Linkbelt 250X4 MH 250X4 SL Material Handler Service Manual WLSM2507MH-01LX – PDF DOWNLOAD

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Linkbelt 250X4 MH 250X4 SL Material Handler Service Manual WLSM2507MH-01LX – PDF DOWNLOAD

FILE DETAILS:

Linkbelt 250X4 MH 250X4 SL Material Handler Service Manual WLSM2507MH-01LX – PDF DOWNLOAD

Language : English
Pages : 2229
Downloadable : Yes
File Type : PDF
Size: 112 MB

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

Linkbelt 250X4 MH 250X4 SL Material Handler Service Manual WLSM2507MH-01LX – PDF DOWNLOAD

MATERIAL HANDLER 1
SAFETY 9
Safety, general information and standard torque data 12
General Information 13
Safety 13
ROPS 15
Non-ROPS Application 15
Standard Torque Data For Cap Screws And Nuts 16
Bolt and Nut Tightening 16
Removal of Under Cover 17
Protection of Electric/Electronics System During Charging or Welding 20
A LOWER 21
Main Equipment Table 25
Lower Component 25
Travel Unit 25
Take-up roller 25
Upper Roller 25
Lower Roller 25
Recoil spring 25
Shoe 26
Center Joint 26
Main Equipment Structure and Operation Explanation 27
Travel Motor 27
Travel motor operation explanation 27
Explanation of Component Device Operation 27
Double Counter Balance Valve 27
Crossover Relief Valve 32
Automatic 2-speed Switchover Mechanism 34
Parking Brake Function 38
Piston Motor 39
Reduction Gear 40
Port Diagram 42
Travel Motor 42
Center Joint 42
Basic Functions 43
Travel Speed Selection 43
Travel Alarm 44
Removal and Installation of Track 45
Removal and Installation of Shoe Assembly 45
Removal of Shoe Assembly 45
Installation of Shoe Assembly 47
Removal and Installation of Shoe Plate 48
Removal of Shoe Plate 48
Installation of Shoe Plate 48
Precautions for Shoe Bolt Installation 49
Removal and Installation of Roller 50
Removal and Installation of Upper Roller 50
Removal of Upper Roller 50
Installation of Upper Roller 51
Assembly and Disassembly of Upper Roller 52
Configuration Diagram 52
Dimension Diagram 53
Jig Dimension Diagram 53
Disassembly Procedures 54
Assembly Procedures 56
Removal and Installation of Lower Roller 58
Removal of Lower Roller 59
Installation of Lower Roller 59
Assembly and Disassembly of Lower Roller 60
Configuration Diagram 61
Dimension Diagram 61
Jig Dimension Diagram 62
Disassembly Procedures 62
Assembly Procedures 64
Removal and Installation of Drive Sprocket 67
Removal of Drive Sprocket 67
Installation of Drive Sprocket 68
Removal and Installation of Take-up Roller 69
Removal of Take-up Roller 69
Installation of Take-up Roller 70
Assembly and Disassembly of Take-up Roller 71
Configuration Diagram 72
Dimension Diagram 72
Jig Dimension Diagram 73
Disassembly Procedures 73
Assembly Procedures 76
Removal and Installation of Grease Cylinder 79
Removal of Grease Cylinder 79
Installation of grease cylinder 80
Assembly and Disassembly of Tension Shock Absorber 81
Configuration Diagram 81
Dimension Diagram 81
Jig Dimension Diagram 82
Disassembly procedures 82
Assembly procedures 82
Removal and Installation of Center Joint 84
Removal of Center Joint 84
Installation of Center Joint 86
Assembly and Disassembly of Center Joint 88
Configuration Diagram 89
Dimension Diagram 90
Jig Dimension Diagram 91
Disassembly Procedures 91
Assembly Procedures 92
Removal and Installation of Travel Motor 95
Removal of Travel Motor 95
Installation of Travel Motor 97
Assembly and Disassembly of Travel Motor 100
Tools for Assembly and Disassembly 100
Standard tool 100
Secondary Materials 101
Special Tool (jig) 103
Measurement Device 103
Motor Disassembly Procedures 104
Precautions before Motor Disassembly 104
Tightening torque 105
Disassembly Procedure 106
Maintenance Standards 115
Motor Parts Maintenance Standards 115
Reduction Gear Parts Maintenance Standards 118
Motor Assembly Procedures 120
Precautions before Motor Assembly 120
Assembly Procedure 120
Motor Installation 134
Inspection 134
Hydraulic Oil and Gear Oil Filling 135
Initial Pre-conditioning Operation 136
Troubleshooting 137
Structural Diagram 145
Internal Structure Diagram 148
Component Table 150
Maintenance Standards 151
Drive sprocket 151
Take-up roller 152
Upper roller 153
Lower Roller 154
Track Shoe 155
Inspection Gauge 156
For Drive Sprocket 156
For Take-up Roller 156
For Upper Roller 157
For Lower Roller 157
Pressure Measurement and Adjustment Procedures 158
Main Pressure Measurement 158
Travel pressure measurement 158
Drain Volume Measurement Procedures 159
Preparations 159
Travel Motor Drain Volume Measurement 159
Air Bleed Procedure 161
Travel Motor 161
B C SWING UNIT, COUNTERWEIGHT 163
Main Equipment Table 166
Upper Component 166
Swing Unit 166
Main Equipment Structure and Operation Explanation 167
Swing Motor 167
Swing Motor Operation Explanation 167
Hydraulic Motor Section 167
Valve Casing Section 167
Brake Section 168
Relief Valve Operation Explanation (relief valve model: KRD22EK10) 169
Swing Motor Internal Structure Diagram 171
Port Diagram 174
Swing Motor 174
Basic Functions 175
Swing brake 175
Swing Lock 176
Swing Speed Limit 177
Swing Relief Cut 179
Free Swing (Option) 180
Removal and Installation of Swing Unit 181
Removal of Swing Unit 181
Installation of Swing Unit 183
Assembly and Disassembly of Swing Unit 184
Disassembly 184
Assembly 185
Swing Reduction Gear Breakdown Diagram 187
Swing Reduction Gear Structure Diagram 188
Removal and Installation of Counterweight 189
Removal of Counterweight 189
Installation of Counterweight 190
Pressure Measurement and Adjustment Procedures 192
Main Pressure Measurement 192
C Swing Pressure Measurement 192
Drain Volume Measurement Procedures 193
Preparations 193
Swing Motor Drain Volume Measurement 193
Air Bleed Procedure 194
Swing Motor 194
Check 195
H ENGINE 197
Main Equipment Table 205
Engine-related 205
Engine 205
Air Cleaner (double element) 205
Radiator 205
Urea solution tank 205
Basic Functions 206
Fuel Gauge 206
Coolant Temperature Gauge 208
SCR Gauge 210
Fuel Economy Gauge 215
Neutral start 216
Power-cut Delay 217
Preheat 218
Throttle 219
Throttle Volume Position Detection 220
Idle start 225
Auto Idle 226
One-touch Idle 227
Auto Warm-Up 228
Idle Shutdown 233
Idle up 235
Work Mode Control 236
Engine Emergency Stop 237
SCR RE-GEN 238
Inducement 244
Feed Pump Automatic Stop 249
Coolant Level Decrease 251
Air Filter Clogging 252
Fuel Filter Clogging 253
Battery Charge Abnormality 255
Horsepower Reduction Control (in Uplands) 256
Horsepower Reduction Control (at Engine Failure) 257
Main Data 259
Function, Structure, Operation 262
Function, structure, operation (SCR) 324
SCR Control System Inspection 353
Explanation of SCR Operation 354
Diagnosis for Each Symptom 356
Intermittent conditions of urea selective catalytic reduction system 356
Urea fluid consumption too high 359
Ammonia smell noticeable 359
White crystalline powder visible 360
Diagnosis for Each Symptom 361
Engine Start Problems 361
Engine Stalling 363
Engine Hunting, Rough Idling 365
Excess Amount of White Smoke in Exhaust Gas 366
Excess Amount of Black Smoke in Exhaust Gas 367
Abnormal Noise 367
High Fuel Consumption 368
High Oil Consumption 370
Engine Output Deficiency 370
Functional Inspection 373
Engine Compression Pressure Inspection 373
Fuel System Inspection 374
Lubrication system check 374
Air intake system inspection 375
Exhaust system inspection 375
Inspection of EGR Control System 375
Start System Inspection 376
Glow control system check 376
OBD system check 378
Inspection of the monitor warning light illumination circuit system 378
Inspection of the monitor warning light blinking circuit system 379
Inspection of the starter circuit system 380
Removal and Installation of Engine Assembly 381
Removal of Engine Assembly 381
Installation of Engine Assembly 386
Removal and Installation of Fuel Cooler, Engine Intercooler, Radiator, and Oil Cooler 387
Removal and Installation of Fuel Cooler 387
Removal of Fuel Cooler 387
Installation of Fuel Cooler 387
Removal and Installation of Engine Intercooler 387
Removal of Intercooler 388
Installation of Inter Cooler 388
Inspection of Intercooler 388
Removal and Installation of Radiator 389
Removal of Radiator 389
Installation of Radiator 392
Inspection of Radiator 393
Removal and Installation of Oil Cooler 393
Removal of Oil Cooler 394
Installation of Oil Cooler 396
Removal and Installation of Turbo Charger 397
Removal of Turbo Charger 397
Installation of Turbo Charger 399
Inspection of Turbo Charger 402
Removal and Installation of EGR Valve (if equipped) 404
Removal of EGR Valve 404
Installation of EGR Valve 406
Inspection of EGR Valve 410
Removal and Installation of Engine Hood 411
Removal of Engine Hood 411
Installation of Engine Hood 412
Removal and Installation of SCR 413
Removal of SCR 413
Installation of SCR 414
Removal and installation of Silicon Controlled Rectifier Catalyst 415
Removal of Silicon Controlled Rectifier Catalyst 415
Installation of Silicon Controlled Rectifier Catalyst 416
Disassembly of Silicon Controlled Rectifier Catalyst 419
