Komatsu PC390LC-10 User Manual

CEBM025205
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Manual
PC360LC -10
PC390LC -10
HYDRAULIC EXCAVATOR
SERIAL NUMBERS PC360LC-10 A32001 and up
PC360LC-10 K64001 and up
PC390LC-10 A30001 and up
ENGINE 6D114E-5
This material is proprietary to Komatsu America Corp. and is not to be reproduced, used, or disclosed except in
accordance with written authorization from Komatsu America Corp.
It is our policy to improve our products whenever it is possible and practical to do so. We reserve the right to
make changes or improvements at any time without incurring any obligation to install such changes on products
sold previously.
Due to this continuous program of research and development, revisions may be made to this publication. It is
recommended that customers contact their distributor for information on the latest revision.
Copyright 2015 Komatsu
Printed in U.S.A.
Komatsu America Corp.
November 2015

Komatsu PC390LC-10 Specifications

General

Brand	Komatsu
Model	PC390LC-10
Category	Excavators
Language	English

Summary

Safety and Operational Precautions

Safety Notice and General Precautions

Provides critical safety notices and general precautions for machine operation and repair.

Work Preparations and Precautions

Details safety procedures for preparing for work and precautions to follow while performing tasks.

Hoisting and Slinging Safety

Covers safety for sling work, making signs, and general hoisting procedures.

Crane Operation Safety

Provides specific safety instructions for operating overhead and mobile hoisting cranes.

Wire Rope Selection for Hoisting

Guidance on selecting appropriate wire ropes based on load capacity and safety.

Component Handling Procedures

Electric and Hydraulic Component Handling

Procedures and precautions for handling electrical and hydraulic components, wiring, and systems.

Push Pull Coupler Operations

Detailed instructions for disconnecting and connecting push-pull hydraulic couplers (Types 1, 2, 3).

Fuel System Handling Precautions

Precautions for servicing fuel injection systems, emphasizing cleanliness to prevent foreign matter entry.

Intake System Handling Precautions

Care and precautions for servicing the Variable Geometry Turbocharger (KVGT) system.

Maintenance Standards and Specifications

Maintenance Standard Terms Explanation

Explains terms like standard size, tolerance, clearance, and interference for maintenance standards.

Standard Tightening Torque

Provides torque specifications for various bolts, nuts, hose connections, and fittings.

Electric Wire Code Explanation

Explains the wire code system used in wiring diagrams, including color and type.

General Operations and Precautions

Precautions for Removal Work

Safety procedures and precautions to follow when removing machine units or components.

Precautions for Installation Work

Safety procedures and precautions to follow when installing machine units or components.