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MASTER TABLE OF CONTENTS FOR ALL SECTIONS
Page
Installation .......................................................................................................Section A
Technical Specifications ........................................................................................A-1
Safety Precautions.................................................................................................A-2
Uncrating the PM 255............................................................................................A-2
Location .................................................................................................................A-2
Input Power, Grounding and connection Diagrams .......................................A-2, A-3
Output Polarity Connections..................................................................................A-4
Gun and Cable Installation ....................................................................................A-5
Shielding Gas ........................................................................................................A-5
Operation .........................................................................................................Section B
Safety Precautions.................................................................................................B-1
Product Description ...............................................................................................B-2
Recommended Processes and Equipment ...........................................................B-2
Welding Capability.................................................................................................B-2
Limitations..............................................................................................................B-2
Description of Controls ..........................................................................................B-2
Wire Drive Roll.......................................................................................................B-2
Wire Size Conversion parts ...................................................................................B-2
Procedure for Changing Drive Roll........................................................................B-3
Wire Reel Loading .................................................................................................B-3
Mounting of 10 to 44 lbs. Spools ...........................................................................B-3
To Start the Welder................................................................................................B-3
Feeding Wire Electrode .........................................................................................B-4
Idle Roll Pressure Setting ......................................................................................B-4
Setting Run-in Speed.............................................................................................B-4
Making a Weld.......................................................................................................B-5
Avoiding Wire Feeding Problems ..........................................................................B-5
Fan Control............................................................................................................B-6
Input Line Voltage Protection.................................................................................B-6
Wire Feed overload Protection ..............................................................................B-6
Welding Thermal Overload Protection...................................................................B-6
Overcurrent Protection...........................................................................................B-6
Welding Procedure Information .............................................................................B-6
Accessories.....................................................................................................Section C
Drive Roll Kits........................................................................................................C-1
Aluminum Feeding Kit (Optional K1703-1)............................................................C-1
K363P Readi-Reel Adapter ...................................................................................C-1
Dual Cylinder Mounting Kit (K1702-1)...................................................................C-1
Alternative Magnum GMAW Gun and Cable Assemblies .....................................C-1
Magnum Gun Connection Kit (Optional K466-6)...................................................C-1
Timer Kit Installation (Optional K1701-1)...............................................................C-1
Operating Instructions for Timer Kit ................................................................C-2
Spool Gun Adapter Kit (Optional K1700-1) ...........................................................C-3
Making a Weld with the Spool Gun Adapter Kit and Spool Gun Installed.......C-3
PM 255