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Komatsu ecot3 PC228US-8 User Manual

Komatsu ecot3 PC228US-8
51 pages
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HYDRAULIC
EXCAVATOR
SEN05331-05
PC228US
-8
PC228USLC
-8
SERIAL NUMBERS
50001
and up
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Komatsu ecot3 PC228US-8 Specifications

General IconGeneral
BrandKomatsu
Modelecot3 PC228US-8
CategoryExcavators
LanguageEnglish

Summary

00 Index and foreword

Foreword and general information

Safety notice

Important safety precautions for operating and repairing the machine.

Preparation work

Steps to take before starting repair or maintenance work.

Precautions during work

Guidelines and warnings to follow while performing work.

Precautions for slinging work and making signals

Safety guidelines for lifting loads and proper signaling.

Precautions for using overhead traveling crane

Safety measures for operating overhead traveling cranes.

Selecting wire ropes

Guidance on choosing appropriate wire ropes for hoisting.

Precautions for disconnecting and connecting hoses and tubes in an air conditioner circuit

Safe procedures for handling air conditioner hoses and tubes.

How to read the shop manual

Explains the structure and sections of the shop manual.

Composition of shop manual

Details the manual's sections and their purpose.

Troubleshooting

How to find and repair failed parts using the manual.

Disassembly and assembly

Procedures for removing, installing, and assembling components.

Maintenance standard

Provides maintenance standard values and criteria.

Appendix

Covers equipment not classifiable in other sections.

Diagrams and drawings

Includes hydraulic and electrical circuit diagrams.

Revision and distribution

Information on manual updates and distribution.

Filing method

Instructions for organizing revised pages in the manual.

Symbol

Explains symbols used in the shop manual for clarity.

Unit

Details the units of measurement used in the manual.

Explanation of terms for maintenance standard

Defines terms used in maintenance standards.

Standard dimension and tolerance

Defines standard dimensions and acceptable tolerance ranges for parts.

Standard clearance and standard value

Explains standard clearance and performance values for parts.

Standard interference

Defines standard interference for assembled parts.

Repair limit and allowable value or dimension

Explains limits for part wear and acceptable values.

Allowable clearance

Defines the maximum usable clearance between parts.

Allowable interference

Defines the maximum allowable interference for part assembly.

Handling of hydraulic components

Guidelines for handling hydraulic system components.

Be careful of the operating environment

Precautions for working in adverse environmental conditions.

Disassembly and maintenance work in the field

Guidelines for performing hydraulic work outside a workshop.

Sealing openings

Procedures for sealing openings after component removal.

Preventing intrusion of foreign materials

Steps to prevent dirt and dust entry during refilling.

Replacing hydraulic oil

Instructions for changing hydraulic oil, especially when warm.

Flushing operations

Procedures for flushing the hydraulic circuit to remove contaminants.

Cleaning operations

Methods for cleaning hydraulic oil to remove sludge.

Method of disconnecting and connecting push-pull type coupler

Procedures for connecting and disconnecting push-pull couplers.

Type 1 coupler procedures

Steps for disconnecting and connecting Type 1 push-pull couplers.

Type 2 coupler procedures

Steps for disconnecting and connecting Type 2 push-pull couplers.

Type 3 coupler procedures

Steps for disconnecting and connecting Type 3 push-pull couplers.

Handling of electric equipment

Guidelines for handling electrical components and systems.

Wiring harness and connector handling

Guidelines for working with wiring harnesses and connectors.

Wiring harness failures

Common failures related to wiring harnesses and connectors.

Connector precautions and procedures

Precautions for disconnections, water, dirt, and general handling.

Connector removal, installation, and drying

Steps for removing, installing, and drying electrical connectors.

Connector connection and alignment

Procedures for connecting connectors and aligning harnesses.

Specific connector types and procedures

Instructions for Deutsch, engine, and other specific connector types.

How to read electric wire code

Explains how to interpret electric wire codes.

Wire code interpretation

Details wire types, symbols, materials, and dimensions.

Wire color codes

Tables for wire color codes and circuit types.

Precautions when performing work

General safety guidelines for performing work on the machine.

Removal work precautions

Safety guidelines for removing machine components.

Hose and tube precautions during disassembly

Plugs for face seal and split flange hoses and tubes.

Installation and completion work precautions

Guidelines for installation and post-work checks.

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