All-Inclusive Factory Service Technical manual for Hitachi Wheel Loaders Models LX70-7

This manual will assist you in diagnosing, repairing, operating, troubleshooting, and finding spare parts for your wheel loader

Covered Models:
   LX70-7

The manual comprises 8 documents, including the General Information, Technical Manual, Workshop Manual, Operators Manual, Wiring Diagram, Hydraulic Circuit Diagram, and two Parts Catalogs

1. General Information (TTLA0607)
Format: PDF, 24 pages
Language: English
Table of Contents:
   Side View
   Front View
   Rear View
   Bucket Connection Points
   Bucket Leveler
   Pin on Bucket
   Radiator
   Tire
   Engine
   Brake Oil Tank
   Battery
   Fuel Tank
   Operator’s Cab
   Under the Operator’s Cab
   HST Pump
   Gear Pumps
   HST Pump
   Hinge Point
   HST Motor
   Transmission
   Parking Brake
   Parking Brake & Rear Propeller Shaft
   Rear Propeller Shaft, Axle Support & Rear Axle
   Front Propeller Shaft, Front Axle & Brake Line
   Front Axle
   Front Axle & Oil Check Port
   Attachment Control
   Hydraulic Oil Tank
   Hydraulic Oil Tank

2. Technical Manual (T077E-01(LX70-7_80-7))
Format: PDF, 184 pages
Language: English
Table of Contents:
   FOREWORD
   TABLE OF CONTENTS
   SPECIFICATIONS
      OUTER VIEWS
      SPECIFICATIONS
   ENGINE AND RELATED COMPONENTS
      ENGINE
      LUBRICATING SYSTEM
      COOLING SYSTEM
      FUEL SYSTEM
      INTAKE AND EXHAUST SYSTEM
      ELECTRICAL SYSTEM
      ENGINE CONTROL UNIT
   POWER TRAIN
      HST UNIT
      HST PUMP
      HST MOTOR
      TRANSMISSION
      PROPELLER SHAFT
      DRIVE AXLES (FRONT AND REAR)
      WHEEL ASSEMBLY (TIRE AND WHEEL)
   BRAKE SYSTEM
      SERVICE BRAKE
      P PARKING BRAKE
   STEERING SYSTEM
      GENERAL DESCRIPTION
      OIL CIRCULA CIRCULATION ROUTES
      STEERING WHEEL UNIT
      STEERING VALVE (ORBITROL)
      PRIORITY VALVE
      STEERING CYLINDER
   FRAME AND COCKPIT
      FRAME
      CENTER HINGE PIN
   HYDRAULIC SYSTEM
      OIL CIRCULATION ROUTES
      PUMP
      CONTROL VALVE
      VALVE CONTROLS
      OIL TANK
   LOAD HANDLING SYSTEM
      BOOM, BELLCRANK, AND BUCKET
      CYLINDERS
      ANTI-PITCHING SYSTEM (APS) [OPTION]
   ELECTRIC SYSTEM
      LIGHTING UNIT
      METERS AND SWITCHES
      LOCATION OF RELAYS
      ELECTRIC CIRCUIT DIAGRAM
   SERVICE MANUAL REVISION REQUEST FORM