Assembly of Silicon Controlled Rectifier Catalyst 419
Inspection of Silicon Controlled Rectifier Catalyst 420
Removal and Installation of Cylinder Head Cover 421
Cylinder head cover Removal 421
Installation of Cylinder Head Cover 421
Removal and Installation of Cylinder Head 422
Removal of Cylinder Head 422
Disassembly of Cylinder Head 431
Assembly of Cylinder Head 435
Installation of Cylinder Head 442
Inspection 460
Removal and Installation of Cylinder Block 466
Removal of Cylinder Block 466
Installation of Cylinder Block 482
Inspection 517
Lubrication System 519
Removal and Installation of Oil Pan 519
Removal of Oil Pan 519
Installation of Oil Pan 519
Removal and Installation of Oil Level Switch 519
Removal of Oil Level Switch 519
Installation of Oil Level Switch 520
Removal and Installation of Oil Pump Assembly 520
Removal of Oil Pump Assembly 520
Disassembly of Oil Pump Assembly 533
Assembly of Oil Pump Assembly 533
Installation of Oil Pump Assembly 533
Inspection 557
Engine oil Inspection 558
Removal and Installation of Oil Port Cover 559
Removal of Oil Port Cover 559
Installation of Oil Port Cover 559
Cooling System 561
Removal and Installation of Water Pump Assembly 561
Removal of Water Pump Assembly 561
Installation of Water Pump Assembly 562
Inspection of Water Pump Assembly 566
Removal and Installation of Thermostat 566
Removal of Thermostat 566
Installation of Thermostat 567
Inspection 569
Inspection of Coolant 569
Inspection of Cooling Fan Belt 574
Removal and Installation of Overheat Switch 574
Removal of Overheat Switch 574
Installation of Overheat Switch 574
Induction System 576
Inspection of Air Cleaner Element 576
Exhaust System 577
Removal and installation of Oxidation Catalyst Assembly 577
Removal of Oxidation Catalyst Assembly 577
Installation of Oxidation Catalyst Assembly 578
Aux Emission Control Devices System 581
Removal and installation of Dosing Module 581
Removal of Dosing Module 581
Disassembly of Dosing Module 581
Assembly of Dosing Module 582
Installation of Dosing Module 582
Removal and installation of DEF Supply Module 584
Removal of DEF supply module 584
Disassembly of DEF Supply Module 585
Assembly of DEF Supply Module 585
Installation of DEF Supply Module 586
Removal and installation of Coolant Control Valve 588
Removal of Coolant Control Valve 588
Installation of Coolant Control Valve 589
Removal and Installation of DCU 591
Removal of DCU 591
Installation of DCU 591
Removal and installation of DEF Supply Module Filter 591
Removal of DEF Supply Module Filter 591
Installation of DEF Supply Module Filter 592
Removal and Installation of Exhaust Manifold 593
Removal of Exhaust Manifold 593
Installation of Exhaust Manifold 596
Inspection 602
Removal and Installation of Fuel Tank 603
Removal of Fuel Tank 603
Installation of fuel tank 606
Removal and Installation of Urea Pump 607
Removal of Urea Solution Pump 607
Installation of Urea Pump 608
Removal and Installation of Urea Solution Tank 609
Removal of DEF Tank 609
Installation of Urea Solution Tank 610
Removal and Installation of Fuel Supply Pump 611
Removal of Fuel Supply Pump 611
Installation of Fuel Supply Pump 612
Removal and Installation of Common Rail Assembly 616
Removal of Common Rail Assembly 616
Installation of Common Rail Assembly 618
Removal and Installation of Injector 623
Removal of Injector 623
Installation of Injector 626
Removal and installation of Idle Gear 632
Removal of Idle Gear 632
Installation of Idle Gear 644
Inspection of Idle Gear 668
Removal and installation of Inlet Cover 670
Removal of Inlet Cover 670
Installation of Inlet Cover 674
Removal and installation of Crankshaft 684
Removal of Crankshaft 684
Installation of Crankshaft 699
Disassembly of Crankshaft 732
Assembly of Crankshaft 732
Inspection of Crankshaft 732
Removal and installation of Piston 737
Removal of Piston 737
Installation of Piston 747
Disassembly of Piston 767
Assembly of Piston 767
Inspection of Piston 769
Removal and installation of Camshaft 776
Removal of Camshaft 776
Disassembly of Camshaft 777
Installation of Camshaft 778
Assembly of Camshaft 782
Inspection of Camshaft 782
Removal and installation of Flywheel 784
Removal of Flywheel 784
Installation of Flywheel 785
Inspection of Flywheel 786
Removal and installation of Crankshaft Front Oil Seal 787
Removal of Crankshaft Front Oil Seal 787
Installation of Crankshaft Front Oil Seal 788
Removal and installation of Crankshaft Rear Oil Seal 791
Removal of Crankshaft Rear Oil Seal 791
Installation of Crankshaft Rear Oil Seal 792
Removal and installation of Rocker Arm Shaft 795
Removal of Rocker Arm Shaft 795
Installation of Rocker Arm Shaft 796
Disassembly of Rocker Arm Shaft 799
Assembly of Rocker Arm Shaft 799
Inspection of Rocker Arm Shaft 800
Removal and installation of Valve Spring 803
Removal of Valve Spring 803
Installation of Valve Spring 805
Inspection of Valve Spring 810
Removal and installation of Valve Stem Oil Seal 812
Removal of Valve Stem Oil Seal 812
Installation of Valve Stem Oil Seal 814
Removal and installation of Front Cover 821
Removal of Front Cover 821
Installation of Front Cover 823
Removal and installation of Intake Throttle Valve 829
Removal of Intake Throttle Valve 829
Installation of Intake Throttle Valve 829
Removal and Installation of Starter Motor 830
Removal of Starter Motor 830
Installation of Starter Motor 831
Disassembly of Starter Motor 831
Assembly of Starter Motor 832
Inspection of Starter Motor 834
Removal and Installation of Alternator 838
Removal of Alternator 838
Installation of Alternator 839
Disassembly of Alternator 840
Assembly of Alternator 840
Inspection of Alternator 842
Removal and Installation of Glow Plug 846
Removal of Glow Plug 846
Installation of Glow Plug 846
Glow plug Inspection 846
Removal and Installation of Suction Control Valve 847
Removal of Suction Control Valve 847
Installation of Suction Control Valve 847
Removal and installation of Fuel Filter 850
Removal of Fuel Filter 850
Installation of Fuel Filter 850
Removal and installation of Relief Valve 853
Removal of Relief Valve 853
Installation of Relief Valve 853
Removal and installation of Fuel Filter Element 856
Removal of Fuel Filter Element 856
Installation of Fuel Filter Element 857
Removal and Installation of Fuel filter pressure 860
Fuel filter pressure sensor Removal 860
Fuel filter pressure sensor Installation 860
Removal and Installation of Engine coolant temperature sensor 861
Engine coolant temperature sensor Removal 861
Engine coolant temperature sensor Installation 861
Engine coolant temperature sensor Inspection 861
Removal and Installation of CKP sensor 862
CKP sensor Removal 862
CKP sensor Installation 862
CKP sensor Inspection 862
Removal and Installation of CMP sensor 863
CMP sensor Removal 863
CMP sensor Installation 863
CMP sensor Inspection 863
Removal and Installation of Oil pressure sensor 864
Oil pressure sensor Removal 864
Oil pressure sensor Installation 864
Oil pressure sensor Inspection 864
Removal and installation of Pressure Sensor/Boost Temperature Sensor 865
Removal of Pressure Sensor/Boost Temperature Sensor 865
Installation of Pressure Sensor/Boost Temperature Sensor 865
Inspection of Pressure Sensor/Boost Temperature Sensor 865
Removal and Installation of IMT sensor 866
Removal of IMT sensor 866
Installation of IMT sensor 866
Removal and installation of Charge Air Cooler Temperature Sensor 1 867
Removal of Charge Air Cooler Temperature Sensor 1 867
Installation of Charge Air Cooler Temperature Sensor 1 867
Inspection of Charge Air Cooler Temperature Sensor 1 867
Sampling Procedure 868
Sampling of Engine Oil 868
Removal and Installation of Exhaust gas temperature sensor 869
Removal of Exhaust gas temperature sensor 869
Installation of Exhaust gas temperature sensor 869
Inspection of Exhaust gas temperature sensor 870
Removal and installation of EGR Gas Temperature Sensor 1 871
Removal of EGR Gas Temperature Sensor 1 871
Installation of EGR Gas Temperature Sensor 1 871
Inspection of EGR Gas Temperature Sensor 1 871
Removal and installation of EGR Gas Temperature Sensor 2 872
Removal of EGR Gas Temperature Sensor 2 872
Installation of EGR Gas Temperature Sensor 2 872
Inspection of EGR Gas Temperature Sensor 2 873
Removal and installation of NOx Sensor 874
Removal of NOx Sensor 874
Installation of NOx Sensor 874
Removal and Installation of Exhaust gas temperature sensor 3 877
Removal of Exhaust gas temperature sensor 3 877
Installation of Exhaust gas temperature sensor 3 877
Removal and installation of DEF Sensor 879
Removal of DEF Sensor 879
Installation of DEF Sensor 879
Engine-related Diagnostic Trouble Code List 880
Engine-side Trouble 887
ECM Trouble 887
DTC P0016 Crankshaft Position – Camshaft Position Correlation Error 887
DTC P0045 Turbocharger Boost Control VNT Error 888
DTC P0087 Fuel Rail/System Pressure – Too Low 890
DTC P0089 Fuel Pressure Regulator Performance 893
DTC P0091 Fuel Pressure Regulator Control Circuit Low 894
