Komatsu GD611, GD521A-1, GD661-1, GD623A-1 Motor Grader Index:

• FOREWORD
  • INTRODUCTION
  • SAFETY INFORMATION
  • MACHINE AND ENGINE SERIAL NUMBERS
  • BREAKING IN YOUR NEW MACHINE
  • SERVICE METER
    • FOREWORD
    • SAFETY
    • OPERATION
    • MAINTENANCE
    • SPECIFICATIONS
    • ATTACHMENTS, OPTIONS
    • COLOPHON
• SAFETY
  • SAFETY INFORMATION
    • GENERAL
    • BEFORE STARTING OPERATION
    • AFTER STARTING ENGINE
    • DURING OPERATION
    • PARKING
  • PRECAUTION FOR MAINTENANCE
    • GENERAL
    • DURING MAINTENANCE
  • PRECAUTIONS FOR CHARGING BATTERY
  • TRANSPORTATION
  • TOWING
    • TOWING THE MACHINE
• OPERATION
  • GENERAL LOCATIONS AND SPECIFICATIONS
  • INSTRUMENTS AND CONTROLS
    • METER, GAUGE AND PILOT LAMPS
    • SWITCHES
    • CONTROL LEVERS AND PEDALS
    • DUST INDICATOR
    • ARTICULATE LOCK PIN
    • OPERATOR’S SEAT
    • FUSE BOX
  • CHECK BEFORE STARTING
    • CHECK AND REFILL COOLANT
    • CHECK OIL LEVEL IN ENGINE OIL PAN
    • CHECK AND REFILL FUEL TANK
    • DRAIN WATER AND SEDIMENT IN FUEL TANK
    • CHECK AND REFILL BRAKE FLUID
    • CHECK DUST INDICATOR
    • CHECK AND ADJUST STTERING WHEEL
    • CHECK AND ADJUST TRAVEL OF BRAKE PEDAL
    • CHECK AND ADJUST BRAKING ABILITY
    • CHECK PARKING BRAKE FOR NORMAL LEVER TRAVEL
    • CHECK AND ADJUST TIRE PRESSURE
    • CHECK ELECTRICAL WIRING
    • CHECK FOR SEDIMENT AND WATER IN THE WATER SEPARATOR
    • OTHER CHECKS
  • OPERATING YOUR MACHINE
    • BEFORE STARTING THE ENGINE
    • TO START THE ENGINE
    • CHECK AFTER STARTING
    • TO MOVE THE MACHINE OFF
    • CHANGING GEAR SPEED
    • FORWARD – REVERSE SHIFTING
    • TURNING
    • TO STOP THE MACHINE
    • TO STOP THE ENGINE
    • CAUTIONS FOR OPERATING
    • WHEN TRAVELLING DOWNHILL
  • OPERATING OF WORK EQUIPMENT
    • OPERATION METHOD OF THE WORK EQUIPMENT CONTROL LEVER
    • CAUTIONS IN OPERATION OF WORK EQUIPMENT
    • ADJUSTMENT IN SHIFTING OF WORK ATTACHMENT
    • PROPULSION ANGLE OF BLADE
    • SAFETY DEVICE OF BLADE
    • BANK-CUTTING POSTURE (RIGHT SIDE)
    • SHOULDER REACH POSTURE (RIGHT SIDE)
    • ARTICULATED OPERATIONS
    • ADJUSTMENT OF SCARFIER
    • PRECAUTIONS OF SCARIFIER OPERATION
  • REVERSING AND REPLACEMENT OF CUTTING EDGE AND END BIT
    • TURNING AND REPLACING
  • CHANGING TIRES
    • HOW TO CHANGE TIRES
    • HOW TO USE LEANING STOPPER
  • DRIVING ALONG ROAD
    • POSITION OF BLADE WHEN TRAVELLING
    • PRECAUTIONS WHEN TRAVELLING ON ROADS
  • COLD WEATHER OPERATION
    • PREPARATION FOR LOW TEMPERATURE
    • BATTERY
    • STARTING IN COLD WEATHER
    • CATIONS AFTER COMPLETION OF WORK
    • AFTER COLD WEATHER
  • STORAGE
    • BEFORE STORAGE
    • DURING STORAGE
    • AFTER STORAGE
  • HANDLING OF BATTERY
    • REMOVAL AND INSTALLATION OF BATTERY
    • STARTING ENGINE WITH A BOOSTER CABLE
  • TROUBLE SHOOTING GUIDE
    • ENGINE
    • ELECTRICAL SYSTEM
    • CHASSIS
• MAINTENANCE
  • OIL FILLER AND LEVEL GAUGE POSITIONS
  • FUEL, COOLANT AND LUBRICANTS
    • PROPER SELECTION OF FUEL, COOLANT AND LUBRICANTS
    • COOLANT AND LUBRICANTS
  • PERIODIC MAINTENANCE
    • MAINTENANCE SCHEDULE CHART
  • MAINTENANCE PROCEDURE
    • WHEN REQUIRED
    • CHECK BEFORE STARTING
    • EVERY 50 HOURS SERVICE
    • INITIAL 250 HOURS MAINTENANCE
    • EVERY 250 HOURS SERVICE
    • EVERY 500 HOURS SERVICE
    • EVERY 1000 HOURS SERVICE
    • EVERY 2000 HOURS SERVICE
    • EVERY 4000 HOURS SERVICE
  • ADJUSTMENT
    • ADJUSTMENT FOR INCHING PEDAL
• SPECIFICATIONS
  • SPECIFICATIONS
    • GD611A-1
    • GD621A-1
    • GD661A-1
    • GD623A-1
• ATTACHMENTS, OPTIONS
  • HANDLING AIR CONDITIONER
    • GENERAL LOCATIONS AND FUNCTION OF CONTROL PANEL
    • METHOD OF OPERATION
    • INSPECTION AND MAINTENANCE
• COLOPHON