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Everlast Powertig 255 EXT - User Manual

Everlast Powertig 255 EXT
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EVERLAST
POWERTIG 255 EXT
Operator’s Manual for the PowerTig 255 EXT
Safety, Setup and General Use Guide
Rev.2 0 021212-14
Digital AC/DC TIG/STICK WELDER
GTAW/SMAW
CC
GTAW-P
SMAW
IGBT
AC/DC
everlastwelders.com
1-877-755-9353
329 Lileeld Ave. South San Francisco, CA 94080 USA
Specicaons and Accessories subject to change without noce.
DV
120/240V

Table of Contents

Questions and Answers

  • D
    Dana HowellAug 17, 2025
    What to do if Everlast Welding System weld quality is poor?
    • F
      fchapmanAug 17, 2025
      If the weld quality from your Everlast Welding System is poor and appears dirty or oxidized, with possible porosity, try these steps: Eliminate drafts, check if there is sufficient shielding gas left in the tank, and verify the gas flow, adjusting for a higher flow if needed. Listen for an audible click of the gas solenoid; if there's no click, contact Everlast Support. Ensure the weld is properly cleaned, especially when working with Aluminum. Also, check the tungsten stick out and consider using a gas lens. Avoid too short of post flow time.
  • F
    fhughesAug 19, 2025
    Why is my Everlast Welding System tungsten rapidly consumed?
    • J
      josewheelerAug 20, 2025
      Rapid consumption of tungsten in your Everlast Welding System can occur due to inadequate gas flow, using too small of a tungsten, or using the wrong or contaminated shielding gas. To resolve this, use only Argon, avoid green tungsten, and switch to red thoriated or another suitable tungsten type. Also, ensure you are using the correct polarity and avoid excessive AC cleaning.
  • H
    Hannah WilcoxAug 22, 2025
    What to do if Over current LED illuminates on Everlast Welding System?
    • T
      Tiffany RosalesAug 22, 2025
      If the Over current/Duty cycle LED illuminates on your Everlast Welding System and there is no output, it indicates that the duty cycle has been exceeded or there is an overcurrent. Allow the machine to cool down, then reset the main power switch after it has fully cooled. Ensure the fan is not blocked and check the wiring for any loose cords.
  • W
    Wendy SummersAug 25, 2025
    How to fix unstable arc on Everlast Welding System?
    • D
      Diana MeltonAug 26, 2025
      To fix an unstable arc on your Everlast Welding System, start by regrinding the tungsten to a proper point if it's poorly ground or shaped. Avoid excessive stand off height and drafty conditions. Ensure the welder fan isn't blowing on the weld area; if it is, move the welder to a cart. Verify you're using the correct polarity. If welding aluminum, reduce the balance to 30% or less and increase the AC Frequency. Also, check for possible magnetized base; reroute cables or coil them around the table leg if necessary. Move the work clamp close to the weld area for a direct clamp.
  • N
    Nicholas VasquezAug 28, 2025
    What to do if Everlast Welding System tungsten is contaminated?
    • S
      Stephanie SampsonAug 28, 2025
      If the tungsten in your Everlast Welding System is contaminated and the arc turns green, it's likely that the tungsten is dipping into the weld. To resolve this, check and adjust the stick out to a minimum of 1/8 inch. If the tungsten is melting, reduce the amperage or increase the tungsten size.
  • S
    Stephen SloanAug 30, 2025
    Why is there porosity in Everlast Welding System weld?
    • S
      sonya05Aug 30, 2025
      Porosity, discolored weld color, and discolored tungsten in your Everlast Welding System welds can be caused by a low or high flow rate of shielding gas, too short of a post flow period, using the wrong TIG cup size, possible gas leaks internally or externally due to loose fittings, or base metal contaminated with dirt or grease.
  • M
    Michael ReedSep 2, 2025
    What to do if Everlast Welding System has HF spark but no welding arc?
    • J
      Jason MccannSep 2, 2025
      If your Everlast Welding System shows an HF spark but no welding arc, which appears as a lightning bolt or small blue spark, it could be due to no ground connection, wrong polarity, too great of a distance between the tungsten and work piece, or using too large of a tungsten with too little amps. After checking these issues, contact Everlast for a possible internal issue.
  • D
    danielsrobertSep 5, 2025
    What to do if Everlast Welding System machine runs, but will not weld?
    • J
      James ReedSep 5, 2025
      If your Everlast Welding System runs but does not weld in either mode, check for sound work clamp and cable connections. Ensure the work cable and TIG Torch are securely fastened to the Dinse style connector. Reset the main power switch if the overcurrent light is on. If problems persist, contact Technical Support.
  • J
    Jason WarrenSep 7, 2025
    Why arc will not start unless lift started on Everlast Welding System?
    • S
      Sherry Hess MDSep 7, 2025
      The arc may not start on your Everlast Welding System unless lift started because of too long of stand off, a failed HF module, contaminated tungsten, or no tungsten or stick out too short.
  • S
    Susan RobertsSep 12, 2025
    How to fix unstable arc at low amps on Everlast Welding System?
    • M
      Michelle LopezSep 12, 2025
      To fix an unstable arc or irregular starts at low amps on your Everlast Welding System, especially if the arc is flashing on and off and oscillating between HF and arc, it may be due to start amps/end amps being too low for the tungsten diameter. Try using a smaller tungsten. Also, ensure you are not too far from the work piece and maintain a consistent stand off height. Reduce the tungsten to work distance to 1/32” to 1/16” for a low amp start. Move the work clamp.