DTC P0092 Fuel Pressure Regulator Control Circuit High 895
DTC P0097 Intake Air Temperature (IAT) Sensor 2 Circuit Low Voltage 897
DTC P0098 Intake Air Temperature (IAT) Sensor 2 Circuit High Voltage 898
DTC P0102 Mass Air Flow Sensor Circuit Low Input 899
DTC P0103 Mass Air Flow Sensor Circuit High Input 900
DTC P0112 Intake Air Temperature Sensor Circuit Low 901
DTC P0113 Intake Air Temperature Sensor Circuit High 902
DTC P0117 Engine Coolant Temperature Sensor Circuit Low 904
DTC P0118 Engine Coolant Temperature Sensor Circuit High 905
DTC P0122 Throttle Position Sensor Circuit Low 906
DTC P0123 Throttle Position Sensor Circuit High 907
DTC P0182 Fuel Temperature Sensor Circuit Low 908
DTC P0183 Fuel Temperature Sensor Circuit High 909
DTC P0192 Fuel Rail Pressure Sensor Circuit Low 911
DTC P0193 Fuel Rail Pressure Sensor Circuit High 912
DTC P0201 Injector Circuit Open – Cylinder 1 913
DTC P0202 Injector Circuit Open – Cylinder 2 914
DTC P0203 Injector Circuit Open – Cylinder 3 915
DTC P0204 Injector Circuit Open – Cylinder 4 916
DTC P0217 Engine Coolant Over Temperature Condition 917
DTC P0219 Engine Overspeed Condition 918
DTC P0234 Turbocharger Overboost Condition 919
DTC P0237 Turbo Charger Boost Sensor Circuit Low 921
DTC P0238 Turbo Charger Boost Sensor Circuit High 922
DTC P0335 Crankshaft Position Sensor Circuit 923
DTC P0336 Crankshaft Position Sensor Circuit Range/Performance 924
DTC P0340 Camshaft Position Sensor Circuit 925
DTC P0380 Glow Relay Circuit Error 927
DTC P0401 EGR Flow Insufficient Detected 928
DTC P0404 EGR Control Circuit Range/Performance 929
DTC P0409 EGR Sensor Circuit 930
DTC P041C EGR Cooler Outlet 1 Temp Sensor Circuit Low 932
DTC P041D EGR Cooler Outlet 1 Temp Sensor Circuit High 933
DTC P0427 Catalyst Temperature Sensor Circuit Low Sensor 1 934
DTC P0428 Catalyst Temperature Sensor Circuit High Sensor 1 935
DTC P042C Catalyst Temperature Sensor Circuit Low Sensor 2 937
DTC P042D Catalyst Temperature Sensor Circuit High Sensor 2 938
DTC P0522 Engine Oil Pressure Sensor Circuit Low Input 939
DTC P0523 Engine Oil Pressure Sensor Circuit High Input 940
DTC P0545 EGR Cooler Inlet 1 Temp Sensor Circuit Low 941
DTC P0546 EGR Cooler Inlet 1Temp Sensor Circuit High 942
DTC P0560 12 Volt Circuit Error 944
DTC P0563 System Voltage High 945
DTC P0601 Internal Control Module Memory Check Sum Error 945
DTC P0602 Internal Control Module QR Code Error 946
DTC P0604 Internal Control Module RAM Error 947
DTC P0606 Internal Control Module CPU Error 947
DTC P060A Internal Control Module CPU IC Error 948
DTC P060C Internal Control Module A/D Processing Performance 948
DTC P0615 Starter Relay Circuit Error 949
DTC P0638 Throttle Actuator Control Range/Performance 950
DTC P0685 ECM Power Relay Control Circuit Open 951
DTC P0687 ECM Power Relay Control Circuit High 952
DTC P06A6 Sensor Reference Voltage 1 Circuit 953
DTC P06A7 Sensor Reference Voltage 2 Circuit 954
DTC P06A8 Sensor Reference Voltage 3 Circuit 955
DTC P06A9 Sensor Reference Voltage 4 Circuit 956
DTC P06AF Torque Management System – Forced Engine Shutdown 958
DTC P06D5 Sensor Reference Voltage 5 Circuit 958
DTC P1076 Charge Air Cooler (CAC) Temperature Sensor 1 Circuit Low Voltage 959
DTC P1077 Charge Air Cooler (CAC) Temperature Sensor 1 Circuit High Voltage 960
DTC P1093 Fuel Rail Pressure Too Low 961
DTC P1097 Compressor Outlet Temperature Sensor Circuit High 964
DTC P1098 Compressor Outlet Temperature Sensor Circuit High 965
DTC P1236 Charge Air Cooler Performance Failure 967
DTC P1261 Injector Positive Voltage Control Circuit Group 1 968
DTC P1262 Injector Positive Voltage Control Circuit Group 2 968
DTC P1404 EGR Position Fault 969
DTC P1606 SW-IC Internal failure 970
DTC P160B AD-IC Failure Error 970
DTC P160C AD-IC2 Failure Error 971
DTC P1621 Control Module Long Term Memory Performance 971
DTC P1622 Control Module Long Term Memory Hardware 972
DTC P1669 DPD Lamp Control Circuit 973
DTC P204F SCR System Error (No Inducement) 974
DTC P207F Urea Fluid Concentration Too Low 975
DTC P20C9 SCR System Error 975
DTC P2122 Pedal Position Sensor 1 Circuit Low Input 976
DTC P2123 Pedal Position Sensor 1 Circuit High Input 977
DTC P2127 Pedal Position Sensor 2 Circuit Low Input 978
DTC P2128 Pedal Position Sensor 2 Circuit High Input 979
DTC P2138 Pedal Position Sensor 1 – 2 Voltage Correlation 980
DTC P2146 Fuel Injector Group 1 Supply Voltage Circuit 981
DTC P2149 Fuel Injector Group 2 Supply Voltage Circuit 982
DTC P2228 Barometric Pressure Sensor Circuit Low 984
DTC P2229 Barometric Pressure Sensor Circuit High 984
DTC P2457 Exhaust Gas Recirculation (EGR) Cooling System Performance 985
DTC P2458 Purge time Out Error 986
DTC P2BA7 Urea Fluid Quantity Too Low 986
DTC P2BAA SCR System Error (Inducement, No Purge) 987
DTC P3093 Fuel Rail Pressure Too Low 987
DTC U0001 CAN Bus Error (ISO-CAN) 990
DTC U0073 Control Module Communication Bus Off 992
DTC U0101 Lost Communication With CAN 993
DTC U010E Lost Communications With Dosing Control Module 994
DTC U0110 Lost Communication With VNT System 995
DTC U2106 Lost CAN Communications With Wheel Loader Transmission Control System 996
DTC U0411 Lost CAN Communications With VNT Control Module 997
DCU Trouble 997
Diagnostic Trouble Code_P0607: Control Module Characteristic Abnormality　 997
Diagnostic trouble code_P060B: Control Module A/D Conversion Processing Device Abnormality 998
Diagnostic trouble code_P062F: Control Module EEPROM Abnormality 999
Diagnostic trouble code_P0641: Sensor Reference Voltage Abnormality 1000
Diagnostic trouble code_P0658: Actuator Supply Power Feed System Abnormality 1001
Diagnostic trouble code_P0659: Actuator Supply Power Feed System Abnormality 1003
Diagnostic trouble code_P1462: Urea Solution Quality Sensor Time-Out Abnormality 1004
Diagnostic trouble code_P1464: Main Relay Abnormality (Early OPEN Error/Sticking Error of Main Relay) 1005
Diagnostic trouble code_P1468: Urea Solution Injection Control Module (DCM) High Temperature Abnormality 1006
Diagnostic trouble code_P1491: Urea Solution High Pressure Abnormality 1007
Diagnostic trouble code_P1493: Urea Solution Injection Control Module (DCM) Screwdriver High Temperature Abnormality 1008
Diagnostic trouble code_P149C: Urea Solution Reducing Pressure Abnormality 1009
DTC P149D Urea Fluid Tank Overtemperature 1010
Diagnostic trouble code_P2000: Cleaning Ratio Abnormality 1012
Diagnostic trouble code_P203B: Urea Solution Tank Level Sensor 1013
Diagnostic trouble code_P203C: Urea Solution Tank Level Sensor Low Voltage Potential 1015
Diagnostic trouble code_P203D: Urea Solution Tank Level Sensor High Voltage Potential 1016
Diagnostic trouble code_P2048: Urea Solution Injector System Low Voltage Potential 1017
Diagnostic trouble code_P2049: Urea Solution Injector System High Voltage Potential 1018
Diagnostic trouble code_P204B: Urea Solution Pressure Sensor System Characteristic Abnormality 1019
Diagnostic trouble code_P204C: Urea Solution Pressure Sensor System Low Voltage Potential 1020
Diagnostic trouble code_P204D: Urea Solution Pressure Sensor System High Voltage Potential 1021
Diagnostic trouble code_P205B: Urea Solution Tank Temperature Sensor Characteristic Abnormality 1023
Diagnostic trouble code_P205C: Urea Solution Tank Temperature Sensor Low Voltage Potential 1024
Diagnostic trouble code_P205D: Urea solution tank temperature sensor high voltage potential 1025
DTC P206A Urea Fluid Quality Sensor Circuit 1026
Diagnostic trouble code_P206B: Urea Sensor High Temperature Abnormality 1027
DTC P206C Urea Fluid Quality Sensor Circuit Low Voltage 1028
DTC P206D Urea Fluid Quality Sensor Circuit High Voltage 1029
Diagnostic trouble code_P207F: Urea Solution Concentration Low 1029
Diagnostic trouble code_P208A: Urea Solution Pump Control System 1030
Diagnostic trouble code_P208B: Urea Solution Pump Characteristic Abnormality 1031
Diagnostic trouble code_P208C: Urea Solution Pump Control System Low Voltage Potential 1033
Diagnostic trouble code_P208D: Urea Solution Pump Control System High Voltage Potential 1034
Diagnostic trouble code_P208E: Urea Solution Injector Attachment 1035
Diagnostic trouble code_P20A0: Urea Solution Reverting Valve System Disconnection 1036
Diagnostic trouble code_P20A2: Urea Solution Reverting Valve System Low Voltage Potential 1037
Diagnostic trouble code_P20A3: Urea Solution Reverting Valve System High Voltage Potential 1038
Diagnostic trouble code_P20AC: Urea Solution Pump Temperature Sensor Characteristic Abnormality 1039
Diagnostic trouble code_P20AD: Urea Solution Pump Module Temperature Sensor Function 1041
Diagnostic trouble code_P20B1: Urea Solution Tank Heater Coolant Control Valve System Disconnection 1042
Diagnostic trouble code_P20B3: Urea Solution Tank Heater Coolant Control Valve System Low Voltage Potential 1043
Diagnostic trouble code_P20B4: Urea solution tank heater coolant control valve system high voltage potential 1044
Diagnostic trouble code_P20E8: Urea Solution Low Pressure Abnormality 1045
