Complete workshop repair service manual with electrical wiring diagrams for Hitachi ZX370-GI, ZX400-GI Excavator. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

Hitachi ZX370-GI, ZX400-GI Excavator service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

TOJAC-EN-00 - Hitachi ZX370-GI, ZX400-GI Excavator Technical Manual (Troubleshooting).pdf
TTJAC-EN-00 - Hitachi ZX370-GI, ZX400-GI Excavator Technical Manual (Troubleshooting).pdf
EM1JK-1-1 - Hitachi 400R-3, 400LCH-3 Hydraulic Excavator Operator's Manual.pdf
Hitachi ZX370LCH, ZX400MTH Excavator Electical Circuit Diagram.pdf
Hitachi ZX370LCH, ZX400MTH Excavator Hydraulic Circuit Diagram.pdf
P1JK-OP1-1 - Hitachi ZAXIS 400R-3, 400LCH-3 Excavator Parts Catalog.pdf

FORMAT: PDF
LANGUAGE: ENGLISH
TOTAL PAGES: 3,121

EXCERPT:
TECHNICAL MANUAL
(Operational Principle)
SECTION 1 GENERAL
Group 1 Specification
Group 2 Component Layout
Group 3 Component Specifications
SECTION 2 SYSTEM
Group 1 Controller
Group 2 Control System
Group 3 Hydraulic System
Group 4 Electrical System
SECTION 3 COMPONENT OPERATION
Group 1 Pump Device
Group 2 Swing Device
Group 3 Control Valve
Group 4 Pilot Valve
Group 5 Travel Device
Group 6 Signal Control Valve
Group 7 Others (Upperstructure)
Group 8 Others (Undercarriage)
...

EM1JK-1-1 - Hitachi 400R-3, 400LCH-3 Hydraulic Excavator Operator's Manual...2
  EM1JK-1-1...2
    INTRODUCTION...3
    MACHINE NUMBERS...4
    CONTENTS...8
    SAFETY...12
      RECOGNIZE SAFETY INFORMATION...12
      UNDERSTAND SIGNAL WORDS...12
      FOLLOW SAFETY INSTRUCTIONS...13
      PREPARE FOR EMERGENCIES...13
      WEAR PROTECTIVE CLOTHING...14
      PROTECT AGAINST NOISE...14
      INSPECT MACHINE...14
      GENERAL PRECAUTIONS FOR CAB...15
      USE HANDHOLDS AND STEPS...16
      ADJUST THE OPERATOR'S SEAT...16
      ENSURE SAFETY BEFORE RISING FROM OR LEAVING...16
      FASTEN YOUR SEAT BELT...17
      MOVE AND OPERATE MACHINE SAFELY...17
      HANDLE STARTING AIDS SAFELY...17
      OPERATE ONLY FROM OPERATOR'S SEAT...18
      JUMP STARTING...18
      KEEP RIDERS OFF MACHINE...18
      PRECAUTIONS FOR OPERATIONS...19
      INVESTIGATE JOB SITE BEFOREHAND...20
      EQUIPMENT OF HEAD GUARD, ROPS, FOPS...21
      PROVIDE SIGNALS FOR JOBS INVOLVING MULTIPLE...21
      CONFIRM DIRECTION OF MACHINE TO BE DRIVEN...21
      DRIVE MACHINE SAFELY...22
      AVOID INJURY FROM ROLLAWAY ACCIDENTS...24
      AVOID INJURY FROM BACK-OVER AND SWING...25
      KEEP PERSON CLEAR FROM WORKING AREA...26
      NEVER POSITION BUCKET OVER ANYONE...26
      AVOID UNDERCUTTING...26
      AVOID TIPPING...27
      NEVER UNDERCUT A HIGH BANK...27
      DIG WITH CAUTION...28
      OPERATE WITH CAUTION...28
      AVOID POWER LINES...29
      PRECAUTIONS FOR LIGHTENING...29
      OBJECT HANDLING...29
      PROTECT AGAINST FLYING DEBRIS...30
      PARK MACHINE SAFELY...30
      HANDLE FLUIDS SAFELY.AVOID FIRES...30
      TRANSPORT SAFELY...31
      PRACTICE SAFE MAINTENANCE...32
      WARN OTHERS OF SERVICE WORK...33
      SUPPORT MACHINE PROPERLY...33
      STAY CLEAR OF MOVING PARTS...33
      PREVENT PARTS FROM FLYING...34
      STORE ATTACHMENTS SAFELY...34
      PREVENT BURNS...35
      REPLACE RUBBER HOSES PERIODICALLY...35
