Doosan DX300LCA Excavator Shop Manual 950106-00075E – 2010 PDF Repair Guide

Description

Doosan DX300LCA Excavator Shop Manual — Complete Repair & Service Guide

This Doosan DX300LCA Excavator Shop Manual is a comprehensive PDF service and repair guide covering serial number 5001 and up. Published under document number 950106-00075E in 2010, this workshop manual gives technicians, mechanics, and equipment owners the detailed procedures, specifications, and diagnostic information needed to maintain and repair the DX300LCA track excavator.

File Details

• Manual Type: Shop Manual (Service & Repair)
• Brand: DOOSAN
• Primary Model: DX300LCA
• Serial Number Range: 5001 and Up
• Document Number: 950106-00075E
• Year: 2010
• Language: English
• File Format: PDF
• Page Count: 810 pages

Chapters Covered

• Safety — Track Excavator Safety (SP002025): safety precautions, applicable models, general safety essentials, location of safety labels, lifting precautions, unauthorized modifications, general hazard information, before starting engine, machine operation, maintenance, battery, towing, shipping and transportation, lifting with sling.
• Specifications — Specification for DX300LCA (SP002026): general description, component locations, general dimensions, working range, general specifications, engine performance curves, approximate weight of workload materials, performance tests, excavator performance standards, travel speed and travel motor balance tests, swing speed and deceleration force test, cylinder performance tests.
• General Maintenance — General Maintenance Procedures (SP000016), Standard Torques (SP000813): hydraulic system general precautions, maintenance service and repair procedure, hydraulic system cleanliness and oil leaks, bearing inspection, torque values for standard metric and U.S. fasteners, type 8 phosphate coated hardware, torque values for hose clamps and split flanges, torque wrench extension tools.
• Upper Structure — Cabin (SP001737), Counterweight (SP001748), Fuel Tank (SP002027), Fuel Transfer Pump (SP000021), Swing Bearing (SP001856), Swing Reduction Gear (SP002028): removal and installation procedures, disassembly and reassembly, cleaning and inspection, wear limits and tolerances, start-up procedures.
• Lower Structure and Chassis — Track Assembly (SP001741): track tension, cleaning and inspection, wear limits and tolerances for track shoe, lower roller, upper roller, front idler, track shoes and links, track removal and installation, front idler roller, lower roller, upper roller, track spring and track adjusting cylinder.
• Engine and Drive Train — Drive Coupling / Main Pump (SP002029): drive coupling installation, special tools, installation procedure.
• Hydraulics — Hydraulic System Troubleshooting, Testing and Adjustment (SP001751), Accumulator (SP000028), Center Joint / Swivel (SP001620), Cylinders (SP000030), Swing Motor (SP000031), Travel Motor (SP000032), Travel Reduction Gear (SP000071), Axial Piston Pump (SP000068), Gear Pump (SP000033), Main Control Valve (SP000034), Remote Control Valve / Joystick (SP000069), Travel Control Valve with Damper (SP001743), Solenoid Valve Assembly (SP001622), Breaker EPPR Valve (SP000192), Hydraulic Schematic DX300LC/DX300LCA (SP001752): operation of working components, procedural troubleshooting, pilot pressure adjustment and testing, power mode valve adjustments, pressure up valve checks, pump input power control, flow meter installation and testing, swing system troubleshooting, control valve troubleshooting, travel control valve, joystick control valve, relief valve maintenance, start-up procedures.
• Electrical System — Electrical System (SP002030), Electrical Schematic DX300LCA (SP002031): electrical supply system, engine starting circuit, engine preheating system, engine stop, charging system, monitoring system, warning and indicator lights, mode selector switch, graphic information area display, main menu, special menu, electronic hydraulic control system (e-EPOS), power mode control, engine control system, engine control motor, engine control dial, automatic deceleration control, engine overheat protection system, power boost mode, automatic travel speed control, self-diagnostic function, air conditioner system, troubleshooting, wiper system, lighting system, overload warning device, audio controller.
• Attachments — Boom and Arm (SP001851), Bucket (SP001852): front attachment pin specifications, removal and installation procedures, start-up procedures, bucket tooth inspection and replacement, bucket O-ring replacement, bucket shimming procedures, bucket attachment, removal and reversal.

This Doosan DX300LCA shop manual is not a generic overview — it is a full workshop-level document that walks through every major system on the machine. The hydraulics section alone covers the main control valve, swing motor, travel motor, axial piston pump, gear pump, cylinders, center joint, accumulator, remote control valve, travel control valve, solenoid valve assembly, and breaker EPPR valve with complete disassembly, inspection, and reassembly steps. The electrical section includes the full e-EPOS electronic control system, engine control circuits, monitoring system, air conditioner diagnostics, and wiper and lighting circuits. The upper structure and lower structure sections provide step-by-step removal and installation for the cabin, counterweight, fuel tank, swing bearing, swing reduction gear, and complete track assembly including rollers, idlers, and track tension adjustment. The specification section gives general dimensions, working range diagrams, engine performance curves, hydraulic pressures, actuator speeds, torque values, and wear limits that a technician needs to make accurate adjustments and determine whether components are within serviceable tolerances.

Whether you are performing routine maintenance, diagnosing a hydraulic fault, rebuilding a travel motor, troubleshooting an electrical problem, removing the boom and arm, replacing a swing bearing, or setting track tension, this manual provides the procedures and specifications to do the job correctly. It covers serial number 5001 and up, and includes the Standard Torques section with metric and U.S. fastener torque charts, hose clamp torques, split flange torques, and torque wrench extension formulas that apply across the machine.

What This Manual Enables You To Do

• Diagnose and troubleshoot hydraulic system faults using the systematic testing and adjustment procedures
• Remove, disassemble, inspect, and reassemble the swing motor, travel motor, main control valve, and hydraulic pumps
• Service the swing reduction gear and travel reduction gear with correct torque values and wear limits
• Test and adjust pilot pressure, main relief pressure, power mode valve current and pressure, and pressure up valve settings
• Rebuild hydraulic cylinders with correct seal installation and piston nut torque
• Service the track assembly including track tension adjustment, front idler, lower rollers, upper rollers, and track spring
• Troubleshoot the electrical system using the e-EPOS self-diagnostic function, wiring diagrams, and component test values
• Service the air conditioning system including refrigerant recovery, evacuation, charging, and leak detection
• Remove and install the boom, arm, and bucket with correct pin specifications and shimming procedures
• Locate and use the correct torque values for metric and U.S. fasteners, hose clamps, and split flanges

Having the correct procedures and specifications matters because the DX300LCA is a complex machine with precise hydraulic and electrical systems. Guessing at pressures, torques, or clearances can lead to component failure, poor performance, or unsafe operation. This manual gives you the factory-developed procedures and tolerance limits so you can work confidently and efficiently.

Instant PDF Delivery

This Doosan DX300LCA Shop Manual PDF is delivered instantly after payment — no shipping, no waiting. You can download it to any device, view it on a computer, tablet, or smartphone, and print the pages you need for the job. The PDF format makes it easy to search for specific sections, keep in your workshop, and reference whenever you need it. Whether you are a professional heavy equipment mechanic, a fleet maintenance manager, or an owner-operator who prefers to do your own repairs, this manual is an essential reference for keeping your DX300LCA excavator running at its best.