All-Inclusive Factory Service Technical manual for Hitachi Wheel Loaders Models LX300-7

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

Covered Models:
   LX300-7

The manual comprises 13 documents, including the Technical Manual, two Workshop Manuals, Inspection Manual, Operational Principle Manual, Operators Manual, two Wiring Diagrams, three Hydraulic Circuit Diagrams, and two Parts Catalogs

1. Technical Manual (KM-TL307E-03)
Format: PDF, 194 pages
Language: English
Table of Contents:
   COVER
   FOREWORD
   TABLE OF CONTENTS
   SPECIFICATIONS
      OUTER VIEWS
      SPECIFICATIONS
   ENGINE AND RELATED COMPONENTS
      ENGINE
      COOLING SYSTEM
      FUEL SYSTEM
      INTAKE AND EXHAUST SYSTEM
      ELECTRICAL SYSTEM
      ENGINE CONTROL UNIT
   POWER TRAIN
      DRIVE UNIT
      TORQUE CONVERTER
      TRANSMISSION
      OIL CIRCULATION ROUTE
      PROPELLER SHAFTS
      AXLES (FRONT AND REAR)
      WHEEL ASSEMBLY (TIRE AND WHEEL)
   BRAKE SYSTEM
      SERVICE BRAKE
      PARKING BRAKE
   STEERING SYSTEM
      GENERAL DESCRIPTION
      OIL CIRCULATION ROUTES
      STEERING WHEEL UNIT
      STEERING VALVE
      CONTROL LINKAGE
      STEERING CYLINDER
   FRAME AND COCKPIT
      FRAME
      CENTER HINGE PIN
   HYDRAULIC SYSTEM
      OIL CIRCULATION ROUTES (HYDRAULIC CIRCUIT DIAGRAM)
      PUMP
      VALVE
      VALVE CONTROLS
      OIL TANK
   LOAD HANDLING SYSTEM
      BOOM, BELLCRANK AND BUCKET
      CYLINDER
      ANTI-PITCHING SYSTEM (APS) [OPTION]
   ELECTRIC SYSTEM
      LIGHTING EQUIPMENT
      METERS AND SWITCHES
      LOCATION OF RELAYS
      ELECTRIC CIRCUIT DIAGRAM
   AIR CONDITIONER
      GENERAL DESCRIPTION
   SERVICE MANUAL REVISION REQUEST FORM

2. Workshop Manual (KM-WL307E-04)
Format: PDF, 492 pages
Language: English
Table of Contents:
   INDEX_WM
   IMPORTANT SAFETY NOTICE
   FOREWORD
   GENERAL CONTENTS
   GENERAL DESCRIPTION
      SAFETY PRECAUTIONS
      FUNDAMENTAL KNOWLEDGE OF MAINTENANCE
      CLEANING
      STANDARD BOLT TIGHTENING TORQUE
      LUBRICATION
      SAFETY PARTS TO BE REPLACED PERIODICALLY
   POWER TRAIN
      DRIVE UNIT DISASSEMBLY AND REASSEMBLY
      DISASSEMBLY AND REASSEMBLY OF DRIVE AXLE
   BRAKE SYSTEM
      DISASSEMBLY AND REASSEMBLY OF BRAKE VALVE
      DISASSEMBLY AND REASSEMBLY OF CHARGING VALVE
      DISASSEMBLY AND REASSEMBLY OF SLACK ADJUSTER
   STEERING SYSTEM
      CONTENS
      DISASSEMBLY AND REASSEMBLY OF STEERING GEAR
      DISASSEMBLY AND REASSEMBLY OF STEERING VALVE
      DISASSEMBLY AND REASSEMBLY OF STEERING CYLINDER
   HYDRAULIC SYSTEM
      DISASSEMBLY AND REASSEMBLY OF MAIN PUMP AND CHARGING PUMP
      DISASSEMBLY AND REASSEMBLY OF STEERING PUMP
      DISASSEMBLY AND REASSEMBLY OF MAIN VALVE
      STANDARD FOR MAINTENANCE OF HYDRAULIC FAN MOTOR
      DISASSEMBLY AND REASSEMBLY OF BOOM CYLINDER AND BUCKET CYLINDER
      FLOATING PIN REASSEMBLY PROCEDURE
   ELECTRIC UNIT
      ELECTRICAL EQUIPMENT LAYOUT DRAWING
      WIRE HARNESS (REFERENCE)
      ELECTRIC CIRCUIT DIAGRAM
      STARTING SYSTEM ELECTRIC CIRCUIT
      ATC (AUTOMATIC TRANSMISSION CONTROLLER)
      AIR CONDITIONER - TROUBLE SHOOTING
   ENGINE AND ACCESSORY
      GENERAL INFORMATION
      ENGINE
   SERVICE MANUAL REVISION REQUEST FORM