Summary

Safety Precautions

HF Disturbances and Pacemaker Safety

Information on HF disturbances and safety for individuals with pacemakers.

Welding Hazards and Personal Protective Equipment (PPE)

Covers UV radiation, eye, hearing, body, and foot protection requirements.

Cylinder Safety and Handling

Instructions for safe storage, handling, and use of compressed gas cylinders.

Electrical Shock and Fire Prevention

Guidance on preventing electrical shock, fire, and explosion risks during welding.

Introduction and Specifications

Unit Specifications

Technical specifications and ratings for the PowerTIG 255EXT/325EXT welder.

Quick Setup and Use Guide

TIG Connections Setup

Stick Polarity and Connections Setup

Rear Panel Connections and Wiring

Details on rear panel connections, including power input, gas, and grounding points.

Front Panel Features and Controls Overview

Overview of the front panel layout, including controls, connectors, and protective cover.

Front Panel Control Parameters Summary

Table summarizing parameters and purpose for each front panel control.

Rear Panel Features and Controls

Basic Theory and Function

2 T;4 T;Pedal Sequencer Operation

Standard Pulse Operation

Advanced Pulse Operation (AC Only)

Arc Force Control and Foot Pedal Use

Tungsten Preparation

Tungsten Grinding Procedure

Steps for properly grinding tungsten electrodes for TIG welding.

Tungsten Grinding Recommendations

Guidelines for tungsten tip shape based on amperage and AC/DC use.

Starting Methods

Lift Start TIG Operation (DC Only)

High Frequency Start TIG Operation (AC;DC)

Stick Operation

Stick Starting Methods

Polarity and Amperage Recommendations

Tungsten Selection Guide

Troubleshooting

Common Welding Problems and Solutions

Troubleshooting guide for common issues like no power, no arc, poor weld quality, or unstable arc.

Trouble Codes

Diagnosis of Unit Error Codes

Explanation of specific trouble codes (801, 802, 804, 805) and their diagnoses.

Everlast Powertig 255 EXT Specifications

General IconGeneral
Welding ProcessTIG, Stick
Input Frequency50/60 Hz
Duty Cycle60%
TIG Welding CapabilityYes
Stick Welding CapabilityYes
Pulse TIG FunctionYes
High Frequency StartYes
Output Range5-250A
Input Phase1/3 Phase
TIG Duty Cycle60% at 250A
Stick Duty Cycle60% at 200 Amps

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