DOOSAN DX420LC EXCAVATOR OPERATION AND MAINTENANCE MANUAL K1009094AE – PDF DOWNLOAD
DESCRIPTION:
DOOSAN DX420LC EXCAVATOR OPERATION AND MAINTENANCE MANUAL K1009094AE – PDF DOWNLOAD
- 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
TO THE OPERATOR OF A DOOSAN DAEWOO EXCAVATOR
- Unsafe use of the excavator could lead to serious injury or death. Operating procedures, maintenance and equipment practices or traveling or shipping methods that do not follow the safety guidelines on the following pages could cause serious, potentially fatal injuries or extensive damage to the machine or nearby property
- Please respect the importance of taking responsibility for your own safety, and that of other people who may be affected by your actions.
- The safety information on the following pages is organized into the following sections
1. “Location of Safety Labels” on page 1-5
2. “Summary of Safety Precautions for Lifting in Digging
Mode” on page 1-15
3. “Unauthorized Modifications” on page 1-16
4. “General Hazard Information” on page 1-16
5. “Before Starting Engine” on page 1-25
6. “Machine Operation” on page 1-29
7. “Maintenance” on page 1-36
8. “Battery” on page 1-45
9. “Towing” on page 1-47
10. “Shipping and Transportation” on page 1-48
11. “Excavator Rated Lift Capacity Tables” on page 1-49
- Improper operation and maintenance of this machine can be hazardous and could result in serious injury or death. Operator and maintenance personnel should read this manual thoroughly before beginning operation or maintenance. Keep this manual in the storage compartment to the rear of the operator’s seat, and have all personnel involved in working on the machine read the manual periodically. Some actions involved in operation and maintenance of the machine can cause a serious accident, if they are not done in a manner described in this manual.
- The procedures and precautions given in this manual apply only to intended uses of the machine. If you use your machine for any unintended uses that are not specifically prohibited, you must be sure that it is safe for any others. In no event should you or others engage in prohibited uses or actions as described in this manual. DOOSAN delivers machines that comply with all applicable regulations and standards of the country to which it has been sent.
- If this machine has been purchased in another country or purchased from someone in another country, it may lack certain safety devices and specifications that are necessary for use in your country. If there is any question about whether your product complies with the applicable standards and regulations of your country, consult DOOSAN or your DOOSAN distributor before operating the machine.
TABLE OF CONTENTS:
DOOSAN DX420LC EXCAVATOR OPERATION AND MAINTENANCE MANUAL K1009094AE – PDF DOWNLOAD
Safety1-1
To the Operator of a DOOSAN Excavator 1-1
Safety Decals 1-4
Visibility Information 1-17
Summary of Safety Precautions for Lifting in Digging Mode 1-19
Unauthorized Modifications 1-20
General Hazard Information 1-20
Before Starting Engine 1-29
Machine Operation 1-33
Maintenance 1-39
Battery 1-48
Towing 1-50
Shipping and Transportation 1-51
Excavator Rated Lift Capacity Tables 1-52
Operating Controls2-1
Component Locations 2-2
Operator’s Area 2-4
Operational Controls and Panels 2-6
Instrument Panel 2-20
Multifunction Gauge and Graphic Information 2-26
Mode Selector Buttons 2-32
Setting Main Menu 2-34
Flow Control 2-43
Operation Selection Display 2-45
Heater and Air Conditioner Control Panel 2-48
Stereo 2-54
Miscellaneous Electrical Devices 2-55
Seat Adjustment 2-57
Ceiling Cover 2-61
Front Windows 2-62
Door Side Latch 2-64
Cabin Storage Compartments 2-65
Ashtray 2-65
Sun Visor 2-66
Hanger 2-66
Cup Holder 2-67
Door Window Holder 2-67
Emergency Glass Breaking Tool 2-67
Miscellaneous Access Covers and Doors 2-68
Operation3-1
To Handle a New Excavator 3-1
Starting and Stopping the Engine 3-2
Safety Lever 3-13
Travel 3-14
Operating Instructions 3-20
Operating Precautions 3-26
Parking Excavator 3-31
Towing Procedure 3-32
Hydraulic Attachments (Optional) 3-33
Adjusting the Pump Flow 3-38
Lifting Objects 3-41
Operation Under Unusual Conditions 3-43
Inspection, Maintenance and Adjustment4-1
Preventive Maintenance 4-1
Preliminary Work Machine Setup for Maintenance 4-4
Table of Recommended Lubricants 4-6
Fluid Capacities 4-9
Lubrication and Service Chart 4-9
Maintenance Intervals 4-12
10 Hour / Daily Service 4-14
50 Hour / Weekly Service 4-26
250 Hour / Monthly Service 4-29
500 Hour / 3 Month Service 4-36
1,000 Hour / 6 Month Service 4-45
2,000 Hour / Yearly Service 4-54
4,000 Hour / Biennial Service 4-59
12,000 Hour / 6 Year Service 4-60
Air-Conditioning System 4-61
Bolt and Nut Inspection 4-62
Bucket 4-71
Bucket Shimming Procedures 4-73
Electrical System 4-75
Engine Cooling System 4-79
Fuel Transfer Pump (Optional) 4-83
Handling of Accumulator 4-86
Track Tension 4-87
Venting and Priming Hydraulic System 4-89
Long Term Storage 4-91
Maintenance in Special Conditions 4-93
Transportation 5-1
Loading and Unloading 5-1
Lifting Machine 5-6
Troubleshooting 6-1
Electrical System 6-1
Engine 6-2
Hydraulic System 6-3
Swing System 6-4
Travel System 6-5
Specification 7-1
Standard Specification 7-1
Overall Dimensions 7-2
Working Range 7-3
Approximate Weight of Workload Materials 7-5
Index 8-1
Publication Request for Proposed Revision9-1
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