Daewoo S290LC-V Shop Manual 2023-7113AE

Factory (Repair) Shop Manuals For (Doosan) Daewoo Solar Series Excavator. Manual includes repair and maintenance manuals, installation instructions, circuits, step by step instructions, diagnostic programs, technical specifications, service and repair instructions.
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Daewoo S290LC-V Shop Manual 2023-7113AE

Content
(may differ slightly from the actual description)

Specifications
Specifications for Solar
General Description
Component Locations
General Dimensions
Dimensions and Working Range
General Specifications
Engine Performance Curves
Approximate Weight of Workload Materials
Performance Tests
Excavator Performance Standards

General Maintenance
General Maintenance Procedures
Welding Precautions and Guidelines
Hydraulic System – General Precautions
Maintenance Service and Repair Procedure
Hydraulic System Cleanliness and Oil Leaks
Cleaning and Inspection

Standard Torques
Torque Values for Standard Metric Fasteners
Torque Values for Standard U.S. Fasteners
Type 8 Phosphate Coated Hardware
Torque Values for Hose Clamps
Torque Values for Split Flanges
Torque Wrench Extension Tools

Upper Structure
Cab
Removal
Installation
Window and Gasket Replacement
Falling Object Protective Structures (F.O.P.S.)

Counterweight
General
Removal
Installation

Fuel Tank
General Description
Removal
Installation
Start-up Procedures
Fuel Transfer Pump
General Description
Replacement of Rotor and Vane
Replacement of Rear Cover
Replacement of Amateur

Swing Bearing
Swing Bearing Maintenance

Swing Reduction Gearbox
General Description
Special Tools and Materials
Troubleshooting, Testing and Adjustment
Removal
Disassembly
Cleaning and Inspection (Wear Limits and Tolerances)
Reassembly
Installation

Lower Structure and Chassis
Track Assembly
General Description
Track Tension
Cleaning and Inspection (Wear Limits and Tolerances)
Track Shoes and Links
Front Idler Roller
Front Idler Roller
Lower Roller
Upper Roller
Upper Roller
Track Spring and Track Adjusting Cylinder
Track Spring and Track Adjusting Cylinder

Engine and Drive Train
Air-Conditioner
General Description
Refrigerant Circulation
Control Panel
Control Specifications
Temperature Level Control and Display
Air Discharge According to Path Selection
Air-conditioning System Circuit Diagram
Troubleshooting
Weight of R134a Gas Used In Machines
Refrigerant System Repairs

Drive Coupling (Main Pump)
Drive Coupling
Special Tools
Drive Coupling Installation

Hydraulics
Hydraulic System Troubleshooting, Testing and Adjustment
Hydraulic System – General Notes
Operation of Working Components
Procedural Troubleshooting Baseline Recommendations
Pilot Pressure
Power Mode Valve
Swing Priority Valve
Pressure Up Valve
Pump Input Power Control
Flow Meter and Flow Meter Kit Installation and Testing
Swing System Troubleshooting
Troubleshooting – Swing Gearbox
Troubleshooting – Hydraulic Problems
Troubleshooting – Control Valve
Troubleshooting – Travel Control Valve
Troubleshooting – Joystick Control Valve

Accumulator
General Description
Accumulator Charging

Center Joint (Swivel)
General Description
Troubleshooting, Testing and Adjustment
Disassembly
Reassembly

Cylinders
General Description
Special Tools and Materials
Disassembly
Reassembly

Swing Motor
General Description
Special Tools
Disassembly
Cleaning and Inspection
Reassembly

Travel Motor
General Description
Travel Motor Disassembly
Travel Motor Speed Reduction Gearbox Disassembly
Cleaning and Inspection (Wear Limits and Tolerances)
Travel Motor Speed Reduction Gearbox Reassembly
Travel Motor Reassembly

Main Pump
General Description
Troubleshooting, Testing and Adjustment
Disassembly
Cleaning and Inspection (Wear Limits and Tolerances)
Reassembly

Pilot Control Valve (Work Lever/Joystick)
General Description
Special Tools
Disassembly
Reassembly

Travel Control Valve (Jeil Hydraulics)
General Description
Troubleshooting, Testing and Adjustment
Disassembly
Cleaning and Inspection (Wear Limits and Tolerances)
Reassembly

Hydraulic Schematic
General Description
Solar 450LC-V Pedal Valve with Damper
Solar 450LC-V with Simplified Swing Brake
General Notes

Electrical System
Electrical System
Troubleshooting – Electrical System
Wiring Harness Illustrations
Overview
Electric Supply System
Engine Starting Circuit
Engine Preheating System
Engine Stop System
Charging System
Monitoring System
Instrument Panel
Function Check
Operation
Mode Select Switch
Pilot Lights
Initial Operation
Electronic Hydraulic Control System
Power Mode Control
Power Mode Control – Circuit Diagram
Work Mode Control
Work Mode Control – Circuit Diagram
Engine Control System
Engine Control Motor
Engine Control Dial
Engine Control Circuit Diagram
Automatic Deceleration Control (Auto Idle Control)
Engine Overheat Protection System
Power Boost Mode
Automatic Travel Speed Control
Engine Control Device – Adjustment
Self-diagnostic Function
Engine Throttle Controller

Electrical Schematic
General Description
Solar

Attachments
Boom and Arm
Front Attachment Pin Specifications
Front Attachment – Removal and Installation
Installation
Start-up Procedures

Bucket
Bucket Tooth Inspection and Replacement
Bucket O-ring Replacement
Bucket Shimming Procedures
Bucket Attachment, Removal and Reversal