Doosan DX255LC Shop manual SL No:5001 thru 5143 – PDF Download!
DESCRIPTION:
Doosan DX255LC Shop manual SL No:5001 thru 5143 – PDF Download!
Improper operation and maintenance of this machine can be hazardous and could result in serious injury or death. Operator and maintenance personnel should read this manual thoroughly before beginning operation or maintenance.
- Keep this manual in the storage compartment to the rear of the operator’s seat, and have all personnel involved in working on the machine read the manual periodically. Some actions involved in operation and maintenance of the machine can cause a serious accident, if they are not done in a manner described in this manual. The procedures and precautions given in this manual apply only to intended uses of the machine.
- If you use your machine for any unintended uses that are not specifically prohibited, you must be sure that it is safe for any others. In no event should you or others engage in prohibited uses or actions as described in this manual. DOOSAN delivers machines that comply with all applicable regulations and standards of the country to which it has been shipped.
- If this machine has been purchased in another country or purchased from someone in another country, it may lack certain safety devices and specifications that are necessary for use in your country. If there is any question about whether your product complies with the applicable standards and regulations of your country, consult DOOSAN or your DOOSAN distributor before operating the machine.
Please respect the importance of taking responsibility for your
own safety, and that of other people who may be affected by
your actions.
The safety information on the following pages is organized into
the following sections:
1. “General Safety Essentials” on page 1-10
2. “Location of Safety Labels” on page 1-11
3. “Summary of Safety Precautions for Lifting in Digging
Mode” on page 1-12
4. “Unauthorized Modifications” on page 1-13
5. “General Hazard Information” on page 1-13
6. “Before Starting Engine” on page 1-22
7. “Machine Operation” on page 1-26
8. “Maintenance” on page 1-33
9. “Battery” on page 1-42
10. “Towing” on page 1-44
11. “Shipping and Transportation” on page 1-45
12. “Lifting With Sling” on page 1-45
- When entering the operator’s compartment, always remove all mud and oil from the soles of your shoes. If you operate the travel pedal with mud or oil stuck to your shoes, your foot may slip and this may cause a serious accident.
- After using the ashtray, make sure that any matches or cigarettes are properly extinguished, and be sure to close the ashtray. If the ashtray is left open, there is danger of fire. Do not stick suction pads to the window glass. Suction pads act as a lens and may cause fire. Do not leave lighters laying around the operator’s compartment. If the temperature inside the operator’s compartment becomes high, there is danger that the lighter may explode.
- Do not use cellular telephones inside the operator’s compartment when driving or operating the machine. There is danger that this may lead to an unexpected accident. Never bring any dangerous objects such as flammable or explosive items into the operator’s cabin. To ensure safety, do not use the radio or music headphones when operating the machine. There is danger that this may lead to a serious accident.
- When operating the machine, do not put your hands or head out of the window. When standing up from the operator’s seat, always place safety lock lever securely in the “LOCK” position. If you accidentally touch the work equipment levers when they are not locked, the machine may suddenly move and cause serous injury or damage. When leaving the machine, lower the work equipment completely to the ground, set safety lock lever to the “LOCK” position and shut down engine. Use the key to lock all the equipment. Always remove the key and take it with you.
TABLE OF CONTENTS:
Doosan DX255LC Shop manual SL No:5001 thru 5143 – PDF Download :
1Table of Contents
Safety
Track Excavator Safety………………………………………………………………. SP000014
Specifications
Specification for DX255LC………………………………………………………….. SP001009
General Maintenance
General Maintenance Procedures……………………………………………….. SP000016
Standard Torques……………………………………………………………………… SP000813
Upper Structure
Cabin ………………………………………………………………………………………. SP000943
Counterweight…………………………………………………………………………… SP000940
Fuel Tank…………………………………………………………………………………. SP001012
Fuel Transfer Pump…………………………………………………………………… SP000021
Swing Bearing…………………………………………………………………………… SP001068
Swing Reduction Gear……………………………………………………………….. SP001015
Lower Structure and Chassis
Track Assembly ………………………………………………………………………… SP001016
Engine and Drive Train
Drive Coupling (Main Pump)……………………………………………………….. SP001069
Hydraulics
Hydraulic System Troubleshooting, Testing and Adjustment …………… SP001017
Accumulator……………………………………………………………………………… SP000028
Center Joint (Swivel)………………………………………………………………….. SP000029
Cylinders………………………………………………………………………………….. SP000030
Swing Motor……………………………………………………………………………… SP001020
Travel Motor……………………………………………………………………………… SP001021
Gear Pump ………………………………………………………………………………. SP000931
Main Control Valve ……………………………………………………………………. SP000034
Axial Piston Pump……………………………………………………………………… SP001022
PTO Server………………………………………………………………………………. SP000933
Remote Control Valve (Work Lever / Joystick) ………………………………. SP000069
Travel Control Valve (with Damper)……………………………………………… SP000070
Solenoid Valve Assembly …………………………………………………………… SP000445
Breaker EPPR Valve (Opt) …………………………………………………………. SP000192
Hydraulic Schematic (DX255LC)…………………………………………………. SP001023
Electrical System
Electrical System………………………………………………………………………. SP001025
Electrical Schematic (DX180LC/DX225LC/225NLC/255LC) ……………. SP000936
Attachments
Boom and Arm………………………………………………………………………….. SP001026
Bucket……………………………………………………………………………………… SP000939
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S.J