950106-00009E Shop Manual
Copyright 2009 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
950106-00009E
Serial Number 5001 and Up
DL420
Product Label
Instructions
Trim Out The Label Along
The Lines And Insert Into
Pocket On The Binder Spine
DL420
Serial Number 5001 and Up
Pub.No. 950106-00009E
Pub. No. 950106-00009E
Table of Contents
Page I
1Table of Contents
Safety
Wheel Loader Safety........................................................................... SP002004
Specifications
Specification for DL420 ....................................................................... SP002005
General Maintenance
General Maintenance Procedures ...................................................... SP000097
Standard Torques ................................................................................ SP000098
Engine
QSM11 Engine..................................................................................... SP001669
Drive Train
Transmission and Torque Converter (ZF 4WG-260-4) ..................... SP002033
Transmission Error Codes (ZF) .......................................................... SP000100
Front Axle (ZF - MT-L 3105) ............................................................. SP000101
Rear Axle (ZF - MT-L 3095).............................................................. SP000107
Drive Shaft ........................................................................................... SP000119
Brake
Service Brake....................................................................................... SP002006
Brake Supply Valve ............................................................................. SP002007
Parking Brake ...................................................................................... SP000122
Brake Pedal Valve............................................................................... SP000123
Accumulator .......................................................................................... SP002008
Steering
Steering Unit ........................................................................................ SP002009
Table of Contents
Page II
Flow Amplifier ...................................................................................... SP000126
Emergency Steering ............................................................................ SP002018
Frame
Articulation Center ............................................................................... SP002010
Counterweight....................................................................................... SP000130
Tank
Oil Tank................................................................................................ SP002011
Fuel Tank ............................................................................................. SP002012
Hydraulics
Main Control Valve .............................................................................. SP000144
Load Isolation System......................................................................... SP002013
Cooling System.................................................................................... SP002014
Pilot System ......................................................................................... SP002015
Hydraulic Schematic (DL420) ............................................................. SP002016
Electrical System
Air Conditioner ..................................................................................... SP000172
Electrical System ................................................................................. SP002032
Electrical Schematic (DL420) .............................................................. SP002017
1Safety
SP002004
Page 1
Wheel Loader Safety
SP002004
WHEEL LOADER SAFETYSP002004
Wheel Loader
Safety
Edition 1
SP002004 Wheel Loader Safety
Page 2
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Doosan Daewoo DL420 Wheel Loader Service Repair Workshop Manual
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Full Search Facility
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$52.99
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What's Included?
Lifetime Access
Fast Download Speeds
Online & Offline Access
Access PDF Contents & Bookmarks
Full Search Facility
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Description
This is a highly detailed factory service repair manual for the Doosan Daewoo DL420 Wheel Loader. The manual provides step-by-step instructions and detailed illustrations, making it suitable for both do-it-yourself enthusiasts and experienced mechanics. It covers safety, specifications, general maintenance, engine, drive train, brake, steering, frame, tank, hydraulics, electrical system, and more.
The manual is compatible with all PC-based Windows operating systems and Mac, and it is available in PDF format. It is an inexpensive way to ensure the proper functioning of your vehicle.
- Model: DL420 Wheel Loader
- Serial Number: 5001 and Up
- Publication Number: 950106-00009E
File Format: PDF
Compatible: All Versions of Windows & Mac
Language: English
Requirements: Adobe Reader & Win
There is no waiting time involved. Purchase from a responsible seller and get instant access to the manual. All pages are printable, providing great convenience for users.
