This comprehensive manual provides detailed information on servicing, repairing, operating, and maintaining Komatsu 830B, 850B, 870B, 830C, 850C, and 870C motor graders. The manual is divided into two parts:

**Part 1: Service Repair Manual** This section offers a thorough guide for technicians and mechanics. It covers a wide range of topics including:

* Detailed exploded diagrams and component descriptions
* Step-by-step repair procedures for all major components, including engine, transmission, hydraulics, and electrical systems
* Troubleshooting guides to diagnose common problems
* Specifications and tolerances for all parts and components
* Wiring diagrams and electrical schematics

**Part 2: Operation & Maintenance Manual** This section is designed for operators and maintenance personnel. It provides essential information on:

* Safe and efficient operation of the motor grader
* Preventive maintenance schedules and procedures
* Lubrication charts and fluid capacities
* Operator controls and instruments
* Emergency procedures

This manual is an indispensable resource for anyone involved in the operation or maintenance of Komatsu 830B, 850B, 870B, 830C, 850C, and 870C motor graders.

The Komatsu 830B, 850B, 870B, 830C, 850C, and 870C motor graders are heavy-duty construction machines designed for a wide range of applications, including road building, site preparation, and heavy-duty grading operations. These robust machines are renowned for their powerful engines, advanced hydraulic systems, and durable construction, allowing them to handle challenging terrains and heavy workloads with efficiency and precision. The 830 series models feature a 175-horsepower engine, while the 850 series boasts a 225-horsepower engine, and the 870 series is powered by a 275-horsepower engine. These powerful engines provide ample torque and horsepower to tackle demanding tasks and move large volumes of earth. The graders are equipped with a variety of features that contribute to their versatility and operator comfort, including a spacious cab with excellent visibility, ergonomic controls, and advanced safety features.

These Komatsu motor graders are known for their reliable performance and robust construction, making them a popular choice for contractors and construction professionals worldwide. The 830B, 850B, and 870B models represent a generation of Komatsu motor graders known for their efficiency and durability. The 830C, 850C, and 870C models represent a newer generation of Komatsu motor graders, incorporating advancements in technology and design for improved performance and operator comfort. These models offer features such as advanced hydraulic systems, electronic controls, and enhanced safety features, contributing to their reputation for high performance and operator satisfaction. The availability of detailed service and repair manuals, as well as operation and maintenance manuals, ensures that owners and operators have access to comprehensive information for maintaining these machines in peak working condition, maximizing their lifespan and minimizing downtime.