K1039661E Shop Manual
Copyright 2008 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
K1039661E
Serial Number 5001 and Up
DL450
Product Label
Instructions
Trim Out The Label Along
The Lines And Insert Into
Pocket On The Binder Spine
DL450
Serial Number 5001 and Up
Pub.No. K1039661E
Pub. No. K1039661E
Table of Contents
Page I
1Table of Contents
Safety
Wheel Loader Safety ............................................................................ SP001667
Specifications
Specification for DL450......................................................................... SP001668
General Maintenance
General Maintenance Procedures ........................................................ SP000097
Standard Torques ................................................................................. SP000813
Engine
QSM11 Engine ..................................................................................... SP001669
Drive Train
Transmission and Torque Converter (ZF 4WG-260-4) ......................... SP001670
Transmission Error Codes (ZF) ............................................................ SP000100
Axle (ZF-MT-L 3105) ............................................................................ SP001672
Drive Shaft ............................................................................................ SP001673
Brake
Service Brake ....................................................................................... SP001674
Brake Supply Valve .............................................................................. SP000121
Parking Brake ....................................................................................... SP000122
Brake Pedal Valve ................................................................................ SP000123
Accumulator .......................................................................................... SP001675
Steering
Steering Unit ......................................................................................... SP001676
Flow Amplifier ....................................................................................... SP000126
Cushion Valve....................................................................................... SP000127
Table of Contents
Page II
Emergency Steering ............................................................................. SP001677
Frame
Articulation Center ................................................................................ SP001678
Counterweight....................................................................................... SP000130
Tank
Oil Tank ................................................................................................ SP001679
Fuel Tank .............................................................................................. SP001680
Hydraulics
Main Control Valve ............................................................................... SP001681
Load Isolation System .......................................................................... SP001682
Cooling System..................................................................................... SP000154
Pilot System.......................................................................................... SP001714
Hydraulic Schematic (DL450) ............................................................... SP001683
Electrical System
Air Conditioner ...................................................................................... SP000172
Electrical System .................................................................................. SP001684
Electrical Schematic (DL450) ............................................................... SP001685
1Safety
SP001667
Page 1
Wheel Loader Safety
SP001667
WHEEL LOADER SAFETYSP001667
Wheel Loader
Safety
Edition 1
SP001667 Wheel Loader Safety
Page 2
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Description
- The Doosan DL450 Wheel Loaders Workshop Service Repair and Troubleshooting Manual is a comprehensive guide that provides detailed information on the specifications, operation principle, disassembly and reassembly, troubleshooting, maintenance standard, circuit diagram, and hydraulic schematic of the Doosan DL450 Wheel Loaders.
- This manual is a valuable resource for both professional technicians and owner-operators, offering a clear understanding of the machine's functionality and equipping them with the knowledge to effectively troubleshoot and repair any issues that may arise.
Key features of the Doosan DL450 Wheel Loaders Workshop Service Repair and Troubleshooting Manual include:
- Detailed specifications
- Comprehensive operation principle explanation
- Step-by-step disassembly and reassembly instructions
- Troubleshooting techniques
- Maintenance standards
- Clear circuit diagram
- Hydraulic schematic
Investing in this manual will save you time and money by allowing you to perform repairs and maintenance tasks on your Doosan DL450 Wheel Loaders with confidence and accuracy. Don't let machine malfunctions slow you down - empower yourself with the Doosan DL450 Wheel Loaders Workshop Service Repair and Troubleshooting Manual.
