Doosan DX300LCA User manual

950106-00075E Shop Manual
Copyright 2010 DOOSAN
DOOSAN reserves the right to improve our products in a continuing process to provide the best possible
product to the market place. These improvements can be implemented at any time with no obligation to
change materials on previously sold products. It is recommended that consumers periodically contact their
distributors for recent documentation on purchased equipment.
This documentation may include attachments and optional equipment that is not available in your
machine's package. Please call your distributor for additional items that you may require.
Illustrations used throughout this manual are used only as a representation of the actual piece of
equipment, and may vary from the actual item.
Shop Manual
950106-00075E
Serial Number 5001 and Up
DX300LCA

Product Label
Instructions
Trim Out The Label Along
The Lines And Insert Into
Pocket On The Binder Spine
DX300LCA Serial Number 5001 and Up Pub.No. 950106-00075E
Pub. No. 950106-00075E

Table of Contents
Page I
1Table of Contents
Safety
Track Excavator Safety......................................................................... SP002025
Specifications
Specification for DX300LCA ................................................................. SP002026
General Maintenance
General Maintenance Procedures........................................................ SP000016
Standard Torques................................................................................. SP000813
Upper Structure
Cabin .................................................................................................... SP001737
Counterweight....................................................................................... SP001748
Fuel Tank.............................................................................................. SP002027
Fuel Transfer Pump (Opt)..................................................................... SP000021
Swing Bearing....................................................................................... SP001856
Swing Reduction Gear.......................................................................... SP002028
Lower Structure and Chassis
Track Assembly .................................................................................... SP001741
Engine and Drive Train
Drive Coupling (Main Pump)................................................................. SP002029
Hydraulics
Hydraulic System Troubleshooting, Testing and Adjustment ............... SP001751
Accumulator.......................................................................................... SP000028
Center Joint (Swivel)............................................................................. SP001620
Cylinders............................................................................................... SP000030

Table of Contents
Page II
Swing Motor.......................................................................................... SP000031
Travel Motor.......................................................................................... SP000032
Travel Reduction Gear.......................................................................... SP000071
Axial Piston Pump................................................................................. SP000068
Gear Pump ........................................................................................... SP000033
Main Control Valve ............................................................................... SP000034
Remote Control Valve (Work Lever / Joystick)..................................... SP000069
Travel Control Valve (With Damper)..................................................... SP001743
Solenoid Valve Assembly ..................................................................... SP001622
Breaker EPPR Valve (Opt) ................................................................... SP000192
Hydraulic Schematic DX300LC/DX300LCA ......................................... SP001752
Electrical System
Electrical System .................................................................................. SP002030
Electrical Schematic DX300/340/350LC/DX300LCA............................ SP002031
Attachments
Boom and Arm...................................................................................... SP001851
Bucket................................................................................................... SP001852

1Safety

SP002025
Page 1
Track Excavator Safety
S
P002025
TRACK EXCAVATOR SAFETYSP002025
Track
Excavator
Safety
Edition 1

SP002025
Track Excavator Safety
Page 2
MEMO