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Multimatic 255 Ultimate Guide

Multimatic® 255 Owner Resources

Welcome to Your Ultimate Multimatic® 255 Guide

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.

SETUP VIDEOS

TIPS AND TECHNIQUES

PROJECT IDEAS

ACCESSORIES

Setup Videos

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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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Tips for Maintaining Your MIG Welder

Regular welder maintenance will keep your machine performing in top shape. Follow these tips for common welder maintenance.

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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.

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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.

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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.

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Miller Multimatic 255: Built for Chassis Fabrication

The master fabricators at Roadster Shop rely on the Multimatic® 255 for MIG and TIG welding their in-demand chassis.

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Why the Multimatic 255 is Ideal for Chassis Welding

The chassis Roadster Shop builds require a lot of welding, which is why they love their easy-to-use Multimatic 255 welder.

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Multimatic 255 Multiprocess Welder Setup

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

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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.

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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.

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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.

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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.

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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.

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Stick Welding With Multimatic 255

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

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Millermatic 255 and Multimatic 255: Think Simply. Weld Smarter.

Reduce downtime and increase productivity with the Millermatic® 255 MIG welder and Multimatic® 255 multiprocess welder.

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How to Update Multimatic 255 and Millermatic 255 Software

View More... View All (16)

Tips and Techniques

Tips for Troubleshooting Common MIG Weld Defects

Want To Improve Results When MIG Welding Stainless Steel?

How Do Safety and Scheduled Maintenance Protect Your Assets?

10 Welding Operation Mistakes and How To Solve Them

Welding Aluminum vs. Steel — Tips to Improve Your Results

Project Ideas

Tractor Seat Stool

Work Platform

VIEW ALL PROJECTS

Accessories

Spoolmatic® 15 ft. The choice of professionals for exceptional aluminum welding results in industrial or commercial...

Spoolmatic® 30 ft. The choice of professionals for exceptional aluminum welding results in industrial or commercial...

Spoolmate™ 200 Most economical and reliable spool gun in its class! Designed specifically for home hobbyists &...

Spoolmate 200 Curved Barrel Assy

Spoolmate 200 9 in Straight Barrel

XR™-Aluma-Pro™ Lite Push-Pull Guns Lightest weight gooseneck-style gun features rear trigger that allows access to hard-to-reach welds.

Wireless Foot Control Save your business time and money and improve workspace safety and efficiency with wireless foot...

Remote Hand Control, RHC-14, 20ft

Rotary Fingertip Control, East/West, 14-pin plug 26.5 ft. (8 m.) cord, Hook and loop fastening,

Rotary Fingertip Control, North/South, 14-pin plug 26.5 ft. (8 m.) cord, Hook and loop fastening,

Adapter Cord, 10 Pin To 14 Pin

XR-Aluma-Pro™ Push-Pull Guns Robust professional-grade gun has the highest duty cycle rating in its class.

XR™-Pistol-Pro Push-Pull Guns Exceptional aluminum welding results for heavy-industrial applications.

MDX™-250 MIG Welding Guns 250A rated output. Next-level advancements include a comfortable new handle with rubber overmolding...

View More... View All (14)

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Ease of Use

Productivity

Optimization and Performance

Multimatic® 255 Owner Resources

Welcome to Your Ultimate Multimatic® 255 Guide

SETUP VIDEOS

TIPS AND TECHNIQUES

PROJECT IDEAS

ACCESSORIES

Setup Videos

Quick Tips for Setting MIG Welding Parameters

Tips for Maintaining Your MIG Welder

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

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

Short Arc to Pulsed MIG: Changing Processes With a Tap

Miller Multimatic 255: Built for Chassis Fabrication

Why the Multimatic 255 is Ideal for Chassis Welding

Multimatic 255 Multiprocess Welder Setup

Setting up Your Millermatic 255 or Multimatic 255 for MIG

Set up Weld Screen on the Millermatic 255 and Multimatic 255

Push-Pull Gun Setup On Millermatic 255 or Multimatic 255

Flux-Cored Welding With Millermatic 255 or Multimatic 255

How to Set up Your Multimatic 255 for DC Lift-Arc TIG

Stick Welding With Multimatic 255

Millermatic 255 and Multimatic 255: Think Simply. Weld Smarter.

How to Update Multimatic 255 and Millermatic 255 Software

View More... View All (16)

Tips and Techniques

Tips for Troubleshooting Common MIG Weld Defects

Want To Improve Results When MIG Welding Stainless Steel?

How Do Safety and Scheduled Maintenance Protect Your Assets?

10 Welding Operation Mistakes and How To Solve Them

Welding Aluminum vs. Steel — Tips to Improve Your Results

Project Ideas

Tractor Seat Stool

Work Platform

Accessories

Sign Up for Miller eNewsletters