3. Workshop Manual (KM-WL117E-04)
Format: PDF, 756 pages
Language: English
Table of Contents:
   IMPORTANT SAFETY NOTICE
   FOREWORD
   GENERAL DESCRIPTION
      SAFETY PRECAUTIONS
      FUNDAMENTAL KNOWLEDGE OFMAINTENANCE
      CLEANING
      STANDARD BOLT TIGHTENING TORQUE
      LUBRICATION
      SAFETY PARTS TO BE REPLACEDPERIODICALLY
   POWER TRAIN
      DRIVE UNIT DISASSEMBLY AND REASSEMBLY(L20-3, LX110-7 L27-3, LX130-7)
      DRIVE UNIT DISASSEMBLY AND REASSEMBLY(L32-3, LX160-7 L35-3, LX190-7 L40-3, LX230-7)
      DRIVE AXLE DISASSEMBLY AND REASSEMBLY(L20-3, LX110-7)
      DRIVE AXLE DISASSEMBLY AND REASSEMBLY(L27-3, LX130-7)
      DRIVE AXLE DISASSEMBLY AND REASSEMBLY(L32-3, LX160-7 L35-3, LX190-7 L40-3, LX230-7)
      DISASSEMBLY
      REASSEMBLY
      TROUBLESHOOTING
      STANDARD VALUES FOR MAINTENANCE
      TIGHTENING TORQUE VALUES FOR MAIN BOLTS
   BRAKE SYSTEM
      DISASSEMBLY AND REASSEMBLY OF BRAKEVALVE (L20-3, LX110-7)
      DISASSEMBLY AND REASSEMBLY OF BRAKE VALVE(L27-3 to L40-3, LX130-7 to LX230-7)
      DISASSEMBLY AND REASSEMBLY OF SPLITCYLINDER (L20-3, LX110-7)
      DISASSEMBLY AND REASSEMBLY OF CHARGINGVALVE (L27-3 to L40-3, LX130-7 to LX230-7)
      ACCUMLATOR GAS SEALING WORK(L27-3 to L40-3, LX130-7 to LX230-7)
   STEERING SYSTEM
      DISASSEMBLY AND REASSEMBLY OF ORBITROL(L20-3, LX110-7)
      DISASSEMBLY AND REASSEMBLY OF ORBITROL(L27-3, LX130-7 L32-3, LX160-7)
      DISASSEMBLY AND REASSEMBLY OF STEERINGGEAR (L35-3, LX190-7 L40-3, LX230-7)
      DISASSEMBLY AND REASSEMBLY OF STEERING VALVE(L35-3, LX190-7 L40-3, LX230-7)
      DISASSEMBLY AND REASSEMBLY OF PRIORITY VALVE(L20-3, LX110-7 L27-3, LX130-7 L32-3, LX160-7)
      DISASSEMBLY AND REASSEMBLY OF CUSHION VALVE(L27-3, LX130-7 L32-3, LX160-7)
      DISASSEMBLY AND REASSEMBLY OFSTEERING CYLINDER (L20-3, LX110-7)
      DISASSEMBLY AND ASSEMBLY OF STEERING CYLINDER(L27-3 to L40-3, LX130-7 to LX230-7)
   HYDRAULIC SYSTEM
      DISASSEMBLY AND REASSEMBLY OF MAINPUMP (L20-3, LX110-7)
      DISASSEMBLY AND REASSEMBLY OF MAINPUMP (L27-3,LX130-7 L32-3,LX160-7)
      DISASSEMBLY AND REASSEMBLY OF MAINPUMP (L35-3,LX190-7 L40-3,LX230-7)
      DISASSEMBLY AND REASSEMBLY OFSTEERING PUMP (L35-3,LX190-7 L40-3,LX230-7)
      DISASSEMBLY AND REASSEMBLY OF BRAKE& ASSIST PUMP (L27-3 to L40-3, LX130-7 to LX230-7)
      DISASSEMBLY AND REASSEMBLY OF CHARGINGPUMP (L20-3, LX110-7 L27-3, LX130-7)
      DISASSEMBLY AND REASSEMBLY OF CHARGING PUMP(L32-3, LX160-7 L35-3, LX190-7 L40-3, LX230-7)
      DISASSEMBLY AND REASSEMBLY OF MAIN VALVE(L20-3, LX110-7)
      DISASSEMBLY AND REASSEMBLY OF MAINVALVE (L27-3,LX130-7)
      DISASSEMBLY AND REASSEMBLY OF MAIN VALVE(L32-3, LX160-7 L35-3, LX190-7 L40-3, LX230-7)
      DISASSEMBLY AND REASSEMBLY OF PILOT VALVE(L27-3 to L40-3, LX130-7 to LX230-7)
      DISASSEMBLY AND REASSEMBLY OF BOOM CYLINDER(L20-3, LX110-7)
      DISASSEMBLY AND REASSEMBLY OF BUCKETCYLINDER (L20-3, LX110-7)
      DISASSEMBLY AND REASSEMBLY OF BOOMCYLINDER AND BUCKET CYLINDER(L27-3, LX130-7 L32-3, LX160-7 L35-3, LX190-7)
      DISASSEMBLY AND REASSEMBLY OF BOOMCYLINDER AND BUCKET CYLINDER(L40-3,LX230-7)
      DISASSEMBLY AND REASSEMBLY OF TRAVELDAMPER VALVE FOR APS (OPTION)
   ELECTRIC UNIT
      ELECTRICAL EQUIPMENT LAYOUT DRAWING(L20-3, LX110-7)
      ELECTRICAL EQUIPMENT LAYOUT DRAWING(L27-3, LX130-7 L32-3, LX160-7)
      ELECTRICAL EQUIPMENT LAYOUT DRAWING(L35-3, LX190-7 L40-3, LX230-7)
      WIRE HARNESS (REFERENCE)
      ELECTRIC CIRCUIT DIAGRAM
      STARTING SYSTEM ELECTRIC CIRCUIT
      ATC (AUTOMATIC TRANSMISSION CONTROLLER)
      ELECTRONICALLY CONTROLLER FUEL SYSTEM -TROUBLE SHOOTING (L35-3, LX190-7 L40-3, LX230-7)
      AIR CONDITIONER - TROUBLE SHOOTING(L27-3 to L40-3, LX130-7 to LX230-7)
   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. Inspection Manual (KM-TLAL7E-03(LX110-7to360E))
Format: PDF, 58 pages
Language: English
Table of Contents:
   INDEX(LX110-7,130-7,160-7,190-7,230-7,300-7/360E
   FOREWORD
   TABLE OF CONTENTS
   STANDARD SERVICE DATA TABLE
      CHECK ITEMS AND STANDARD VALUES
      STANDARD VALUES FOR HYDRAULIC PUMPS AND VALVES
   INSPECTION PROCEDURE
      ITEMS TO BE INSPECTED AND INSPECTION PROCEDURE
   TROUBLESHOOTING GUIDE
   SERVICE MANUAL REVISION REQUEST FORM

