Operation & Maintenance Manual DX140R/DX140LCR - Excavator Serial Number 5001 and Up - September 2018

Oct 24, 2026

Operation and Maintenance Manual for the DOOSAN DX140R/DX140LCR excavator series with serial numbers 5001 and up. Provides safety guidance for the operator, including hazard information, safety decals, lifting-mode precautions, and rules against unauthorized modifications. Details machine operation through controls, instrument panels, flow control, and operating procedures, plus maintenance topics such as preventive maintenance, battery, towing, transportation, and rated lift capacity tables.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages314

Reading Time13 h 11 min

AccessFree to download

EC Declaration of Conformity

Safety

To the Operator of a DOOSAN Excavator

Safety Decals

Visibility Information

Summary of Safety Precautions for Lifting in Digging Mode

Unauthorized Modifications

General Hazard Information

Before Starting Engine

Machine Operation

Maintenance

Battery

Towing

Shipping and Transportation

Excavator Rated Lift Capacity Tables

Operating Controls

Component Locations

Operator's Area

Operational Controls and Panels

Instrument Panel

Multifunction Gauge and Graphic Information

Mode Selector Buttons

Setting Main Menu

Flow Control

Operation Selection Display

Heater and Air Conditioner Control Panel

Stereo

Miscellaneous Electrical Devices

Seat Adjustment

Ceiling Cover

Front Windows

Door Side Latch

Cabin Storage Compartments

Ashtray

Sun Visor

Hanger

Cup Holder

Emergency Glass Breaking Tool

Miscellaneous Access Covers and Doors

Operation

To Handle a New Excavator

Starting and Stopping the Engine

Safety Lever

Travel

Operating Instructions

Operating Precautions

Parking Excavator

Towing Procedure

Hydraulic Attachments (Optional)

Adjusting the Pump Flow

Lifting Objects

Operation Under Unusual Conditions

Road Liners

Inspection, Maintenance and Adjustment

Preventive Maintenance

Preliminary Work Machine Setup for Maintenance

EXCAVATOR Operation & Maintenance Manual DX140R/DX140LCR Serial Number 5001 and Up K1049550HE September 2018 Operation & Maintenance Manual DX140R/DX140LCR EXCAVATOR Serial Number 5001 and Up DOOSAN and the DOOSAN logo are registered trademarks of DOOSAN Corporation in the United States and various other countries around the world. K1049550HE September 2018 Table of Contents EC Declaration of Conformity ............................................................ 0-1 Safety ..........................................................................................1-1 To the Operator of a DOOSAN Excavator ......................................... 1-1 Safety Decals ..................................................................................... 1-4 Visibility Information ......................................................................... 1-19 Summary of Safety Precautions for Lifting in Digging Mode............ 1-21 Unauthorized Modifications.............................................................. 1-22 General Hazard Information............................................................. 1-22 Before Starting Engine ..................................................................... 1-31 Machine Operation........................................................................... 1-36 Maintenance .................................................................................... 1-45 Battery .............................................................................................. 1-54 Towing ............................................................................................. 1-56 Shipping and Transportation ............................................................ 1-57 Excavator Rated Lift Capacity Tables .............................................. 1-58 Operating Controls ....................................................................2-1 Component Locations ........................................................................ 2-2 Operator's Area .................................................................................. 2-4 Operational Controls and Panels ....................................................... 2-6 Instrument Panel .............................................................................. 2-19 Multifunction Gauge and Graphic Information ................................. 2-25 Mode Selector Buttons..................................................................... 2-31 Setting Main Menu ........................................................................... 2-33 Flow Control ..................................................................................... 2-43 Operation Selection Display............................................................. 2-45 Heater and Air Conditioner Control Panel........................................ 2-48 Stereo .............................................................................................. 2-53 DX140R/DX140LCR Table of Contents Miscellaneous Electrical Devices ..................................................... 2-54 Seat Adjustment............................................................................... 2-56 Ceiling Cover ................................................................................... 2-60 Front Windows ................................................................................. 2-61 Door Side Latch ............................................................................... 2-63 Cabin Storage Compartments ......................................................... 2-64 Ashtray ............................................................................................. 2-64 Sun Visor ......................................................................................... 2-65 Hanger .............................................................................................

FAQs

What safety topics are covered for operating the DOOSAN excavator?

The manual includes safety decals, visibility information, general hazard information, precautions before starting the engine, and guidance for machine operation, including lifting-mode safety precautions.

Which operating control areas are documented?

It covers component locations, operator’s area, operational control panels, the instrument panel and multifunction gauge, mode selector buttons, main menu settings, and flow control and display information.

What maintenance-related sections are included?

The table of contents lists preventive maintenance, battery, towing, shipping and transportation, and inspection, maintenance and adjustment topics including preliminary setup for maintenance.

Oct 24, 2026

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