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<strong>13.</strong> ...before pressurizing the tank with about 5 psi of air. While filled with air, soapy water was dropped over the newly welded areas to check for leaks. If it bubbled, we'd have to go back and fix the weld until the tank was airtight.
Petcock Relocation - Tech

 13. ...before pressurizing the tank with about 5 psi of air. While filled with air, soapy water was dropped over the newly welded areas to check for leaks. If it bubbled, we'd have to go back and fix the weld until the tank was airtight.  View Related Article

 

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