3. Workshop Manual (W077E-02(LX70,80-7)WM)
Format: PDF, 408 pages
Language: English
Table of Contents:
   IMPORTANT SAFETY NOTICE
   FOREWORD
   GENERAL DESCRIPTION
      SAFETY PRECAUTIONS
      FUNDAMENTAL KNOWLEDGE OF MAINTENANCE
      CLEANING
      STANDARD BOLT TIGHTENING TORQUE
      LUBRICATION
      SAFETY PARTS TO BE REPLACED PERIODICALLY
   POWER TRAIN
      DISASSMBLY AND REASSEMBLY OF HST PUM
      DISASSEBLY AND REASSEMBLY OF TRANSMISSION
      DESASSEMBLY AND REASSEMBLY OF DRIVE AXLE
   BRAKE SYSTEM
      DISASSEMBLY AND REASSEMBLY OF BRAKE VALVE
   STEERING SYSTEM
      DISASSEMBLY AND REASSEMBLY OF ORBITROL
      DISASSEMBLY ADN REASSEMBLY OF STEERING CYLINDER
      DISASSEMBLY AND REASSEMBLY OF PRIORITY VALVE
   HYDRAULIC SYSTEM
      DISASSEMBLY AND REASSEMBLY OF MAIN PUMP
      DISASSEMBLY AND REASSEMBLY OF MAIN VALVE
      DISASSEMBLY AND REASSEMBLY FO BOOM CYLINDER AND BUCKET CYLINDER (L12-3, LX70-7)
      DISASSEMBLY AND REASSEMBLY OF BUCKET CYLINDER (L16-3, LX80-7)
      DISASSEMBLY AND REASSEMBLY OF TRAVEL DAMPER VALVE FOR APS (OPTION)
   ELECTRIC UNIT
      ELECTRICAL EQUIPMENT LAYOUT DRAWING
      WIRE HARNESS (REFERENCE)
      STARTING SYSTEM ELECTRIC CIRCUIT
      ELECTRIC CIRCUIT DIAGRAM
   ENGINE AND ACCESSORY
      GENERAL INFORMATION
      MAINTENANCE
      ENGINE ASSEMBLY 1
      ENGINE ASSEMBLY 2
      ENGINE ASSEMBLY 3
      LUBRICATING SYSTEM
      FUEL SYSTEM
      TURBOCHARGER
      AIR COMPRESSOR
      ENGINE ELECTRICALS
      TROUBLESHOOTING
      SPECIAL TOOL LIST
      REPAIR STANDARDS
      CONVERSION TALBE
   REVISION REQUEST FORM

4. Operators Manual (OW-619BE(H))
Format: PDF, 164 pages
Language: English
Table of Contents:
   FOREWORD
   SAFETY INSTRUCTIONS
   DECALS (MACHINE SIGNS)
   QUALIFIED OPERATOR AND REGULATIONS
   SAFETY COMPONENTS
   OPERATION
      PICTORIAL NOMENCLATURE
      INSTRUMENTS AND CONTROLS
      HANDLING CAB, HEATER, AIR CONDITIONER, AND RADIO
   TRAVELING
      SAFE TRAVELING
      BREAK-IN PERIOD
      BEFORE STARTING THE ENGINE
      STARTING THE ENGINE
      AFTER STARTING THE ENGINE
      STARTING AND STOPPING THE LOADER
      TRANSPORTING THE LOADER
      TOWING
      MEASURES TO BE TAKEN IN AN EMERGENCY
      HANDLING IN COLD WEATHER
      HANDLING TIRES
      HANDLING ONE-TOUCH COUPLER (NON-HYDRAULIC AND HYDRAULIC TYPES)
   LOADING OPERATION
      SAFE LOADING OPERATION
      BEFORE LOADING
      DIGGING
      GROUND DIGGING (DIGGING ON A LEVEL SURFACE)
      DUMPING
      LEVELING
      BULLDOZING
      SNOW REMOVAL
      HOISTING THE LOADER
      ADJUSTING BUCKET AUTOLEVELER
   STORING THE LOADER
      DAILY STORING
      LONG-TERM STORAGE
      OPERATING THE LOADER AFTER LONG-TERM STORAGE
   MAINTENANCE
      SAFE SERVICING AND MAINTENANCE
      LOCATIONS OF FILLER PORTS
      GREASE FITTING LOCATIONS
      ENGINE COMPARTMENT
   PERIODIC INSPECTION
      PERIODIC INSPECTION LIST
      BEFORE STARTING (EVERY DAY) CHECKS
      50 HRS. CHECKS
      100 HRS. CHECKS
      250 HRS. CHECKS
      500 HRS. CHECKS
      1000 HRS. CHECKS
      2000 HRS. CHECKS
      400 HRS. CHECKS
      MAINTENANCE OF AIR CONDITIONER
      MAINTENANCE OF BATTERY
      MAINTENANCE OF COOLANT
      MAINTENANCE OF TIRES AND WHEELS
      PERIODICAL REPLACEMENT OF SAFETY PARTS
      LIST OF LUBRICANTS
      OIL CAPACITY
      TROUBLESHOOTING GUIDE
   INFORMATION
      SPECIFICATIONS
      NAME PLATE & SERIAL NUMBER
      ENGINE SERIAL NUMBER
      WRITE DOWN YOUR LOADER DATA HERE
      ISUZU ENGINE WARRANTY STATEMENT
      MAINTENANCE LOG
      NOTES

