Doosan DX340LC-3 DX350LC-3 Excavator Shop Manual 950106-00225E – PDF DOWNLOAD
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Doosan DX340LC-3 DX350LC-3 Excavator Shop Manual 950106-00225E – PDF DOWNLOAD
Serial Number 50001 and Up (Europe Only)
Description
🚜 Doosan DX340LC-3 / DX350LC-3
OFFICIAL FACTORY SHOP MANUAL
⚡ DOWNLOAD NOW
🛠️ COMPLETE SERVICE INFO
The Ultimate Service & Repair Guide for Doosan DX340LC-3 and DX350LC-3 Excavators. This
official factory shop manual contains over 1,000 pages of detailed technical information,
step-by-step procedures, hydraulic and electrical schematics, and diagnostic troubleshooting to keep your machine running at peak performance.
Covers Serial Numbers 1001 and Up & 50001 and Up (Europe Only).
🔍 WHY BUY THIS MANUAL?
✔ Save Thousands on dealer repair costs |
✔ Complete engine, hydraulic, electrical & attachment coverage |
✔ Instant PDF – no shipping delays, start repairing today!
📋
COMPLETE TABLE OF CONTENTS
- • Safety Instructions & Decals
- • Safe Operation & PPE
- • Fire, Burn & Explosion Prevention
- • Rollover Protective Structure (ROPS)
- • Transportation & Lifting
- • General Dimensions (One/Two-Piece Boom)
- • Working Range & Performance Curves
- • Engine Performance (KS-R1004)
- • Approx. Weight of Materials
- • Welding Precautions & Instructions
- • Hydraulic System Cleanliness
- • Standard Torques (Metric & U.S.)
- • Torque Wrench Extension Tools
- • Cabin & ROPS Removal/Install
- • Counterweight Removal/Install
- • Fuel Tank & Transfer Pump
- • Swing Bearing Maintenance
- • Track Assembly (Tension, Removal)
- • Track Shoes, Links & Rollers
- • Front Idler & Track Adjusting Cylinder
- • Engine Coolant Heater (Option)
- • Drive Coupling (Main Pump)
- • System Troubleshooting & Adjustment
- • Hydraulic Schematic & Operation
- • Boom/Arm/Bucket/Swing/Travel Circuits
- • Pump, Regulator & EPPRV Adjustment
- • Accumulator, Center Joint (Swivel)
- • Cylinders (Disassembly & Reassembly)
- • Swing Device (Motor & Reduction Gear)
- • Travel Device (Motor & Reduction Gear)
- • Main Pump (Axial Piston Unit)
- • Gear Pump (Option), Fan Motor, Fan Pump
- • Main Control Valve (M9-25)
- • PRV (Peak Reducing Valve)
- • Sensor Block, Remote Control Valve
- • Travel Control Valve, Solenoid Valve Ass’y
- • Breaker EPPR Valve (Option)
- • Electrical Supply & Starting Circuit
- • Monitoring System & Instrument Panel
- • Warning Lights & Multifunction Gauge
- • Graphic Display (User & Special Menus)
- • e-EPOS Electronic Hydraulic Control
- • Power Mode, Auto Deceleration, Overheat Protection
- • Air Conditioner System (Diagnosis & Repair)
- • Wiper, Lighting, Overload Warning, Audio
- • Full Electrical Schematic (2 pages)
- • Boom & Arm (Removal/Installation)
- • Bucket (Tooth Inspection, Shimming)
- • Quick Coupler Operation (Optional)
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* Compatible with Windows, Mac, iOS, Android. Print unlimited copies.
📘 Doosan DX340LC‑3 & DX350LC‑3 – Complete Factory Shop Service Manual
This is the official factory shop service manual for the
Doosan DX340LC‑3 and DX350LC‑3 crawler excavators. Produced by Doosan, this comprehensive manual
is an essential resource for professional technicians, mechanics, and equipment owners who need
accurate, in‑depth technical information for servicing, diagnosing, and repairing these heavy‑duty machines.
Designed for models with serial numbers 1001 and up (and 10001 and up for specific markets),
this PDF provides detailed instructions, specifications, and diagrams covering every major system and component.
Whether you are performing routine maintenance, troubleshooting complex hydraulic issues, or rebuilding major
assemblies, this manual delivers the factory‑authorized procedures you need.
🏆 Why Choose This Doosan Excavator Service Manual?
Working on a large excavator requires precise information. This manual is the same publication used
by Doosan dealerships, ensuring you have access to correct specifications, safety warnings, and
step‑by‑step procedures. It is a complete and authoritative guide that will help you minimize downtime
and ensure repairs are done right the first time. Invest in the knowledge required to maintain your
Doosan DX340LC‑3 or DX350LC‑3 at peak performance.
