Doosan DX255LC-3 Excavator Service Manual Workshop Guide

Manual Included: Shop Manual: 874 Pages Specifications: Brand: Doosan Excavator Model: DX255LC-3 Serial Number: 50001 and Up Type: Excavator Manuals: Shop Manual Publication Number: 950106-00374E (April 2012) Language: English Format: PDF Description Table of Contents:- Safety Track Excavator Maintenance Safety …………………………………………… SP002322 Specifications Specifications for DX255LC-3……………………………………………………… SP002547 General Maintenance General Maintenance Instructions……………………………………………….. SP002454 Standard Torques……………………………………………………………………… SP002404 Upper Structure Cabin ………………………………………………………………………………………. SP002324 Counterweight…………………………………………………………………………… SP002548 Fuel Tank…………………………………………………………………………………. SP002549 Fuel Transfer Pump (Option) ………………………………………………………. SP002550 Swing Bearing…………………………………………………………………………… SP002329 Lower Structure and Chassis Track Assembly ………………………………………………………………………… SP002551 Engine and Drivetrain Engine Coolant Heater (Option) ………………………………………………….. SP002328 Drive Coupling (Main Pump)……………………………………………………….. SP002586 Hydraulics Hydraulic System Troubleshooting, Testing and Adjustment …………… SP002597 Accumulator……………………………………………………………………………… SP002455 Center Joint (Swivel)………………………………………………………………….. SP002456 Cylinders………………………………………………………………………………….. SP002587 Swing Device……………………………………………………………………………. SP002588 Travel Device……………………………………………………………………………. SP002590 Main Pump……………………………………………………………………………….. SP002591 Gear Pump ………………………………………………………………………………. SP002500 Main Control Valve ……………………………………………………………………. SP002403 Remote Control Valve (Work Lever / Joystick) ………………………………. SP002395 Travel Control Valve (with Damper)……………………………………………… SP002381 Solenoid Valve Assembly …………………………………………………………… SP002406 Breaker EPPR Valve (Option) …………………………………………………….. SP002458 Hydraulic Schematic (DX255LC-3)………………………………………………. SP002589 Electrical System Electrical System ………………………………………………………………………. SP002337 Electrical Schematic ………………………………………………………………….. SP002508 Attachments Boom and Arm………………………………………………………………………….. SP002592 Bucket……………………………………………………………………………………… SP002506 How to Use The Doosan DX255LC-3 Excavator Guide Manual: This manual provides information for servicing the DX255LC-3 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 DX255LC-3 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.