      AVOID HIGH-PRESSURE FLUIDS...36
      PREVENT FIRES...37
      EVACUATING IN CASE OF FIRE...38
      BEWARE OF EXHAUST FUMES...38
      PRECAUTIONS FOR WELDING AND GRINDING...38
      AVOID HEATING NEAR PRESSURIZED FLUID LINES...39
      AVOID APPLYING HEAT TO LINES CONTAINING...39
      REMOVE PAINT BEFORE WELDING OR HEATING...39
      BEWARE OF ASBESTOS DUST...40
      PREVENT BATTERY EXPLOSIONS...40
      SERVICE AIR CONDITIONING SYSTEM SAFELY...40
      HANDLE CHEMICAL PRODUCTS SAFELY...41
      DISPOSE OF WASTE PROPERLY...41
    SAFETY SIGNS/Oceania Model Only...42
    SAFETY SIGNS/Europe/Asia/Middle and Near East Model Only...48
    COMPONENTS NAME...56
      COMPONENTS NAME...56
    OPERATOR'S STATION...57
      CAB FEATURES...57
      CAB FEATURES...58
      MULTI FUNCTION MONITOR...59
      OUTLINE...60
      ALARM OCCURRENCE SCREEN...71
      CONTENTS OF ALARMS...73
      ATTACHMENT SELECTION...76
      PUMP 2 FLOW RATE ADJUSTMENT...80
      DISPLAYING OPERATING CONDITIONS...81
      FUEL RATE DISPLAY/NO DISPLAY...82
      BACK MONITOR SETTINGS...90
      MAINTENANCE SETTINGS...92
      Mail...97
      LANGUAGE SETTINGS...99
      SWITCH PANEL...101
      ENGINE CONTROL DIAL...102
      AUTO-IDLE SWITCH...102
      POWER MODE SWITCH...103
      TRAVEL MODE SWITCH...103
      WORK LIGHT SWITCH...104
      WIPER/WASHER SWITCH...105
      SWITCH PANEL (Optional)...107
      KEY SWITCH...109
      POWER BOOST SWITCH...109
      HORN SWITCH...109
      CIGAR LIGHTER...110
      CAB LIGHT...111
      INSTALLING FIRE EXTINGUISHER (Optional)...111
      PILOT CONTROL SHUT-OFF LEVER...112
      ENGINE STOP SWITCH...112
      FUSE BOX...113
      ADDITIONAL FUSE BOX...113
      AUTO AIR CONDITIONER...114
      CAB HEATER OPERATION...117
      COOLING OPERATION...118
      DEFROSTER OPERATION...118
      TIPS FOR OPTIMAL AIR CONDITIONER USAGE...120
      CAB HEATER (Optional)...121
      CAB HEATER OPERATION...122
      DEFROSTER OPERATION...123
      AM/FM RADIO OPERATION...124
      DIGITAL CLOCK SETTING PROCEDURE...125
      CAB DOOR RELEASE LEVER...126
      OPENING UPPER FRONT WINDOW (Optional)...126
      CLOSING UPPER FRONT WINDOW (Optional)...127
      REMOVING AND STORING LOWER FRONT...128
      OPENING SIDE WINDOWS...128
      OPENING/CLOSING OVERHEAD WINDOW...129
      OPENING/CLOSING OVERHEAD WINDOW...129
      EMERGENCY EXIT...130
      EMERGENCY EXIT (Optional)...131
      ADJUSTING THE MECHANICAL SUSPENSION SEAT...132
      SEAT WITH A BUILT-IN HEATER...133
      ADJUSTING THE AIR-SUSPENSION SEAT...134
      SEAT WITH A BUILT-IN HEATER...135
      ADJUSTING THE FIXED SEAT (Optional)...136
      ADJUSTING CONSOLE HEIGHT...138
      SEAT BELT...139
    BREAK-IN...140
      OBSERVE ENGINE OPERATION CLOSELY...140
      EVERY 8 HOURS OR DAILY...140
      AFTER THE FIRST 50 HOURS...140
      AFTER THE FIRST 100 HOURS...140
    OPERATING THE ENGINE...142
      INSPECT MACHINE DAILY BEFORE STARTING...142
      BEFORE STARTING ENGINE...143
      STARTING THE ENGINE IN ORDINARY TEMPERATURE...144
      STARTING IN COLD WEATHER...146
      CHECK INSTRUMENTS AFTER STARTING...148
      USING BOOSTER BATTERIES...149
      STOPPING THE ENGINE...151
    DRIVING THE MACHINE...152
