault
823
Failure Code [DHH1KY] HST Oil Pressure Sensor: Hot Short
825
Failure Code [DHTCL6] HST Filter Clogging Sensor: Functional Defect
827
Failure Code [DJF1KA] Fuel Level Sensor: Disconnection/Hot Short
829
Failure Code [DLT3KX] Travel Speed Sensor B: Abnormality
831
Failure Code [DLT4KX] Travel Speed Sensor A: Abnormality
835
Failure Code [DLT4LC] Travel Speed Sensor a & B: Abnormality
837
Failure Code [DV00KY] Alarm Buzzer: Hot Short
839
Failure Code [DW26KA] Motor 2 Solenoid: Disconnection/Ground Fault
841
Failure Code [DW26KY] Motor 2 Solenoid: Hot Short
843
Failure Code [DW7BKY] Fan Reverse Solenoid Circuit: Hot Short
845
Failure Code [DW7BKZ] Fan Reverse Solenoid Circuit: Disconnection/Ground Fault
847
Troubleshooting by Failure Code (Display of Code), Part
850
Failure Code [DX16KA] Fan EPC Solenoid: Disconnection
851
Failure Code [DX16KB] Fan EPC Solenoid: Ground Fault
852
Failure Code [DX16KY] Fan EPC Solenoid: Hot Short
853
Failure Code [DX19KA] Motor 1 Solenoid: Disconnection
855
Failure Code [DX19KB] Motor 1 Solenoid: Ground Fault
857
Failure Code [DX19KY] Motor 1 Solenoid: Hot Short
859
Failure Code [DX20KA] Clutch EPC Solenoid: Disconnection
861
Failure Code [DX20KB] Clutch EPC Solenoid: Ground Fault
863
Failure Code [DX20KY] Clutch EPC Solenoid: Hot Short
865
Failure Code [DXH7KB] Reverse Solenoid: Ground Fault
867
Failure Code [DXH7KZ] Reverse Solenoid: Disconnection/Hot Short
869
Failure Code [DXH8KB] Forward Solenoid: Ground Fault
871
Failure Code [DXH8KZ] Forward Solenoid: Disconnection/Hot Short
873
Failure Code [J141N1] Steering Pump: Overrun Alarm
875
Failure Code [M100N1] HST Pump: Overrun Alarm
875
Failure Code [M400N1] Motor 1: Overrun Alarm
876
E-1 Engine Does Not Start
880
E-2. Preheater Does Not Operate Normally
887
E-3 Defective Boom Kick-Out Function and Cancellation
891
E-4 Defective Bucket Positioner Function and Cancellation
895
E-5 Defective Lift Arm FLOATING Holding Function and Cancellation
899
E-6 Travel Direction Selection System Does Not Function
903
E-7 Wiper Does Not Operate
907
E-8 Windshield Washer Does Not Operate
911
E-9 Headlamp, Clearance Lamp and Tail Lamp Do Not Light up or Go off
915
E-10 Working Lamp Does Not Light up or Go off
923
E-11 Turn Signal Lamp and Hazard Lamp Do Not Light up or Go off
928
E-12 Brake Lamp Does Not Light or It Keeps Lighting up
935
E-13 Backup Lamp Does Not Light or It Keeps Lighting up
937
E-14 Backup Alarm Does Not Sound or It Keeps Sounding
940
E-15 Horn Does Not Sound or It Keeps Sounding
943
E-16 Alarm Buzzer Does Not Sound or It Keeps Sounding
945
E-17 Air Conditioner Does Not Operate or Stop
947
E-18 the KOMTRAX System Does Not Work Properly
950
Method of Using Troubleshooting Chart
956
Failure Code and Cause Table
959
H-1 the Machine Does Not Start
961
H-2 the Travel Speed Is Slow
962
H-3 the Traction Force Is Weak
963
H-4 Engine Stalls When Traveling or Engine Speed Drops Excessively
964
H-5 the Gear Is Not Shifted
965
H-6 the Steering Wheel Does Not Turn
966
H-7 the Steering Wheel Is Heavy
967
H-8 Steering Wheel Shakes or Jerks
968
H-9 Machine Deviates Naturally to One Side When Traveling
968
H-10 the Brake Does Not Work or Does Not Work Well
969
H-11 the Brake Is Not Released or Is Dragged
970
H-12 the Lift Arm Does Not Rise or Lower
971
H-13 the Lift Arm Moves Slowly or the Lift Arm Rising Force Is Insufficient
972
H-14 When Rising, the Lift Arm Comes to Move Slowly at Specific Height
973
H-16 Hydraulic Drifts of the Lift Arm Occur Often
973
H-17 the Lift Arm Wobbles During Operation
973
The Lift Arm Cylinder Cannot Hold down the Bucket (the Bucket Rises in the Air)
973
When the Control Lever Is Switched from "HOLD" to "RAISE," the Lift Arm Falls Temporarily
974
H-19 the Bucket Does Not Tilt Back
975
H-20 the Bucket Moves Slowly or the Tilting-Back Force Is Insufficient
976
H-21 the Bucket Comes to Operate Slowly in the Midst of Tilting-Back
977
H-22 the Bucket Cylinder Cannot Hold down the Bucket
977
H-23 Hydraulic Drifts of the Bucket Occur Often
