Hitachi ZX240-5G, ZX240LC-5G, ZX250H-5G, ZX250LCH-5G Excavator Factory Service & Shop Manual
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Complete service repair manual with Electrical Wiring Diagrams for Hitachi Excavators ZX240-5G, ZX240LC-5G, ZX250H-5G, ZX250LCH-5G, with all the technical information to maintain, diagnose, repair, and rebuild like professional mechanics.
Hitachi Excavators ZX240G, ZX250HG Series workshop service repair manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.
TODCE-EN-00 - Hitachi ZX240-5G, ZX240LC-5G, ZX250H-5G, ZX250LCH-5G Hydraulic Excavator Technical Manual (Operational Principle).pdf
TTDCE-EN-00 (attach to) - Hitachi ZX240-5G, ZX240LC-5G, ZX250H-5G, ZX250LCH-5G Hydraulic Excavator Electrical Wiring Diagram.pdf
TTDCE-EN-00 - Hitachi ZX240-5G, ZX240LC-5G, ZX250H-5G, ZX250LCH-5G Hydraulic Excavator Technical Manual (Troubleshooting).pdf
WDCE-EN-00 - Hitachi ZX240-5G, ZX240LC-5G, ZX250H-5G, ZX250LCH-5G Hydraulic Excavator Workshop Manual.pdf
PRODUCT DETAILS:
Total Pages: 1,312 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
TABLE OF CONTENTS
TODCE-EN-00 - Hitachi ZX240-5G, ZX240LC-5G, ZX250H-5G, ZX250LCH-5G Hydraulic Excavator Technical Manual (Operational Principle)....2
TODCE-EN-00....2
INTRODUCTION....4
SYMBOL AND ABBREVIATION....6
SECTION AND GROUP CONTENTS....8
SECTION 1 GENERAL....10
Group 1 Specifications....12
Specifications....12
Specifications....13
Working Ranges (Grouser shoe)....14
Working Ranges (Grouser shoe)....15
Group 2 Component Layout....16
Main Component....16
Electrical System (Overview)....17
Engine....18
Electrical System (In Cab)....18
Electrical System (Rear Tray)....19
Electrical System (Switch Panel)....20
Electrical System (Around Air Cleaner)....21
Electrical System (Relays)....22
Pump Device....23
Control Valve....24
Signal Control Valve....24
Swing Device....26
Travel Device....26
3-Spool Solenoid Valve Unit....27
Layout of Attachment Spec. Parts....29
Group 3 Component Specifications....34
Engine....34
Engine Accessories....38
Hydraulic Component....39
Electrical Component....43
SECTION 2 SYSTEM....46
Group 1 Controller....48
Outline....48
CAN Circuit....49
Group 2 Control System....52
Outline....52
Engine Control....55
Pump Control....81
Valve Control....91
Other Control....107
Group 3 Hydraulic System....112
Outline....112
Pilot Circuit....113
Main Circuit....123
Group 4 Electrical System....138
Outline....138
Main Circuit....139
Electric Power Circuit (Key Switch: OFF)....141
CAN Circuit....143
Accessory Circuit....145
Preheating Circuit (Key Switch: ON, START)....147
Starting Circuit (Key Switch: START)....149
Charging Circuit (Key Switch: ON)....153
Surge Voltage Prevention Circuit....157
Pilot Shut-Off Circuit (Key switch: ON)....159
Engine Stop Circuit....161
Monitor Circuit....164
Security Circuit....165
Radio Circuit....167
Air Conditioner Circuit....167
Accessory Circuit....170
Work Light Circuit....171
Wiper/Washer Circuit....173
Cab Light Circuit....175
SECTION 3 COMPONENT OPERATION....180
Group 1 Pump Device....182
Outline....182
Main Pump....183
Regulator....187
Solenoid Valve....205
Pilot Pump....207
Pump Delivery Pressure Sensor....207
Pump Control Pressure Sensor....207
N Sensor (Engine Speed Sensor)....208
Group 2 Swing Device....210
Outline....210
Swing Reduction Gear....211
Swing Motor....212
Swing Parking Brake....213
Valve Unit....215
Group 3 Control Valve....218
Outline....218
Hydraulic Circuit....239
Flow Combiner Valve....245
Main Relief Valve....247
Overload Relief Valve (with Make-Up Function)....251
Regenerative Valve....255
Anti-Drift Valve....259
Flow Rate Control Valve....263
Digging Regenerative Valve....267
Boom Lower Meter-In Cut Valve....269
Auxiliary Flow Combiner Valve and Bypass Shut-Out Valve....271
Group 4 Pilot Valve....276
Outline....276
Operation (Front Attachment / Swing and Travel Pilot Valves)....278
Operation (Auxiliary Pilot Valve)....286
Shockless Function (Only for Travel Pilot Valve)....291
Group 5 Travel Device....292
Outline....292
Travel Reduction Gear....293
Travel Motor....295
Parking Brake....297
Travel Brake Valve....299
