Komatsu WA420-3H Wheel Loader Operation and Maintenance Manual VEAM470300

Description

• Model List:
  • WA420-3H Wheel Loader

• 1. FOREWORD
• 1.1. SAFETY INFORMATION
• 1.2. INTRODUCTION
• 1.3. POSITIONS OF THE PLATES, TABLES FOR ENTERING THE SERIES NUMBER AND DEALER ADDRESS
• 1.4. CONTENTS
• 1.5. DIMENSIONS, WEIGHTS AND OPERATING DATA
• 1.6. CECONFORMING EQUIPMENT
• 1.7. LOADING
• 2. Safety
• 2.1. General Safety Measures
• 2.2. Safety Precautions During Operation
• 2.3. Safety Measures During Maintenance
• 2.4. Safety Measures During Maintenance
• 2.5. POSITION FOR ATTACHING SAFETY LABELS
• 3. OPERATION
• 3.1. GENERAL VIEW
• 3.2. DESCRIPTION OF THE INDIVIDUAL ELEMENTS
• 3.2.1. METERS
• 3.2.2. SWITCHES
• 3.2.3. CONTROL LEVERS, PEDALS
• 3.2.4. STEERING COLUMN TILT LEVER
• 3.2.5. SAFETY BAR
• 3.2.6. GREASE PUMP
• 3.2.7. FUSE
• 3.2.8. AIR CONDITIONER
• 3.3. OPERATION
• 3.3.1. STARTING THE ENGINE
• 3.3.2. OPERATIONS AND CHECKS AFTER STARTING THE ENGINE
• 3.3.3. MACHINE TRAVEL
• 3.3.4. GEAR CHANGE
• 3.3.5. CHANGING DIRECTION
• 3.3.6. STOPPING THE MACHINE
• 3.3.7. OPERATING THE WORK EQUIPMENT
• 3.3.8. WHEEL LOADER FUNCTIONS
• 3.3.9. PRECAUTIONS IN OPERATION
• 3.3.10. ADJUSTING THE WORK EQUIPMENT POSITION
• 3.3.11. PARKING THE MACHINE
• 3.3.12. STOPPING THE ENGINE
• 3.3.13. HANDLING THE TIRES
• 3.4. TRANSPORT
• 3.5. COLD WEATHER OPERATION
• 3.6. LONGTERM STORAGE
• 3.7. TROUBLESHOOTING
• 3.7.1. IF THE FUEL TANK IS EMPTY
• 3.7.2. TOWING THE MACHINE
• 3.7.3. IF BATTERY IS DISCHARGED
• 3.7.4. MALFUNKTION OF BRAKE
• 3.7.5. OTHER MALFUNCTIONS
• 4. MAINTENANCE
• 4.1. MAINTENANCE GUIDE
• 4.2. OUTLINES OF SERVICE
• 4.3. WEARING PARTS LIST
• 4.4. LUBRICATING AND OPERATING MEANS
• 4.5. TOOLS AND STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS
• 4.6. STANDARD TIGHTENING TORQUE FOR BOLTS AND NUTS
• 4.7. PERIODICAL REPLACEMENT OF SAFETY CRITICAL PARTS
• 4.8. MAINTENANCE SCHEDULE
• 4.9. SERVICE PROCEDURE
• 4.9.1. MAINTENANCE AFTER THE FIRST 250 OPERATING HOURS
• 4.9.2. MAINTENANCE UPON DEMAND
• 4.9.3. CHECKS BEFORE STARTING
• 4.9.4. EVERY 50 HOURS SERVICE
• 4.9.5. EVERY 100 HOURS SERVICE
• 4.9.6. EVERY 250 HOURS SERVICE
• 4.9.7. EVERY 500 HOURS SERVICE
• 4.9.8. EVERY 1000 HOURS SERVICE
• 4.9.9. EVERY 2000 HOURS SERVICE
• 4.9.10. EVERY 4000 HOURS SERVICE
• 5. SPECIFICATIONS
• 6. Special Equipment and Attachments