The Komatsu GD670AW-2E Motor Grader Factory Service Repair Manual is a comprehensive resource designed to guide owners and technicians through the intricacies of maintaining and repairing this powerful piece of equipment. This official manual, produced directly from Komatsu, offers detailed instructions and illustrations covering a wide range of components and systems, allowing you to perform repairs with confidence.

Dive into the complexities of the GD670AW-2E's articulation joint assembly, explore the workings of the Char-Lynn orbitrol unit, and gain a thorough understanding of the transmission power shift system. The manual also provides in-depth explanations of the all-wheel drive pump, circle reverse motor, steering and brake pump, hydraulic motors, control valve manifolds, and the main system pump. Discover how the all-wheel drive hydraulic integrated circuit (HIC) valve operates, and learn about the various hydraulic cylinders, accumulators, and their critical roles in the machine's overall performance.

The manual covers critical troubleshooting and adjustment procedures, helping you identify and resolve potential issues quickly and efficiently. Gain insights into the rear axle cooling system, lock/unlock differential pump, circle reverse slip clutch, circle reverse gear case, tandem case, gearbox assembly, front axle assembly, and the final drive assembly.

Understanding the intricacies of the circle adjustment mechanism is critical for maintaining optimal performance. The manual also includes valuable metric conversions to ensure accurate measurements and parts compatibility. Detailed explanations of the parking brake caliper, brake valve, and comprehensive wiring diagrams are provided.

This manual also prepares you for the crucial pre-delivery procedures, helping you ensure the GD670AW-2E operates flawlessly from the start. Learn about the suspension seat and gain access to general torque values for accurate assembly and tightening procedures.

This Komatsu GD670AW-2E Factory Service Repair Manual empowers you with the knowledge and precision to confidently maintain and repair your motor grader, ensuring peak performance and extended lifespan.

The Komatsu GD670AW-2E is a powerful and versatile motor grader designed for demanding construction and infrastructure projects. This machine is part of the Komatsu GD670 series, renowned for their ruggedness, reliability, and advanced features. The GD670AW-2E boasts a robust design with a powerful engine and a sophisticated hydraulic system, enabling it to handle a wide range of tasks. It excels in grading, shaping, and finishing operations, making it an essential tool for road construction, site preparation, and other earthmoving applications. Its articulated steering system provides exceptional maneuverability in tight spaces, while the advanced blade control system ensures precise and efficient grading.

The GD670AW-2E is equipped with a spacious and comfortable operator cab designed to enhance operator productivity and comfort. It features a well-designed ergonomic layout, easy-to-use controls, and a comprehensive display system that provides real-time information about the machine's performance and operating conditions. The cab also boasts exceptional visibility, allowing the operator to have a clear view of the work area and surrounding environment. This model incorporates advanced safety features to ensure the well-being of the operator and other personnel on the job site. These features include a roll-over protection system (ROPS), a falling-object protective structure (FOPS), and a comprehensive warning system. The GD670AW-2E is also designed for easy maintenance, with readily accessible service points and components that simplify routine maintenance tasks, minimizing downtime and maximizing operational efficiency.