Doosan DX140 Excavator Service Manual

Table of Contents:-

Safety
Track Excavator Safety………………………………………………………………. SP000014
Specifications
Specification for DX140LC………………………………………………………….. SP001313
General Maintenance
General Maintenance Procedures……………………………………………….. SP000016
Standard Torques……………………………………………………………………… SP000813
Upper Structure
Cabin ………………………………………………………………………………………. SP000943
Counterweight…………………………………………………………………………… SP000940
Fuel Tank…………………………………………………………………………………. SP001320
Fuel Transfer Pump…………………………………………………………………… SP000021
Swing Bearing…………………………………………………………………………… SP000022
Swing Reduction Gear……………………………………………………………….. SP000921
Lower Structure and Chassis
Track Assembly ………………………………………………………………………… SP001321
Engine and Drive Train
Drive Coupling (Main Pump)……………………………………………………….. SP001326
Hydraulics
Hydraulic System Troubleshooting, Testing and Adjustment …………… SP001327
Accumulator……………………………………………………………………………… SP000028
Center Joint (Swivel)………………………………………………………………….. SP000029
Cylinders………………………………………………………………………………….. SP000030
Swing Motor……………………………………………………………………………… SP000985
Travel Moter……………………………………………………………………………… SP001346
Main Pump……………………………………………………………………………….. SP001329
Main Control Valve ……………………………………………………………………. SP001029
Remote Control Valve (Work Lever / Joystick) ………………………………. SP000069
Travel Control Valve (with Damper)……………………………………………… SP000070
Solenoid Valve Assembly …………………………………………………………… SP000445
Breaker EPPR Valve (Opt) …………………………………………………………. SP000192
Hydraulic Schematic (DX140LC)…………………………………………………. SP001330
Electrical System
Electrical System………………………………………………………………………. SP001038
Electrical Schematic (DX140LC) …………………………………………………. SP001357
Attachments
Boom and Arm………………………………………………………………………….. SP001331
Bucket……………………………………………………………………………………… SP000939

Doosan DX140 Manual Instruction Extract:

Track Removal
1. Position machine on a smooth level surface with adequate room for forward and reverse travel.
2. Relieve track tension. Refer to “Track Tension” in this section for procedure.
3. Move machine until master link (1, Figure 8) is positioned at approximately 10 o’clock from top position on front idle roller.
4. Remove four nuts and bolts (2, Figure 8) holding shoe to link. Remove enough shoes to make access to lock pin easier.
NOTE: Support track shoes with blocking so that when master pin (4, Figure 8) is removed track will not fall.
5. Straighten lock pin (3, Figure 8) and remove it from master pin (4). Discard lock pin.
6. Remove master pin from master links.
7. Move unit backward until entire track is laying on ground.
NOTE: Do not drive unit off track.
8. Rotate upper structure to 90 from track. Use bucket and boom to raise track frame off track.
9. Position blocking under frame.

How to Use The Doosan DX140 Excavator Guide Manual:

This manual provides information for servicing the DX140 Doosan Excavator. All service procedures are broken down into detailed steps, listed in their recommended sequence. The manual uses both photographs and drawings to help locate and itemize components. The table of Contents on the preceding pages is your best tool for finding the service procedure you need. Be certain to observe all Safety information included in these pages.

A schematic of each of the major engine systems is provided at the beginning of the section of the manual devoted to troubleshooting and repairing that particular system.

Basic safety precautions are list in the Safety section of the Doosan DX140 Excavator Service Manual. Additional safety precautions are list in the Safety section of the owner/operation/maintenance publication. Specific safety warnings for all these publications are provided in the description of operations where hazards exist. WARNING labels have also been put on the product to provide instructions and to identify specific hazards.