Description
Doosan Daewoo Solar 220LC-3 Excavator Shop Manual (Serial Number 1039 and Up)
Doosan Daewoo Solar 220LC-3 Excavator Index:
TO the Operator Of a Daewoo Excavator
General Safety Essentials
Locations of Safety Labels
Summary of Work-site and SafeW Precautions
Operation
Equipment
Maintenance
Shipping and Transportation .
Excavator Rated Lifi CapaciW Tables
SPECIFICATIONS
Excavator Machinery Plan
Excavator Engine Specifications
Engine Performance Curves (per KS-R1004 Standard)
Hydraulic System Cornponent Specifications
Hydraulic Pump Pedormance Characteristics
General Dimensions .
General Specifications
Working Range Diagram
Excavator Rated Lift Capacity Tables
Summary Of SaÉty Precautions for Lifting in “Leveling Mode l”
Performarvce Standards .
Performance Tests
UPPER STRUCTURE
Operators Cab Rerrmal Procedure
Falling Object Protective Structures (F.O. PS.)
Front Attachment Pin Specifications
Bucket Tooth Inspection and Replacement
Shimming Bucket Linkage
Bucket Attachment, Rernoval and Reversal
Removal and Installation Of the Front Attachment
Attachment Cylinders, Disassembly and Reassembly
Operation of Hydraulic Cylinders .
Cylinder Disassembly
Cylinder Reassembly
Welding Precautions and Guidelines
Accumulator .
Engine Components and Accessories
Counterweight Removal and Installation
Fuel Tank Removal and Installation
Engine Cooling System: Radiator/Oil Cooler
Swing Bearing Maintenance …
Center Joint (Swivel) OverhauVRepair
Hydraulic System
Operation Of Working Components
Main Pump Assembly Description
Pump Regulator Description …
Hydraulic System General .
Maintenance Service and Repair Procedure
Troubleshooting — Main Purv
Main Pump Parts List
Mam Pump Disassembly and Reassembly
Reassembly of Main PurnPS and Valve Block
Pump Regulator Parts List .
Pump Regulator Disassembly and Reassembly
Swing Motor Basic Operation
Swing Motor Parts List
Rebuilding the Swing Motor — Disassembly
Swing Motor Reassembly
Swing Motor Gearbox (Final Drive) Parts List
Swing Motor Gearbox (Final Dave) Disassen%ly
Swing Motor Gearbox (Final Dove) Reassernbty
Main Cmtrol Valve Disassernbly
tv’ain Control Valve Reassembly
Electronic Proportional Control Valve
STRUCTURE
General Description
Travel ‘vlotor and ReciJction Gearbox
Track Frame Gearbox AssemUy
Travel %tor Assembly
Travel %tor Assembly Parts List
Travel t/otor Operation
Travel Motor Gearbox (Final Drive)
Travel taotor and Gearbox Disassembly, Overhaul and Reassembly
Front Idler Ron-er .
Lower Roller
Upper Roller
Track Spring and Trac* Adjusting Cylinder
Service Standards for Lower Travel Frame
Track Tensioning
ELECTRICAL SYSTEM
General Descriptim
24 Volt Operation
Engine Start-up and Shutdown .
Cylinder Preheat — Intake Air Electrical
Alternator Circuit
LON Current Electrical Circuits
Climate Control (Air Conditioning) Circuit
Power Mode System Components
Instrument panel
Instrument Panel LED Displays and Input Terminal Connections .
Instrument Panel Connector Arrangement
Instrument Panel Selector Switches
Instrument Panel Coolant Overheating Circuit
Instrument Panel Indicator Lights
Instrument Panel Engine Oil Pressure Circuit
Start-up Electiical Test Circuit
Interior Lighting
Hydraulic Pump Discharge Pressure Sensor
power Blode Circuit Instrument panel Summary
Power Mode System Basic Operation .
Power Mode III
Power Mode II .
Power Mode I .
Swing Priority Circuit
Swing and Arm Dump Combined Operation
Swing Priority and Arm Crowd Recovery Function .
Loading Work Mode
Leveling Work Mode II
Boom Up, Arm Crowd and Bucket Crowd Combined Operation
Leveling Mode l: Boom up and Arm Crowd Combined Operation
Forward Travel: Swing During Straight Travel
Forward Travel: Arm Operation or Boom Operation While Traveling
Bucket Operation While Traveling
ENGINE
Engine Specifications
Wear Limits/Specifications, Major Engine Components
Engine Oil Pump Overhaul and Rebuilding
Fuel Injection pump Installation, Alignment and Timing
Cylinder Headbolt Torque Requirements .
Engine Throttle Controller
Engine Speed Sensor
INSPECTION, MAINTENANCE AND ADJUSTMENT
Periodic Inspection and Maintenance
Maintenance Intervals
Table Of Recommended Lubricants .
Inspection and Maintenance .
General Maintenance Procedures
General Maintenance
Torque Wrench Extension Tools
Flange and Thread Sealant Assembly Compounds
Welding Precautions and Guidelines
Service Standards for Lower Travel Frame Components
Hydraulic System Cleanliness and Oil Leaks
Reference Notes for Foldout Wiring Hamess Illustrations
