Doosan Daewoo DX420LC Excavator Service Manual

Product Overview

The Doosan Daewoo DX420LC Excavator Service Manual is an essential resource for maintaining your DX420LC Crawler Excavator. This comprehensive manual, available in a convenient PDF format, details service procedures, safety precautions, and schematic diagrams to guide you through troubleshooting and repairs. Specifically designed for models with serial numbers 5001 and up, as well as 5327 and up, it is a must-have for any owner or technician seeking to maximize the performance and lifespan of their equipment.

Key Features

• Format: PDF
• Type: Service Manual
• Publication Number: K1009096E
• Coverage: Over 900 pages, including electronic and hydraulic schematics
• Applicable Models: DX420LC with serial numbers 5001 and up, 5327 and up

Benefits

• Comprehensive Guidance: Detailed service steps organized in a logical sequence for easy navigation.
• Visual Aids: Photographs and drawings to assist in locating and repairing components.
• Safety Information: Extensive safety recommendations to ensure safe maintenance practices.
• Schematic Diagrams: Detailed diagrams of major engine systems enhances troubleshooting and repair capabilities.

Usage Recommendations

• Familiarize with Safety: Begin with the Safety section to understand all essential precautions and warnings.
• Utilize the Table of Contents: Quickly locate specific procedures using the comprehensive table of contents.
• Follow Sequential Steps: Adhere to the recommended order of procedures for efficient service outcomes.
• Use as a Troubleshooting Guide: Leverage the manual’s schematics to diagnose and fix hydraulic and electrical issues.

Table of Contents

The manual includes critical sections such as:

• Safety: Track Excavator Safety (SP000256)
• Specifications: DX420LC Specifications (SP000257)
• General Maintenance: Procedures (SP000016), Standard Torques (SP000017)
• Upper Structure: Cabin (SP000018), Counterweight (SP000265), Fuel Tank (SP000264), Swing Bearing (SP000262), Swing Reduction Gear (SP000249)
• Lower Structure and Chassis: Track Assembly (SP000263), Air Conditioner (SP000025)
• Engine and Drive Train: Drive Coupling (Main Pump) (SP000026)
• Hydraulics: System Troubleshooting (SP000273), Accumulator (SP000028), Center Joint (Swivel) (SP000181), and more.
• Electrical System: Electrical System (SP000269)
• Attachments: Boom and Arm (SP000040), Bucket (SP000041)