Diagnostic trouble code_P20E9: Urea Solution High Pressure Abnormality 1047
Diagnostic trouble code_P20EA: Urea Solution Reducing Pressure Abnormality 1048
Diagnostic trouble code_P20FE: Urea Solution Build-Up Abnormality 1049
Diagnostic trouble code_P2201: NOx Sensor Upstream Function 1051
Diagnostic trouble code_P2206: Ft NOx Sensor Disconnection 1052
Diagnostic trouble code_P2207: Ft NOx Sensor Short-Circuit 1053
Diagnostic trouble code_P2210: Rr NOx Sensor Disconnection 1053
Diagnostic trouble code_P2211: Rr NOx Sensor Short-Circuit 1054
Diagnostic trouble code_P242B: Exhaust Gas Temperature (EGT) Sensor 3 System Function 1054
Diagnostic trouble code_P242C: Exhaust Gas Temperature (EGT) Sensor 3 System Low Voltage Potential 1055
Diagnostic trouble code_P242D: Exhaust Gas Temperature (EGT) Sensor 3 System High Voltage Potential 1056
DTC U0002 CAN Bus Off 1057
DTC U0100 Lost Communication With ECM 1058
Diagnostic trouble code_U029D: CAN Communication Error Between DCU-Ft NOx Sensors 1059
Diagnostic trouble code_U029E: CAN Communication Error Between DCU-Rr NOx Sensors 1062
J HYDRAULIC EQUIPMENT (PUMP, OPERATION SYSTEM VALVE) 1065
Main Equipment Table 1072
Hydraulic Device 1072
Hydraulic Pump 1072
LM pump 1072
Motor for Generator 1072
Control-related 1073
Control valve 1073
Solenoid Valve (5 Stack) 1073
Solenoid Valve (2 stack) for EV Control 1074
Solenoid Valve (for Generator) 1074
Remote Control Valve for Left/Right Operations 1074
Remote Control Valve for Travel Operation 1074
Remote Control Valve for Option Operation 1074
Remote Control Valve Characteristic Diagram 1075
Operation Remote Control Valve Control Diagram 1075
Travel Remote Control Valve Control Diagram 1076
1-pedal Travel Remote Control Valve Control Diagram 1076
Reducing Valve (6 Stack Proportional Valve) 1077
Cushion Valve (with Heat Circuit, Shuttle Valve) 1077
Selector Valve 1077
Basic Functions 1078
Oil temperature gauge 1078
Static Horsepower Control 1080
Overload Warning (Function for Europe Only) 1081
Pressure Boost Control 1082
Stroke Control 1084
Boom Down Energy Save 1086
Pump Horsepower Boost Control 1086
Arm 1 Semi-parallel Control 1087
Arm 2 Semi-parallel Control 1088
CAVIS (CAB ANTI VIBRATION INTELLIGENT SYSTEM) 1089
Hot Shutdown Warning 1098
Gate Lock 1099
Breaker Mode 1100
Crusher Mode 1101
Quick coupler 1102
Hydraulic Fluid Filter Clogging 1103
Solenoid Sticking Prevention 1104
Port Diagram 1105
Hydraulic Pump (Standard Model) 1105
LM pump 1106
Motor for Generator 1107
Control Valve 1108
Relief valve (2nd option specification) 1108
5 stack solenoid valve 1113
2 Stack Solenoid Valve 1114
Solenoid Valve (for Generator) 1115
Remote Control Valves (upper, travel) 1116
Remote control valve (left/right) 1116
Remote control valve (travel) 1116
Remote Control Valve (Option and 2nd Option) 1117
Cushion valve 1118
2-way Selector Valve 1119
Direction Valve 1119
6 stack proportional pressure reducing valve 1120
Reducing Valve (3 stack) for Interference Prevention 1122
Relief Valve (electromagnetic proportional) 1122
Manifold Under Cab 1123
Manifold (accumulator section) 1124
Hydraulic tank 1124
Hydraulic Pump 1125
Structure and Operation Explanation 1125
Hydraulic Pump Internal Structure Diagram 1126
Overall View 1126
Drive Shaft Front Side 1127
Drive Shaft Rear Side 1128
Development Diagram 1129
Component Table 1132
Regulator 1133
Regulator Operation Explanation 1133
Regulator Operation Explanation Diagram 1135
Internal Configuration Diagram of Regulator 1138
Development Diagram of Regulator 1140
Component Table 1142
Gear Pump 1143
Gear Pump Internal Structure Diagram 1143
Structure and Operation Explanation 1144
Operation Outline of Electronically-Controlled Pump 1145
LM Pump 1148
Overall View 1148
Structural Diagram 1150
Motor for Generator 1152
Overall View 1152
Structural Diagram 1153
Control Valve 1155
Basic Configuration 1155
Operation 1156
Operation of Main Unit 1156
Activation of Relief Valve 1181
5 Stack Solenoid Valve Operation Explanation 1186
External Shape Diagram and Components 1186
operation explanation 1186
2 Stack Solenoid Valve 1187
Structure 1187
Single Proportional Valve 1188
Structure 1188
Operation Explanation 1189
Upper Pilot Valve (remote control valve) 1190
Structure 1190
Function 1190
Operation 1191
Structural Diagram 1194
Travel Pilot Valve (remote control valve) 1195
Operation 1195
Pressure Reducing Valve Section 1196
Damping Mechanism in Operation Section 1196
Structural Diagram 1199
1-pedal Travel Pilot Valve (remote control valve) 1201
Operation 1201
Structural Diagram 1203
Cushion Valve 1204
Structure 1204
operation explanation 1205
Selector Valve (2-way) 1209
Structure 1209
operation explanation 1210
Development Diagram 1211
Direction Valve (3-direction) 1212
Structure 1212
Operation Explanation 1213
6 Stack Proportional Valve (Pilot) 1215
structure 1215
operation principle 1216
Reducing Valve 1217
Structure 1217
Operation Explanation 1218
Electromagnetic Relief Valve 1220
Structure 1220
Operation Explanation 1221
Operation of Check Valve 1221
Operation of Electromagnetic Relief Valve 1222
Removal and Installation of Hydraulic Tank 1224
Removal of Hydraulic Reservoir 1224
Installation of Hydraulic Oil Tank 1226
Removal and Installation of Hydraulic Pump 1227
Removal of Hydraulic Pump 1227
Installation of Hydraulic Pump 1229
Removal and Installation of LM Pump 1231
Removal of LM Pump 1231
Installation of LM Pump 1231
Removal and Installation of Pump coupling 1232
Removal of Pump Coupling 1232
Installation of Pump Coupling 1232
Removal and Installation of Generator Motor 1234
Removal of Motor for Generator 1234
Installation of Motor for Generator 1235
Removal and Installation of Control Valve 1236
Removal of Control Valve 1236
Installation of Control Valve 1240
Removal and Installation of Travel Remote Control Valve 1241
Removal of Travel Remote Control Valve 1241
Installation of Travel Remote Control Valve 1242
Removal and Installation of Operation Remote Control Valve 1245
Removal of Operation Remote Control Valve (Left) 1245
Installation of Operation Remote Control Valve (Left) 1247
Removal of Operation Remote Control Valve (right side) 1249
Installation of Operation Remote Control Valve (right side) 1251
Removal and Installation of Option Remote Control Valve 1253
Removal of Option Remote Control Valve 1253
Installation of Option Remote Control Valve 1254
Removal and Installation of 5 Stack Solenoid 1256
Removal of 5 Stack Solenoid Valve 1256
Installation of 5 Stack Solenoid Valve 1257
Removal and Installation of Cushion Valve 1258
Removal of Cushion Valve 1258
Installation of Cushion Valve 1259
Procedures for Assembly and Disassembly of Hydraulic Pump Main Unit 1261
Tools 1261
Disassembly Procedure 1261
Assembly Procedures 1263
Development Diagram 1267
Component Table 1270
Pump Main Unit Maintenance Standards 1271
Replacement Standard of Wear Component 1271
Correction Standard of Cylinder, Valve Plate, and Sash Plate (Shoe Plate) 1271
Tightening torque 1272
Overall View 1272
Drive Shaft Front Side 1273
Drive Shaft Rear Side 1274
Development Diagram 1275
Component Table 1278
Regulator Maintenance Standards 1279
Regulator Adjustment 1279
Appendix Table and Drawings 1281
Regulator Assembly and Disassembly Procedures 1284
Tools 1284
Preparations for Disassembly 1284
Disassembly Procedure 1284
Assembly Procedures 1286
Internal Configuration Diagram of Regulator 1289
Development Diagram of Regulator 1291
Component Table 1293
Assembly and Disassembly of Control Valve 1294
Disassembly 1294
Caution for Disassembly 1294
Disassembly Procedure 1294
Removal of Long Cap and Pulling Out of Main Spool 1294
Disassembly of Arm 1, 2 Parallel-Tandem Spool, Neutral Cut Spool, Arm Regeneration Release Spool Section 1295
Disassembly of Load Check Valve Section 1295
Disassembly of Antidrift Valve Section (Sub Component in Assembly is Expressed by (Min Number – Sub Number) ) 1296
Disassembly of Relief Valve 1296
Disassembly of Option Section 1296
Disassembly of Add-On Section 1296
Disassembly of Valve Housing Coalescence Bolt 1297
Cleaning 1297
Inspection 1297
assembly 1297
Caution for Assembly 1297
Caution for Handling O-ring 1297
Caution for Handling Spool 1297
Method to Apply Adhesive Agent (Male and Female Thread Section of Components Requiring Bonding) 1297
Assembly Procedure of Sub-Assembly 1298
Assembly of Spool Assembly (Main Spool) 1298
Assembly of Arm 1, 2 Parallel-Tandem Spool, Neutral Cut Spool, Arm Regeneration Release Spool Assembly 1298
Assembly of Antidrift Valve Assembly 1299
Assembly Procedure of Control Valve Main Unit 1299
Assembly of Relief Valve 1299
Assembly of Load Check Valve 1299
Assembly of Antidrift Valve 1300
Assembly of Option Section 1300
Assembly of Arm 1 Parallel-Tandem Spool 1300
Assembly of Arm 2 Parallel-Tandem Spool, Neutral Cut Spool, Arm Regeneration Release Spool 1300
Assembly of Main Spool 1300
Assembly of Add-On Section 1301
Assembly of Other Plugs 1301
Internal Structural Diagram 1302
Part List 1308
Relief Valve 1309
