This comprehensive Komatsu GD530A GD650A GD670A Motor Grader Workshop Repair Service Manual provides detailed service, maintenance, and troubleshooting information for your grader, covering all models, engines, trims, and transmission types. This manual is a complete and intact resource, identical to the one used by professional service and repair shops. The manual delves into a wide range of critical components and systems, including the articulation joint assembly, Char-Lynn orbitrol unit, Funk 2263E130B power shift transmission, Rexroth all-wheel-drive pump, Danfoss circle reverse motor, Char-Lynn circle reverse motor (P/N 1435 598 H91), Eaton 70422 RDU steering and brake pump, Vickers hydraulic motor (all-wheel drive), four-way hydraulic oil swivel block, Husco 5000C series control valve manifolds, 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), 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, John Deere TeamMate II final drive assembly (with planetary and non-planetary reduction, NoSPIN & lock/unlock differential), circle adjustment (four shoe), parking brake caliper (Perrot P/N 40 023 002), parking brake caliper (MICO), Rexroth brake valve, MICO brake valve, wiring diagrams, pre-delivery procedures, suspension seat, general torque values, and metric conversions. The manual is structured for ease of use with detailed substeps expanding on repair procedure information, notes, cautions, and warnings throughout each chapter to pinpoint critical information. Step-by-step numbered instructions guide you through every repair procedure, while bold figure numbers help you quickly match illustrations with instructions. Detailed illustrations, drawings, and photos, along with enlarged insets, guide you through every procedure. A numbered table of contents allows you to quickly find the information you need. Additionally, this manual makes it easy to diagnose and repair problems with your grader's electrical system, combining troubleshooting and electrical service procedures with detailed wiring diagrams. This comprehensive manual empowers you to perform repairs and maintenance on your Komatsu GD530A GD650A GD670A Motor Grader using the best resources available, helping you save on repair costs and ensure your grader's optimal performance.

The Komatsu GD530A, GD650A, and GD670A are heavy-duty motor graders designed for demanding applications in construction, mining, and infrastructure projects. These versatile machines are known for their exceptional durability, performance, and operator comfort, making them a popular choice for a wide range of tasks. The GD530A, GD650A, and GD670A feature powerful Komatsu engines delivering high torque and horsepower, ensuring efficient operation even under heavy loads. They are equipped with robust transmission systems and reliable hydraulics, enabling smooth and precise control of the blade and other attachments. The machines boast a spacious and ergonomic operator's cab with intuitive controls, offering excellent visibility and a comfortable working environment. These Komatsu motor graders are designed for versatility and adaptability. The GD530A, GD650A, and GD670A can be equipped with a wide range of attachments, including different blade types, rippers, and snowplows, allowing them to handle various tasks like grading, leveling, scarifying, and snow removal. Their robust construction and durable components ensure long service life and minimal downtime. The machines are designed with ease of maintenance in mind, with readily accessible components for routine service and repairs. The Komatsu GD530A, GD650A, and GD670A are renowned for their reliability and efficiency, making them a valuable asset in any construction or infrastructure project.