This comprehensive manual provides in-depth information on maintaining, assembling, disassembling, and servicing your Komatsu 930E-3 Dump Truck. It is designed to help you achieve peak performance through effective, economical, and safe machine operation and maintenance.

The manual is divided into three parts:

**1. Service Repair Manual:** This section covers a wide range of topics, including general information, structures, engine systems, electrical systems (both 24 VDC non-propulsion and electric propulsion and control), drive axle, spindles and wheels, Hydrair II suspensions, brake circuit, hydraulic system, options and special tools, operator's cab, lubrication and service, an alphabetical index, and system schematics.

**2. Operation & Maintenance Manual:** This part focuses on procedures for operating, handling, lubricating, maintaining, checking, and adjusting your Komatsu 930E-3 Dump Truck. It will guide both operators and maintenance personnel in realizing peak performance through effective, economical, and safe machine operation and maintenance. This section also includes standard charts and tables, general safety information, warnings and cautions, truck operation, operator cab and controls, lubrication and service, automatic lubrication system, components and specifications, Payload Meter III, and radio/cassette player information.

**3. Field Assembly Manual:** This section provides detailed instructions for assembling your Komatsu 930E-3 Dump Truck safely and effectively. It includes step-by-step assembly procedures, parts installation guidelines, adjustment instructions, and maintenance procedures to be followed after assembly completion. The manual covers safety rules, tools and equipment, truck components and specifications, major component weights, field welding techniques for assembly or repair, receiving and assembly preparation, chassis assembly, dump body assembly, final assembly, final checkout, and an appendix.

The manual includes detailed specifications, diagrams, actual real-photo illustrations, and schemes, which provide complete step-by-step instructions for repair, diagnosing, servicing, technical maintenance, and troubleshooting procedures for your machine. It offers comprehensive information to help you repair your machine and understand how to maintain it effectively without needing to rely on external service.

This manual covers serial numbers A30304 through A30363, A30364 and up.

## Komatsu 930E-3: A Giant of the Mining World

The Komatsu 930E-3 is a behemoth of the mining industry, classified as a large-capacity electric drive dump truck. It represents the pinnacle of engineering prowess, capable of hauling massive loads across challenging terrains with unparalleled efficiency and reliability. Its robust construction boasts a powerful electric drive system, ensuring smooth and consistent performance even under the most demanding conditions. The 930E-3 is equipped with a massive payload capacity of 240 tonnes (264 tons), allowing it to transport vast quantities of ore and other materials in a single trip. This impressive carrying capacity, combined with its high-performance engine and advanced technological features, translates into significant productivity gains for mining operations, contributing to increased profitability and reduced operating costs.

The 930E-3 is designed with safety and operator comfort as paramount considerations. The spacious and ergonomically designed cab offers a commanding view of the surroundings, ensuring excellent visibility for the operator. Advanced safety features, such as collision avoidance systems and automatic braking, further enhance operator safety. The truck's robust construction and reliable components ensure maximum uptime, minimizing downtime due to maintenance or repairs. The 930E-3 also incorporates a comprehensive suite of monitoring and diagnostics tools, enabling operators and maintenance personnel to track vehicle performance and identify potential issues before they escalate into major problems. This proactive approach to maintenance ensures smooth operation and minimizes costly downtime, contributing significantly to the truck's overall efficiency and reliability.