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Lincoln Electric
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Welding System
Lincoln Electric
IM481-B
manual
Models:
IM481-B
1
32
35
35
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35 pages
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Troubleshooting
Specifications
Install
Enhanced Diagram
Fault Protection Operation
Meanings of Graphic Symbols
Maintenance
Water Cooler Connector
Remote Control Check
Safety
Page 32
Image 32
NOTES
Page 31
Page 33
Page 32
Image 32
Page 31
Page 33
Contents
Safety Depends on You
IM481-B
Safety
Electric Shock can kill
Welding and Cutting Sparks can Cause fire or explosion
Iii
Précautions DE Sûreté
Sûreté Pour Soudage a L’Arc
Please Examine Carton and Equipment For Damage Immediately
Table of Contents
Meanings of Graphic Symbols
Power ON-OFF Switch
Output Control LOCAL-REMOTE Switch
Output Control Dial
Thermal Protection Light
Voltmeter Switch
Circuit Breaker
Rating Plate
Degree of protection provided by the enclosure
Earth Ground Connection
Signifying the Earth Ground Connection
Chassis Ground Connection
Signifying the Chassis Ground Connection
Operational Features & Controls
General Machine Description
Recommended Processes & Equipment
Design Summary
Auxiliary Power Connections
Remote Control Connections
WATER COOLER CONNECTOR
Case Features
METER OPTION
Machine & Circuit Protection Thermal Protection Light
Paralleling
Technical Specifications
Installation
Safety Precautions
Input Power Connections
FALLING EQUIPMENT can cause
Installation of Field Installed Options
Output Cable Connections
Output Cables
Electric Shock can kill
Connection of CV 500-I to LN-22 or LN-25
Wire Feeder Control Cable Connections
Undercarriages K817P, K841
Power Source Operation
Safety Precautions ELECTRIC SHOCK can kill
Operating Instructions
Duty Cycle Amps Volts
Terminal Strip Connections
Front View of 14-PIN Connector Receptacle
PIN LEAD NO Function
Machine and Circuit Protection
VAC Auxiliary Power for Water Cooler
Routine Maintenance
Troubleshooting
HOW to USE Troubleshooting Guide
TROUBLESHOOTING GUIDE
Trouble Cause What To Do
Faulty Output Control potentiometer
Trouble Cause What To Do
Connecting the Remote Control to the Machine
Fault Protection Operation
Power I/O Switch Check
Output Voltage
Remote Control Check
Power Rectifier Bridge Assembly Checking Procedure
Power Diode Test
Power Silicon Controlled Rectifier Test
Rubber Boot
Gate leads plug to Control P.C. board
To plug To T1 main transformer
Enhanced Diagram
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Precaucion
Warnung
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