Assembly and Disassembly Procedure of Main Relief Valve 1309
Assembly and Disassembly Procedures of Overload Relief 1310
Assembly and Disassembly Procedure of Low-Pressure Relief Valve 1311
Assembly and Disassembly Procedure of Main Relief Valve for Add-On 1311
Adjustment of Relief Valve 1313
Installation 1314
Operation 1314
Malfunction and Countermeasure 1314
Procedures for Assembly and Disassembly of Operation Remote Control Valve 1316
Maintenance Procedures 1316
Required Tools and Tightening Torque 1316
Maintenance Standards 1317
Disassembly Procedures 1318
Assembly Procedures 1320
Causes of Trouble and Countermeasures 1323
Procedures for Assembly and Disassembly of Travel Remote Control Valve 1327
Maintenance Procedures 1328
Disassembly Procedures 1328
Assembly Procedures 1332
Causes of Trouble and Countermeasures and Cross-section Diagram 1337
Assembly and Disassembly Procedures of Option Remote Control Valve 1340
Maintenance Procedures 1341
Disassembly Procedures 1341
Assembly Procedures 1343
Causes of Trouble and Countermeasures 1346
Assembly and Disassembly of Cushion Valve 1349
Disassembly Procedures 1349
Reverse Operation Spool Section 1349
Check Plunger Section with Throttle 1349
Shuttle Valve Section 1349
Assembly Procedures 1350
Reverse Operation Spool Section 1350
Check Plunger Section with Throttle 1350
Shuttle Valve Section 1350
Document 1351
Procedures for Assembly and Disassembly of 6 Stack Proportional Valve (Pilot) 1353
Development Diagram 1353
Assembly and disassembly procedures 1354
Precautions 1354
Replacement of Proportional Solenoid 1354
Disassembly 1354
Assembly 1354
Replacement of Sleeve and Spool 1355
Disassembly 1355
Assembly 1356
Replacement of Poppet (Check Valve for Normally Open) 1357
Disassembly 1357
assembly 1357
Maintenance Standards 1358
Troubleshooting 1358
Pressure Measurement and Adjustment Procedures 1359
Procedures for Pressure Measurement from the Monitor Display 1359
Monitor and Switch Panel 1359
Pressure Measurement Method 1359
Operating Method 1359
PROCEDURES FOR MEASURING HYDRAULIC OIL TEMPERATURE FROM THE MONITOR DISPLAY 1361
Hydraulic Oil Temperature Measurement Method 1361
Operating Method 1361
Procedures for Pressure Measurement by Installing Pressure Gauge 1362
Preparations 1362
Items to Prepare 1362
Pressure Measuring Ports 1363
Control Valve 1365
Location of Relief Valves 1365
Pressure Measurement Preparations 1366
Pressure Measurement 1368
Main Pressure Measurement 1368
A Attachment Pressure Measurement 1369
Boom-down Pressure Measurement 1370
D Option Line Pressure Measurement 1370
Pilot Pressure Measurement 1370
Pressure Gauge Installation 1370
Negative Control Pressure Measurement 1371
Pressure Gauge Installation 1371
Pressure Adjustment 1371
Main Pressure Adjustment 1371
Preparation Work of Pressure Measurement Adjustment 1371
Main Relief Pressure Adjustment 1373
Overload Relief Pressure Adjustment 1374
Adjustment of Swing Relief Pressure 1376
Pilot Pressure Adjustment 1376
Power Generation Line Pressure Measurement Procedure, 2nd Option Pressure Measurement Procedure 1377
A Generator Motor Pressure Measurement 1377
Elevator Circuit Pressure Adjustment 1378
Preparations 1378
Pressure Adjustment of Elevator Ascent Circuit 1378
Pressure Adjustment of Elevator Descent Circuit 1378
Hydraulic Pump Flow Measurement Procedures 1379
Preparations 1379
Items to Prepare 1379
Work Preparations 1380
Flow Measurement 1382
LM Pump Flow Measurement Procedure 1383
Preparations 1383
Items to Prepare 1383
Work Preparations 1384
Flow Measurement 1385
LM Pump Flow Adjustment Procedure 1385
Drain Volume Measurement Procedures 1386
Drain Volume Measurement of Motor for Generator 1386
Air Bleed Procedure 1387
Hydraulic Pump 1387
Generator motor 1387
Sampling Procedure 1389
Sampling of Hydraulic Fluid 1389
Hydraulic Equipment Layout 1390
Hydraulic equipment layout drawing 1391
Pump Chamber Hydraulic Equipment Layout 1392
Swing Body Center Section Hydraulic Equipment Layout 1394
Housing Left Side Hydraulic Equipment Layout 1396
Hydraulic Equipment Layout of Elevator Section 1398
Hydraulic Equipment Layout of Generator-related Section 1399
Layout of Hydraulic Equipment in Cab 1400
J_HYDRAULIC EQUIPMENT_OVERSIZE PAGES pdf 1401
001_J_Explanation of Hydraulic Circuit and Operations (standard model)_250X4MH250X4SL 1401
J 1401
Explanation of Hydraulic Circuit and Operations (standard model) 1404
Travel Circuit 1405
Travel Low-speed Circuit 1405
Travel High-speed Circuit 1407
Straight Travel Circuit (with HBCV) 1409
Swing Circuit 1411
Swing Speed Limit Control Circuit 1411
Swing Relief Cut Control Circuit 1413
Swing Brake Circuit 1415
Free Swing Circuit (when starting) 1417
Free Swing Circuit (when stopping) 1419
Swing Parking Circuit (lever in neutral) 1421
Swing Parking Circuit (brake release) 1423
Swing Parking Circuit (machine stop) 1425
Boom Circuit 1427
Boom-up Circuit (independent operation) (with HBCV) 1427
Boom-down Regenerative Circuit (with HBCV) 1429
Boom-down Load Holding Valve Circuit (with HBCV) 1431
Boom-up Interference Prevention Circuit (with HBCV) 1433
Boom-up End Shock Reduction Circuit (with HBCV) 1435
Arm Circuit 1437
Arm-in Circuit (with HBCV) 1437
Arm Semi-parallel 1 Circuit (with HBCV) 1439
Arm Semi-parallel 1 Circuit (for compound operation) (ex : arm-out + right swing operations) (with HBCV) 1441
Arm Semi-parallel 2 Circuit (for independent operation) (with HBCV) 1443
Arm Semi-parallel 2 Circuit (for compound operation) (ex : arm-out + boom-up operations) (with HBCV) 1445
Arm-out Regenerative Circuit (with HBCV) 1447
Arm-in Interference Prevention Circuit (with HBCV) 1449
Arm-in Shock Reduction Circuit (with HBCV) 1451
Arm-out End Shock Reduction Circuit (with HBCV) 1453
Bucket Circuit 1455
Bucket-open Circuit 1455
Bucket-close Regenerative Circuit 1457
Negative Control Circuit 1459
Negative Control Circuit 1459
Other Circuits 1461
Cushion Circuit (ex : when stopping arm-out operation) 1463
Heat Circuit (lever in neutral) 1465
Auto Pressure Boost Circuit (arm in) (with HBCV) 1467
Elevator Cab Up/Down Circuit 1469
LM Circuit 1471
002_J_Explanation of Hydraulic Circuit and Operations (option)_250X4MH250X4SL 1474
J 1474
Explanation of Hydraulic Circuit and Operations (option) 1476
Option Circuits 1477
Grapple Circuit (independent operation) 1477
Grapple Circuit (compound operation) (grapple-close + boom-up operations) 1479
N CAB 1482
Removal and Installation of Operator’s Seat 1485
Removal of Operator’s Seat 1485
Installation of Operator’s Seat 1485
Removal and Installation of Cab Assembly 1486
Removal of Cab Assembly 1486
Installation of Cab Assembly 1490
Removal and Installation of Wiper 1491
Removal of Wiper 1491
Installation of wiper 1491
Removal and Installation of Cab Front Glass 1492
Removal of Cab Front Glass 1492
Installation of Cab Front Glass 1493
Removal and Installation of Right-side Window Glass 1494
Removal of Right-side Window Glass 1495
Installation of Right-side Window Glass 1496
Removal and Installation of Door (Upper) Sash Glass 1499
Removal of Door (Upper) Sash Glass 1500
Installation of Door (Upper) Sash Glass 1501
Window Lock Adjustment Procedures 1504
Window Lock (front side) 1504
Window Lock (rear side) 1504
Removal and Installation of Housing Guardrail 1506
Removal of Housing Guardrail 1506
Installation of Housing Guardrail 1507
Tightening Torque 1508
R ELECTRICAL PARTS 1510
Basic Functions 1515
Monitor Control 1515
Monitor Display Dimming 1515
Diagnostic Trouble Code Indicator 1516
Clock 1517
Basic Operation 1518
Battery save 1518
Accessories 1519
Working Light 1519
LED Light 1520
Room Lamp 1521
Radio Mute 1523
Wiper and Washer 1524
Safety 1527
Horn 1527
Back/Side View Monitor 1528
Precautions for Camera Installation 1528
Interference prevention 1529
Maintenance 1532
Anti-theft 1532
Manual Lock 1532
Service Support Screen Lock 1532
Customer-specific System Information Screen Lock 1533
Maintenance Information Screen Lock 1533
Option Line Setting Screen Lock 1533
Setting 1534
Clock Adjustment 1534
Auxiliary hydraulics configuration 1534
Screen Brightness Setting 1536
Interference prevention Setting 1536
Battery disconnect switch 1541
Explanation of Controller 1542
Service Support 1545
Screen Operations 1545
Screen Display List 1545
Service Monitor Structure 1546
CHECK Screen List 1547
MACHINE STATUS 1548
HYDRAULIC STATUS 1555
ENGINE STATUS 1563
FAULT HISTORY 1568
WORK HISTORY 1568
HYDRAULIC HISTORY 1578
ENGINE HISTORY 1591
DEVICE TEST 1613
ECM/DCU Memory Clear 1613
SCR RE-GEN 1614
Urea line leak test 1615
CCV operation test 1616
Dosing test 1617
Reverting valve test 1618
Common rail pressure test 1619
Idle speed test/injector test 1620
EGR valve control test 1622
VG turbo control test 1623
Intake throttle control test 1624
CONTROL UNIT Screen List 1625
MCM-MAIN 1625
MCM-SUB 1630
COMMU TERMINAL 1631
SETUP Screen List 1634
MACHINE SELECT 1634
DIMENSIONS 1639
PARAMETERS 1641
ENGINE INFORMATION 1646
ENGINE INFORMATION 1647
Data check 1647