5. Wiring Diagram (LX70-7_LX80-7(1))
Format: PDF, 1 page
Language: English

6. Hydraulic Circuit Diagram (LX70-7_LX80-7(2))
Format: PDF, 1 page
Language: English

7. Parts Catalog (PW-63YA(H))
Format: PDF, 427 pages
Language: English, Japan
Table of Contents:
   PW-63YA(H)
   INTRODUCTION
   ENGINE
      ENGINE MOUNT
      ENGINE CONTROL
      COOLING SYSTEM
      RADIATOR
      DUST PROOF RADIATOR MOUNT (DPR)
      RADIATOR (DPR)
      FUEL SYSTEM
      DOUBLE FUEL FILTER (FF)
      AIR INTAKE PARTS
      DOUBLE ELEMENT AIR CLEANER (ADE)
      PRE CLEANER (APL)
      INTERNAL AIR INTAKE (CAN)
      EXHAUST PARTS
      EXHAUST PARTS (NCK)
      EXHAUST PARTS (FF)
   ELECTRICAL
      ELECTRICAL PARTS (WIRE HARNESS)
      FRONT FRAME WIRING
      COCKPIT WIRING
      REAR FRAME WIRING (1/2)
      REAR FRAME WIRING (2/2)
      BATTERY CABLE
      BATTERY
      INSTRUMENT PANEL
      CLUSTER METER
      SWITCH
      ELECTRICAL PARTS (LAMP)
      ELECTRICAL PARTS (RELAY)
      ELECTRICAL PARTS (SWITCH)
      REAR WORKING LAMP (RWL)
      ELECTRICAL PARTS (HORN & BUZZER)
      ELECTRICAL HORN (EHN)
      CAR STEREO (CRS)
      CAR STEREO (CRS002)
      CAR STEREO (CRSEU1)
      CAR STEREO (CRSNA1)
      CAR RADIO (CRD)
      CAR RADIO (CRD002)
      CAR RADIO (CRDEU1/SCB001)
      CAR RADIO (CRDEU1/ROC001)
      CAR RADIO (CRDNA1/SCB001)
      CAR RADIO (CRDNA1/ROC001)
      REVOLVING LAMP (RLY001)
      REVOLVING LAMP (RLYS01)
      REVOLVING LAMP (RLYS02)
      REVOLVING LAMP LESS KIT (RLYLS1,RLYLS2)
      BURGLARPROOF SYSTEM (BPS)
      BURGLARPROOF SYSTEM (IML)
      HEATER (HR400A)
      HEATER (PIPING) (HR400A)
      HEATER (ELECTRICAL) (HR400A)
      HEATER UNIT (HR400A)
      REAR DEFROSTER KIT (DEF001)
      REAR DEFROSTER KIT (1/2) (DEF002)
      REAR DEFROSTER KIT (2/2) (DEF002)
   POWER TRAIN
      HST PUMP MOUNT
      HST PUMP
      CONTROL VALVE
      MANIFOLD VALVE
      TRANSMISSION MOUNT
      TRANSMISSION (1/2)
      TRANSMISSION (2/2)
      CLUTCH
      CONTROL VALVE
      PISTON MOTOR
      ROTARY GROUP
      CONTROL
      CONTROL PARTS
      FLASH. BOOST PRESSURE VALVE
      DRIVE AXLE (FRONT) (1/2)
      DRIVE AXLE (FRONT) (2/2)
      DRIVE AXLE (REAR) (1/2)
      DRIVE AXLE (REAR) (2/2)
      PLANET CARRIER
      WHEEL & TIRE
      NO-PUNCTURE TIRE (TU)
      TIRE ATTACHMENT (TR2005,TR2006)
      SPARE TIRE (TR2S00,TR2S05,TR2S06)
      SPARE TIRE (TUS01)
      PROPELLER SHAFT
   BRAKE
      BRAKE PEDAL
      BRAKE VALVE
      BRAKE LINE (FRONT AXLE)
      BRAKE LINE (REAR AXLE)
      BRAKE OIL RESERVIOR
   STEERING
      STEERING WHEEL UNIT
      STEERING WHEEL
      ORBITROL
      STEERING CYLINDER
   FRAME
      FRONT FRAME
      REAR FRAME
      BALANCE WEIGHT
      BALANCE WEIGHT (OP)
      COUNTER WEIGHT (CW063)
      COCKPIT & SEAT
      SUSPENSION SEAT (SUS001)
      SUSPENSION SEAT (SUS002)
      DELUXE SEAT (SET)
