Komatsu 830E-5 Dump Truck Service Repair Manual

Table of Content

00 Index and foreword
Index
Foreword, safety and general information
01 Specification
Specification and technical data
10 Structure and functions
Steering circuit
Hoist circuit
Brake circuits
Electrical system, 24 volt
Heating/air conditioning (HVAC) system
Automatic lubrication (auto lube) system
Engine emissions after-treatment system
20 Standard value table
Standard value table
30 Testing and adjusting
Steering, hoist and auxiliary hydraulic systems
Brake system
Accumulators and suspensions
Electrical systems
Interface module (IM)
KOMTRAX Plus II
Payload meter IV
Komatsu wireless bridge (KWB)
Cab air conditioning
Automatic lubrication (auto lube) system
KomVision
40 Troubleshooting
Fuse, diode and relay locations
Troubleshooting by Fault Code
Aftertreatment system fault codes
Steering system
KomVision
Automatic lubrication (auto lube) system
Heating/air conditioning (HVAC) system
Electronic fan clutch
50 Disassembly and assembly
Service tools
Wheels, spindles and rear axle
Brake system
Steering system
Suspensions
Hoist circuit
Body and structures
Operator cab
Power module
90 Diagrams and drawings
Hydraulic circuit diagrams
Electrical circuit diagrams

HOW TO READ THE SHOP MANUAL

Composition of the shop manual
This shop manual contains technical information necessary to perform services in workshops. It is divided into the following chapters for the ease of use.

00 INDEX AND FOREWORD
This section describes the index, foreword, safety, and basic information.

01 SPECIFICATIONS
This section describes the specifications of the machine.

10 STRUCTURE AND FUNCTION
This section describes the structure and operation of each component with respect to each system. “STRUCTURE AND FUNCTION” is helpful in not only understanding the structure of each component but performing troubleshooting.

20 STANDARD VALUE TABLE
This section describes the standard values for new machine and failure criteria for testing and adjusting, and troubleshooting. Use the standard values table to check the standard values for testing and adjusting, and judge troubles in troubleshooting.

30 TESTING AND ADJUSTING
This section describes the measuring tools and measuring methods for testing and adjusting as well as the adjusting method of each part. The standard values and repair limit for TESTING AND ADJUSTING are described in “STANDARD VALUE TABLE”.

40 TROUBLESHOOTING
This section describes troubleshooting of failure part and its remedy method on the occurrence of the failure.
Descriptions of troubleshooting are sorted by failure mode.

50 DISASSEMBLY AND ASSEMBLY
This section describes the special tools, work procedures, and safety precautions necessary for removal, installation, disassembly, and assembly of the components and parts. In addition, tightening torques, quantity, and weight of the coating materials, lubricants, and coolant necessary to these works are shown.

90 Circuit diagrams
This section describes hydraulic circuit diagrams and electrical circuit diagrams.

Symbols
Important safety and quality portions are marked with the following symbols so that shop manual is used effectively.