This comprehensive manual for the Komatsu WA900-3 Wheel Loader (serial number 50001 and up) provides detailed information on every aspect of maintenance, assembly, disassembly, and servicing. It's a valuable resource for anyone looking to maximize performance, ensure economical operation, and maintain the highest safety standards for their Komatsu WA900-3 Wheel Loader.

The manual is divided into three distinct parts: a Service Repair Manual, a Field Assembly Manual, and an Operation & Maintenance Manual.

The Service Repair Manual is packed with information and data specific to the WA900-3 model. You'll find detailed specifications, diagrams, and real-world photographs that walk you through every step of repair, diagnosing issues, servicing, and troubleshooting procedures. This manual empowers you to confidently tackle repairs and understand the inner workings of your machine without relying on outside service.

The Operation & Maintenance Manual focuses on the safe and effective operation of your wheel loader. It covers procedures for handling, lubrication, maintenance, checking, and adjustment. This section is essential for both operators and maintenance personnel striving for peak performance, efficiency, and safety.

The Field Assembly Manual provides the complete guide for assembling your Komatsu WA900-3 Wheel Loader from the ground up. It covers every step of the assembly process, including parts installation, adjustment procedures, and post-assembly maintenance. This manual ensures a safe and effective assembly experience.

The Service Repair Manual covers topics such as:

* General Information
* Structure and Function
* Testing and Adjusting
* Disassembly and Assembly
* Maintenance Standards
* Additional Information

The Operation & Maintenance Manual covers topics such as:

* Introduction
* Safety Information
* Location of Plates and Serial Number Information
* General Precautions
* Precautions During Operation
* Precautions for Maintenance
* Safety Label Placement
* General View and Component Explanation
* Operation Procedures
* Transportation
* Cold Weather Operation
* Long-Term Storage
* Troubleshooting
* Maintenance Guides
* Service Outlines
* Wear Parts List
* Fuel, Coolant, and Lubricant Use
* Standard Tightening Torques
* Periodic Replacement of Safety Critical Parts
* Maintenance Schedule Chart
* Service Procedures
* Specifications
* Optional Parts and Attachments
* Selecting Buckets and Tires
* Auto Shift System Handling
* Joystick Steering System Handling
* Main Monitor Failure Display
* Auto-Greasing System Handling
* Air Conditioner
* AM/FM Car Radio
* AM/FM Radio-Cassette Stereo

The Field Assembly Manual covers topics such as:

* Field Assembly Instructions
* General Drawing and Transportation Specifications
* Drawings of Disassembled Units
* Dimensions of Removed Units
* Layout of Workspace
* Necessary Tools
* Necessary Equipment and Slings
* List of Oils, Greases, and Paints
* Frame Stand
* Field Assembly Schedule
* Assembly Procedures for:
* Coupling Front and Rear Frames
* Installing Steering Pin
* Installing Drive Shaft
* Connecting Piping
* Positioning Axles and Installing Supports
* Positioning Bare Machine
* Installing Rear Axle
* Installing Rear Axle Piping and Drive Shaft
* Installing Front Axle
* Installing Front Axle Piping and Connecting Drive Shaft
* Installing Tires
* Installing Fuel Tank
* Installing Drain Line
* Connecting and Fixing Fuel Piping
* Fixing Drain Hoses of Engine
* Installing Ladder (Right)
* Installing Floor and Cab Assembly
* Connecting Air Conditioner Hoses
* Connecting Brake Lines
* Connecting PPC Line Hoses
* Connecting Wiring Harnesses
* Connecting Steering Oil Line
* Connecting Throttle Cable
* Installing Floor Cover
* Connecting Windshield Washer Hose and Supplying Washer Fluid
* Installing Battery Box Assembly
* Wiring Battery
* Wiring Diagram for Battery
* Installing Battery Step
* Installing Handrail (to Right Bracket)
* Installing Handrail (to Right Battery Box and Top Hood)
* Installing Rear Access Step
* Installing Left Handrail
* Installing Rear View Mirrors
* Installing Muffler Pipe
* Installing Counterweight
* Installing Front Lamp Assembly
* Installing ROPS Canopy Assembly
* Installing Antenna and Working Lamp
* Installing Floor Mat
* Installing Front Fenders
* Procedure for Starting Engine
* Installing Boom Assembly
* Connecting Remote Grease Tubes
* Preparing for Installing Bucket
* Procedure for Installing Bucket
* Adjusting Bucket Positioner
* Adjusting Boom Kick-out
* Adjusting Drive Force UP Switch
* Procedure for Bleeding Air from Work Equipment Circuit
* AJSS Specification (if equipped)
* Appendix
* Field Assembly Inspection Report

This comprehensive manual is an invaluable resource for any owner or operator of a Komatsu WA900-3 Wheel Loader seeking to maximize performance, ensure safety, and extend the life of their equipment.

The Komatsu WA900-3 is a heavy-duty wheel loader designed for demanding applications in the mining, quarrying, and construction industries. This powerhouse features a robust build, exceptional power, and impressive load capacity. Its sizable operating weight and immense lifting capacity make it a formidable asset for moving large volumes of material efficiently. Equipped with a powerful engine, the WA900-3 delivers significant horsepower and torque, enabling it to tackle even the toughest tasks with ease. Its advanced hydraulic system offers precise control over the loader arms, ensuring smooth and efficient material handling. The operator cabin is designed with comfort and ergonomics in mind, providing a safe and productive work environment.

The WA900-3's impressive features extend beyond its brute strength. It incorporates advanced technologies to enhance its performance and efficiency. These include an intelligent control system that optimizes fuel consumption and reduces emissions. The loader's robust construction, including durable components and reinforced structures, ensures long-term reliability and minimal downtime. The WA900-3 is a testament to Komatsu's commitment to innovation and quality, providing the construction industry with a powerful and dependable tool for efficient material handling. This model's success stems from its remarkable combination of power, reliability, and operator comfort, making it a popular choice for demanding projects worldwide.