Komatsu GD611, GD621A-1, GD661, GD623A-1 Motor Grader Index:

• COVER
• FOREWORD
• BREAKING IN YOUR NEW MACHINE
• CONTENTS
• GENERAL LOCATIONS AND SPECIFICATIONS
• INSTRUMENTS AND CONTROLS
• CHECK BEFORE STARTING
• OPERATING YOUR MACHINE
• OPERATING OF WORK EQUIPMENT
• REVERSING AND REPLACEMENT OF CUTTING EDGE AND END BIT
• CHANGING TIRES
• DRIVING ALONG ROAD
• TOWING
• COLD WEATHER OPERATION
• PERIODIC MAINTENANCE
  • MAINTENANCE TABLE
  • OIL FILLER AND LEVEL GAUGE POSITIONS
  • EVERY 50 HOURS SERVICE
  • EVERY 250 HOURS SERVICE
  • EVERY 500 HOURS SERVICE
  • EVERY 1000 HOURS SERVICE
  • EVERY 2000 HOURS SERVICE
  • EVERY 4000 HOURS SERVICE
  • WHEN REQUIRED
• ADJUSTMENT
• TROUBLE SHOOTING GUIDE
• SERVICE METER
• MACHINE AND ENGINE SERIAL NUMBERS
• FUEL,COOLANT AND LUBRICANTS
• SAFETY AND OPERATION
  • CONTENTS
  • SAFETY HINTS
  • PRECAUTION FOR MAINTENANCE
  • HANDLING OF BATTERY
  • TRANSPORTATION
  • STORAGE
  • COOLANT AND LUBRICANTS