This comprehensive Komatsu GD670AW-2B Motor Grader Workshop Service Repair Manual is a valuable resource for anyone working on this model. It contains detailed information for servicing and repairing all major components, providing step-by-step instructions and illustrations for each procedure. The manual covers everything from the articulation joint assembly to the wiring diagrams, ensuring you have all the information you need to perform a wide range of maintenance and repair tasks.

The manual includes detailed substeps that expand on repair procedure information, along with notes, cautions, and warnings throughout each chapter to pinpoint critical information. Numbered instructions guide you through every repair procedure step by step, while bold figure numbers help you quickly match illustrations with instructions. Detailed illustrations, drawings, and photos guide you through every procedure, and enlarged insets help you identify and examine parts in detail.

A numbered table of contents makes it easy to find the information you need quickly. The manual also includes troubleshooting and electrical service procedures combined with detailed wiring diagrams for ease of use when diagnosing and repairing problems with your machine's electrical system. The manual covers a wide range of components, including:

• Articulation Joint Assembly

Char-Lynn Orbitrol Unit

Transmission Power Shift (Funk 2263E130B)

All Wheel Drive Pump (Rexroth)

Circle Reverse Motor (Danfoss)

Circle Reverse Motor P/N 1435 598 H91 (Char-Lynn)

Steering & Brake Pump (Eaton Model 70422 RDU)

Hydraulic Motor (Vickers) (All Wheel Drive)

Hydraulic Oil Swivel Block (Four-Way)

Control Valve Manifolds (Husco 5000C Series)

Main System Pump

All Wheel Drive Hydraulic Integrated Circuit (HIC) Valve

Hydraulic Cylinders

Accumulators (P/N 1285 352 H91, 1279 537 H & 1233 789 H91)

Troubleshooting and Adjustment Manual

Rear Axle Cooling and Lock/Unlock Differential Pump

Circle Reverse Slip Clutch

Circle Reverse Gear Case

Tandem Case (Single and Double Strand Chains)

Gearbox Assembly (All Wheel Drive)

Front Axle Assembly

Final Drive Assembly (John Deere TeamMate II) with Planetary and Non-Planetary Reduction (NoSpin & Lock/Unlock Dif)

Circle Adjustment (Four Shoe)

Metric Conversions

Parking Brake Caliper (Perrot P/N 40 023 002)

Parking Brake Caliper (Mico)

Brake Valve (Rexroth)

Brake Valve (Mico)

Wiring Diagrams

Pre-Delivery Procedures

Suspension Seat

General Torque Values

Metric Conversions

This manual is an invaluable resource for anyone who needs to service or repair a Komatsu GD670AW-2B Motor Grader. It provides all the information you need to complete the task correctly and efficiently.

The Komatsu GD670AW-2B Motor Grader is a powerful and versatile machine designed for a wide range of heavy construction and road maintenance applications. It is known for its exceptional performance, durability, and operator comfort. This model is equipped with a robust Komatsu SAA6D140E-2 engine, providing ample power for tackling demanding tasks. The GD670AW-2B boasts a powerful hydraulic system that delivers smooth and responsive operation of its various functions, including blade control, ripper, and steering. Its impressive blade capacity and precise control allow operators to achieve accurate grading, leveling, and shaping of various surfaces. The machine features a spacious and ergonomic operator's cab, designed to enhance comfort and productivity during long work shifts. With its advanced features and superior construction, the GD670AW-2B Motor Grader is a reliable and efficient workhorse for contractors, municipalities, and other construction professionals.

The Komatsu GD670AW-2B Motor Grader stands out for its advanced features that enhance operator productivity and safety. The machine incorporates a robust undercarriage with durable tracks and rollers, ensuring reliable operation even in demanding terrain. Its advanced electronic control system monitors key parameters and provides real-time diagnostics, facilitating preventative maintenance and reducing downtime. The GD670AW-2B is designed with operator safety in mind, featuring a spacious and comfortable cab with excellent visibility and a comprehensive safety system. The machine's robust construction and advanced features make it an ideal choice for demanding construction projects, road maintenance, and other infrastructure development applications. From precise grading to material handling, the GD670AW-2B delivers exceptional performance and efficiency, making it a valuable asset in any construction fleet.