Komatsu WA420-3H Wheel Loader Operation and Maintenance Manual VEAM470500

Description

• Model List:
  • WA420-3H Wheel Loader

• 1. WA4203H
• 2. FOREWORD
• 2.1. SAFETY INFORMATION
• 2.2. INTRODUCTION
• 2.3. POSITIONS OF THE PLATES, TABLES FOR ENTERING THE SERIES NUMBER AND DEALER ADDRESS
• 2.4. TABLE OF CONTENTS
• 2.5. DIMENSIONS, WEIGHTS AND OPERATING DATA
• 2.6. CECONFORMING EQUIPMENT
• 2.7. LOADING AND SECURING
• 3. Safety
• 3.1. General Safety Measures
• 3.2. Safety Precautions During Operation
• 3.3. Safety Measures During Maintenance
• 3.4. POSITION FOR ATTACHING SAFETY LABELS
• 4. Operation
• 4.1. GENERAL VIEW
• 4.2. Description of the Individual Elements
• 4.2.1. Control Monitor
• 4.2.2. METERS
• 4.2.3. SWITCHES
• 4.2.4. CONTROL LEVERS, PEDALS
• 4.3. OPERATION
• 4.3.1. PRESTART CHECKS
• 4.3.2. STARTING THE ENGINE
• 4.3.3. OPERATION AND CHECKS AFTER STARTING THE ENGINE
• 4.3.4. MACHINE TRAVEL
• 4.3.5. GEAR CHANGE
• 4.3.6. CHANGING DIRECTION
• 4.3.7. STOPPING THE MACHINE
• 4.3.8. OPERATING THE WORK EQUIPMENT
• 4.3.9. WHEEL LOADER FUNCTIONS
• 4.3.10. PRECAUTIONS IN OPERATION
• 4.3.11. ADJUSTING THE WORK EQUIPMENT POSITION
• 4.3.12. PARKING THE MACHINE
• 4.3.13. STOPPING THE ENGINE
• 4.4. TRANSPORT
• 4.5. COLD WEATHER OPERATION
• 4.6. LONGTERM STORAGE
• 4.7. TROUBLESHOOTING
• 4.7.1. IF THE FUEL TANK IS EMPTY
• 4.7.2. CENTRAL LUBRICATION SYSTEM
• 4.7.3. TOWING THE MACHINE
• 4.7.4. IF BATTERY IS DISCHARGED
• 4.7.5. MALFUNKTION OF BRAKE
• 4.7.6. OTHER MALFUNCTIONS
• 5. Maintenance
• 5.1. MAINTENANCE GUIDE
• 5.2. OUTLINES OF SERVICE
• 5.3. WEARING PARTS LIST
• 5.4. LUBRICATING AND OPERATING MEANS
• 5.5. TOOLS AND STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS
• 5.6. PERIODICAL REPLACEMENT OF SAFETY CRITICAL PARTS
• 5.7. MAINTENANCE SCHEDULE
• 5.8. SERVICE PROCEDURE
• 5.8.1. MAINTENANCE AFTER THE FIRST 250 OPERATING HOURS
• 5.8.2. MAINTENANCE UPON DEMAND
• 5.8.3. CHECKS BEFORE STARTING
• 5.8.4. EVERY 50 HOURS SERVICE
• 5.8.5. EVERY 100 HOURS SERVICE
• 5.8.6. EVERY 250 HOURS SERVICE
• 5.8.7. EVERY 500 HOURS SERVICE
• 5.8.8. EVERY 1000 HOURS SERVICE
• 5.8.9. EVERY 2000 HOURS SERVICE
• 5.8.10. EVERY 4000 HOURS SERVICE
• 6. Specifications
• 7. Special Equipment and Attachments
• 7.1. ALSELECTRONICS