Doosan DX225LC-3 and DX255LC-5 Excavator Service Manual Workshop Guide

Manual Included: Shop Manual: 874 Pages and 1354 Pages Specifications: Brand: Doosan Excavator Model: DX225LC-3 and DX255LC-5 Serial Number: 1001 and Up Type: Excavator Manuals: Shop Manual Publication Number: 950106-00364E (March 2012) and 950106-01107E (October 2014) Language: English Format: PDF Description Table of Contents:- Safety Track Excavator Maintenance Safety …………………………………………… SP002322 Specifications Specifications for DX225LC-3……………………………………………………… SP002491 General Maintenance General Maintenance Instructions……………………………………………….. SP002454 Standard Torques……………………………………………………………………… SP002404 Upper Structure Cabin ………………………………………………………………………………………. SP002324 Counterweight…………………………………………………………………………… SP002492 Fuel Tank…………………………………………………………………………………. SP002493 Fuel Transfer Pump (Option) ………………………………………………………. SP002534 Swing Bearing…………………………………………………………………………… SP002329 Lower Structure and Chassis Track Assembly ………………………………………………………………………… SP002494 Engine and Drivetrain Engine Coolant Heater (Option) ………………………………………………….. SP002328 Drive Coupling (Main Pump)……………………………………………………….. SP002495 Hydraulics Hydraulic System Troubleshooting, Testing and Adjustment …………… SP002535 Accumulator……………………………………………………………………………… SP002455 Center Joint (Swivel)………………………………………………………………….. SP002456 Cylinders………………………………………………………………………………….. SP002497 Swing Device……………………………………………………………………………. SP002498 Travel Device……………………………………………………………………………. SP002499 Main Pump……………………………………………………………………………….. SP002502 PTO Server………………………………………………………………………………. SP002503 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 Dozer Valve ……………………………………………………………………………… SP002529 Hydraulic Schematic (DX225LC-3)………………………………………………. SP002507 Electrical System Electrical System ………………………………………………………………………. SP002337 Electrical Schematic ………………………………………………………………….. SP002508 Attachments Boom and Arm………………………………………………………………………….. SP002505 Bucket……………………………………………………………………………………… SP002506 Doosan DX225LC-3 and DX255LC-5 Manual Instruction Extract: If engine does not start, the fuel system may need priming. Prime the fuel system using the following procedure: 1. Stop engine. 2. Open left side door and then there is fuel filter. 3. Loosen plug (1, Figure 23) on top of fuel filter head. 4. Pump hand operated primer pump (2, Figure 23). Pump primer until fuel is present at plug hole in fuel filter head. 5. Tighten plug in fuel filter head 6. Continue to pump primer pump until a strong resistance is felt 7. Start engine and look for signs of leaks. Repeat procedure if necessary. How to Use The Doosan DX225LC-3 and DX255LC-5 Excavator Guide Manual: This manual provides information for servicing the DX225LC-3 and DX255LC-5 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 DX225LC-3 and DX255LC-5 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.