5. Operational Principle Manual (TTLA0517)
Format: PDF, 169 pages
Language: English
Table of Contents:
   RETURN
   Operational Principle
   LX300-7T
   FORWARD
   Table of Contents
   Specifications
      OUTER VIEWS
      SPECIFICATIONS
   ENGINE AND RELATED COMPONENTS
      ENGINE
      COOLING SYSTEM
      FUEL SYSTEM
      INTAKE AND EXHAUST SYSTEM
      ELECTRICAL SYSTEM
      ENGINE CONTROL UNIT
   POWER TRAIN
      TORQUE CONVERTER & TRANSMISSION
      TRANSMISSION OIL CIRCULATION ROUTE
      PROPELLER SHAFTS
      DAMPER
      DRIVE AXLES (FRONT AND REAR)
      WHEEL ASSEMBLY (TIRE AND WHEEL)
   BRAKE SYSTEM
      SERVICE BRAKE
      PARKING BRAKE
   STEERING SYSTEM
      GENERAL DESCRIPTION
      OIL CIRCULATION ROUTES
      STEERING WHEEL UNIT
      STEERING VALVE
      CONTROL LINKAGE
      STEERING CYLINDER
   FRAME AND COCKPIT
      FRAME
      CENTER HINGE PIN
   HYDRAULIC SYSTEM
      OIL CIRCULATION ROUTES (HYDRAULIC CIRCUIT DIAGRAM)
      PUMP
      VALVE
      VALVE CONTROLS
      OIL TANK
   LOAD HANDLING SYSTEM
      BOOM, BELLCRANK AND BUCKET
      CYLINDER
   ELECTRIC SYSTEM
      LIGHTING EQUIPMENT
      METERS AND SWITCHES
      ELECTRIC CIRCUIT DIAGRAM

