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AMERICAN WELDQUIP 238CA Installation And Operations

Air-cooled semi-automatic mig torches
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For Models
238CA, 347CA/PG, 354CA/PG, 407CA/PG
INSTALLATION, OPERATIONS, AND REPLACEMENT PARTS MANUAL

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Summary of Contents for AMERICAN WELDQUIP 238CA

  • Page 1 ‐ ‐ ‐ ‐ For Models 238CA, 347CA/PG, 354CA/PG, 407CA/PG INSTALLATION, OPERATIONS, AND REPLACEMENT PARTS MANUAL...

  • Page 2: Table Of Contents

    Table of Contents INTRODUCTION ..............................2 WARRANTY ............................... 2 ROHS COMPLIANT ............................3 EU DIRECTIVE ..............................4 SAFETY PRECAUTIONS – READ BEFORE USING ..................5 FEATURES ................................ 10 TORCH SPECIFICATIONS ..........................10 INSTALLATION ............................... 10 EURO CONNECTION (USING FEEDER ADAPTOR KIT) ............... 11 DIRECT CONNECT ............................

  • Page 3: Introduction

    American Weldquip assumes no responsibility for errors or omissions. American Weldquip assumes no liability for damages resulting from the use of the information contained in this manual. American Weldquip shall have no liability to the buyer for consequential damages or expenses by any defect whatsoever.

  • Page 4: Rohs Compliant

    While it is not a requirement to meet the directive in the United States, currently, American Weldquip Inc. feels this is an important part of our “Go Green initiative. We have taken all reasonable steps to try to ensure the supporting evidence regarding the absence of the restricted substances to support RoHS compliance.

  • Page 5: Eu Directive

    EU DIRECTIVE This product has met the requirements set by the EU directive and the products listed below are in conformity with the provisions of: Council Directives - 2014/35/EC Low Voltage Equipment Safety Council Directives - 2011/65/EU Restriction of the use of certain hazardous substances in electrical and electronic equipment (RoHS) Harmonization Standard Used - IEC 60974-7:2013 Arc welding equipment –...

  • Page 6: Safety Precautions - Read Before Using

    SAFETY PRECAUTIONS – READ BEFORE USING Before installing, operating, or performing maintenance please read the safety precautions below. Failure to observe safety precautions can result in injury or death. Read and follow the Owner’s Manual carefully before installing, operating, or servicing equipment.
  • Page 7 should be checked initially and periodically thereafter to maintain applicable OSHA PEL and ACGIH TVL limits.  In a poorly ventilated area, it is necessary to wear an approved air-supplied respirator.  Always read and understand the Safety Data Sheets (SDSs) and the manufacturer’s instructions for adhesives, coatings, cleaners, consumables, coolants, degreasers, fluxes, and metals.
  • Page 8  Do not use worn, damaged, undersized, or poorly spliced cables. It is illegal to use electrical tape to repair torch power cable or ground cable that has damaged outer insulation. The cable must be replaced.  Do not drape cables over your body. ...
  • Page 9  Be alert that welding sparks and hot materials from welding and cutting can easily go through small cracks and openings and cause a fire in the adjacent areas. Follow requirements in OSHA 1910.252 (a) (2) (iv) and NFPA 51B for hot work and have a fire watcher and extinguisher nearby.
  • Page 10  Read and follow the instructions on compressed gas cylinders, associated equipment, and CGA publication P-l, “Precautions for Safe Handling of Compressed Gases in Cylinders,” available from the Compressed Gas Association, 14501 George Carter Way Chantilly, VA 20151. PRINCIPAL SAFETY STANDARDS Safety in Welding, Cutting and Allied Processes, ANSI Standard Z49.1 –...

  • Page 11: Features

    Depending on how your torch was ordered, your American Weldquip torch has been supplied with either a EURO type feeder connection or a DIRECT wire feeder connection. The American Weldquip torch can be installed to the wire feed unit in two ways.  Euro Connection – Feeder Adaptor Kit may be required...

  • Page 12: Euro Connection (Using Feeder Adaptor Kit)

    EURO CONNECTION (USING FEEDER ADAPTOR KIT) In some cases, it may be desirable to use a Euro feeder adaptor kit when using different manufactures wire feed units. This will commonize torches to a Euro style configuration. 1) Thread feeder adaptor plug into the adaptor block and tighten. 2) Insert the adaptor guide tube into the adaptor plug.

