Komatsu D21S, D21QG-7 Dozer Shovel Operation and Maintenance Manual (SEAM001000)

Komatsu D21S, D21QG-7 Dozer Shovel Operation and Maintenance Manual (SEAM001000)

Komatsu D21S, D21QG-7 Dozer Shovel 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 OPERATING MACHINE
    • 7.3 TRANSPORTATION
    • 7.4 BATTERY
    • 7.5 TOWING
  • 8. PRECAUTIONS FOR MAINTENANCE
  • 9. POSITION FOR STICKING 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 METERS AND LAMPS
    • 11.2 SWITCHES
    • 11.3 CONTROL LEVERS AND PEDALS
    • 11.4 FUSE BOX
  • 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 SHIFTING GEAR
    • 12.6 SHIFTING BETWEEN FORWARD AND REVERSE
    • 12.7 STEERING MACHINE
    • 12.8 STOPPING MACHINE
    • 12.9 PRECAUTIONS FOR OPERATION
    • 12.10 WORK POSSIBLE USING DOZER SHOVEL
    • 12.11 HOW TO USE INCHING PEDAL
    • 12.12 PARKING MACHINE
    • 12.13 CHECK AFTER FINISHING WORK
    • 12.14 STOPPING ENGINE
    • 12.15 CHECK AFTER STOPPING ENGINE
    • 12.16 LOCKING
    • 12.17 TIPS FOR LONGER UNDERCARRIAGE LIFE (STEEL SHOES ONLY)
    • 12.18 HANDLING RUBBER SHOES (RUBBER SHOES ONLY)
  • 13. TRANSPORTATION
    • 13.1 LOADING, UNLOADING WORK
    • 13.2 PRECAUTIONS FOR LOADING
    • 13.3 PRECAUTIONS FOR TRANSPORTATION
  • 14. COLD WEATHER OPERATION
    • 14.1 PRECAUTIONS FOR LOW TEMPERATURE
    • 14.2 CAUTIONS AFTER COMPLETION OF WORK
    • 14.3 AFTER COLD WEATHER
  • 15. LONG-TERM STORAGE
    • 15.1 BEFORE STORAGE
    • 15.2 DURING STORAGE
    • 15.3 AFTER STORAGE
  • 16. TROUBLESHOOTING
    • 16.1 AFTER RUNNING OUT OF FUEL
    • 16.2 IF BATTERY IS DISCHARGED
    • 16.3 OTHER TROUBLE
• MAINTENANCE
  • 17. GUIDES TO MAINTENANCE
  • 18. OUTLINES OF SERVICE
    • 18.1 RELATING TO ENGINE
    • 18.2 RELATING TO HYDRAULIC SYSTEM
    • 18.3 RELATING TO ELECTRIC SYSTEM
    • 18.4 RELATING TO LUBRICATION
  • 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
  • 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 250 HOURS SERVICE
    • 24.6 EVERY 500 HOURS SERVICE
    • 24.7 EVERY 1000 HOURS SERVICE
    • 24.8 EVERY 2000 HOURS SERVICE
    • 24.9 EVERY 4000 HOURS SERVICE
• SPECIFICATIONS
  • 25. SPECIFICATIONS
• OPTIONS, ATTACHMENTS
  • 26. USING SEAT BELT
    • 26.1 SEAT BELT (FOR FIXED TYPE)
    • 26.2 SEAT BELT (FOR SUSPENSION TYPE)
  • 27. HANDLING SUSPENSION SEAT
  • 28. GENERAL PRECAUTIONS
    • 28.1 PRECAUTIONS RELATED TO SAFETY

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