Komatsu GD670AW-2A Motor Grader Workshop Service Manual

This workshop service manual is for the Komatsu GD670AW-2A Motor Grader with serial numbers 202002 and up. It provides comprehensive data, characteristics, instructions, and methodology for repair interventions on the vehicle and its components. The manual includes special notes, important points, service data, precautions, and detailed, comprehensive step-by-step procedures, explanations, and pictorial diagrams from bumper to bumper. It is useful for both professional mechanics and DIY enthusiasts.

The manual is available in .PDF format and can be viewed on any computer, as well as zoomed and printed. It is designed to be a handy, easy-to-read reference book, with comprehensive explanations of all installation, removal, disassembly, assembly, repair, and check procedures laid out in sequential order. Detailed illustrations, exploded diagrams, drawings, and photos guide you through every service repair procedure.

Adjustment and repair operations include reference to service tool numbers, and the associated illustration depicts the tool for the Komatsu GD670AW-2A Motor Grader. The manual also contains information on construction, function, troubleshooting, servicing specifications, tightening torque, checking and adjusting, disassembling and assembling, and servicing procedures.

To ensure complete repair work, it is important to follow the maintenance requirements, investigate unusual noises and changes in riding characteristics, use genuine parts, follow procedures carefully, keep complete records of all maintenance and repairs, and use approved lubricants as specified in the manual.

This manual is intended primarily for trained technicians in a properly equipped workshop, but it contains enough detail and basic information to be useful to owners who desire to perform their own basic maintenance and repair work. A basic knowledge of mechanics, including the proper use of tools and workshop procedures, is necessary to carry out maintenance and repair work satisfactorily.

For a complete list of components and systems covered, please refer to the manual.

• ENGINE
• ENGINE BODY
• CYLINDER BLOCK
• HALF-FLOATING HEAD COVER
• CYLINDER HEAD
• CENTER DIRECT INJECTION SYSTEM (E-CDIS)
• PISTON
• LUBRICATING SYSTEM
• OIL COOLER
• COOLING SYSTEM
• THERMOSTAT
• FUEL SYSTEM
• INJECTION PUMP
• INDUCTION SYSTEM
• WATER PUMP
• INTAKE SYSTEM
• TRAVELING CLUTCH
• HYDRAULIC SHUTTLE
• SYNCHRO SHUTTLE
• CLUTCH
• POWER TRAIN
• HYDRAULIC SHUTTLE VALVE
• MAIN GEAR SHIFT SECTION
• TRANSMISSION
• LUBRICATION FOR TRANSMISSION
• REAR AXLE
• FRONT AXLE
• TRAVELING BRAKE
• MASTER CYLINDER ASSEMBLY
• PARKING BRAKE
• STEERING MECHANISM
• STEERING CYLINDER
• HYDRAULIC SYSTEM
• HYDRAULIC CIRCUIT
• HYDRAULIC BLOCK
• HYDRAULIC CYLINDER
• ELECTRICAL CIRCUIT
• ROPS MODEL
• CABIN MODEL
• UNDERCARRIAGE AND FRAME
• STARTING MOTOR
• ALTERNATOR
• RADIATOR
• HYDROSHIFT TRANSMISSION
• BLADE
• HYDRAULIC CONTROL VALVE
• HYDRAULIC PUMP
• TRACK FRAME
• BODY
• FRAMEWORK
• STARTING SYSTEM
• SYSTEM OUTLINE AND ELECTRICAL CIRCUIT
• LIGHTING SYSTEM
• AIR CONDITIONING SYSTEM
• WIRING DIAGRAM

For more detailed information, please refer to the manual.