Lincoln Electric 11257 User Manual

Operator’s Manual
POWER MIG
®
140, 180 MODELS (AU)
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www.lincolnelectric.com/locator
IM890-B | Issue D ate Feb-17
© Lincoln Global, Inc. All Rights Reserved.
For use with machines having Code Numbers:
11254, 11255, 11256, 11257,
11444, 12724
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Date Purchased
Code: (ex: 10859)
Serial: (ex: U1060512345)

Lincoln Electric 11257 Specifications

General

Brand	Lincoln Electric
Model	11257
Category	Welding System
Language	English

Summary

Safety Precautions

Section A: Warnings

Engine Powered Equipment Safety

Operation and Maintenance Safety

Electrical and Magnetic Field Hazards

EMF Safety Precautions

Electrical Shock Hazards

Preventing Electrical Shock

Detailed safety measures to prevent electrical shock during operation.

Arc Ray and Fume Hazards

Arc Ray Protection Measures

Guidelines for protecting eyes and skin from arc rays.

Fume and Gas Handling Safety

Safety procedures for handling hazardous fumes and gases.

Fire and Cylinder Safety

Fire Prevention Guidelines

Safety guidelines to prevent fires caused by welding sparks.

Compressed Gas Cylinder Safety

Precautions for handling compressed gas cylinders.

Electrically Powered Equipment Safety

Installation and Grounding Requirements

Guidelines for safe installation and grounding of electrically powered equipment.

Technical Specifications

180 Amp Unit Specs

140 Amp Unit Specs

Operation Guide

Pre-Operation Safety Checks

Essential safety warnings before operating the wire feeder welder.

Controls and Settings

Machine Control Functions

Setup Procedures

Flux-Cored Weld Setup

MIG Weld Setup

Shielding Gas Installation

Instructions for connecting and installing shielding gas for MIG welding.

MIG Wire Spool Loading

Aluminum Weld Setup

Spool Gun Operation for Aluminum

Maintenance Procedures

Safety During Maintenance

Critical safety warnings before performing maintenance tasks.

Routine Component Care

Gun and Cable Servicing

Troubleshooting

Using the Troubleshooting Guide

Instructions on how to effectively use the troubleshooting section.

Problem Diagnosis

Output and Feeding Issues

Common output and wire feeding problems and their solutions.

Troubleshooting Common Issues

Gas Flow and Arc Stability

Safety Warnings Summary

Multilingual Safety Precautions