Lincoln Electric IM10163 FLEX FEED 74 HT User Manual
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6
TABLE OF CONTENTS
FLEX FEED™ 74 HT
Page
Product Description ......................................................................................................................7
Installation.......................................................................................................................Section A
Technical Specifications .......................................................................................................A-1
Model Numbers for Basic and Advanced User Interface .....................................................A-2
Safety Precaution. ................................................................................................................A-3
Location and Drive Roll and Wire Guides .....................................................................A-3
Feed Plate Pressure Adjustment ..................................................................................A-4
Gun Adapters ................................................................................................A-5 thru A-11
Pinion Gear Ratio ........................................................................................................A-12
Rotating the Feed Plate ..............................................................................................A-13
Left Hand Wire Drive ...................................................................................A-14 thru A-22
Water Cooling Kit ........................................................................................................A-23
Shielding Gas ..............................................................................................................A-24
Loading Spools of Wire .....................................................................................A-25, A-26
Wire Reel Stands ........................................................................................................A-27
Electrical Installation ...................................................................................................A-28
Non Lincoln Equipment Adapter .................................................................................A-29
Relay Connections ......................................................................................................A-30
Operation.........................................................................................................................Section B
Graphic Symbols ..................................................................................................................B-1
Duty Cycle ............................................................................................................................B-2
Recommended Processes ...................................................................................................B-2
Process Limitations ..............................................................................................................B-2
Equipment Limitations ..........................................................................................................B-2
Recommended Power Sources............................................................................................B-2
Front and Side View .............................................................................................................B-3
Rear View .............................................................................................................................B-4
Wire Feed Speed Knob ........................................................................................................B-5
Remote Voltage Control Knob..............................................................................................B-5
2-Step / Trigger Interloock Switch ........................................................................................B-5
Thermal LED ........................................................................................................................B-5
Cold Feed .............................................................................................................................B-5
Gas Purge ............................................................................................................................B-5
Digital Meters .......................................................................................................................B-5
Timer Kit ...............................................................................................................................B-5
Power Up Sequence ............................................................................................................B-6
User Interface .......................................................................................................................B-6
Gouging Kit...........................................................................................................................B-7
Accessories .....................................................................................................Section C
Optional Kits and Accessories...............................................................................C-1
Gun Adapter Kits.............................................................................................C-2
Cables ..........................................................................................................................C-3
General Accessories ...........................................................................................................C-4
Accessories Included with the Flex Feed™ 74 HT................................................C-5
Maintenance.....................................................................................................Section D
Safety Precautions ................................................................................................D-1
Routine Maintenance.............................................................................................D-1
Periodic Maintenance ............................................................................................D-1
Calibration Specification ........................................................................................D-1
Troubleshooting ..............................................................................................Section E
Safety Precautions.................................................................................................E-1
How to Use Troubleshooting Guide.......................................................................E-1
Troubleshooting Guide...................................................................................E-2, E-3
Wiring Diagrams and Dimension Prints ........................................................Section F
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Parts List.................................................................................................................P-747