Related Manuals for Harger Ultraweld UltraShot
Summary of Contents for Harger Ultraweld UltraShot
- Page 1 Installers and Inspectors Guide for making Exothermic Connections • Grounding • Lightning Protection • Cathodic Protection • Rail ®...
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Page 2: Table Of Contents
The tips for using NUWTube and UltraShot have ® ® The reaction is encapsulated by a graphite mold that is been developed based on testing done by Harger designed for specific conductors. These molds provide a as well as many years of experience in the field of portable and economical way to make the best electrical connection. exothermic welding. -
Page 3: The Ultraweld Connection
• Make sure handle closes mold tightly and handles lock properly. • Check all conductor holes in the graphite to make sure they aren’t worn or cracked. • Make sure conductors fit snug in the mold to seal in the weld metal. • Clean mold with a natural bristle brush. Do not use a step metal or plastic brush on the mold. Close the lid and attach DRONE cord to the UltraShot igniter. ® www.harger.com www.harger.com www.harger.com www.harger.com ® ® ® ®... -
Page 4: Making A Nuwtube Connection
Step 3: Insert disk into mold. Step 4: Remove Clear plastic cap from A Completed UltraShot connection ® NUWTube, pour weld metal into mold. www.harger.com www.harger.com www.harger.com www.harger.com ® ® ® ®... -
Page 5: Inspecting An Ultraweld Mold
6. Crucible – Should be able to safely hold the reaction. making the next connection. Complete NUWTUBE connection www.harger.com www.harger.com www.harger.com www.harger.com ® ® ®... -
Page 6: Inspecting Ultraweld Welds
The riser should be higher than the level of the highest conductor. Good Welds www.harger.com www.harger.com www.harger.com ® ®... - Page 7 Bad weld due to gas in the weld. This is usually apparent by the color of the weld which will be lighter in color, the riser will be high with a mushroom top, and there will be pin holes apparent in top of the riser. www.harger.com www.harger.com www.harger.com ®...
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Page 8: Troubleshooting Tips
The above weld cut in half reveals the amount of voids in the weld. These can be caused by contaminates in the mold, conductor or weld metal. Note: A small number pin holes are acceptable, up to 20%. Weld was not closed properly or it was worn out and leaked significantly. Also there is too much slag in the weld. Replace mold if needed. www.harger.com www.harger.com www.harger.com ® ® ®... - Page 9 UltraShot Troubleshooting UltraShot Troubleshooting Tips Tips www.harger.com www.harger.com www.harger.com ® ® ®...
- Page 10 Exothermic Welding Certification ® Training by Harger This training is hands-on and provides your team with understanding of Harger’s Ultraweld exothermic welding process. The tools required to make a connection as well as the inspection process, safety and troubleshooting are also discussed.