This comprehensive Komatsu GD670A-2A Motor Grader Factory Service Repair Manual provides an in-depth guide to maintaining and repairing your heavy-duty equipment. It covers a wide range of components, ensuring you have the essential information needed for any repair procedure.

The manual delves into crucial systems like the articulation joint assembly, Char-Lynn orbitrol unit, transmission power shift, all-wheel drive pump, circle reverse motor, steering and brake pump, hydraulic motor, control valve manifolds, main system pump, all-wheel drive hydraulic integrated circuit (HIC) valve, hydraulic cylinders, accumulators, and rear axle cooling and lock/unlock differential pump.

You'll find detailed breakdowns of the 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), parking brake caliper, brake valve, and suspension seat.

This manual also includes comprehensive wiring diagrams for troubleshooting electrical issues and a pre-delivery procedures section to ensure your machine is ready for operation. The resource provides general torque values and metric conversions for accurate measurements.

With its clear explanations, detailed illustrations, and step-by-step instructions, this factory service repair manual empowers you to perform repairs efficiently, saving you time and money. It's an invaluable tool for any Komatsu GD670A-2A owner, helping you keep your machine in top condition.

The Komatsu GD670A-2A is a heavy-duty motor grader designed for large-scale construction and infrastructure projects. This powerful machine is equipped with a robust engine and a sophisticated hydraulic system, enabling it to efficiently perform a wide range of tasks, including grading, leveling, ditching, and shaping. The GD670A-2A boasts a durable and reliable construction, featuring a strong frame, heavy-duty axles, and a robust undercarriage, making it suitable for demanding work environments. Its well-designed operator's cab provides excellent visibility and a comfortable working environment, enhancing operator productivity and safety.

The GD670A-2A offers a wide range of features to enhance its versatility and performance. The machine's powerful blade can be adjusted to various angles and depths, allowing it to handle diverse grading tasks with precision. Its robust blade control system ensures smooth and precise movements, enabling operators to achieve the desired contours and grades. The GD670A-2A is also equipped with advanced hydraulics, providing precise control over the blade, moldboard, and other attachments. The machine's powerful engine delivers ample torque and horsepower, enabling it to efficiently handle heavy loads and challenging terrain. Furthermore, the GD670A-2A incorporates features that promote safety and operator comfort, including a spacious and ergonomic cab, a comprehensive instrumentation panel, and a robust safety system.