Doosan DX140LC User manual

Copyright Doosan 2007K1030026E Operation and Maintenance Manual
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.
Operation and Maintenance Manual
K1030026E
Serial Number 5001 and Up
March 2007
DX140LC

K1030026E
I
Table of Contents
Table of Contents
Safety..........................................................................................1-1
To the Operator of a DOOSAN Excavator ........................................ 1-1
Location of Safety Labels................................................................... 1-5
Summary of Safety Precautions for Lifting in Digging Mode............ 1-14
Unauthorized Modifications.............................................................. 1-15
General Hazard Information............................................................. 1-15
Before Starting Engine..................................................................... 1-24
Machine Operation........................................................................... 1-28
Maintenance .................................................................................... 1-35
Battery.............................................................................................. 1-44
Towing ............................................................................................. 1-46
Shipping and Transportation............................................................ 1-47
Excavator Rated Lift Capacity Tables.............................................. 1-48
Operating Controls ....................................................................2-1
Component Locations........................................................................ 2-4
Operator's Area.................................................................................. 2-6
Operational Controls and Panels....................................................... 2-8
Instrument Panel.............................................................................. 2-24
Multifunction Gauge and Graphic Information ................................. 2-31
Mode Selector Buttons..................................................................... 2-36
Setting Main Menu........................................................................... 2-38
Flow Control..................................................................................... 2-47
Operation Selection Display............................................................. 2-49
Heater and Air Conditioner Control Panel........................................ 2-51
Stereo .............................................................................................. 2-57
Miscellaneous Electrical Devices..................................................... 2-59
Seat Adjustment............................................................................... 2-61

K1030026E
II
Table of Contents
Ceiling Cover ................................................................................... 2-65
Front Windows................................................................................. 2-66
Door Side Latch ............................................................................... 2-68
Cabin Storage Compartments ......................................................... 2-69
Ashtray............................................................................................. 2-69
Sun Visor ......................................................................................... 2-70
Hanger ............................................................................................. 2-70
Cup Holder....................................................................................... 2-71
Door Window Holder........................................................................ 2-71
Emergency Glass Breaking Tool ..................................................... 2-71
Miscellaneous Access Covers and Doors........................................ 2-72
Operation....................................................................................3-1
To Handle a New Excavator .............................................................. 3-1
Starting and Stopping the Engine ...................................................... 3-2
Safety Lever..................................................................................... 3-13
Travel............................................................................................... 3-14
Operating Instructions...................................................................... 3-20
Operating Precautions ..................................................................... 3-27
Parking Excavator............................................................................ 3-32
Towing Procedure............................................................................ 3-33
Hydraulic Breaker ............................................................................ 3-34
Adjusting the Pump Flow ................................................................. 3-39
Operating Techniques...................................................................... 3-42
Operation Under Unusual Conditions .............................................. 3-44
Inspection, Maintenance and Adjustment...............................4-1
Preventive Maintenance .................................................................... 4-1
Preliminary Work Machine Setup for Maintenance............................ 4-4
Table of Recommended Lubricants................................................... 4-6
Fluid Capacities ................................................................................. 4-8
Lubrication and Service Chart............................................................ 4-8
Maintenance Intervals...................................................................... 4-12

K1030026E
III
Table of Contents
10 Hour / Daily Service .................................................................... 4-14
50 Hour / Weekly Service ................................................................ 4-26
250 Hour / Monthly Service.............................................................. 4-29
500 Hour / 3 Month Service ............................................................. 4-36
1,000 Hour / 6 Month Service .......................................................... 4-45
2,000 Hour / Yearly Service............................................................. 4-52
4,000 Hour / Biennial Service .......................................................... 4-58
12,000 Hour / Six Year Service........................................................ 4-59
Air-Conditioning System .................................................................. 4-60
Bolt and Nut Inspection.................................................................... 4-61
Bucket .............................................................................................. 4-69
Electrical System ............................................................................. 4-72
Engine Cooling System.................................................................... 4-76
Fuel Transfer Pump (Optional) ........................................................ 4-78
Handling of Accumulator.................................................................. 4-81
Track Tension .................................................................................. 4-82
Venting and Priming Hydraulic System............................................ 4-84
Long Term Storage.......................................................................... 4-86
Maintenance in Special Conditions.................................................. 4-87
Transportation ...........................................................................5-1
Loading and Unloading...................................................................... 5-1
Lifting With Sling ................................................................................ 5-5
Troubleshooting ........................................................................6-1
Electrical System ............................................................................... 6-1
Engine................................................................................................ 6-2
Hydraulic System............................................................................... 6-3
Swing System .................................................................................... 6-4
Travel System.................................................................................... 6-5
Specification ..............................................................................7-1
Standard Specification....................................................................... 7-1