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Komatsu PC250LC-6 User Manual

Komatsu PC250LC-6
711 pages
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Table of Contents

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Komatsu PC250LC-6 Specifications

General IconGeneral
Swing Speed11.5 rpm
Travel Speed5.5 km/h
Fuel Tank Capacity400 l
Engine Power129 kW
Max Dump Height7, 030 mm

Summary

01 General

Specifications

Technical data for different models including dimensions, weight, performance, and fluid capacities.

10 Structure and Function

Hydraulic System Diagrams

Presents detailed hydraulic piping and circuit diagrams for system analysis.

Hydraulic Pump

Explains the structure, operation, and components of the hydraulic pump.

Control Valve

Details the structure and components of the control valve assembly, including various spool configurations.

CLSS (Closed Center Load Sensing)

Explains the CLSS system's function, features, and basic principles.

20 Testing and Adjusting

Table of Judgment Standard Values

Lists standard and permissible values for various tests and adjustments.

Tools for Testing, Adjusting and Troubleshooting

Identifies necessary tools, part numbers, and adapters for maintenance procedures.

Engine Related Tests

Covers procedures for measuring engine speed, intake manifold pressure, and related engine systems.

Electrical System Testing

Outlines tests for sensors, switches, and controllers within the electrical system.

Troubleshooting Flowcharts

Provides diagnostic flowcharts for various failure modes based on service codes.

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