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Doosan DX220A - User Manual

Doosan DX220A
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Copyright Doosan 2012K1049155AE Operation and Maintenance Manual
DOOSAN reserves the right to improve our products in a continuing process to provide the best possible product
to the market place. These improvements can be implemented at any time with no obligation to change materials
on previously sold products. It is recommended that consumers periodically contact their distributors for recent
documentation on purchased equipment.
This documentation may include attachments and optional equipment that is not available in your machine's
package. Please call your distributor for additional items that you may require.
Illustrations used throughout this manual are used only as a representation of the actual piece of equipment, and
may vary from the actual item.
Operation and Maintenance Manual
K1049155AE
Serial Number 11707 and Up
August 2012
DX220A
DX225LCA

Table of Contents

Questions and Answers

  • B
    Barbara BaldwinAug 12, 2025
    What to do if the starter does not operate on my Doosan Excavators?
    • M
      Matthew EllisonAug 13, 2025
      If the starter on your Doosan Excavators fails to operate, several issues could be the cause. First, ensure the battery has sufficient power by charging it. Check for poor terminal contact and clean and tighten the connections. Other potential causes include a failed starter switch, starter relay, starter controller, battery relay, or a faulty wiring harness, each requiring replacement. Also, inspect for a blown fuse and replace it if necessary.
  • S
    Sandra GouldAug 16, 2025
    Why won't the battery hold a charge in my Doosan DX220A Excavators?
    • M
      Miss Susan BookerAug 16, 2025
      If the battery in your Doosan Excavators won't hold a charge, it could be due to several reasons. Check for low battery power and clean and retighten the connections. A loose or bad alternator belt can also be the cause, so tighten or replace the belt. Inspect for loose or corroded terminals and tighten or replace them as needed. Finally, the alternator itself might be faulty, requiring repair or replacement.
  • R
    Robert OliverAug 20, 2025
    What to do if the starter engages but the engine does not start on Doosan DX220A Excavators?
    • J
      James SullivanAug 20, 2025
      If the starter engages but the engine doesn't start on your Doosan Excavators, consider these possibilities: Fuel may have gelled in cold weather, requiring you to replace the fuel. The fuel filters might be plugged, so replace them. There could be water or dirt in the fuel system, necessitating a cleaning of the system and the addition of new fuel. Air in the fuel system could also be the problem, requiring you to purge the air from the system. A failed engine stop relay can also cause this issue, so replace the relay. Finally, check for a blown fuse and replace it if necessary.
  • H
    Heather StevensonAug 25, 2025
    Why do Doosan DX220A Excavators have poor power?
    • H
      Heather DuncanAug 25, 2025
      Poor power in your Doosan Excavators can be attributed to several factors. A plugged air intake system can restrict performance, so clean the system and replace the filter. Clogged or dirty fuel injectors can also cause this, so clean the injectors. Additionally, plugged fuel filters can limit power, so replace the filters. The engine speed control cable might be out of adjustment, requiring readjustment. Finally, faulty valve backlash can contribute to poor power, so adjust the backlash.
  • D
    David CohenAug 27, 2025
    What causes a Doosan DX220A Excavators engine to knock, run unevenly, or surge?
    • T
      tamaradavisAug 27, 2025
      If your Doosan Excavators engine knocks, runs unevenly, or surges, several factors could be responsible. Low engine oil can cause these issues, so refill the oil. A plugged air intake system can also lead to these problems, so clean the system and replace the filter. A plugged fuel filter can also be the cause, so replace the fuel filter. Water or dirt in the fuel system may also be a factor, requiring you to clean the system and add new fuel. Clogged or dirty fuel injectors might also be the cause, so clean the injectors.
  • A
    Anna JohnsonAug 31, 2025
    Why does the engine start but runs only at low speed or shuts down on my Doosan Excavators?
    • A
      Amber SmithAug 31, 2025
      If your Doosan Excavators engine starts but runs only at low speed or shuts down, it could be due to incorrect engine oil viscosity, so change the oil. Clogged or dirty fuel injectors can also cause this issue, so clean the injectors. Another potential cause is plugged fuel filters, so replace the filters.
  • T
    Timothy GrahamSep 4, 2025
    How to troubleshoot uncontrollable engine speed on Doosan DX220A Excavators?
    • J
      John DouglasSep 4, 2025
      If the engine speed is not controllable on your Doosan Excavators, several components could be at fault. A failed speed control dial or throttle controller would each require replacement. The speed control motor might have failed, necessitating repair or replacement. A blown fuse could also cause this issue, so replace the fuse. Damaged wiring harness or a failed connector could also be the cause, each requiring repair or replacement.
  • T
    Tyler MilesSep 8, 2025
    What to do if the power mode selector does not work on Doosan Excavators?
    • A
      anadavisSep 8, 2025
      If the power mode selector on your Doosan Excavators does not work, begin by checking for a blown fuse and replace it. Other potential causes include a failed power mode selector switch, which would need replacement, or a failed connector, which should be replaced. A damaged wiring harness or a failed e-EPOS controller could also be the cause and should be repaired or replaced.

