Lincoln Electric LF-72/74 User Manual

LF-72/74 SINGLE/DUAL

Section A-1

Section A-1

TABLE OF CONTENTS

- INSTALLATION SECTION -

Installation ..............................................................................................................Section A

Technical Specifications...............................................................................................A-2

Safety Precautions .......................................................................................................A-3

Location ..................................................................................................................A-3

Mounting .................................................................................................................A-3

Bench Mount ..........................................................................................................A-4

Swivel Mount ..........................................................................................................A-4

Boom Mount ...........................................................................................................A-4

Suspended..............................................................................................................A-4

Weld Cable Sizes ....................................................................................................A-5

Coaxial Weld Cables...............................................................................................A-6

Weld Cable Connections ........................................................................................A-6

Analog Control Cable Connections..............................................................................A-7

Analog Miller Control Cable Adapter ...........................................................................A-8

Welding Gun/Wire Feeder Trigger Connector.........................................................A-9

High Frequency Protection .....................................................................................A-9

Remote Sense Lead Specifications........................................................................A-9

Wire Drive Systems ......................................................................................................A-9

Welding Guns, Torches and Accesories ....................................................................A-10

Procedure for Changing Drive and Idle Roll Sets ......................................................A-11

Wire Drive Configuration..............................................................................A-11/A-12

Pressure Arm Adjustment .....................................................................................A-12

Wire Reel Loading.................................................................................................A-13

Weld Wire Routing ................................................................................................A-14

Sheilding Gas Connections........................................................................................A-15

Installing Electrode Conduit Kits ................................................................................A-16

Aluminum Wire Preperations......................................................................................A-17

Base Model, Bench Model Standard Duty and Bench Model Heavy Duty...............A-18

Typical System Configurations...................................................................................A-19