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Millermatic 255 Setup Resources

Your Millermatic 255 is a compact, easy-to-use machine with advanced features to improve productivity and weld quality. We created this page to help you get even more of the productivity and weld quality you need! Here's where you can watch videos that explain how to set up your machine, get technical tips, find accessories and much more.

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Machine Setup

  • Setting up Your Millermatic 255 or Multimatic 255 for MIG

    Ready to MIG weld with your new Millermatic® 255 or Multimatic® 255 welder? Follow these steps to get started.

  • Getting Started With Your Millermatic 255 MIG Welder

    With the Millermatic® 255, you can count on years of trouble-free welding. Follow these instructions to set up your new machine.

  • Set up Weld Screen on the Millermatic 255 and Multimatic 255

    When using your Millermatic® 255 or Multimatic® 255 in the manual mode, follow these guidelines to customize the weld settings.

  • Millermatic 255 or Multimatic 255 Spool Gun Setup

    Setting up your new Millermatic® 255 or Multimatic® 255 for aluminum welding with a spool gun is easy with these instructions.

  • Push-Pull Gun Setup On Millermatic 255 or Multimatic 255

    Planning to MIG weld aluminum with a Millermatic® 255 or Multimatic® 255 welder? Watch this video to learn how to set up a push pull gun.

  • Flux-Cored Welding With Millermatic 255 or Multimatic 255

    Learn how to set up your new Millermatic® 255 and Multimatic® 255 to weld with the self-shielded flux-cored process.

  • How to Change Nozzle, Tip, Diffuser, and Liner with Set Screw for MDX™ MIG Guns

    Follow some simple step-by-step instructions to change AccuLock™ consumables on MDX™ MIG guns and gain an optimal wire feeding path.

  • How to Reinstall a Trimmed Liner for MDX™ MIG Guns with Set Screw Power Pin Cap

    When the power pin cap is removed from a MDX™ MIG gun, the liner can retract and appear too short to lock into place. Learn how to reinstall the liner.

  • Quick Tips for Setting MIG Welding Parameters

    Learn how to set parameters when MIG welding so you get the best-looking welds possible, every time.

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