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Lincoln Electric IM847 LF-72 WIRE FEEDER User Manual

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TABLE OF CONTENTS

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

Technical Specifications ...............................................................................................A-1
Safety Precautions........................................................................................................A-2

Location ...................................................................................................................A-2

Mounting...................................................................................................................A-2
Bench Mount ............................................................................................................A-3
Swivel Mount ............................................................................................................A-3
Boom Mount .............................................................................................................A-3
Suspended ...............................................................................................................A-3
Weld Cable Sizes .....................................................................................................A-4
Coaxial Weld Cables ................................................................................................A-5
Weld Cable Connections..........................................................................................A-5

Analog Control Cable Connections ...............................................................................A-6

Analog Miller Control Cable Adapter ............................................................................A-7

Welding Gun/Wire Feeder Trigger Connector .........................................................A-8
High Frequency Protection ......................................................................................A-8
Remote Sense Lead Specifications.........................................................................A-8

Wire Drive Systems ......................................................................................................A-8
Welding Guns, Torches and Accessories.....................................................................A-9
Procedure for Changing Drive and Idle Roll Sets .......................................................A-10

Wire Drive Configuration ..............................................................................A-10, A-11
Pressure Arm Adjustment......................................................................................A-11
Wire Reel Loading .................................................................................................A-12
Weld Wire Routing.................................................................................................A-13

Shielding Gas Connections ........................................................................................A-14
Installing Electrode Conduit Kits .................................................................................A-15
Aluminum Wire Preparations ......................................................................................A-16
Base Model, Bench Model Standard Duty and Bench Model Heavy Duty .................A-17
Typical System Configurations ...................................................................................A-18

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Operation ..............................................................................................................Section B

Safety Precautions........................................................................................................B-1
Graphic Symbols...........................................................................................................B-1
Common Welding Abbreviations...................................................................................B-2
Product Description.......................................................................................................B-2
Recommended Processes and Required Equipment ...................................................B-2
Front Panel Controls and Connections .........................................................................B-3

1. Remote Voltage Control Kit (Optional).................................................................B-4
2. Burnback and Postflow Timer Kit (Optional) ........................................................B-4
3. Thermal LED, Motor Overload .............................................................................B-4
4. Cold Feed/Gas Purge Switch...............................................................................B-4
5. 2 Step - Trigger Interlock Switch ..................................................................B-4, B-5
6. Wire Feed Speed Knob........................................................................................B-5
7. Gun Receiver Bushing .........................................................................................B-5
8. Trigger Connector 5-Pin Amphenol .....................................................................B-5

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Accessories ..........................................................................................................Section C

General Options and Accessories ..................................................................C-1 Thru C4

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