📖 Detailed Chapters & Coverage
The manual covers a vast range of topics, organized into clear sections for easy navigation. Below is a detailed
breakdown of the key chapters and their contents:
- Safety: Comprehensive safety instructions, applicable models, safety messages, decals, general operation safety, transportation, maintenance safety, environmental considerations. Includes Rollover Protective Structure (ROPS) and Operator Protection Guard (OPG) information.
- Specifications: Full specifications for DX340LC‑3 and DX350LC‑3, including general dimensions (one‑piece and two‑piece boom), working ranges, component weights, engine performance curves, and approximate weight of workload materials.
- General Maintenance: Welding precautions, hydraulic system precautions, general service procedures, hydraulic system cleanliness, and maintenance inspection. Includes detailed bearing inspection guidelines and failure analysis.
- Standard Torques: Comprehensive torque charts for standard metric and U.S. fasteners, phosphate‑coated hardware, hose clamps, ORFS swivel nuts, and split flanges. Includes torque wrench extension calculation formulas.
- Upper Structure: Covers the cabin (ROPS removal/installation), counterweight removal/installation, fuel tank, fuel transfer pump, and swing bearing maintenance and replacement.
- Lower Structure and Chassis: Detailed track assembly procedures, including track tension adjustment, cleaning and inspection of tracks, track shoes, lower/upper rollers, and front idler.
- Engine and Drivetrain: Procedures for the optional engine coolant heater and the main pump drive coupling.
- Hydraulics: In‑depth coverage of the hydraulic system, including troubleshooting, testing, and adjustment. Details operation of working components, pilot pressure, pump swash plate, EPPRV, pump pressure, and pump regulator. Includes sections on the accumulator, center joint (swivel), cylinders, swing device, travel device, main pump, optional gear pump, fan motor for oil cooler, and fan pump.
- Main Control Valve: Comprehensive functional description, PC‑control concept, parts lists, troubleshooting, disassembly, and reassembly of the M9‑25 main control block. Includes details on individual and combined operations.
- PRV (Peak Reducing Valve) & Sensor Block: Instruction and repair manuals for these critical hydraulic components, including component functions, adjustment, and disassembly/assembly.
- Remote Control & Travel Control Valves: Theory of operation, pressure reducing valve, damper mechanism, causes of faults, parts list, removal, disassembly, cleaning, and reassembly for joystick and travel controls.
- Solenoid Valve & Breaker EPPR Valve: Functions, parts lists, assembly diagrams, and troubleshooting for the 5‑solenoid valve assembly and optional breaker EPPR valve.
- Electrical System: Complete electrical system overview, including engine starting circuit, preheating, charging system, monitoring system, instrument panel, warning/indicator lights. Detailed information on Electronic Hydraulic Control System (e‑EPOS), Power Plus Mode, engine control system, auto idle, overheat protection, power boost, and automatic travel speed control. Also covers the air conditioner system, wiper, lighting, overload warning, and audio controller.
- Attachments: Section on boom and arm, including front attachment pin specifications, removal, and installation. Also covers the bucket (tooth inspection, O‑ring replacement, shimming) and quick coupler operation.
⚙️ What This Manual Enables You to Do
This professional‑grade service manual provides the information necessary to perform a wide range of tasks, from simple maintenance to complex repairs. With this guide, you can:
- Accurately diagnose and troubleshoot engine, hydraulic, and electrical system faults.
- Perform preventative maintenance according to factory schedules to extend the life of your excavator.
- Overhaul key components such as the main pump, control valve, swing and travel motors, and cylinders with confidence.
- Read and understand complex hydraulic and electrical schematics.
- Ensure all repairs and adjustments are carried out to the correct specifications and torques, maintaining safety and reliability.
- Properly adjust track tension and service the undercarriage.
- Understand the advanced electronic control systems (e‑EPOS) that optimize machine performance.
This is the authoritative resource for anyone serious about maintaining the
Doosan DX340LC‑3 and DX350LC‑3. It is a valuable investment that will pay for itself many
times over by enabling accurate repairs and reducing dependency on dealer service calls.
⚡ Instant Delivery & Compatibility
Upon purchase, you will receive an instant download link for a high‑quality, printable PDF file.
The manual is fully searchable and can be viewed on any device – computer, tablet, or smartphone.
Print specific sections and take them to your workshop for easy reference.
This is a digital product; no physical item will be shipped. The manual is a reproduction of the original factory publication and contains all the necessary information for servicing the
Doosan DX340LC‑3 and DX350LC‑3 excavators as described within the document.
IMAGES PREVIEW OF THE MANUAL:
PLEASE NOTE:
- This is the SAME exact manual used by your dealers to fix your vehicle.
- The same can be yours in the next 2-3 mins as you will be directed to the download page immediately after paying for the manual.
- Any queries / doubts regarding your purchase, please feel free to contact [email protected]
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