Summary

Safety

LOCATION OF SAFETY LABELS

Details the placement and importance of safety labels on the machine for hazard identification.

GENERAL HAZARD INFORMATION

Covers general safety rules, safety features, and personal protective items required for safe operation.

Emergency Exit

Explains the location and use of the emergency tool for breaking cabin glass to exit.

BEFORE STARTING ENGINE

Work Site Precautions

Outlines essential checks of terrain, ground conditions, and potential hazards before commencing work.

Checks Before Starting Engine

Details critical daily checks of the machine, fluids, and safety features before engine startup.

Before Operating Machine

Lists post-startup checks for equipment operation, noises, leaks, and operator safety before moving.

MACHINE OPERATION

Travel Precautions

Provides essential guidelines for safe machine travel, including speed modes and equipment folding.

Prohibited Operations

Identifies unsafe operating practices such as digging under overhangs or excessive loads to prevent accidents.

Avoid High Voltage Cables

Emphasizes safe distances and procedures when working near electrical power lines.

MAINTENANCE

Burn Prevention

Provides guidance on preventing burns from hot fluids and components, and handling batteries safely.

Track Tension Adjustments Require Caution

Warns about the high-pressure mechanism and safe procedures for adjusting track tension.

Waste Materials

Details procedures for the proper disposal of used oils, filters, and batteries to protect the environment.

BATTERY

Battery Hazard Prevention

Details hazards associated with battery electrolyte and hydrogen gas, and necessary safety precautions.

Boost Starting or Charging Engine Batteries

Explains the correct and safe procedure for jump-starting or charging engine batteries.

TOWING

Precautions When Towing

Outlines essential safety measures and correct procedures for towing the excavator to prevent injury.

SHIPPING AND TRANSPORTATION

Obey State and Local Over-the-Road Regulations

Advises checking and complying with all regulations regarding weight, width, and length for transport.

EXCAVATOR RATED LIFT CAPACITY TABLES

Lifting Operation Precautions

Provides critical safety guidelines for lifting operations, including load limits and stability factors.

Operating Controls

COMPONENT LOCATIONS

Identifies and illustrates the location of major machine components with reference numbers.

OPERATORS AREA

Details the layout and components within the operator's cabin for easy identification and access.

INSTRUMENT PANEL

Explains the function of various gauges, indicators, and buttons on the main instrument panel.

SEAT ADJUSTMENT

Provides instructions for adjusting the operator's seat for optimal comfort, control, and safety.

Operation

TO HANDLE A NEW EXCAVATOR

Guides the operator through essential steps for the initial break-in period to ensure proper machine performance.

STARTING AND STOPPING THE ENGINE

Covers the complete procedure for safely starting and stopping the engine, including pre-start checks.

SAFETY LEVER

Explains the function and proper use of the safety lever to prevent accidental movement of controls.

TRAVEL

Details safe operation procedures for machine travel, including speed control and lever operation.

Lifting

Offers critical guidelines for safe lifting operations, covering load capacity, stability, and sling usage.

INSPECTION, MAINTENANCE AND ADJUSTMENT

PREVENTIVE MAINTENANCE

Outlines routine maintenance requirements to keep the machine in optimal operating condition.

PRELIMINARY WORK MACHINE SETUP FOR MAINTENANCE

Details the correct procedure for preparing the machine before performing maintenance tasks.

TABLE OF RECOMMENDED LUBRICANTS

Lists appropriate fluids and lubricants for machine components based on ambient temperature.

MAINTENANCE INTERVALS

Provides a schedule of service items and their intervals for daily, weekly, monthly, and yearly checks.

HANDLING OF ACCUMULATOR

Details crucial safety precautions and procedures for handling hydraulic accumulators due to high-pressure gas.

TRACK TENSION

Describes safe procedures and measurements for adjusting track tension to prevent wear and damage.

Transportation

LOADING AND UNLOADING

Outlines critical safety procedures and considerations for loading and unloading the excavator onto transport vehicles.

LIFTING WITH SLING

Details safe methods for lifting the machine using cables and slings, emphasizing load stability.

Troubleshooting

ELECTRICAL SYSTEM

Lists common electrical problems, their causes, and recommended remedies.

ENGINE

Provides a guide to common engine issues, their causes, and suggested solutions.

HYDRAULIC SYSTEM

Details typical hydraulic system malfunctions, their causes, and corrective actions.

Specification

STANDARD SPECIFICATION

Presents the technical specifications of the machine, including capacities and performance data.

OVERALL DIMENSIONS

Provides detailed measurements of the machine's dimensions for various configurations.

WORKING RANGE

Illustrates the machine's operational reach and working envelope for different boom and arm configurations.

Doosan DX220A Specifications

General IconGeneral
BrandDoosan
ModelDX220A
CategoryExcavators
LanguageEnglish

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