Doosan DX225LC-3 Manual

Operation &
Maintenance
Manual
DX225LC-3
Serial Number 1001 and Up
Serial Number 50001 and Up (Europe Only)
950106-00365ANA-1
January 2015
Excavator

Copyright Doosan 2011 Operation and Maintenance Manual
Operation & Maintenance Manual
DX225LC-3 Excavator
Serial Number 1001 and Up
Serial Number 50001 and Up (Europe Only)
950106-00365ANA-1
January 2015
Copyright DOOSAN 2015
DOOSAN and the DOOSAN logo are registered
trademarks of DOOSAN Corporation in the United
States and various other countries around the
world.

Table of Contents
I
DX225LC-3
Table of Contents
Foreword ....................................................................................0-1
AEM Safety Manual (North America Only) ........................................0-4
Federal Emission Control Systems....................................................0-5
Safety..........................................................................................1-1
Safety Decals.....................................................................................1-2
General............................................................................................ 1-16
Transportation.................................................................................. 1-29
Operation.........................................................................................1-31
Maintenance ....................................................................................1-48
Environment and Circumstances.....................................................1-64
Operating Controls....................................................................2-1
Component Locations........................................................................2-2
Operator's Area..................................................................................2-4
Operational Controls and Panels.......................................................2-6
Display Monitor................................................................................2-24
User Menu .......................................................................................2-43
Heater and Air Conditioner Control Panel........................................2-74
Stereo ..............................................................................................2-80
Miscellaneous Electrical Devices.....................................................2-81
Seat Adjustment...............................................................................2-83
Ceiling Cover ...................................................................................2-87
Front Windows.................................................................................2-88
Door Side Latch...............................................................................2-90
Cabin Storage Compartments .........................................................2-91
Sunglass Case.................................................................................2-91

DX225LC-3Table of Contents
II
Sun Visor .........................................................................................2-92
Hanger............................................................................................. 2-93
Cup Holder.......................................................................................2-93
Emergency Exit Glass Breaking Tool ..............................................2-93
Miscellaneous Access Covers and Doors........................................2-94
Air Gun and Compressor (Optional) ...............................................2-95
Operation....................................................................................3-1
To Operate a New Excavator.............................................................3-1
Starting and Stopping Engine............................................................3-2
Safety Lever.....................................................................................3-16
Travel...............................................................................................3-17
Operating Instructions...................................................................... 3-23
Operating Precautions.....................................................................3-42
Parking Excavator............................................................................3-50
Towing Procedure............................................................................3-51
Attachments.....................................................................................3-52
Hydraulic Attachments (Optional).................................................... 3-55
Lifting Objects..................................................................................3-67
Operation Under Abnormal Conditions............................................3-69
Long Term Storage..........................................................................3-77
Inspection, Maintenance and Adjustment...............................4-1
Maintenance Information ...................................................................4-1
Machine Setup Position for Maintenance ..........................................4-5
Maintenance Handling Access...........................................................4-7
Handling Oil, Fuel, Coolant................................................................4-8
Electrical System Maintenance........................................................4-13
Recommend Fuel, Coolant, and Lubricant ......................................4-14
Fluid Capacities ............................................................................... 4-18
Table of Recommended Lubricants.................................................4-19
Maintenance Intervals......................................................................4-21

Table of Contents
III
DX225LC-3
10 Hour / Daily Service....................................................................4-24
50 Hour / Weekly Service ................................................................4-36
250 Hour / Monthly Service..............................................................4-40
500 Hour / 3 Month Service.............................................................4-46
1,000 Hour / 6 Month Service..........................................................4-57
2,000 Hour / Yearly Service.............................................................4-66
4,000 Hour / Biennial Service ..........................................................4-73
4,500 Hour / Biennial Service ..........................................................4-74
12,000 Hour / 6 Year Service...........................................................4-75
Air-conditioning System...................................................................4-76
Bolt and Nut Inspection....................................................................4-77
Bucket..............................................................................................4-86
Electrical System .............................................................................4-88
Engine Cooling System....................................................................4-92
Fuel Transfer Pump (Optional) ........................................................4-96
Handling of Accumulator..................................................................4-99
Track Tension................................................................................4-100
Venting and Priming Hydraulic System..........................................4-102
Maintenance in Special Conditions................................................4-104
Transportation ...........................................................................5-1
Loading and Unloading......................................................................5-1
Lifting Machine...................................................................................5-8
Troubleshooting ........................................................................6-1
Electrical System ...............................................................................6-1
Engine................................................................................................6-2
Turbocharger .....................................................................................6-6
Cooling Fan........................................................................................6-7
Lubrication System ............................................................................6-7
Hydraulic System...............................................................................6-8
Air Compressor (Optional)................................................................. 6-9

