Complete workshop & service manual with electrical wiring diagrams for Doosan DL420 Wheel Loader. It's the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.

This Doosan DL420 Wheel Loader service & repair manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.

“950106-00009E.pdf.pdf”
Doosan DL420 Wheel Loader Shop Manual
950106-00009E; Serial Number 5001 and Up; 1,098 pages

TABLE 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
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
…

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EXCERPT:
Install
If the needle bearing was removed, use bearing installation tool, Part Number 3824117, to install a new needle bearing in the gear housing.
The bearing must be installed with the part number side of the bearing against the installation tool to prevent damage to the bearing during the installation.
Install the bearing from the front side of the gear housing until the bearing is flush with the front edge of the housing bore.
…