      DRIVE THE MACHINE CAREFULLY...152
      STEERING THE MACHINE USING PEDALS...153
      STEERING THE MACHINE USING LEVERS...154
      TRAVEL MODE SWITCH...155
      TRAVEL ALARM (Optional)...155
      OPERATING ON SOFT GROUND...156
      RAISE ONE TRACK USING BOOM AND ARM...156
      TOWING MACHINE A SHORT DISTANCE...157
      OPERATING IN WATER OR MUD...158
      PARKING THE MACHINE ON SLOPES...159
      PARKING THE MACHINE...159
    OPERATING THE MACHINE...160
      CONTROL LEVER (ISO PATTERN)...160
      CONTROL LEVER (HITACHI PATTERN) (OPTIONAL)...161
      ATTACHMENT PEDAL (HYDRAULIC BREAKER)...162
      ATTACHMENT PEDAL (ACCELERATOR TYPE)...163
      ATTACHMENT PEDAL (COMMON USE TYPE) IN...164
      ATTACHMENT PEDAL (HYDRAULIC CRUSHER)...165
      PILOT CONTROL SHUT-OFF LEVER...166
      ENGINE SPEED CONTROL...168
      AUTO-IDLE...169
      WORK MODE...170
      WORK MODE SELECT...171
      POWER BOOST...172
      POWER MODE...173
      OPERATING BACKHOE...174
      GRADING OPERATION...174
      AVOID ABUSIVE OPERATION...175
      OPERATING TIPS...176
      SELECT CORRECT TRACK SHOES...176
      HYDRAULIC BREAKER AND HYDRAULIC CRUSHER...177
      PIPINGS FOR BREAKER AND CRUSHER...178
      SECONDARY RELIEF PRESSURE ADJUSTMENT...179
      PRECAUTIONS FOR BREAKER OPERATION...180
      BREAKER MAINTENANCE...183
      PRECAUTIONS FOR CRUSHER OPERATION...185
      ATTACHMENT...187
      ATTACHMENT CONNECTION PARTS...191
      PRECAUTION FOR ARM ROLL-IN/BUCKET ROLL-IN...192
      WHEN INSTALLING AN ATTACHMENT LONGER...192
      SHACKLE HOLE USAGE...193
      OVERNIGHT STORAGE INSTRUCTIONS...193
      EMERGENCY BOOM LOWERING PROCEDURE...194
      OBJECT HANDLING --- IF EQUIPPED...195
      OBJECT HANDLING --- IF EQUIPPED...196
    TRANSPORTING...198
      TRANSPORTING BY ROAD...198
      LOADING/UNLOADING ON A TRAILER...198
      MACHINE LIFTING PROCEDURE...202
    MAINTENANCE...204
      CORRECT MAINTENANCE AND INSPECTION...204
      CHECK THE HOUR METER REGULARLY...205
      USE CORRECT FUELS AND LUBRICANTS...205
      LAYOUT...206
      MAINTENANCE GUIDE TABLE...207
      PREPARE MACHINE FOR MAINTENANCE...209
      HOOD AND ACCESS COVERS...210
      PERIODIC REPLACEMENT OF PARTS...211
      MAINTENANCE GUIDE...212
      A. GREASING...217
        ELECTRIC GREASE GUN...224
      B. ENGINE...232
      C. TRANSMISSION...235
      D. HYDRAULIC SYSTEM...239
        INSPECTION AND MAINTENANCE OF HYDRAULIC...239
        BREAKER MAINTENANCE...241
        SERVICE RECOMMENDATIONS FOR HYDRAULIC...253
      E. FUEL SYSTEM...255
      F. AIR CLEANER...266
      G. COOLING SYSTEM...268
      H. ELECTRICAL SYSTEM...274
        REPLACE BATTERIES...277
        FUSE BOX...278
        ADDITIONAL FUSE BOX...278
      I. MISCELLANEOUS...280
    HYDRAULIC CIRCUIT AND ELECTRICAL CIRCUIT...304
      HYDRAULIC CIRCUIT...304
      ELECTRICAL CIRCUIT...305
    MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS...308
      MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS...308
    STORAGE...310
      STORING THE MACHINE...310
      REMOVING THE MACHINE FROM STORAGE...311
    TROUBLESHOOTING...312
      IMPOSSIBLE TO START THE ENGINE...312
      ENGINE...313