Data transfer (copy) 1647
QR (INJECTOR) CODE 1649
Injector number 1649
Screen Layout 1649
Data Source Selection 1649
Manual Input 1650
CAMERA 1651
PASSWORD 1653
CALIBRATE Screen List 1656
THROTTLE VOLUME 1656
PUMP FLOW 1657
ANGLE SENSOR CALIBRATION (MH) 1659
ANGLE SENSOR CALIBRATION (SL) 1663
RESET Screen List 1668
Checking the Operation of Abnormal End 1670
Connection Connector Pin Layout 1671
Main controller 1671
Monitor 1673
Sequence Circuit Diagram 1674
Code List 1674
Overall 1677
Block diagram 1682
Main controller 1682
DCU 1683
ECM 1684
Sub-controller 1685
Monitor 1686
Air conditioner 1688
Gate Lock 1689
Horn 1689
Working Light 1690
Option 1691
Others 1692
Electrical Symbol List 1693
Electrical Equipment Layout Diagram 1694
Main Unit Left-side Layout Diagram 1695
Engine Section Layout Diagram 1697
Main Unit Right Side Layout Diagram (pump chamber) 1701
Main Unit Center Section Layout Diagram 1702
Cab Layout Diagram 1 1704
Cab Layout Diagram 2 1706
Layout Around Operator Seat 1709
Anti-interference Sensor 1711
LM-related Section 1712
Stand Alone Parts Diagram 1713
Removal and Installation of Wiper Controller 1737
Removal of Wiper Controller 1737
Installation of wiper controller 1737
Removal and Installation of Wiper Motor 1738
Removal of Wiper Motor 1738
Installation of wiper motor 1739
Removal and Installation of ECM 1740
Removal of ECM 1740
Installation of ECM 1740
Removal and Installation of Main Controller 1741
Removal of Main Controller 1741
Installation of Main Controller 1741
Removal and Installation of Sub-controller 1742
Sub-controller removal 1742
Installation of Sub-controller 1742
Removal and Installation of DCU 1743
Removal of DCU 1743
Installation of DCU 1743
Removal and Installation of Monitor 1744
Removal of Monitor 1744
Installation of Monitor 1744
Removal and Installation of Rear View Camera 1745
Removal of Rear View Camera 1745
Installation of Rear View Camera 1745
Removal and Installation of Side Camera (right) 1746
Removal of Side Camera (Right) 1746
Installation of Side Camera (Right) 1746
Removal and Installation of Side Camera (Left) 1747
Removal of Side Camera (Left) 1747
Installation of Side Camera (Left) 1747
Removal and Installation of Under View Camera (Option) 1748
Removal of Under View Camera (Option) 1748
Installation of Under View Camera (Option) 1748
Removal and Installation of FVM Controller 1749
Removal of FVM Controller 1749
Installation of FVM Computer 1749
How to Set FVM 1750
Air Conditioner Overall Diagram 1755
Frame 1755
Cab 1757
Equipment Layout Diagram 1760
Circuit Diagram 1762
Air Conditioner Circuit Diagram 1762
Explanation of Functions 1764
Explanation of Control 1764
Air Mix Motor Actuator Control 1765
Blow Mode Motor Actuator Control 1765
Refresh/Recirculate Switch Motor Actuator Control 1766
Blower Amp Control 1767
Compressor Clutch Control 1769
COOLMAX Control and HOTMAX Control 1770
Abnormality Detection and Control after Abnormality Detected 1770
Monitor Mode 1774
Door Switch Control 1776
Actuator Inspection 1777
Air Mix Motor Actuator Inspection 1777
Refresh/Recirculate Switch Motor Actuator Inspection 1778
Mode Motor Actuator Inspection 1779
Self-diagnosis Function with Panel Display 1780
Abnormality Display and Self-check Procedures 1780
Abnormality Display Position 1780
Explanation of Abnormality Display 1780
Motor Actuator Abnormality 1780
Sensor Abnormality 1781
Explanation of Monitor Mode 1781
Monitor Mode Display Position 1781
Monitor Mode Display Operating Method 1782
Display Contents in Monitor Mode 1784
Part Function and Good/Poor Judgment 1785
Control Panel 1785
Blower Amp 1786
Relay 1786
Air Mix Actuator 1787
Refresh/Recirculate Actuator 1788
Blow Mode Actuator 1788
Evaporator Sensor 1789
Dual Pressure Switch 1789
Solar Radiation Sensor 1790
Inside Air Sensor 1791
Assembly and Disassembly of Unit 1792
Removal of Blower Unit 1792
Replacement of Blower Motor 1792
Replacement of Blower Amp 1792
Removal of Heater Core 1793
Removal of Heat Case Right/Left 1793
Replacement of Evaporator and Expansion Valve 1793
Installation of Evaporator Sensor 1794
Replacement of Motor Actuator 1794
Removal and Installation of Compressor 1795
Removal of Compressor 1795
Installation of Compressor 1795
Removal and Installation of Condenser 1796
Removal of Condenser 1796
Installation of Condenser 1797
Removal and Installation of Receiver Dryer 1798
Removal of Receiver Dryer 1798
Installation of Receiver Dryer 1799
Work Precautions 1800
Work Procedures 1801
Air Conditioner Refrigerant Filling is Divided into the “Vacuum Operation” and “Gas Filling Operation” 1801
Operation Chart 1801
Tools 1802
Filling Procedures 1803
Charging Hose Connection Position 1803
Connecting Gauge Manifold 1803
Vacuuming 1804
Gas Filling Operation, High-pressure Side 1805
Gas Filling Work, Low Pressure Side 1805
R_ELECTRICAL PARTS_OVERSIZE PAGES pdf 1808
003_R_Electrical Connector Wiring Diagram_250X4MH250X4SL 1808
R 1808
Electrical Connector Wiring Diagram 1810
Frame main harness 1811
Control Valve Harness 1813
SCR Harness 1815
Light Harness (cab light) 1817
Cab Light Harness (with guard) 1819
Light Harness (Housing) Middle Harness 1821
Light Harness (ATT) (LED) (MH) 1823
Light Harness (ATT) (LED) (SL) 1825
Light Harness (ATT) Middle Harness 1827
Light Harness (Cab Rear Light) (LED) 1829
1-pedal Travel Harness 1831
Option Solenoid 1833
Cab main harness 1835
Indicator Jumper 1837
Console harness 1839
GPS Harness 1841
Computer S Harness 1843
Free Swing Harness 1845
Camera Harness (FVM) 1847
Camera Harness 1849
Camera Harness [600 mm (23 622 in )] 1851
Camera Harness [700 mm (27 559 in )] 1853
Camera Harness [4000 mm (157 480 in )] 1855
Angle Sensor Harness (Arm) 1857
Angle Sensor Harness (arm) 1859
US Control Panel Harness 1861
Panel Board Select Harness 1863
Control Panel Harness (Extension) 1865
Option Harness (SV) 1867
Option + 2nd Option Harness (SV) 1869
2nd Option Harness (SV) 1871
004_R_Electrical Parts and Wiring Assembly Diagram_250X4MH250X4SL 1874
R 1874
Electrical Parts and Wiring Assembly Diagram 1876
Frame (main unit right side, main unit center section) 1877
Frame (main unit left side) 1879
Engine and Pump 1881
Attachment 1883
Battery 1885
Cab 1 1887
Cab 2 1889
V ATTACHMENTS 1892
Main Equipment Table 1896
Backhoe Attachment 1896
Cylinder (MH) 1896
Cylinder (SL) 1897
Maintenance Standards 1898
Attachment (MH) 1898
1 Boom and Swing Frame Installation Section 1898
2 Boom Cylinder and Swing Frame Installation Section 1899
3 Boom and Boom Cylinder Installation Section 1899
4 Boom and Arm Cylinder Installation Section 1900
5 Boom and Arm Installation Section 1900
6 Arm and Arm Cylinder Installation Section 1901
7 Arm and Bucket Cylinder Installation Section 1901
8 Arm and Arm Link Installation Section 1902
9 Bucket and Bucket Link Installation Section 1902
10 Bucket Link and Bucket Cylinder Installation Section 1903
11 Bucket and Arm Installation Section 1904
Attachment (SL) 1905
1 Boom and Swing Frame Installation Section 1905
2 Boom Cylinder and Swing Frame Installation Section 1906
3 Boom and Boom Cylinder Installation Section 1906
4 Boom and Arm Cylinder Installation Section 1907
5 Boom and Arm Installation Section 1907
6 Arm and Arm Cylinder Installation Section 1908
Removal and Installation of Bucket Cylinder 1909
Removal of Bucket Cylinder 1909
Installation of Bucket Cylinder 1911
Removal and Installation of Arm Cylinder 1912
Removal of Arm Cylinder 1912
Installation of Arm Cylinder 1913
Removal and Installation of Boom Cylinder 1915
Removal of Boom Cylinder 1915
Installation of Boom Cylinder 1917
Removal and Installation of Elevator Cylinder 1919
Removal of Elevator Cylinder 1919
Installation of Elevator Cylinder 1922
Procedures for Operation/Assembly and Disassembly of Hydraulic Cylinder 1927
Specifications and Structure Diagram (including the assembly diagram and parts table) 1927
Basic Functions 1927
Function of Each Location 1927
Cylinder Head Assembly (made by KYB) 1928
Piston Assembly (made by KYB) 1929
Pipe Assembly (made by KYB) 1931
Handling Precautions 1932
Precautions for Installing the Cylinder on the Machine Body 1932
Usage Cautions 1932
Maintenance and Inspection Cautions 1933
Maintenance Inspection and Service 1934
Trouble Diagnostics 1935
Storage Standards 1940
Storing Parts Individually (In principle, store indoors ) 1940
When Mounted on Vehicle Body 1940
Recommended Anti-rust Oil 1941
Assembly and Disassembly Procedures 1941
Preparations ····· Prepare the Following before Starting Disassembly 1941
General Work Precautions 1941
Maintenance Standards 1942
Inspection after Assembly 1942
Required Tool 1943
General Tool 1943
Special Jig (made by KYB) 1944
Special Jig Parts Number List (made by KYB) 1945
Disassembly Procedures (made by KYB) 1946
Assembly Procedures (made by KYB) 1949
Test Operation 1953
Usage Limits 1954
Structural Diagram (made by KYB) 1955
Boom Cylinder 1955
Arm Cylinder 1959
Bucket Cylinder 1961
Elevator Cylinder 1963
HBCV 1965
structure 1965
Function 1965
operation explanation 1965
