Lg Electronics 553cc User Manuals

Table of Contents

• DESCRIPTION

  8
• General

  8
• Receiving-Handling

  8
• Description

  8
• Power Source

  8
• Volt-Ampere Characteristics

  9
• Optional Accessories

  9
• Safety

  9
• INSTALLATION

  10
• Location

  10
• Receiving, Unpacking and Placement

  10
• Primary (Input) Electrical Connection

  10
• Secondary (Output) Welding Connections

  12
• Control Connections

  12
• OPERATION

  14
• Controls

  14
• Power Switch (ON-OFF)

  14
• Arc Force Control

  14
• Contactor Or/Remote Switch

  14
• Current Panel/Remote Switch

  14
• Current Control

  14
• Over Temperature Indicator

  15
• Voltmeter and Ammeter

  15
• Fault indicator

  15
• Operation Set-Up

  15
• Stick Welding, Arc Gouging, Tig Welding

  15
• Mig Spray Arc and Flux Cored Welding

  15
• MAINTENANCE

  16
• General

  16
• Cleaning

  16
• Inspection .and Service

  16
• Fan Motor

  16
• Transformer

  16
• Control Circuit

  16
• Over Temperature Protection

  16
• Digital Voltmeter/Ammeter Calibration

  16
• TROUBLESHOOTING

  17
• General

  17
• Testing and Replacing Bridge Assembly Components

  17
• PCB Voltage Test

  17
• Troubleshooting Information Table

  18
• PARTS

  19
• General

  19
• Ordering

  19