Doosan DX140W-5 DX160W-5 EXCAVATOR Service Repair Manual

Doosan DX160W-5 EXCAVATOR Service Repair Manual

Doosan DX140W-5 DX160W-5 EXCAVATOR Service Repair Manual

Doosan DX140W-5 Instructions are necessary before operating or servicing the machine. Read and understand the Operation & Maintenance Manual and signs (decals) on the machine. Follow warnings and instructions in the manuals when making repairs, adjustments, or services. Check for correct function after adjustments repairs or service. Untrained operators and failure to follow instructions can cause death or serious injury.

GENERAL

Safe Operation is Operator’s Responsibility Only trained and authorized personnel should operate and
maintain the machine.

Follow all safety rules, regulations and instructions when operating or performing maintenance on machine.
• Do not operate machine if you are under the influence of drugs or alcohol. An operator who is taking prescription drugs must get medical advice to determine if he or she can safely operate a machine.

• When working with other personnel on a worksite, be sure that all personnel knows the nature of work and understand all hand signals that are to be used.

Doosan DX140W-5 DX160W-5 EXCAVATOR Service Repair Manual
Doosan DX140W-5 DX160W-5 EXCAVATOR Service Repair Manual
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Doosan DX140W-5 DX160W-5 EXCAVATOR Service Repair Manual

Table of Contents

1 Safety 1 Wheel Excavator Maintenance Safety
2 Specifications 1 Specifications
3 General Maintenance
2 Standard Torques
4 Engine 1 Engine
5 Upper Structure 1 Cabin
2 Counterweight
3 Hydraulic Oil Tank
4 Fuel Tank
5 Main Pump
6 Drive Coupling (Main Pump)
7 Main Control Valve
8 Swing Device
9 Joystick Valve (Work Lever)
10 Gear Pump (Brake and Steering)
11 Brake System
12 Brake Filter
13 Brake Supply Valve
14 Brake Pedal Valve
15 Accelerator Pedal Valve
16 Accumulator (Brake and Pilot)
17 Steering System
18 Steering Valve
19 Priority Valve
20 Dozer Joystick Valve
21 Solenoid Valve (4 Functions)
22 Solenoid Valve (4 Functions)
23 Gear Pump (Rotating)
24 One Spool Valve (Rotating)
6 Lower Structure and Chassis 1 Swing Bearing
2 Front Axle
3 Rear Axle
4 Center Joint
5 Travel Motor
6 Driveshaft
7 Transmission
7 Front 1 Boom and Arm
2 Bucket
3 Cylinders
8 Hydraulic System 1 Hydraulic System
2 Hydraulic System Testing and Adjustment
9 Electrical System 1 Electrical System
10 Options 1 One Way
2 Two-way
3 Rotating
4 Quick Coupler
5 Two Pump
11 Schematic 1 Hydraulic Schematic/Electrical Schematic

Doosan DX140W-5 DX160W-5 EXCAVATOR Service Repair Manual