6. Operators Manual (OW-682CE(H))
Format: PDF, 166 pages
Language: English
Table of Contents:
   COVER
   FOREWORD
   SAFETY INSTRUCTIONS
   DECALS (MACHINE SIGNS)
   QUALIFIED OPERATOR AND REGULATIONS
   SAFETY COMPONENTS
   OPERATION
      PICTORIAL NOMENCLATURE
      INSTRUMENTS AND CONTROLS
      ROPS CANOPY, CAB, 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
      HANDLING LOADERS WITH AUTOMATIC TRANSMISSION
      TRANSPORTING THE LOADER
      TOWING
      MEASURES TO BE TAKEN IN AN EMERGENCY
      HANDLING IN COLD WEATHER
      HANDLING TIRES
   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 FILLTER PORTS
      GREASE FITTING LOCATIONS
      LOCATIONS OF FLOATING PINS
      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
      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

7. Wiring Diagram (WCLA0458)
Format: PDF, 1 page
Language: English

8. Wiring Diagram (KM-TL307E-02_circuit)
Format: PDF, 2 pages
Language: English
Table of Contents:
   HYDRAULIC CIRCUIT DIAGRAM
   ELECTRIC CIRCUIT DIAGRAM

9. Hydraulic Circuit Diagram (WCLA0462)
Format: PDF, 1 page
Language: English

10. Hydraulic Circuit Diagram (WCLA0459)
Format: PDF, 1 page
Language: English

11. Hydraulic Circuit Diagram (WCLA0457)
Format: PDF, 1 page
Language: English

12. Parts Catalog (PW-682G(H))
Format: PDF, 445 pages
Language: English
Table of Contents:
   ENGINE
   ELECTRICAL
   POWER TRAIN
   BRAKE
   STEERING
   FRAME
   HYDRAULIC
   LOADING
   PARTS NUMBER INDEX
   ENGINE PARTS

13. Parts Catalog (PW-682A(H))
Format: PDF, 354 pages
Language: English, Japan