Overload Relief Valve....303
Travel Mode Control....305
Group 6 Signal Control Valve....310
Outline....310
Pilot Port....311
Shuttle Valve....316
Shockless Valve....319
Pump 1 and 2 Flow Rate Control Valve....323
Bucket Flow Rate Control Valve Control Spool, Flow Combiner Valve Control Spool, Swing Parking Brake Release Spool, Arm 1 Flow Rate Control Valve Control Spool....325
Group 7 Others (Upperstructure)....328
Pilot Shut-Off Solenoid Valve....328
Solenoid Valve....330
Pilot Relief Valve....333
EC Motor....333
Hose Rupture Valve....335
Group 8 Others (Undercarriage)....342
Swing Bearing....342
Center Joint....343
Track Adjuster (Front Idler Integrated Type)....344
SERVICE MANUAL REVISION REQUEST FORM....348
TTDCE-EN-00 (attach to) - Hitachi ZX240-5G, ZX240LC-5G, ZX250H-5G, ZX250LCH-5G Hydraulic Excavator Electrical Wiring Diagram....350
ELECTRICAL CIRCUIT DIAGRAM....350
CONNECTORS....351
CAB HARNESS....352
ENGINE HARNESS....353
PUMP HARNESS....354
MONITOR HARNESS....355
KEY-SWITCH HARNESS....356
GSM (MOBILE COMMUNICATION TERMINAL) HARNESS....357
SATELLITE COMMUNICATION HARNESS....358
PILOT SHUT-OFF SOLENOID VALVE HARNESS....359
REARVIEW CAMERA HARNESS....360
HYDRAULIC CIRCUIT DIAGRAM (STANDARD)....361
HYDRAULIC CIRCUIT DIAGRAM (OPTIONAL)....362
TTDCE-EN-00 - Hitachi ZX240-5G, ZX240LC-5G, ZX250H-5G, ZX250LCH-5G Hydraulic Excavator Technical Manual (Troubleshooting)....363
TTDCE-EN-00....363
INTRODUCTION....365
SYMBOL AND ABBREVIATION....367
SAFETY....369
SECTION AND GROUP CONTENTS....409
SECTION 4 OPERATIONAL PERFORMANCE TEST....411
Group 1 Introduction....413
Operational Performance Tests....413
Preparation for Performance Tests....414
Group 2 Standard....415
Operational Performance Standard Table....415
Main Pump P-Q Diagram....421
Sensor Activating Range....423
MPDr. Monitor Indicating Values....424
Group 3 Engine Test....433
Engine Speed....433
Engine Compression Pressure....436
Valve Clearance....438
Nozzle....440
Injection Timing....442
Lubricant Consumption....444
Group 4 Machine Performance Test....445
Travel Speed....445
Track Revolution Speed....446
Mistrack Check....447
Travel Parking Leakage....448
Swing Speed....449
Swing Function Drift Check....450
Swing Motor Leakage....452
Maximum Swingable Slant Angle....454
Swing Bearing Play....456
Hydraulic Cylinder Cycle Time....458
Dig Function Drift Check....460
Control Lever Operating Force....463
Control Lever Stroke....464
Combined Operation of Boom Raise / Swing Function Check....465
Combined Operation of Boom Raise / Arm Roll-In Function Check....466
Group 5 Component Test....467
Primary Pilot Pressure....467
Secondary Pilot Pressure....469
Solenoid Valve Set Pressure....470
Main Pump Delivery Pressure....472
Main Relief Set Pressure....474
Relief pressure (when relieving swing)....478
Overload Relief Valve Set Pressure....480
Main Pump Flow Rate Measurement....482
Swing Motor Drainage....490
Travel Motor Drainage....492
Group 6 Adjustment....495
Engine Speed Adjustment and Engine Learning....495
Governor Lever and Fuel Cut Lever Position....500
SECTION 5 TROUBLESHOOTING....505
Group 1 Diagnosing Procedure....507
Introduction....507
Diagnosis Procedure....508
Electric System Inspection....511
Precautions for Inspection and Maintenance....512
Instructions for Disconnecting Connectors....514
Fuse Inspection....516
Fusible Link Inspection....518
Battery Voltage Check....519
Alternator Check....520
Continuity Check....521
Voltage and Current Measurement....522
Check by False Signal....529
Test Harness....530
Group 2 Monitor....533
Outline....533
Operating Procedures of Service Menu (Built-In Diagnosing System)....534
Setting Menu....567
Inspection of Hour Meter and Fuel Gauge....569
Fuel Gauge and Coolant Temperature Gauge....570
Group 3 e-Service....571
Outline....571
List of Operation Data....572
Snapshot Data....576
Communication System....577
Group 4 Component Layout....579
Main Component....579
Electrical System (Overview)....580
Engine....581
Electrical System (In Cab)....581
Electrical System (Rear Tray)....582
Electrical System (Switch Panel)....583
Electrical System (Around Air Cleaner)....584
Electrical System (Relays)....585
