Doosan DX80R Excavator Service Manual

Doosan DX80R Excavator Service Manual

$34.00

Doosan DX80R Excavator Service Manual – 864 Pages
Format: PDF
Language: English
Publication No: K1044971E
Serial Number: 50001 and Up

 

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Description

Doosan DX80R Excavator Service Manual

Doosan Excavator DX80R
Format: PDF
Language: English
Publication No: K1044971E
Serial Number: 50001 and Up

Doosan DX80R Excavator Service Manual – 864 Pages

How to Use The Doosan DX80R Excavator Guide Manual:

This manual provides information for servicing the DX80R Doosan Excavator. All service procedures are broken down into detailed steps, listed in their recommended sequence. The manual uses both photographs and drawings to help locate and itemize components. The table of Contents on the preceding pages is your best tool for finding the service procedure you need. Be certain to observe all Safety information included in these pages.

A schematic of each of the major engine systems is provided at the beginning of the section of the manual devoted to troubleshooting and repairing that particular system.

Basic safety precautions are list in the Safety section of the Doosan DX80R Excavator Service Manual. Additional safety precautions are list in the Safety section of the owner/operation/maintenance publication. Specific safety warnings for all these publications are provided in the description of operations where hazards exist. WARNING labels have also been put on the product to provide instructions and to identify specific hazards.

DOOSAN DX80R Instruction Table of Content:

Safety
Track Excavator Safety ……………………………………………………………….. SP001631
Specifications
Specification for DX80R ………………………………………………………………. SP001632
General Maintenance
General Maintenance Procedures ………………………………………………… SP000016
Standard Torques ………………………………………………………………………. SP000813
Upper Structure
Cabin ……………………………………………………………………………………….. SP001623
Swing Bearing …………………………………………………………………………… SP001633
Lower Structure and Chassis
Track Assembly …………………………………………………………………………. SP001634
Engine and Drive Train
Engine ………………………………………………………………………………………. SP001434
Drive Coupling (Main Pump) ……………………………………………………….. SP001635
Hydraulics
Accumulator ……………………………………………………………………………… SP000028
Center Joint (Swivel) …………………………………………………………………… SP001628
Cylinders …………………………………………………………………………………… SP001636
Swing Motor ………………………………………………………………………………. SP001637
Travel Motor ………………………………………………………………………………. SP001638
Main Control Valve ……………………………………………………………………… SP001691
Main Pump ………………………………………………………………………………… SP001648
Remote Control Valve (Work Lever/ Joystick) ……………………………….. SP001649
Travel Control Valve ……………………………………………………………………. SP001650
Dozer Valve ………………………………………………………………………………. SP001651
Pedal Valve ……………………………………………………………………………….. SP001652
Hydraulic Schematic …………………………………………………………………. SP001694
Electrical System
Electrical System ……………………………………………………………………….. SP001687
Electrical Schematic (DX60R/DX80R) …………………………………………… SP001688
Attachments
Boom and Arm …………………………………………………………………………… SP001653
Bucket. ……………………………………………………………………………………… SP001643

Doosan DX80R Manual Instruction Extract:

ELECTRICAL SUPPLY SYSTEM
The electric power circuit supplies electric current to each electric component. It consists of battery, starter switch fusible link and fuse box.
The negative terminal of battery is grounded to negative body.
Even when starter switch (5) is in “OFF” position, electric current is supplied to following components through battery (1) -4 fusible link (3) – 4 fuse (6).
1 . Cabin light, fuel pump switch No.5 terminal of car stereo for backup and No.22 terminal of AC panel for backup.
2. “B” terminal of starter switch, No.1 terminal of hour meter.
3. No.34 terminal of ECU (Engine control unit)
When the starter switch is in the ON and START positions, the current flows from the battery ( 1) -4 fusible link (3) -4 fuse box (6) -4 starter switch (5) “B” terminal / “BR” terminal -4 battery relay (2) -+ ‘B’ terminal which activates the coil of the battery relay and the electric supply system is energized.
When the battery relay’s contacts are connected, the current flows from the circuit breaker (4)-+ fuse box (6) and all electric devices can be operated.
While the engine is not running, the battery supplies the electric power for all electric components. Once the engine is started, the power is supplied from the alternator (7).

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