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Lincoln Electric LN-25 PRO IM901-A User Manual

Lincoln Electric LN-25 PRO IM901-A
44 pages
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• Sales and Service through Subsidiaries and Distributors Worldwide •
Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com
• World's Leader in Welding and Cutting Products •
Copyright © Lincoln Global Inc.
LN-25 PRO
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January, 2010
For use with machines having Code Number: 11387, 11388, 11507, 11508
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Lincoln arc welding and cutting
equipment is designed and built with
safety in mind. However, your overall
safety can be increased by proper
installation ... and thoughtful opera-
tion on your part. ' &',
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And, most importantly, think before
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Lincoln Electric LN-25 PRO IM901-A Specifications

General IconGeneral
Input Phase1
Drive Roll KitIncluded
Cooling SystemFan-cooled
Wire Diameter Range0.023-0.045 in (0.6-1.2 mm)
Wire Feed Speed Range50 - 700 ipm
Spool Capacity12 in
Duty Cycle60% at 300 A
Wire Feed System4-Roll
Compatible ProcessesMIG, Flux-Cored

Summary

Safety Depends on You

General Safety Precautions

Engine Powered Equipment Safety

Safety precautions for operating and maintaining engine-powered welding equipment.

Electric and Magnetic Field Hazards

Information on potential hazards from EMF fields and precautions for welders.

Specific Safety Hazards (Part 1)

Electric Shock Hazards

Detailed safety precautions to prevent electric shock while operating welding equipment.

Arc Ray Hazards

Safety measures to protect against burns and eye damage from arc rays.

Fumes and Gases Hazards

Precautions regarding hazardous fumes and gases produced during welding operations.

Specific Safety Hazards (Part 2)

Welding Sparks and Cylinder Safety

Safety measures for welding sparks, fires, explosions, and cylinder handling.

Detailed Safety Precautions

Electrical, Arc Ray, and Fume Protection

Precautions for electric shock, arc rays, fumes, gases, and molten slag protection.

Welding Machine Safety Procedures

Safety for transformer/rectifier machines: grounding, qualified personnel, power disconnection, covers.

Installation Procedures

Technical Specifications

Key technical specifications including input voltage, current, rated output, gearing, dimensions, and temperature range.

Installation Safety and Location

Installation Safety Precautions

Critical safety warnings and procedures to prevent electric shock during installation.

Cable and Gas Connections

Shielding Gas Connection Procedures

Step-by-step instructions for connecting the shielding gas supply.

Wire Drive Adjustments and Gun Connection

Pressure Arm Adjustment

How to adjust the pressure arm for optimal wire feeding performance.

Power Source Connection Diagrams (CC)

Across-the-Arc Setups (CC Power Sources)

Diagrams and instructions for connecting to CC power sources with hot output terminals.

Power Source Connection Diagrams (CV)

CV Power Sources (Stud Connectors, Remote/Local Switch)

Diagrams and instructions for connecting to CV power sources with specific connector types.

CV Power Sources (Stud Connectors, No Remote/Local Switch)

Diagrams for connecting to CV power sources without a remote/local switch.

Power Source Connection Diagrams (CV - Twist-Mate)

CV Power Sources (Twist-Mate Connectors, Remote/Local Switch)

Diagrams for connecting to CV power sources with Twist-Mate connectors and remote/local switch.

Operation Safety and Symbols

Operation Safety Precautions

Critical safety warnings for operating the welding machine.

Front Panel Controls

Wire Feed Speed Control

Wire Feed Speed Knob Operation

How to use the wire feed speed knob for adjustment.

Internal Control Functions

Constant Current Wire Welding

Maintenance and Calibration

Maintenance Safety Precautions

Essential safety warnings before performing maintenance on the equipment.

Wire Feed Speed Calibration

Troubleshooting Guide Usage

How to Use the Troubleshooting Guide

Instructions on how to effectively use the troubleshooting guide.

Troubleshooting Safety Warnings

Critical safety warnings to observe before performing troubleshooting.

Troubleshooting Error Codes

Digital Display Model Error Codes

Troubleshooting steps for error codes Err 81 and Err 82 related to motor overload.

Troubleshooting Common Issues (Part 1)

Troubleshooting Output Problems

Solutions for issues like no display, no cold feed, or no output when trigger is pulled.

Troubleshooting Common Issues (Part 2)

Troubleshooting Output Issues

Solutions for incorrect tension arm pressure, spindle brake, worn drive rolls, and wire feed speed.

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