Pump Device....586
Control Valve....587
Signal Control Valve....587
Swing Device....589
Travel Device....589
3-Spool Solenoid Valve Unit....590
Layout of Attachment Spec. Parts....592
Components in Control Valve....596
Pilot Port....616
Group 5 Troubleshooting A....621
Troubleshooting A (Base Machine Diagnosis By Using Fault Codes) Procedure....621
MC Fault Code List....623
ECF Fault Code List....633
Monitor Controller (Monitor) Fault Code List....634
Monitor Controller (Information) Fault Code List....635
Air Conditioner Controller Fault Code List....638
Communication Terminal Fault Code List....639
MC Fault Codes 11000 to 11002....641
MC Fault Code 11003....642
ECF Fault Code 16603....642
MC Fault Codes 11006, 11007, 11009....645
ECF Fault Code 16604....645
Monitor Controller (Monitor) Fault Codes 13002, 13003, 13005....645
CAN0 Harness Check....646
MC Fault Codes 11008, 11010....649
Monitor Controller (Monitor) Fault Codes 13004, 13006, 13007....649
CAN1 Harness Check....650
MC Fault Code 11100....653
MC Fault Code 11101....654
MC Fault Codes 11200, 11202....655
MC Fault Codes 11206, 11208....656
MC Fault Codes 11301 to 11303....657
MC Fault Codes 11304, 11307....658
MC Fault Code 11400....659
MC Fault Code 11401....660
MC Fault Code 11402....661
MC Fault Code 11403....662
MC Fault Code 11407....663
MC Fault Code 11901....664
ECF Fault Codes 16600 to 16602....665
ECF Fault Code 16605....666
ECF Fault Code 16606....667
Air Conditioner Controller Fault Codes 11 to 22....668
Air Conditioner Controller Fault Codes 43 to 92....669
Monitor Controller (Information) Fault Codes 13304, 13310....670
Monitor Controller (Information) Fault Code 13311....671
Monitor Controller (Information) Faul tCodes 20100 to 20114....672
Group 6 Troubleshooting B....673
Troubleshooting B (Machine Diagnosis by Using Troubleshooting Symptom) Procedure....673
Relationship between Machine Trouble Symptoms and Related Parts....675
Correlation between Trouble Symptoms and Part Failures....694
Engine System Troubleshooting....708
All Actuator System Troubleshooting....722
Front Attachment System Troubleshooting....729
Swing System Troubleshooting....741
Travel System Troubleshooting....743
Other System Troubleshooting....748
Exchange Inspection....749
How to Lowering Boom in Case of Emergency and When Engine Stops....752
Group 7 Air Conditioner....753
Outline....753
Functions of Main Parts....756
Troubleshooting....761
Air Conditioner Controller Fault Code List....762
Air Conditioner Controller Fault Codes 11 to 22....763
Air Conditioner Controller Fault Codes 43 to 92....764
Work after Replacing Components....786
Refill Compressor Oil....787
Charge Air Conditioner with Refrigerant....788
Hose and Pipe Tightening Torque....796
SERVICE MANUAL REVISION REQUEST FORM....799
The Attached Diagram List....800
WDCE-EN-00 - Hitachi ZX240-5G, ZX240LC-5G, ZX250H-5G, ZX250LCH-5G Hydraulic Excavator Workshop Manual....801
WDCE-EN-00....801
INTRODUCTION....803
SYMBOL AND ABBREVIATION....805
SAFETY....807
SECTION AND GROUP CONTENTS....847
SECTION 1 GENERAL....849
Group 1 Precautions for Disassembling and Assembling....851
Precautions for Disassembling andAssembling....851
Group 2 Tightening....857
Tightening Bolts and Nuts....857
Piping Joint....860
Group 3 Painting....865
Painting....865
Group 4 Bleeding Air....867
Bleeding Air from Hydraulic Oil Tank....867
Bleeding Air from Hydraulic System....868
Bleeding Air from Fuel System....869
Bleeding Air from Radiator....871
Group 5 Pressure Release Procedure....873
Hydraulic Circuit Pressure Release Procedure....873
Group 6 Preparation....875
Preparation before Inspection and Maintenance....875
SECTION 2 MAINTENANCE STANDARD....879
Group 1 Upperstructure....881
Pump Device....881
Swing Motor....885
Group 2 Undercarriage....889
Travel Motor....889
Sprocket....891
Front Idler....893
Upper Roller....895
Lower Roller....896
Track....897
Group 3 Front Attachment....901
Pin and Bushing....901
Side Cutter (2021232, 2021233)....903
Point (4512365)....904
Standard Dimensions for Arm and Bucket Connection....905
Standard Dimensions for Arm and Boom Connection....906