977
The Bucket Wobbles During Travel with Load (the Work Equipment Valve Is Set to "HOLD")
977
The Control Levers of the Lift Arm and Bucket Do Not Move Smoothly and Heavy
978
When the Control Lever Is Switched from "HOLD" to "TILT," the Bucket Falls Temporarily
978
H-27 the ECSS Does Not Operate and Machine Pitches and Bounces
979
Fan Revolution Is Abnormal (Fan Sound/Vibration Is Abnormally Large or Engine Overheats)
980
Method of Using Troubleshooting Charts
983
S-1 Starting Performance Is Poor
987
S-2 Engine Does Not Start
988
S-3 Engine Does Not Pick up Smoothly
991
S-4 Engine Stops During Operations
992
S-5 Engine Does Not Rotate Smoothly
993
Engine Lacks Output (or Lacks Power)
994
Exhaust Smoke Is Black (Incomplete Combustion)
995
Oil Consumption Is Excessive (or Exhaust Smoke Is Blue)
996
S-9 Oil Becomes Contaminated Quickly
997
S-10 Fuel Consumption Is Excessive
998
Oil Is in Coolant (or Coolant Spurts Back or Coolant Level Goes Down)
999
S-12 Oil Pressure Drops
1000
Oil Level Rises (Entry of Coolant or Fuel)
1001
Coolant Temperature Becomes too High (Overheating)
1002
S-15 Abnormal Noise Is Made
1003
S-16 Vibration Is Excessive
1004
50 Disassembly and Assembly
1006
How to Read this Manual
1007
Coating Materials List
1009
Special Tool List
1012
Sketches of Special Tools
1016
Removal and Installation of Fuel Supply Pump Assembly
1027
Removal and Installation of Fuel Injector Assembly
1029
Removal and Installation of Cylinder Head Assembly
1036
Removal and Installation of Engine Hood Assembly
1049
Removal and Installation of Radiator
1052
Removal and Installation of Air Aftercooler
1055
Removal and Installation of Hydraulic Oil Cooler Assembly
1057
Removal and Installation of Engine Assembly
1059
Removal and Installation of Engine Front Oil Seal Assembly
1065
Removal and Installation of Engine Rear Oil Seal Assembly
1068
Removal and Installation of Cooling Fan and Fan Motor Assembly
1071
Removal and Installation of Fuel Tank Assembly
1074
Power Train, Part
1078
Removal and Installation of Transfer Assembly
1079
Disassembly and Assembly of Transfer Assembly
1083
Removal and Installation of Parking Brake Assembly
1103
Disassembly and Assembly of Parking Brake Assembly
1105
Power Train, Part
1112
Removal and Installation of Front Axle Assembly
1113
Removal and Installation of Rear Axle Assembly
1115
Disassembly and Assembly of Axle Housing Assembly
1118
Disassembly and Assembly of Differential Assembly
1127
Removal and Installation of Center Hinge Pin
1157
Removal and Installation of Counterweight
1167
Removal and Installation of HST Pump and 4-Gear Pump Assembly
1171
Disassembly and Assembly of HST Pump Assembly
1175
Removal and Installation of HST Motor 1 Assembly
1202
Removal and Installation of HST Motor 2 Assembly
1204
Disassembly and Assembly of HST Motor Assembly
1206
Removal and Installation of Work Equipment Control Valve Assembly
1222
Removal and Installation of Hydraulic Tank
1224
Disassembly and Assembly of Hydraulic Cylinder Assembly
1226
Removal and Installation of Work Equipment Assembly
1235
Removal and Installation of Operator's Cab and Floor Frame Assembly
1245
Removal and Installation of Operator's Cab Glass (Stuck Glass)
1250
Removal and Installation of Air Conditioner Unit
1258
Removal and Installation of Monitor Panel
1267
Removal and Installation of Engine Controller Assembly
1269
Removal and Installation of HST Controller Assembly
1270
Removal and Installation of KOMTRAX Terminal Assembly
1271
90 Diagrams and Drawings
1274
Hydraulic Diagrams and Drawings SEN03860-01
1278
Connector List and Stereogram
1280
Electrical Circuit Diagram
1280
Electrical Diagrams and Drawings SEN03861-01
1280
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Operation & Maintenance Manual
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Komatsu WA250-6 Specifications
General
Brand
Komatsu
Model
WA250-6
Category
Compact Loader
Language
English
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