viii

TABLE OF CONTENTS

viii

 

 

 

Page

 

Installation

Section A

 

Technical Specifications

A-1

 

Safety Precautions

A-2

 

Location

A-2

 

High Frequency Protection

A-2

 

Weld Cable Connections

A-2

 

Electrode Connection

A-3

 

Work Connection

A-3

 

Power Source Connection

A-3

 

Engine Drive Power Source Connection

A-3

 

Connection Diagram

A-3

 

Guns and Cables

A-4

 

Electrode Polarity

A-4

 

Control Cable Connections

A-4

 

Procedure to Install Drive Rolls and Wire Guides

A-5

 

Feeding Wire Electrode

A-5

 

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Operation

Section B

 

Safety Precautions

B-1

 

Graphic Symbols that appear on this Machine or in this Manual

B-1

 

General Description

B-2

 

Duty Cycle

B-2

 

Recommended Processes

B-2

 

Process Limitations

B-2

 

Equipment Limitations

B-2

 

Operational Features and Controls

B-2

 

Case Front Controls

B-3

 

83% Procedure

B-3

 

LN-15 POWER UP SEQUENCE

B-4,B-5

 

Internal Controls

B-5

 

Spring Tension Arm

B-5

 

Wire Drive Configuration

B-6

 

Cold Feed/Gas Purge Switch

B-6

 

2 Step-Trigger Interlock Switch

B-7

 

Flow Meter

B-7

 

Spindle Brake

B-7

 

Shielding Gas Connection

B-7

 

Constant Current Operation

B-8

 

Setting Arc Sensing wire Feed Speed For Constant Current Operation

B-9

 

Making a Weld

B-10

 

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Accessories

Section C

 

Factory Installed Equipment

C-1

 

Optional Equipment

C-1

 

Electrode, K-Kit used

C-1

 

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Maintenance

Section D

 

Safety Precautions

D-1

 

Routine Maintenance

D-1

 

Periodic Maintenance

D-1

 

Calibration Specification

D-1

 

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Troubleshooting

Section E

 

Safety Precautions

E-1

 

How to Use Troubleshooting Guide

E-1

 

Troubleshooting Guide

E-2 thru E-4

 

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Wiring Diagram & Dimension Prints

Section F

 

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Parts Pages

P-544

 

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Lincoln Electric IM910 manual Table of Contents