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POWER MIG 255
Section B-1 Section B-1
TABLE OF CONTENTS
- OPERATION SECTION -
Operation ................................................................................................................Section B
Product Description......................................................................................................B-3
Recommended Processes and Equipment..................................................................B-3
Welding Capability........................................................................................................B-3
Limitations ....................................................................................................................B-3
Description of Controls ................................................................................................B-4
Wire Drive Roll..............................................................................................................B-4
Wire Size Conversion Parts..........................................................................................B-4
Procedure for Changing Drive and Idle Roll Sets ........................................................B-5
Wire Reel Loading - Readi-Reels, Spools, or Coils .....................................................B-5
To Mount a 30 lb (14 kg) Readi-Reel Package
(Using the Molded Plastic K363-P Readi-Reel Adapter).......................................B-5
To Mount 10 to 44 lb (4.5-20 kg) Spools (12 in./300 mm Diameter)
or 14 lb (6 kg) Innershield Coils.............................................................................B-5
To Start the Welder.......................................................................................................B-6
Feeding Wire Electrode................................................................................................B-6
Idle Roll Pressure Setting .............................................................................................B-6
Setting Run-In Speed on Standard Power MIG Feeder ..............................................B-6
Fast or Slow Run-In Mode Selection (When Timer Option is not Installed)..........B-6
Instructions to Enter Slow Run-In..........................................................................B-6
Instructions to Enter Fast Run-In...........................................................................B-6
Making a Weld..............................................................................................................B-7
Avoiding Wire Feeding Problems .................................................................................B-7
Fan Control...................................................................................................................B-8
Input Line Voltage Protection.......................................................................................B-8
Wire Feed Overload Protection ....................................................................................B-8
Welding Thermal Overload Protection .........................................................................B-8
Overcurrent Protection .................................................................................................B-8