Daewoo Doosan DX140W / DX160W Wheel Excavator Workshop Service Repair Manual

This is a complete Service Shop Repair Manual for DAEWOO DOOSAN EXCAVATOR DX 140W/DX160W. This manual contains profound information about maintaining, assembly, disassembly and servicing your DAEWOO DOOSAN EXCAVATOR. 

The Daewoo Doosan DX140W Service Manual Excavators are known for their efficiency and durability in various construction and excavation tasks. This comprehensive guide to the service repair manual ensures that you can maintain and repair these excavators effectively, keeping them in optimal condition.

Overview of Daewoo Doosan DX140W and DX160W Wheel Excavators

Key Features of Daewoo Doosan DX140W Service Manual

The DX140W Wheel Excavator is designed for versatility and performance. It features a powerful engine, advanced hydraulics, and ergonomic controls, making it suitable for a range of applications.

Key Features of DX160W Wheel Excavator

The DX160W offers similar capabilities with additional power and functionality. It is ideal for more demanding tasks, providing enhanced performance and reliability.

Essential Components and Systems

Engine System

The engine is the heart of the Daewoo Doosan DX140W and DX160W Wheel Excavators. Proper maintenance of the engine system is crucial for optimal performance.

Engine Maintenance Tips

• Regular Oil Changes: Follow the recommended oil change intervals to ensure the engine runs smoothly.
• Fuel System Care: Use clean fuel and regularly inspect the fuel filter to prevent blockages.
• Cooling System Checks: Maintain radiator and coolant levels to avoid overheating.

Hydraulic System

The hydraulic system powers various attachments and implements. Proper maintenance of the hydraulic fluid and inspection of hoses and connections are vital to prevent failures.

Hydraulic System Maintenance Tips

• Fluid Checks: Ensure hydraulic fluid levels are within the recommended range.
• Inspect Hoses and Connections: Regularly check for leaks and wear, replacing components as needed.

Electrical System

The electrical system in the DX140W and DX160W controls many critical functions. Regular inspection and maintenance of electrical components ensure reliable operation.

Electrical System Maintenance Tips

• Battery Checks: Regularly inspect and clean battery terminals to ensure proper connections.
• Inspect Wiring: Look for signs of wear or damage in wiring and replace as necessary.

Routine Maintenance Procedures

Daily Checks

Performing daily checks can prevent minor issues from escalating into major problems. Key areas to inspect include fluid levels, tire pressure, and general machine cleanliness.

Daily Maintenance Checklist

• Check Fluid Levels: Engine oil, hydraulic fluid, and coolant.
• Inspect Tires: Ensure proper inflation and check for signs of wear.
• Clean Machine: Remove debris and dirt to prevent component damage.

Weekly and Monthly Maintenance

In addition to daily checks, weekly and monthly maintenance tasks ensure the longevity of your excavator.

Weekly Maintenance Tasks

• Lubricate Moving Parts: Apply grease to all moving parts to reduce friction and wear.
• Inspect Battery: Check battery terminals and clean if necessary.

Monthly Maintenance Tasks

• Detailed Inspection: Conduct a thorough inspection of all major systems.
• Replace Filters: Change air and fuel filters to ensure clean operation.

Troubleshooting Common Issues

Engine Troubleshooting

Common engine issues can include hard starting, loss of power, and unusual noises. This section provides solutions to these problems.

Common Engine Problems and Solutions

• Hard Starting: Check the battery, fuel system, and glow plugs.
• Loss of Power: Inspect the air filter, fuel filter, and engine compression.
• Unusual Noises: Listen for knocking or grinding sounds and investigate potential causes.

Hydraulic System Troubleshooting

Hydraulic system failures can impact the functionality of attachments. Identifying leaks and pressure issues is crucial.

Common Hydraulic Problems and Solutions

• Leaking Hoses: Replace damaged hoses and tighten connections.
• Low Hydraulic Pressure: Check the fluid level and inspect the pump.

Electrical System Troubleshooting

Electrical issues can cause a range of issues in your excavator. Proper diagnosis is essential for effective repair.

Common Electrical Problems and Solutions

• Battery Issues: Ensure the battery is charged and connections are clean.
• Wiring Problems: Inspect wiring for damage and replace as needed.

Daewoo Doosan DX140W Service Manual – DX160W

Doosan manual includes the following serial numbers : Doosan Dx420lc Daewoo Excavator Workshop Service Repair Manual.
Serial Number 5001 and up.

Contents as follows :
SAFETY
DATA
GENERAL MAINTENANCE
SUPERSTRUCTURE
LOWER STRUCTURE AND CHASSIS
Engine and Powertrain
HYDRAULIC
ELECTRICAL
ATTACHMENTS
Electrical schematic
Hydraulic schematic

Model Specification: DOOSAN DX140W / DX160W WHEEL EXCAVATOR
Publication number: K1024899E
Serial Number: 5001 and Up
Language: English
File Format: PDF
Total Pages: 1180
Requirements: Adobe PDF Reader
ZOOM IN/OUT: YES
Downloadable: YES
Compatible: All Versions of Windows & Mac

Doosan This manual contains information and data for this model. HAS INFO IS REAL PHOTO diagrams and illustrations and schemes, which give you complete step by step WHEN repair, maintenance, technical maintenance and troubleshooting procedures for your machine. THIS GUIDE OFFERS YOU full information for repair your machine. IN THIS MANUAL allows you to find trouble and to understand how to repair and maintain your machine without the service.

Daewoo Doosan Dx140w Dx160w Wheel Excavator Operation And Maintenance Manual Instant Download