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Summary of Contents for AMERICAN WELDQUIP 550A
- Page 1 Water‐Cooled Automatic MIG Torches For Models 550A & 600A STANDARD/BARREL/RACK AND TAM MOUNTS (450A discontinued; parts still available; see appendix A‐1) INSTALLATION, OPERATIONS AND REPLACEMENT PARTS...
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Page 2: Table Of Contents
NOZZLE SELECTION CHART ........................16 400 SERIES NOZZLES ..........................16 CONTACT TIP SELECTION CHART ......................16 M8 CONTACT TIPS ............................16 LINER SELECTION CHART ........................... 17 PARTS BREAKDOWN ............................. 18 550A ................................18 600A ................................20 APPENDIX A-1 450A TORCHES ........................22... -
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: 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 6 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 7 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 8 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 9 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 –...
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Page 10: Features
4 minutes off time). INSTALLATION Depending on how it is 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. -
Page 11: Euro Connection (Using Feeder Adaptor Kit)
OF THE TORCH POINTED AWAY FROM ANY PERSON OR OBJECT. DO NOT POINT AT FACE, HANDS ETC. FAILURE TO DO SO WILL RESULT IN BODILY INJURY AND POSSIBLY DEATH. TORCH MOUNT INSTALLATION Mounting of Automatic torches are done per customer. Mounting fixtures not supplied by American Weldquip. -
Page 12: Daily Maintenance
DAILY MAINTENANCE A few minutes per day performing a quick check of your MIG torch will help to decrease weld problems, minimize downtime, and help increase consumable life. At Beginning of Shift o Inspect the cable for cuts, nicks, or tears. If you can see bare copper, return for maintenance. -
Page 13: Hybrid Gooseneck Replacement
10) Trim the liner to 13/32” stick out from the end of the gooseneck. 11) Replace the diffuser, contact tip and nozzle. 12) Feed welding wire into the torch and tighten drive rolls. WARNING: WHEN FEEDING WELD WIRE THROUGH THE TORCH KEEP THE FRONT END OF THE TORCH POINTED AWAY FROM ANY PERSON OR OBJECT. -
Page 14: Hybrid Air-Cooled Power Cable Replacement
9) Push the water line onto copper barb and conduit onto brass barb on the gooseneck assembly and crimp the (2) 8.7mm and (1) 7/16” clamps. 10) Slide the cable support up and secure with screw on neck 11) Reinstall the liner, see liner replacement. 12) Reinstall the diffuser, contact tip and nozzle. - Page 15 5. On the rear adaptor support unscrew the spring from the rear adaptor. A screwdriver may be used to push/twist the spring to unthread it from the rear adaptor. The rear adaptor will come apart in 2 pieces. Slide the spring down the cable assembly. Remove the rear adaptor support screw and slide down the cable assembly.
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Page 16: Nozzle/Tip Relationships
16. Slide the rear adaptor onto the rear adaptor block and attach with the rear adaptor screw. Set the outer cover boot inside the rear adaptor assembly and slide the 2 part of the rear adaptor into the first. The red and blue water lines should come out the notch in the side. -
Page 17: Nozzle Selection Chart
NOZZLE SELECTION CHART 400 Series Nozzles Part Number Description Bore Size Material O.A.L Insulator Req 75146202-I BOTTLE NOSE 5/8” (15.9mm) NI PLATED BRASS 3.125” (79.4mm) INSTALLED 75145001 BOTTLE NOSE 1/2” (12.7mm) NI PLATED BRASS 3.031” (77.0mm) 75001733 75146202 CONICAL 5/8” (15.9mm) NI PLATED BRASS 3.125”... -
Page 18: Liner Selection Chart
75052014 0.052” (1.3mm) 0.061” Contact Tip (Standard) 75062014 0.062” (1.6mm) 0.073” Contact Tip (Standard) 75062015 0.062” (1.6mm) 0.076” Contact Tip (Standard) 75078014 0.078” (2.0mm) 0.087” Contact Tip (Standard) 75093014 0.093” (2.4mm) 0.106” Contact Tip (Standard) Heat Resistant Technology (HRT) 20030400 0.030”... -
Page 19: Parts Breakdown
PARTS BREAKDOWN 550A... - Page 20 Description 550A Description 550A Nozzle See Nozzle Selection Chart Male Quick Disconnects 38660000 Nozzle Insulator See Nozzle Selection Chart 5/8”-18 LH Nut (Water) 38677143 Contact Tip See Tip Selection Chart 2-7/32” Nipple (Type A) 38677142 Gas Diffuser, Standard 75004033 Velcro Strap...
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Page 21: 600A
Parts Breakdown 600A... - Page 22 Description 600A Description 600A Nozzle See Nozzle Selection Chart Miller Feeder Pin 37577705 Nozzle Insulator See Nozzle Selection Chart OTC/Daihen Feeder Pin 37577700 Contact Tip See Tip Selection Chart OTC DP Series Feeder Pin 37577701 Gas Diffuser, Standard 75004033 Lincoln LN7 Feeder Pin 37577832 Gas Diffuser, Short 75004033S...
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Page 23: Appendix A-1 450A Torches
Appendix A‐1 450A Torches Our 450A series was replaced by the 550A. Consumables, water lines, feeder pins, etc. are interchangeable between the two systems. Description 450A Description 450A Nozzle See Nozzle Selection Chart Male Quick Disconnects 38660000 Nozzle Insulator See Nozzle Selection Chart 5/8”-18 LH Nut (Water) - Page 24 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 OM012 – 06/22...
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