Complete workshop & service manual with electrical wiring diagrams for Doosan DX340LC Crawler Excavator. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

This Doosan DX340LC Crawler Excavator service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

“K1009684E.pdf” Doosan DX340LC Crawler Excavator Shop Manual K1009684E; Serial Number 5001 and Up; 840 pages
K1009683E - DX340LC Operation & Maintenance Manual.pdf
DX340 Hydraulic Schematics.pdf
DX340 Electrical Schematics.pdf

TABLE OF CONTENTS
Safety
Track Excavator Safety.................................. SP000014
Specifications
Specification for DX340LC............................. SP000244
General Maintenance
General Maintenance Procedures................. SP000016
Standard Torques.......................................... SP000017
Upper Structure
Cabin ...................... SP000018
Counterweight................................................ SP000019
Fuel Tank................ SP000277
Swing Bearing................................................ SP000022
Swing Reduction Gear................................... SP000249
Lower Structure and Chassis
Track Assembly ............................................. SP000024
Air Conditioner ............................................... SP000025
Engine and Drive Train
Drive Coupling (Main Pump).......................... SP000026
Hydraulics
Hydraulic System Troubleshooting, Testing and Adjustment ............... SP000276
Accumulator................................................... SP000028
Center Joint (Swivel)...................................... SP000181
Cylinders................. SP000030
Swing Motor................................................... SP000261
Travel Motor................................................... SP000253
Main Pump.............. SP000278
Gear Pump ............. SP000260
Main Control Valve ........................................ SP000034
Remote Control Valve (Work Lever / Joystick) ........................... SP000069
Travel Control Valve (With Damper).............. SP000070
Breaker EPPR Valve (Opt) ............................ SP000192
Hydraulic Schematic (DX340LC)................... SP000259
Electrical System
Electrical System ........................................... SP000038
Electrical Schematic (DX300LC/340LC)..................................... SP000039
Attachments
Boom and Arm............................................... SP000040
Bucket..................... SP000041
…

EXCERPT:
INSTALLATION OF DRIVE
COUPLING
Always follow the following installation procedure when installing the drive coupling in the main pump.
NOTE: Noncompliance with the procedure may cause noise or shortening of life of the drive coupling or the main pump.
Installation Procedure
1. Assemble the flange of the coupling (1, Figure 3) in the engine flywheel with bolts (2, Figure 3).
NOTE: Apply lock tight to bolts (2).
NOTE: Set the flange that the label saying "2 mounted long side" faces the pump.
2. Assemble it until it is put to the end of pump axle of the clamping hub (3, Figure 3).
3. Tighten the socket bolt (4, Figure 3).
NOTE: Tightening torque = 21.4kg•m
4. Assemble the pump cover to the fly wheel housing.
5. Assemble the pump.
…