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Doosan DX27Z User Manual

Doosan DX27Z
207 pages
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Copyright Doosan 2006K1028289E Operation and Maintenance Manual
DOOSAN reserves the right to improve its products continuously, delivering the best possible product to
the marketplace. These improvements can be implemented at any time with no obligation to change
materials previously sold. It is recommended that consumers periodically contact their distributors for most
recent documentation on purchased equipment.
This documentation may include attachments and optional equipment 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.
Operation and Maintenance Manual
K1028289E
Serial Number 5001 and Up
December 2006
DX27Z

Table of Contents

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Doosan DX27Z Specifications

General IconGeneral
Operating Weight2, 700 kg
Bucket Capacity0.08 m³
Engine Power18.4 kW
Transport Width1, 550 mm
Travel Speed4.5 km/h

Summary

Safety

TO THE OPERATOR OF A EXCAVATOR

General safety advice and overview of safety information sections.

Location of Safety Labels

Information on the placement and importance of safety labels on the machine.

General Hazard Information

Details on safety rules, features, and general hazards associated with the machine.

Before Starting Engine

Precautions and checks to perform before starting the engine.

Avoid High-voltage Cables

Critical safety warnings and procedures for operating near high-voltage electrical lines.

BATTERY

Detailed safety precautions for handling batteries due to acid and explosive gas hazards.

Operating Controls

Component Locations

Diagram and list identifying the location of various machine components.

Operator's Area

Overview of the operator's station and its various controls and features.

Instrument Panel

Explanation of the gauges and warning lights on the instrument panel.

Seat Belt

Importance and proper use of the seat belt for operator safety.

Operation

TO HANDLE A NEW EXCAVATOR

Initial break-in period procedures for new excavators to prevent damage.

STARTING AND STOPPING THE ENGINE

Steps and precautions for starting and stopping the excavator engine safely.

SAFETY LEVER

Detailed explanation and safety precautions for operating the safety lever.

TRAVEL

Safety guidelines and procedures for traveling with the excavator.

OPERATING TECHNIQUES

Techniques for performing safe operations like lifting and using controls.

OPERATION UNDER UNUSUAL CONDITIONS

Precautions for operating the machine in extreme weather or environmental conditions.

Inspection, Maintenance and Adjustment

PREVENTIVE MAINTENANCE

Importance and overview of routine maintenance for optimal machine condition.

TABLE OF RECOMMENDED LUBRICANTS

Table listing recommended lubricants for various components based on ambient temperature.

MAINTENANCE INTERVALS

Comprehensive list of maintenance intervals and corresponding service items.

BOLT AND NUT INSPECTION

Procedure for inspecting and tightening bolts and nuts.

ELECTRICAL SYSTEM

Information and safety warnings related to the battery and electrical system.

ENGINE COOLING SYSTEM

Information and procedures for maintaining the engine cooling system.

TRACK TENSION

Safety warnings and inspection procedures for track tension.

VENTING AND PRIMING HYDRAULIC SYSTEM

Procedures for venting air from and priming the hydraulic system.

Troubleshooting

CONTROL VALVE

Troubleshooting guide for control valve problems.

HYDRAULIC MOTOR

Troubleshooting guide for hydraulic motor issues.

TRAVEL

Troubleshooting guide for travel system issues.

Specification

STANDARD SPECIFICATION

Table detailing the standard specifications of the excavator.

OVERALL DIMENSIONS

Diagrams and measurements of the excavator's overall dimensions.

WORKING RANGE

Diagrams and data illustrating the excavator's working range.

APPROXIMATE WEIGHT OF WORKLOAD MATERIALS

Table of approximate weights for various workload materials.

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