      ELECTRICAL SYSTEM...317
      MODE SELECTION...319
      CONTROL LEVERS...320
      HYDRAULIC SYSTEM...320
    SPECIFICATIONS...324
      SPECIFICATIONS...324
      WORKING RANGES...325
      BUCKET TYPES AND APPLICATIONS...326
      SOUND LEVEL RESULTS...327
      VIBRATION LEVEL...327
    OPTIONAL ATTACHMENTS AND DEVICES...328
      LIFTING CAPACITIES...328
      LIFTING CAPACITIES...329
    INDEX...330
Hitachi ZX370LCH, ZX400MTH Excavator Electical Circuit Diagram...333
Hitachi ZX370LCH, ZX400MTH Excavator Hydraulic Circuit Diagram...338
P1JK-OP1-1 - Hitachi ZAXIS 400R-3, 400LCH-3 Excavator Parts Catalog...339
  COVER...339
  MEMORANDUM...340
  FOREWORD...341
  CONTENTS...354
  UPPER STRUCTURE...0
    FRAME...357
    COUNTERWEIGHT...359
    FUEL TANK...361
    FUEL TANK...363
    OIL TANK...365
    DRAIN PIPING...369
    MAIN PIPING (1)...371
    MAIN PIPING (2)...373
    MAIN PIPING (4)...375
    PILOT PIPING (F)...377
    ELECTRIC PARTS (C)...379
    ELECTRIC PARTS (E)...381
    HORN...385
    AIR CONDITIONER (1)...387
    AIR CONDITIONER (2)...389
    CAB...393
    CAB (1)...395
    CAB (2)...397
    FRONT GUARD (CAB)...399
    CAB GROUP (1)...401
    ANCHOR BOLT...403
    CAB MIRROR...405
    FLOOR PLATE...407
    TOOL BOX COVER...409
    TOOL BOX COVER...413
    SIDE WALK...417
  UNDER CARRIAGE...0
    TRACK FRAME <LCH>...419
    TRACK FRAME <R>...421
    FULL-LENGTH TRACK GUARD <LCH>...423
    FULL-LENGTH TRACK GUARD <R>...425
    STEP...427
    TRAVEL DEVICE...429
    TRAVEL DEVICE...431
    MOTOR;OIL (1/2)...435
    MOTOR;OIL (2/2)...437
    TRAVEL DEVICE SUPPORT...441
    FRONT IDLER (R)...443
    FRONT IDLER (L)...445
    ADJUSTER...447
    UPPER ROLLER...449
    LOWER ROLLER...451
    TRACK-LINK <LCH>...453
    TRACK-LINK <R>...455
    TRAVEL PIPING <LCH>...457
    TRAVEL PIPING <R>...459
    TRAVEL MOTOR COVER <R>...461
    TRAVEL MOTOR COVER <LCH>...463
  FRONT-END ATTACHMENTS...0
    H BOOM <H>...465
    R BOOM <R>...467
    H ARM 3.20m <H>...471
    R ARM 3.20m <R>...473
    LINK A <LCH>...475
    LINK A <R>...477
    LINK B <LCH>...479
    LINK B <R>...481
    FRONT PIPING <LCH>...483
    FRONT PIPING <R>...485
    LUBRICATE PIPING (BOOM)<LCH>...487
    LUBRICATE PIPING (BOOM)<R>...489
    LUBRICATE PIPING (ARM)<R>...491
    ROCK BUCKET 1.6m3 (JIS 94)...493
    ROCK BUCKET 1.5m3 (JIS 94)...495
  BREAKER, CRUSHER PARTS...0
    BREAKER,CRUSHER PIPING (BOOM)<R>...497
    LUBRICATE PIPING (BREAKER,CRUSHER)(BOOM)<R>...499
    BREAKER,CRUSHER PIPING (3.2m ARM)<R>...501
    CONTROL PEDAL (BREAKER)[ACCEL.PEDAL TYPE ]...503
    ELECTRIC PARTS (1)(BREAKER &CRUSHER)...505
    ELECTRIC PARTS (2)(BREAKER &CRUSHER)...507
    BREAKER,CRUSHER PIPING (MAIN)(1)<R>...509
    BREAKER,CRUSHER PIPING (MAIN)(1)<LCH>...511
  NAME-PLATE...0
    NAME-PLATE (1)<R>...513
    NAME-PLATE (2)<R>...517
    NAME-PLATE (3)<R>...521
    NAME-PLATE (1)<LCH>...523
    NAME-PLATE (2)<LCH>...529
    NAME-PLATE (3)<LCH>...541
  PARTS INDEX...545
TOJAC-EN-00 - Hitachi ZX370-GI, ZX400-GI Excavator Technical Manual (Troubleshooting)...555
TTJAC-EN-00 - Hitachi ZX370-GI, ZX400-GI Excavator Technical Manual (Troubleshooting)...902

Hitachi ZX370-GI, ZX400-GI Excavator Factory Service & Shop Manual