      SEAT (SET)
      AIR SUSPENSION SEAT (SETAS)
      SEAT BELT (SEB3)
      COCKPIT MOUNT
      CONTROL BOX & COVER
      STEEL CAB (SCB001)
      STEEL CAB (DASHBOARD & MAT) (SCB001)
      STEEL CAB (DOOR,RH) (SCB001)
      STEEL CAB (DOOR,LH) (SCB001)
      STEEL CAB (LAMP & RADIO) (SCB001)
      STEEL CAB (WIPER) (SCB001)
      STEEL CAB (ELECTRICAL) (SCB001)
      STEEL CAB (MOUNT) (SCB001)
      ROPS CAB (ROC001)
      ROPS CAB (DASHBOARD & MAT) (ROC001)
      ROPS CAB (DOOR,RH) (ROC001)
      ROPS CAB (DOOR,LH) (ROC001)
      ROPS CAB (LAMP & RADIO) (ROC001)
      ROPS CAB (WIPER) (ROC001)
      ROPS CAB (ELECTRICAL) (ROC001)
      ROPS CAB (MOUNT) (ROC001)
      ROPS CAB (COCKPIT MOUNT) (ROC001)
      LOW CAB (LCB150)
      LOW CAB (DASHBOARD & MAT) (LCB150)
      LOW CAB (DOOR,RH) (LCB150)
      LOW CAB (DOOR,LH) (LCB150)
      LOW CAB (LAMP & RADIO) (LCB150)
      LOW CAB (WIPER) (LCB150)
      LOW CAB (ELECTRICAL) (LCB150)
      LOW CAB (MOUNT) (LCB150)
      WIPER BLADE (SWB)
      HOOD & GRILLE
      HOOD & GRILLE (NCK)
      SIDE PANEL
      SIDE COVER (NCKS3)
      FRONT FENDER
      STEP, HANDRAIL & REAR FENDER
      STEP (SV03A)
      FULL REAR FENDER (FRF)
      BATTERY BOX
      ROPS CANOPY (ROC)
      AWNING CANOPY (AW)
      MAT (FRAME & UNDER COVER) (NCK)
      MAT (COCKPIT) (NCK)
      MAT (HOOD) (NCK)
      UNDER COVER (NCK)
      BELLY GUARD (BGK)
   HYDRAULIC
      VALVE & CABLE
      VALVE CONTROL LINKAGE
      CONTROL VALVE
      LEVER KIT (LK1001)
      OIL TANK
      HYDRAULIC LINE (SUCTION)
      GEAR PUMP
      HYDRAULIC LINE (BOOM & BUCKET)
      HYDRAULIC LINE (STEERING)
      PRIORITY VALVE
      HYDRAULIC LINE (HST)
      HYDRAULIC LINE (OIL COOLER)
   LOADING
      BOOM
      BUCKET (1 TYPE) (B1140)
      BUCKET (1 TYPE) (B1170)
      BUCKET (3 TYPE) (B3140)
      DOUBLE EDGE BUCKET (DEB150)
      DOUBLE EDGE BUCKET (DEB180)
      DOUBLE EDGE BUCKET (DEP150)
      MULTIPURPOSE BUCKET (MP3130)
      CLAMP CYLINDER (MP3130)
      MULTIPURPOSE BUCKET PIPING (MP3130)
      BOOM CYLINDER
      BUCKET CYLINDER
      BUCKET LEVELLER
      BOOM KICKOUT (BK)
      CONTROL VALVE (BK)
      BUCKET SECTION (BK)
      BOOM SECTION (BK)
   ACCESSORY PARTS
      AIR CONDITIONER (1/2) (AC400)
      AIR CONDITIONER (2/2) (AC400)
      AIR CONDITIONER PIPING (1/2) (AC400)
      AIR CONDITIONER PIPING (2/2) (AC400)
      AIR CONDITIONER (ELECTRICAL PARTS) (AC400)
      AIR CONDITIONER (ACCESSORY PARTS) (AC400)
      CONDENSER (AC400)
      AIR CONDITIONER UNIT (AC400)
      GREASE PIPING
      DECAL (AWNING)
      DECAL (CAB)
      TOOLS
      FIRE EXTINGUISHER (FE)
   PARTS NUMBER INDEX
   ADDRESS

8. Parts Catalog (PW-619I(H)_LX70-7)
Format: PDF, 434 pages
Language: English, Japan
Table of Contents:
   ENGINE
   ELECTRICAL
   POWER TRAIN
   BRAKE
   STEERING
   FRAME
   HYDRAULIC
   LOADING
   ACCESSORY PARTS
   PARTS NUMBER INDEX