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Summary of Contents for ATTC LIGHTING AUTO MIG Gun
- Page 1 Fixed Automation MIG Gun Technical Guide MIG Technical Guide...
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Page 2: Part Numbering System
LIGHTNING ® Reliable Automatic Welding Equipment The Lightning AUTO MIG gun is made to stand up to the high heat conditions typical in the ® production environment. Lightning precision consumables are designed to reduce change-out ® related downtime. All gun components and consumables are made in the USA. High Strength Cable The outer cover is strengthened using electron beam accelerators which cross-link the polymers and increase the tear, stretch and abrasion resistance of the cable. - Page 3 LIGHTNING ® NOZZLES GAS DIFFUSERS & RETAINER 63-3201 Diffuser for HD Contact Tip 63-2138 HD * Flush 3/8” (09.5mm) 63-3104 Nozzle Retainer (for 63-3201 above) 63-2662 HD 1/8” Stick-Out 5/8” (15.9mm) 63-3103 Diffuser HD 63-2150 HD 1/8” Tip Recess 1/2” (12.7mm) 63-3116 R/M Thread-on Diffuser HD 63-2162...
- Page 4 LIGHTNING ® Front-End Assembly Body Set Screw 63-6501 Body Assy Connector Cone Cone Nut Shock Washer 64-6301A (4/500A) 63-6302 (2/3/400A) 63-6601A Gooseneck 65-6302 (500A) 63-6202 (HD) See Chart on page 3 Spring Guard 63- 6502 Diffuser Assy. 1 Pc Front-End Housing Clamps 64-6201 3103...
- Page 5 LIGHTNING ® Back-End Assembly Unicable Spring Guard Clamp See Chart on page 3 Handle 63-6502 64-7907 (400A) 65-7902 (500A) 64-6106 Control Plug Connector Housing & Screws 64-7909 Screws 63-6101LP 64-6501 Power Pin O-ring Liner O-ring 64-8202 64-9001 Pin (Tweco #4) Liner Conduit Liner 64-8211 See Chart on...
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Page 6: Liner Replacement
LIGHTNING ® NOZZLE AND CONTACT TIP SYSTEMS REMOVAL AND REPLACEMENT Pull slip-on nozzles off with a clockwise twisting motion. When installing nozzle, exposed insulator should nest inside shock washer to assure concentricity. Shock washers are positioned on the end of the gooseneck with the large insulated counterbore facing the nozzle. - Page 7 LIGHTNING ® UNICABLE REPAIR / REPLACEMENT STEP #1 REPLACEMENT UNICABLE USED UNICABLE • Remove liner from gun (See Section 2.5 LINER REPLACEMENT). Mount neck in vise. • • Remove housing screws and slide housing back (front and back). • Loosen connector cone from neck using 1” (25 mm) wrench. Remove from vise and thread out neck by hand.
- Page 8 LIGHTNING ® Lightning® Troubleshooting A. Wire not feeding or bumpy feeding Possible Cause Possible Solution 1. Feeder relay / malfunction Consult feeder manufacturer. 2. Broken control lead Connect spare control leads. 3. Poor adaptor connection Test and replace leads and/or contact pins. 4.
- Page 9 LIGHTNING ® Lightning® Troubleshooting E. Contact tip burn back Possible Cause Possible Solution 1. Improper voltage and/or wire feed speed Set parameters. 2. Erratic wire feeding See “G. Erratic arc.” 3. Improper tip stickout Adjust nozzle / tip relationship. 4. Improper electrode stickout Adjust torch to base metal relationship.
- Page 10 LIGHTNING ® 941-753-7557 • FAX:941-753-6917 • 800 342-8477 • sales@attcusa.com • www.AmericanTorchTip.com...
- Page 11 ATTC must be notfied within thirty (30) days of such defect or failure, at which tme ATTC will determine if a Return Goods Authorizaton (RGA) is justfied and issue an RGA number, authorizaton of a RGA number shall not be unreasonably withheld.
- Page 12 LIGHTNING ® THANK YOU For selecting the Lightning® MIG Gun. The Lightning® Gun is for welding professionals who want durability and comfort while working in harsh welding environments. This technical guide with instructions and illustrations is designed to make it easy to maintain your Lightning®Gun. Please read and follow all the safety procedures.
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