  • Page 13: Maintenance

    9) IMPORTANT: at the front end of the torch push the liner back into the gun and hold to trim. 10) Trim the liner to 9/32” (238CA & 347CA) or 13/32” (354CA & 407CA) stick out from the end of the gooseneck.

  • Page 14: Trigger Switch Replacement

    4) Remove the four handle screws and separate the handle assembly. 5) Using a 5/8” wrench loosen the gooseneck/cable connection and remove from the cable assembly. 6) Remove the Body Insulator from the old gooseneck and install on the new one. 7) Thread the new gooseneck on to the cable assembly and tighten with 5/8”...

  • Page 15: Power Cable Replacement

    8) Place the copper cross contact on the shoulder screw, then install the remaining spring over the screw, and thread into the trigger paddle until tight. DO NOT OVER TIGHTEN. 9) Using the (4) four screws provided attach the (2) two outer contact plates and install the (2) two trigger leads under the front contact plate screws.

  • Page 16: Nozzle/Tip Relationships

    18) Install the other handle half and screw on the rear spring. 19) Install the screw on the rear handle and feeder adaptor. 20) Plug trigger connector into socket on rear adaptor support if present. 21) Reinstall the liner, see liner replacement. 22) Replace the Diffuser, contact tip, and nozzle.

  • Page 17: Nozzle Selection Chart

    NOZZLE SELECTION CHART 300 SERIES NOZZLES Part Insulator Description Material O.A.L Bore Size Number 3/8” 75133801 CONICAL NI PLATED BRASS 2.820” NONE REQ (9.5mm) 3/8” 75133802 BOTTLE NOSE NI PLATED BRASS 2.820” NONE REQ (9.5mm) 3/8” 75133803 BOTTLE NOSE NI PLATED BRASS 3.62”...

  • Page 18: Contact Tip Selection Chart

    5/8” 75146205-I CONICAL NI PLATED BRASS 3.031” (77.0mm) INSTALLED (15.9mm) 5/8” 75146205CU TAPERED BARE COPPER 3.031” (77.0mm) 75001738 (15.9mm) SHORT 5/8” 75146206-I NI PLATED BRASS 1.875” (47.6mm) INSTALLED CONICAL (15.9mm) SHORT 5/8” 75146207-I NI PLATED BRASS 2.187” (55.6mm) INSTALLED CONICAL (15.9mm) 3/4”...

  • Page 19: Liner Selection Chart

    20045400 0.045” (1.2mm) 0.054” 20052400TT 0.052” (1.3mm 0.057” 20062400 0.062” (1.6mm 0.069” 20030500 0.030” (.8mm) 0.039” 20035500 0.035” (.9mm) 0.041” 20040500 0.040” (1.0mm) 0.050” 20045500 0.045” (1.2mm) 0.054” 20052500 0.052” (1.3mm) 0.061” 20062500 0.062” (1.6mm) 0.069” *TT is for tight tolerance. LINER SELECTION CHART Part Number Description...

  • Page 20: Parts Breakdown - 238, 347, 407

    PARTS BREAKDOWN – 238, 347, 407...
  • Page 21 Description NOZZLE SEE NOZZLE SELECTION CHART NOZZLE INSULATOR SEE NOZZLE SELECTION CHART CONTACT TIP SEE CONTACT TIP SELECTION CHART GAS DIFFUSER, STANDARD 75002007 75002007 75004033 75004033 75004033 GAS DIFFUSER, SHORT 75002007S 75002007S 75004033S 75004033S 75004033S GAS DIFFUSER, LONG 75002007L 75002007L 75004033L 75004033L 75004033L...
  • Page 22 EURO BLOCK 37030001 37030001 37030001 37030001 37030001 EURO BLOCK RETAINING 37077005 37077005 37077005 37077005 37077005 ADAPTOR SCREW 75001151 75001151 75001151 75001151 75001151 LOCK NUT 75001029 75001029 75001029 75001029 75001029 HOLE PLUG 38000003 38000003 38000003 38000003 38000003 MILLER FEEDER PIN 37577705 37577705 37577705 37577705...
  • Page 23 AMERICAN WELDQUIP 1375 Wolf Creek Trail – P.O. Box 397 Sharon Center, Ohio 44274 Telephone 330‐239‐0317 Fax 800‐949‐9353 www.weldquip.com www.youtube.com/weldquip1 OM001 – 05/22...

This manual is also suitable for:

347ca347pg354ca354pg407ca407pg

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