The Komatsu GD670A-2B Motor Grader Factory Service Repair Manual is your comprehensive resource for maintaining and repairing your Komatsu GD670A-2B Motor Grader. This official factory manual covers everything from basic maintenance to complex repair procedures, providing you with the same information that professional technicians and mechanics use.

This manual will guide you step-by-step through every repair procedure, ensuring you have the knowledge and confidence to address any issue. It includes detailed illustrations, diagrams, and specifications, making it easy to understand and apply the information.

The manual covers a wide range of systems and 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

With its detailed instructions, clear illustrations, and comprehensive troubleshooting guide, this manual will empower you to perform a wide range of repairs and maintenance tasks on your Komatsu GD670A-2B Motor Grader, saving you time and money.

The Komatsu GD670A-2B is a heavy-duty motor grader renowned for its robust construction, powerful performance, and advanced operating features. This machine is a versatile workhorse designed for a wide range of applications, including road construction, site preparation, and material handling. The GD670A-2B boasts a powerful engine capable of delivering ample torque and horsepower, ensuring efficient operation in demanding conditions. Its advanced transmission system offers smooth shifting and responsive acceleration, allowing operators to smoothly navigate challenging terrain and perform intricate maneuvers. The machine's robust undercarriage and durable components are built to withstand the rigors of heavy-duty work, ensuring long-term reliability and minimal downtime.

Beyond its powerful performance, the Komatsu GD670A-2B prioritizes operator comfort and safety. The spacious and ergonomically designed cab offers excellent visibility and a comfortable working environment, minimizing operator fatigue and maximizing productivity. The machine incorporates advanced control systems for precise grading and efficient operation. The hydraulic system, known for its responsiveness and accuracy, enables precise blade control, ensuring optimal grading results. Additionally, the machine features a comprehensive safety system, including a ROPS/FOPS certified cab, emergency brake system, and various safety interlocks, ensuring operator well-being and minimizing potential risks. With its combination of raw power, advanced features, and unwavering reliability, the Komatsu GD670A-2B stands as a testament to Komatsu's commitment to engineering excellence and customer satisfaction, making it a preferred choice for demanding construction projects worldwide.