Port Diagram 1980
HBCV 1980
Air Bleed Procedure 1981
HBCV 1981
Boom Cylinder HBCV 1981
Arm Cylinder HBCV 1982
Removal and Installation of HBCV 1983
Removal and Installation of Arm HBCV 1984
Removal of Arm HBCV 1984
Installation of Arm HBCV 1984
Removal and Installation of Boom HBCV 1985
Removal of Boom HBCV 1985
Installation of boom HBCV 1986
Removal and Installation of Bucket Link 1987
Removal of Bucket Link 1987
Installation of Bucket Link 1987
Removal and Installation of Arm 1989
Removal of Arm 1989
Installation of Arm 1990
Removal and Installation of Boom 1992
Removal of Boom 1992
Installation of Boom 1996
Z OTHER 2000
Change from Type 6 2005
Overall Layout 2005
Lower 2006
Swing Unit 2007
Engine 2008
Hydraulic-related Data 2010
Oil Pressure Control 2011
Cab, House 2012
Electrical Data 2014
Electric Control 2014
250X4-MH 2015
ENGINE 2015
HYDRAULIC SYSTEM 2015
HYDRAULIC CONTROLS 2016
ELECTRICAL SYSTEM 2017
OPERATOR ENVIRONMENT 2017
UNDERCARRIAGE 2018
MASS 2018
DIMENSIONS 2019
WORKING RANGES 2019
SYSTEM FLUID CAPACITIES AND SPECIFICATIONS 2019
250X4-SL 2020
ENGINE 2020
HYDRAULIC SYSTEM 2020
HYDRAULIC CONTROLS 2021
ELECTRICAL SYSTEM 2021
OPERATOR ENVIRONMENT 2022
UNDERCARRIAGE 2023
MASS 2023
DIMENSIONS 2024
WORKING RANGES 2024
SYSTEM FLUID CAPACITIES AND SPECIFICATIONS 2024
Arm Dimension 2025
Long Arm [5 00 m (16 40 ft )] (MH) 2025
Long Arm [5 80 m (19 03 ft )] (SL) 2027
Main Unit Weight 2028
Divided Weight (MH) 2028
Divided Weight (SL) 2029
Stand Alone Part Weight (MH) 2029
Stand Alone Part Weight (SL) 2030
Shoe Weight (per Side) 2030
Arm Weight (MH) 2030
Arm Weight (SL) 2030
Bolt Size and Torque Table 2031
Special Torque Setting 2031
Overall View 2036
250X4-MH 2037
Long Arm [5 00 m (16 40 ft )] 2037
250X4-SL 2039
Long Arm [5 80 m (19 03 ft )] 2039
WORK RANGE DIAGRAM 2041
250X4-MH 2041
Long Arm (5 0 m (16 40 ft )) 2041
250X4-SL 2045
Long Arm [5 80 m (19 03 ft )] 2045
New Machine Performance Judgment Table 2047
Measurement Method 2047
Engine speed 2047
Pressure at each section 2047
Pump Command Displacement 2047
Cylinder Down Amount 2048
Attachment Speed 2048
Swing speed 2049
Swing (180°) Brake Angle 2049
Travel speed 2050
Off Travel Amount 2050
Travel sprocket rotation speed 2051
Shoe tension condition 2051
Transfer amounts of the swing ball race bearing and the bucket tip 2052
FLUIDS AND LUBRICANTS 2054
HYDRAULIC FLUID 2054
Engine Oil 2054
Fuel 2054
Conditions applicable to diesel fuel 2054
Recommended conditions applicable to diesel fuels 2054
Main-Unit-related Diagnostic Trouble Code List 2055
Main Unit-side Trouble 2058
Diagnostic Trouble Code: 7000 Pressure Sensor P1 Abnormality 2058
Diagnostic Trouble Code: 7001 Pressure Sensor P2 Abnormality 2060
Diagnostic Trouble Code: 7002 Pressure Sensor N1 Abnormality 2062
Diagnostic Trouble Code: 7003 Pressure Sensor N2 Abnormality 2064
Diagnostic Trouble Code: 7004 Pressure sensor boom cylinder bottom abnormality 2066
Diagnostic Trouble Code: 7007 Pressure sensor arm cylinder rod abnormality 2068
Diagnostic Trouble Code: 7021 Pressure sensor swing pilot abnormality 2070
Diagnostic Trouble Code: 7023 Pressure sensor arm-in pilot abnormality 2072
Diagnostic Trouble Code: 7040 Level sensor fuel abnormality 2074
Diagnostic Trouble Code: 7041 Temperature sensor hydraulic oil abnormality 2076
Diagnostic Trouble Code: 7060 Boom Angle Sensor Signal Abnormality 2078
Diagnostic Trouble Code: 7061 Arm Angle Sensor Signal Abnormality 2080
Diagnostic Trouble Code: 7062 Elevator Angle Sensor Signal Abnormality 2082
Diagnostic Trouble Code: 7065 Pressure sensor boom-up pilot abnormality 2084
Diagnostic Trouble Code: 7067 Pressure sensor bucket-close pilot abnormality 2086
Diagnostic Trouble Code: 7068 Pressure sensor boom-down pilot abnormality 2088
Diagnostic Trouble Code: 7069 Pressure sensor arm-out pilot abnormality 2090
Diagnostic Trouble Code: 7070 Pressure sensor bucket-open pilot abnormality 2092
Diagnostic Trouble Code: 7071 Pressure Sensor Travel Right Pilot Abnormality 2094
Diagnostic Trouble Code: 7072 Pressure Sensor Travel Left Pilot Abnormality 2096
Diagnostic Trouble Code: 7073 Pressure Sensor Travel 1 Pedal Abnormality 2098
Diagnostic Trouble Code: 7075 Pressure Sensor Arm Cylinder Bottom Abnormality 2100
Diagnostic Trouble Code: 7200 Swing Brake Solenoid Abnormality 2102
Diagnostic Trouble Code: 7201 Travel 2nd Speed Switchover Solenoid Abnormality 2104
Diagnostic Trouble Code: 7202 Pressure Boost Solenoid Abnormality 2105
Diagnostic Trouble Code: 7203 Travel Alarm Buzzer Abnormality 2106
Diagnostic Trouble Code: 7207 Free Swing Solenoid Abnormality 2107
Diagnostic Trouble Code: 7208 Fan reverse solenoid abnormality 2108
Diagnostic Trouble Code: 7212 Gate Lock Solenoid Abnormality 2109
Diagnostic Trouble Code: 7213 Quick Coupler Buzzer Abnormality 2111
Diagnostic Trouble Code: 7214 Quick Coupler Solenoid Abnormality 2113
Diagnostic Trouble Code: 7243 Boom Proportional Valve Signal Abnormality (interference prevention) 2115
Diagnostic Trouble Code: 7244 Arm Proportional Valve Signal Abnormality (interference prevention) 2117
Diagnostic Trouble Code: 7245 Offset (Elevator) Proportional Valve Signal Abnormality 2119
Diagnostic Trouble Code: 7247 Boom 2-Down Pilot Proportional Valve Abnormality 2121
Diagnostic Trouble Code: 7249 Bucket-Close Pilot Proportional Valve Abnormality 2123
Diagnostic Trouble Code: 7265 Arm 1 Semi-Parallel Proportional Valve Abnormality 2125
Diagnostic Trouble Code: 7266 Arm 2 Semi-Parallel Proportional Valve Abnormality 2127
Diagnostic Trouble Code: 7267 Arm 1 Regeneration Release Proportional Valve Abnormality 2129
Diagnostic Trouble Code: 7270 Tilting 1 Proportional Valve Abnormality 2131
Diagnostic Trouble Code: 7271 Tilting 2 Proportional Valve Abnormality 2133
Diagnostic Trouble Code: 7273 Straight Travel Proportional Valve Abnormality 2135
Diagnostic Trouble Code: 7274 Lift Cut Relay Abnormality 2137
Diagnostic Trouble Code: 7400 Coolant Temperature Overheating 1 2138
Diagnostic Trouble Code: 7401 Coolant Temperature Overheating 2 2139
Diagnostic Trouble Code: 7404 Oil Temperature Overheating 2140
Diagnostic Trouble Code: 7405 Boost Temperature Overheating 1 2141
Diagnostic Trouble Code: 7406 Boost Temperature Overheating 2 2142
Diagnostic Trouble Code: 7420 Alternator Power Generation Defect 2143
Diagnostic Trouble Code: 7421 Decrease in Coolant Level 2145
Diagnostic Trouble Code: 7422 Decrease in Engine Oil Pressure 2146
Diagnostic Trouble Code: 7423 Air Cleaner Clogging 2147
Diagnostic Trouble Code: 7426 Fuel Filter Clogging 1 2148
Diagnostic Trouble Code: 7427 Fuel Filter Clogging 2 2150
Diagnostic Trouble Code: 7428 Inducement (Remaining Urea Level Low) – Warning 2152
Diagnostic Trouble Code: 7429 Inducement (Remaining Urea Level Low) – Early 2153
Diagnostic Trouble Code: 7430 Inducement (Remaining Urea Level Low) – Final 2154
Diagnostic Trouble Code: 7602: ECM Communication Abnormality 2155
Diagnostic Trouble Code: 7603 Controller S communication abnormality 2157
Diagnostic Trouble Code: 7605 ECM Not Matched 2158
Diagnostic Trouble Code: 7606 EEPROM Abnormality 2159
Diagnostic Trouble Code: 7608 Camera Abnormality 2160
Diagnostic Trouble Code: 7612 Air Conditioner Communication Abnormality 2169
Diagnostic Trouble Code: 7613 Monitor communication (CAN) abnormality 2171
Diagnostic Trouble Code: 7615 Sub-controller 1 Communication Abnormality 2173
Diagnostic Trouble Code: 7618 DCU Communication Abnormality 2175
List of special tools 2177
NUMERICAL VALUE CONVERSION TABLE 2177
Unit Conversion Ratio 2177
Length 2178
Area 2181
Volume 2182
Weight 2184
Pressure 2186
Torque 2188
Temperature 2190
A 2192
Travel Motor Special Tool 2192
250X4-MH/250X4-SL 2192
Take-up Roller Special Tool 2199
250X4-MH/250X4-SL 2199
Upper Roller Special Tool 2200
250X4-MH/250X4-SL 2200
Lower Roller Special Tool 2201
250X4-MH/250X4-SL 2201
C 2202
Swing Motor Special Tool 2202
250X4-MH/250X4-SL 2202
H 2204
Engine Oil Filter Special Tool 2204
250X4-MH/250X4-SL 2204
Fuel Filter Special Tool 2204
250X4-MH/250X4-SL 2204
Injector Special Tool 2204
250X4-MH/250X4-SL 2204
Circuit Test Special Tool 2205
250X4-MH/250X4-SL 2205
Valve Guide Special Tool 2205
250X4-MH/250X4-SL 2205
Cylinder Head Special Tool 2205
250X4-MH/250X4-SL 2205
Head Bolt Special Tool 2208
250X4-MH/250X4-SL 2208
Crankshaft Special Tool 2208
250X4-MH/250X4-SL 2208
Valve Spring Special Tool 2211
250X4-MH/250X4-SL 2211
J 2212
Remote Control Valve Special Tool 2212
250X4-MH/250X4-SL 2212
R 2213
Gas Filling Special Tool 2213
250X4-MH/250X4-SL 2213
V 2214
Attachment Special Tool (for Cylinder Assembly) 2214
Special Jigs Part Number List 2214
Paint Colors 2216
Abbreviation 2218
Magnet Unit 2222
Construction machinery mounted magnet adsorption face repair 2222
General information 2222
General 2222
Fundamental notes in repair work 2222
Investigation before repair work 2223
Preparation 2223
Tool 2223
Materials 2224
Subsidiary materials 2224
Repairing procedure 2225
Check 2229
The check after repair work 2229

