Komatsu WD420-3 Wheel Dozer Index:

• COVER
• 1. FOREWORD
• 2. SAFETY INFORMATION
• 3. INTRODUCTION
• 4. LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR
• 5. CONTENTS
• SAFETY
  • 6. GENERAL PRECAUTIONS
  • 7. PRECAUTIONS DURING OPERATION
    • 7.1 BEFORE STARTING ENGINE
    • 7.2 AFTER STARTING ENGINE
    • 7.3 TRANSPORTATION
    • 7.4 BATTERY
    • 7.5 TOWING
  • 8. PRECAUTIONS FOR MAINTENANCE
    • 8.1 BEFORE CARRYING OUT MAINTENANCE
    • 8.2 DURING MAINTENANCE
    • 8.3 PRECAUTIONS WITH TIRES
  • 9. POSITION FOR ATTACHING SAFETY LABELS
• OPERATION
  • 10. GENERAL VIEW
    • 10.1 GENERAL VIEW OF MACHINE
    • 10.2 GENERAL VIEW OF CONTROLS AND GAUGES
  • 11. EXPLANATION OF COMPONENTS
    • 11.1 MACHINE MONITOR
    • 11.2 SWITCHES
    • 11.3 CONTROL LEVERS, PEDALS
    • 11.4 STEERING COLUMN TILT LEVER
    • 11.5 CAP WITH LOCK
    • 11.6 SAFETY BAR
    • 11.7 TOWING PIN
    • 11.8 GREASE PUMP
    • 11.9 BACKUP ALARM
    • 11.10 FUSE
    • 11.11 SLOW-BLOW FUSE
    • 11.12 STORAGING PLACE OF THIS MANUAL
    • 11.13 TAKING OFF POWER
    • 11.14 TAKING OFF POWER (WITH ROPS CAB)
  • 12. OPERATION
    • 12.1 CHECK BEFORE STARTING ENGINE
    • 12.2 STARTING ENGINE
    • 12.3 OPERATIONS AND CHECKS AFTER STARTING ENGINE
    • 12.4 MOVING MACHINE OFF
    • 12.5 CHANGING GEAR SPEED
    • 12.6 CHANGING DIRECTION
    • 12.7 TURNING
    • 12.8 STOPPING MACHINE
    • 12.9 OPERATION OF WORK EQUIPMENT
    • 12.10 WORK POSSIBLE USING WHEEL DOZER
    • 12.11 PRECAUTIONS FOR OPERATION
    • 12.12 PARKING MACHINE
    • 12.13 CHECKS AFTER COMPLETION OF OPERATION
    • 12.14 STOPPING ENGINE
    • 12.15 CHECK AFTER STOPPING ENGINE
    • 12.16 LOCKING
    • 12.17 HANDLING THE TIRES
  • 13. TRANSPORTATION
    • 13.1 LOADING, UNLOADING WORK
    • 13.2 PRECAUTIONS FOR LOADING
    • 13.3 LIFTING MACHINE
    • 13.4 PRECAUTIONS FOR TRANSPORTATION
  • 14. COLD WEATHER OPERATION
    • 14.1 PRECAUTIONS FOR LOW TEMPERATURE
    • 14.2 PRECAUTIONS AFTER COMPLETION OF WORK
    • 14.3 AFTER COLD WEATHER
    • 14.4 WARMING-UP OPERATION FOR STEERING HYDRAULIC CIRCUIT IN COLD WEATHER
  • 15. LONG-TERM STORAGE
    • 15.1 BEFORE STORAGE
    • 15.2 DURING STORAGE
    • 15.3 AFTER STORAGE
  • 16. TROUBLESHOOTING
    • 16.1 WHEN MACHINE RUNS OUT OF FUEL
    • 16.2 TOWING THE MACHINE
    • 16.3 IF BATTERY IS DISCHARGED
    • 16.4 OTHER TROUBLE
• MAINTENANCE
  • 17. GUIDES TO MAINTENANCE
  • 18. OUTLINES OF SERVICE
    • 18.1 OUTLINE OF OIL, FUEL, COOLANT
    • 18.2 OUTLINE OF ELECTRIC SYSTEM
  • 19. WEAR PARTS LIST
  • 20. USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE
  • 21. STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS
    • 21.1 INTRODUCTION OF NECESSARY TOOLS
    • 21.2 TORQUE LIST
  • 22. PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS
  • 23. MAINTENANCE SCHEDULE CHART
    • 23.1 MAINTENANCE SCHEDULE CHART
  • 24. SERVICE PROCEDURE
    • 24.1 INITIAL 250 HOURS SERVICE
    • 24.2 WHEN REQUIRED
    • 24.3 CHECK BEFORE STARTING
    • 24.4 EVERY 50 HOURS SERVICE
    • 24.5 EVERY 100 HOURS SERVICE
    • 24.6 EVERY 250 HOURS SERVICE
    • 24.7 EVERY 500 HOURS SERVICE
    • 24.8 EVERY 1000 HOURS SERVICE
    • 24.9 EVERY 2000 HOURS SERVICE
    • 24.10 EVERY 4000 HOURS SERVICE
• SPECIFICATIONS
  • 25. SPECIFICATIONS
• OPTIONS, ATTACHMENTS
  • 26. OPTIONAL PARTS AND ATTACHMENTS
  • 27. CAR RADIO
    • 27.1 EXPLANATION OF COMPONENTS
    • 27.2 METHOD OF USE
    • 27.3 PRECAUTIONS WHEN USING RADIO
  • 28. AIR CONDITIONER
    • 28.1 GENERAL LOCATIONS AND FUNCTION OF CONTROL PANEL
    • 28.2 METHOD OF OPERATION
    • 29.3 COOL BOX