INSTRUCTIONS for
0558008688
December, 2008
SPOT / STITCH / BURNBACK PLUG-IN
MODULE FOR MIGMASTER 250
SPOT / STITCH / BURNBACK MODULE FOR MIGMASTER 250, P/N 32858
This easy-to-install, plug-in module mounts in place of the lower blank cover plate of the upper-right front
panel location in the machine. It enables the operator to use machine for Spot or Stitch or Continuous
welding operations. It also includes an adjustable Anti-Stick feature that allows you to select various wire
burnback times to prevent wire from sticking in the puddle after a weld. If a spotwelding operation is to be
used, it is recommended that you also order a #12S Spotweld Nozzle, P/N 999625.
INSTALLING OPTIONAL SPOT / STITCH /BURNBACK MODULE
1. Remove lower blank-cover plate from upper-right front panel of power supply. Save the mounting
hardware.
2. Locate the harness-connected 15-pin plastic plug, P3, inside the mounting cavity. Note that this plug
will have a jumper plug with jumper wires connected to it. Remove (and save) the jumper plug. The
jumper plug must be reinstalled if the module is ever removed.
3. Connect the 15-pin plug into the matching receptacle on the rear of the optional control module. The
plug will only t one way.
4. Install the control module in place of the blank panel removed in Step1, using the same mounting hardware that you saved.
0558008688 12 / 2008
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