DESCRIPTION:

Linkbelt 250X4 MH 250X4 SL Material Handler Service Manual WLSM2507MH-01LX – PDF DOWNLOAD

General Information:
Cleaning
Clean the metal parts with a cleaning fluid or steamer that meets standards. (except for the bearing) After cleaning the parts, let them dry well and inject oil into all parts. Inject oil into the bearing after letting it dry.
Inspection
When disassembling parts, inspect all the parts. Replace any worn or damaged parts. Inspect them thoroughly to prevent early failures.
Bearing
If the bearing is loose, replace it. Install the bearing after air drying it.
Needle bearing
When inserting the needle bearing, be careful not to scratch it.
Inject grease into the location where the needle bearing is to be inserted.
Gear
Check for any wear or damage.
Oil seals, O-rings, gaskets
Always install new oil seals, O-rings, and gaskets. Inject grease into the locations where oil seals and O-rings are to be inserted.
Shaft
Check for any wear or damage. Check the oil seal on the bearing and damaged shaft.
Service parts
Install genuine LBX Link-Belt service parts. When ordering parts, see the parts catalog that has genuine LBX Link-Belt part numbers listed. Any failures caused by installing a nongenuine part are not covered by the warranty.
Lubrication (fuel, hydraulic oil)

• Use oils from specified manufacturers or the ones specified in the operator’s manual or Service Manual.
• Any failures caused by using other fuel or hydraulic oil than specified are not covered by the warranty.

Questions? Email us: [email protected]

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PLEASE NOTE:

• This is the SAME exact manual used by your dealers to fix your vehicle.
• The same can be yours in the next 2-3 mins as you will be directed to the download page immediately after paying for the manual.
• Any queries / doubts regarding your purchase, please feel free to contact [email protected]

S.V