This comprehensive Komatsu WA900-3 Wheel Loader Field Assembly Manual is a vital resource for anyone involved in the assembly of this heavy-duty machine. It covers everything from initial preparation to final adjustments, ensuring a safe and efficient assembly process. The manual provides detailed step-by-step instructions for every stage of assembly, making it easy to follow even for less experienced mechanics.

The manual includes detailed drawings, diagrams, and specifications to guide you through each process. You will find clear instructions on:

* **General Machine Drawings and Transportation Specifications:** Understand the overall layout of the machine and its transportation requirements.
* **Drawings of Disassembled Units:** Visualize how the individual components fit together.
* **Dimensions of Removed Units:** Ensure proper clearances and spacing during assembly.
* **Layout of Work Space:** Plan your assembly area efficiently and safely.
* **Necessary Tools and Equipment:** Identify the tools and equipment needed for each step of the assembly process.
* **Necessary Oils, Greases, and Paints:** Ensure you have the right fluids and materials for lubrication and protection.
* **Frame Stand Design and Utilization:** Safely support the machine during assembly.
* **Assembly Schedule:** Plan your assembly process effectively.
* **Detailed Assembly Procedures:** Step-by-step instructions for every component including:
* Coupling front and rear frames
* Installing steering pin
* Installing drive shaft
* Connecting piping
* Positioning axles and installing supports
* Positioning the bare machine
* Installing the rear axle
* Installing piping and drive shaft for the rear axle
* Installing the front axle
* Installing piping and connecting drive shaft for the front axle
* Installing tires
* Installing the fuel tank and drain line
* Connecting and fixing fuel piping
* Fixing engine drain hoses
* Installing the ladder, floor, and cab assembly
* Connecting air conditioner hoses
* Connecting brake lines
* Connecting PPC line hoses
* Connecting wiring harnesses
* Connecting steering oil lines
* Connecting the throttle cable
* Installing the floor cover
* Connecting the windshield washer hose and supplying washer fluid
* Installing the battery box assembly
* Wiring the battery
* Installing the battery step
* Installing handrails
* Installing the rear access step
* Installing rear view mirrors
* Installing the muffler pipe
* Installing the counterweight
* Installing the front lamp assembly
* Installing the ROPS canopy assembly
* Installing the antenna and working lamp
* Installing the floor mat
* Installing the front fenders
* Starting the engine
* Installing the boom assembly
* Connecting remote grease tubes
* Installing the bucket
* Adjusting the bucket positioner and boom kick-out
* Adjusting the drive force UP switch
* Bleeding air from the work equipment circuit
* **AJSS Specification (if equipped):** Understand the operation and adjustment of the optional AJSS system.
* **Appendix:** This includes a detailed field assembly inspection report.

This manual is an invaluable resource for anyone involved in the assembly of a Komatsu WA900-3 Wheel Loader. It provides the tools and information necessary to complete the process effectively and safely.

The Komatsu WA900-3 wheel loader is a powerful and robust machine designed for demanding heavy-duty applications in industries like mining, quarrying, construction, and material handling. This model, introduced in the early 2000s, succeeded the WA900-2 and features several enhancements to improve performance, efficiency, and operator comfort. The WA900-3 is equipped with a powerful Komatsu SAA6D170E-3 engine, renowned for its high torque and fuel efficiency. This engine delivers a gross power output of 440 horsepower, enabling the loader to handle heavy loads with ease. The machine is built on a durable chassis with a robust frame, designed to withstand the rigors of demanding work environments. It features a large operating capacity, boasting a standard bucket capacity of 6.5 cubic yards, capable of loading and transporting massive amounts of material. The WA900-3 is equipped with a sophisticated hydraulic system that provides precise control over the loader's functions, including lifting, lowering, and dumping.

The Komatsu WA900-3 is designed with operator comfort and safety in mind. The spacious and well-appointed cab offers excellent visibility and ergonomic controls. The operator's seat is fully adjustable, providing maximum comfort during long shifts. The machine is equipped with a comprehensive safety system, including a rollover protection structure (ROPS), fall protection, and a standard fire suppression system. These features contribute to a safe and productive work environment for the operator. The Komatsu WA900-3 is a highly reliable and efficient machine that has become a favorite among operators and fleet managers. Its combination of power, durability, and operator comfort makes it a valuable asset in a wide range of demanding applications. The Field Assembly Manual is a critical resource for technicians and mechanics who are responsible for assembling and maintaining this complex machine. It provides detailed instructions, diagrams, and technical specifications to ensure proper and safe assembly, helping to ensure optimal performance and longevity of the Komatsu WA900-3.