Lincoln Electric LF-72 WIRE FEEDER IM847-D - Manual (Page 7)

vi vi TABLE OF CONTENTS
Page
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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