DX225LC-3Table of Contents
IV
Swing System.................................................................................. 6-10
Travel System..................................................................................6-10
Specification ..............................................................................7-1
Standard Specification.......................................................................7-1
Overall Dimensions............................................................................7-2
Disassembled Parts, Dimension and Weight.....................................7-4
Ground Pressure................................................................................7-6
Digging Force..................................................................................... 7-7
Working Range.................................................................................. 7-8
Excavator Rated Lift Capacity Tables..............................................7-10
Approximate Weight of Workload Materials.....................................7-30
Index ...........................................................................................8-1

Foreword
0-1
DX225LC-3
Foreword
This Operation and Maintenance Manual was written to give
owner or operator instructions on safe operation and
maintenance of DOOSAN equipment. READ AND
UNDERSTAND THIS OPERATION AND MAINTENANCE
MANUAL BEFORE OPERATING YOUR DOOSAN
EQUIPMENT. Keep this manual in the cabin so it is always
available. If it is lost, order another one from your DOOSAN
distributor.
If there are any questions, contact your DOOSAN distributor.
This manual may illustrate options and accessories not installed
on your equipment.
Any modification made without written authorization or approval
from DOOSAN can create a safety hazard.
Always replace parts with genuine DOOSAN parts or DOOSAN
authorized replacement parts.
Intended Use
The machine is intended to be used under normal conditions for
applications described in this manual. If it is used for other
purposes, or in potentially hazardous environments, special
precautions must be followed and the machine must be
equipped for such use. Examples include, but are not limited to,
are: falling object guards, work lights, etc. Do not engage in
prohibited uses as described in this manual. Contact your
DOOSAN distributor for further information.
Engine and Emission Control System
Maintenance
Proper inspection, maintenance and repair is essential to
keeping engine and machine systems properly operating. This
includes proper inspection and maintenance of the machine's
emission control system. This could include machine and engine
components, such as an EGR (Exhaust Gas Recirculation)
system, fuel system, turbocharger, electrical system, air intake
system and/or cooling system.
As a heavy-duty off-road diesel engine owner, you are
responsible for performing required maintenance. The required
maintenance procedures are outlined in this Operation and
Maintenance Manual, or Shop Manual. Do not remove, alter, or
render inoperative, any emission control system.

DX225LC-3Foreword
0-2
Machine Capacity
Do not exceed machine capacity by modifying machine or using
unapproved attachments.
Exceeding machine capacity can adversely affect machine
performance characteristics such as: stability, system
certifications such as brakes and steering, the Rollover
Protective Structure (ROPS) and can result in death or serious
injury. Contact your DOOSAN distributor for further information.
Product Identification Number (PIN)
A PIN number is stamped on upper frame under boom foot
(Figure 1). It is also stamped on a product identification plate
(Figure 2) on outside of cabin on right-hand side.
NOTE: Record these numbers and their locations. These will
be required whenever warranty or service work is
requested. Keep these numbers on file in case
machine is stolen.
FG018597
Figure 1
EX1300482
Doosan Infracore Co., Ltd.
7-11, Hwasu-dong, Dong-gu,
Incheon, Korea
PRODUCT IDENTIFICATION NUMBER
⣆㔲#⎇ᵮ#ᴲ㛢
MADE IN KOREA
⣆㔲ᬯ
MODEL
950209-02977
Figure 2