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Manuals
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Doosan Manuals
Excavators
DX255LC
Shop manual
Doosan DX255LC Shop Manual
Serial number 5001 and up
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Contents
Table of Contents
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Table of Contents
Table of Contents
Specifications
Track Excavator Safety
Safety Precautions
Applicable Models
To the Operator of a DOOSAN Excavator
General Safety Essentials
Specifications
Location of Safety Labels
Summary of Safety Precautions for Lifting in Digging Mode
Unauthorized Modifications
General Hazard Information
Cabin
Emergency Exit
Before Starting Engine
Machine Operation
Traveling on Slopes
Prohibited Operations
Parking Machine
Maintenance
Specifications
Battery
Towing
Shipping and Transportation
Lifting with Sling
Specifications
Specification
Specifications
Applicable Models
Safety Precautions
General Description
Component Locations
Swing Bearing
General Dimensions
Working Range
General Specifications
Engine Performance Curves (Per DIN 6270 Standard)
Approximate Weight of Workload Materials
Performance Tests
Excavator Performance Standards
Test Conditions
Travel Speed and Travel Motor Balance (Steering Deviation) Tests
Swing Speed and Deceleration Force Test
Cylinder Performance Tests
General Maintenance Procedures
Applicable Models
Safety Precautions
Welding Precautions and Guidelines
Hydraulic System - General Precautions
Cylinders
Maintenance Service and Repair Procedure
General Precautions
Swing Motor
Hydraulic System Cleanliness and Oil Leaks
Maintenance Precautions for Hydraulic System Service
Oil Leakage Precautions
Cleaning and Inspection
General Guidelines
Bearing Inspection
Standard Torques
Applicable Models
Safety Precautions
Standard Torques
Torque Values for Standard Metric Fasteners
Torque Values for Standard U.S. Fasteners
Type 8 Phosphate Coated Hardware
Torque Values for Hose Clamps
Torque Values for Split Flanges
Torque Wrench Extension Tools
Torque Multiplication
Other Uses for Torque Wrench Extension Tools
Tightening Torque Specifications (Metric)
Bucket
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Specifications
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Maintenance
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Hydraulic System - General Precautions
4
Maintenance Service and Repair Procedure
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DX225LC
Shop Manual
K1015439E
Serial Number 5001 and Up
Table of
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Table of Contents
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Specification
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General Maintenance Procedures
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Standard Torques
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Table of Contents
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Summarization of Contents
DX225LC Shop Manual
Safety
Track Excavator Safety
Safety guidelines and precautions for operating the track excavator.
Operator Safety and Precautions
General safety recommendations, operator responsibilities, and essential precautions.
General Safety Essentials
Core safety principles and practices for excavator operation.
Hazard Identification and Prevention
Identifying hazards like safety labels, modifications, general hazards, cabin safety, and fire/explosion risks.
Operational Safety Procedures
Precautions for starting the engine, operating the machine, travel, and parking.
Maintenance Safety
Safety guidelines for performing maintenance, welding, and handling components.
Component and System Safety
Safety measures for high-pressure lines, batteries, towing, and shipping.
Lifting and Transportation Safety
Safe procedures for lifting, shipping, and transporting the excavator.
Specifications
DX225LC Specification Details
Comprehensive technical specifications for the DX225LC excavator model.
General Description and Dimensions
Overview of components, locations, and key dimensional data of the excavator.
Working Range and Performance
Excavator's operational reach, digging range, and performance test standards.
Engine Performance Data
Engine performance curves, specifications, and workload material weights.
General Maintenance Procedures
Safety Precautions for Maintenance
Safety guidelines for performing general maintenance tasks.
Welding Precautions and Guidelines
Safety measures and best practices for welding on the machine.
Hydraulic System Maintenance
Precautions for hydraulic system service, cleanliness, and oil leakage.
Cleaning and Inspection
Procedures for cleaning and inspecting machine components, including bearings.
Standard Torques
Fastener Torque Values
Standard torque values for metric, US, and special fasteners.
Hose Clamp and Flange Torques
Recommended torque values for hose clamps and split flanges.
Torque Wrench Usage and Specifications
Information on torque wrench extension tools, multiplication, and metric specifications.
Upper Structure - Cabin
Cabin Safety and Maintenance
Safety precautions, removal, and installation procedures for the excavator cabin.
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