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Multimatic 255 System Setup

Your Multimatic 255 is one of the most versatile multiprocess welders in the industry. We created this page to help you get even more from your welder! Here's where you can find setup videos, tips and techniques, project ideas, accessories and much more.

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Setup Videos

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.

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.

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.

Short Arc to Pulsed MIG: Changing Processes With a Tap

Watch Roadster Shop fabricator Kellen Bain weld a spec Camaro chassis with the Multimatic® 255 multiprocess welder.

Multimatic 255 Multiprocess Welder Setup

The Multimatic® 255 delivers years of trouble-free welding. Follow these instructions to set up your new machine.

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.

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.

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 Set up Your Multimatic 255 for DC Lift-Arc TIG

Watch this video to learn how to set up your new Multimatic® 255 multiprocess welder for DC Lift-Arc™ TIG.

Stick Welding With Multimatic 255

Set up your Multimatic® 255 multiprocess welder for the stick process quickly and easily with these instructions.