Cylinder....907
SECTION 3UPPERSTRUCTURE....911
Group 1 Cab....913
Removal and Installation of Cab....913
Dimensions of Cab Glass....929
Group 2 Counterweight....949
Removal and Installation of Counterweight....949
Group 3 Main Frame....951
Removal and Installation of Main Frame....951
Group 4 Engine....957
Removal and Installation of Engine....957
Group 5 Radiator Assembly....975
Replacement of Radiator, Oil Cooler, and Intercooler....975
Group 6 Hydraulic Oil Tank....987
Removal and Installation of Hydraulic Oil Tank....987
Group 7 Fuel Tank....995
Removal and Installation of Fuel Tank....995
Group 8 Pump Device....1003
Removal and Installation of Pump Device....1003
Removal and Installation of Coupling....1009
Disassembly of Pump Device....1011
Assembly of Pump Device....1018
Disassembly of Regulator....1029
Assembly of Regulator....1031
Disassembly of Solenoid Valve....1033
Assembly of Solenoid Valve....1035
Structure of Pilot Pump....1037
Group 9 Control Valve....1039
Removal Installation of Control Valve....1039
Disassembly of Housing....1053
Assembly of Housing....1055
Disassembly of Control Valve (4-Spool Side)....1057
Assembly of Control Valve (4-Spool Side)....1064
Disassembly of Control Valve (5-Spool Side)....1075
Assembly of Control Valve (5-Spool Side)....1082
Group 10 Swing Device....1091
Removal and Installation of Swing Device....1091
Disassembly of Swing Device....1095
Assembly of Swing Device....1100
Disassembly of Swing Motor....1107
Assembly of Swing Motor....1110
Group 11 Pilot Valve....1113
Removal and Installation of Pilot Valve (Left)....1113
Removal and Installation of Pilot Valve (Right)....1119
Removal and Installation of Travel Pilot Valve....1127
Disassembly of Pilot Valves (Right and Left)....1131
Assembly of Pilot Valves (Right and Left)....1134
Disassembly of Travel Pilot Valve....1137
Assembly of Travel Pilot Valve....1141
Group 12 Solenoid Valve....1147
Removal and Installation of Pilot Shut-Off Solenoid Valve....1147
Removal and Installation of 3-Spool Solenoid Valve Unit....1151
Disassembly of Pilot Shut-Off Solenoid Valve....1155
Assembly of Pilot Shut-Off Solenoid Valve....1157
Structure of 3-Spool Solenoid Valve Unit....1159
Group 13 Signal Control Valve....1161
Removal and Installation of Signal Control Valve....1161
Structure of Signal Control Valve....1167
SECTION 4 UNDERCARRIAGE....1171
Group 1 Swing Bearing....1173
Removal and Installation of Swing Bearing....1173
Disassembly of Swing Bearing....1177
Assembly of Swing Bearing....1180
Group 2 Travel Device....1183
Removal and Installation of Travel Device....1183
Disassembly of Travel Device....1187
Assembly of Travel Device....1191
Disassembly of Travel Motor....1199
Assembly of Travel Motor....1202
Disassembly of Brake Valve....1207
Assembly of Brake Valve....1209
Precautions for Using Floating Seal....1211
Group 3 Center Joint....1213
Removal and Installation of Center Joint....1213
Disassembly of Center Joint....1217
Assembly of Center Joint....1219
Replacement of Body and Spindle....1222
Group 4 Track Adjuster....1223
Removal and Installation of Track Adjuster....1223
Disassembly of Front Idler....1227
Assembly of Front Idler....1230
Disassembly of Track Adjuster....1233
Assembly of Track Adjuster....1237
Precautions for Using Floating Seal....1241
Group 5 Upper and Lower Rollers....1243
Removal and Installation of Upper Roller....1243
Removal and Installation of Lower Roller....1247
Disassembly of Lower Roller....1253
Assembly of Lower Roller....1255
Precautions for Using Floating Seal....1257
Group 6 Track....1259
Removal and Installation of Track....1259
SECTION 5 FRONT ATTACHMENT....1267
Group 1 Front Attachment....1269
Removal and Installation of Front Attachment....1269
Group 2 Cylinder....1277
Removal and Installation of Boom Cylinder....1277
Removal and Installation of Arm Cylinder....1281
Removal and Installation of Bucket Cylinder....1287
Disassembly of Boom, Arm, Bucket Cylinders....1291
Assembly of Boom, Arm, Bucket Cylinders....1295
SERVICE MANUAL REVISION REQUEST FORM....1301
Hitachi Excavators ZX240-5G, ZX240LC-5G, ZX250H-5G, ZX250LCH-5G Repair Service Manuals