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OFW Procedures

This guide outlines essential procedures for the safe start-up and shutdown of an oxygen-acetylene torch. It emphasizes the importance of pre-start inspections including mental readiness, ventilation checks, and visual inspections of equipment. Detailed instructions cover the proper preparation of materials, selection of torch tips, gas regulator settings, and safe lighting techniques to achieve a neutral flame. The shutdown process includes safely turning off the torch, bleeding hoses, and ensuring all equipment is returned to its proper place while maintaining a clean workspace.

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OFW Procedures

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  1. OFW Procedures

  2. Start up • Mentally Inspect yourself • Turn Ventilation system on • Visual Inspection • Inspect all hoses and connections for cracks or leaks. • Inspect regulators • Inspect the torch body • Inspect the torch tip

  3. Start up Cont. • Prepare all metal to be able to complete the assigned task • Select the appropriate tip • OO for butt joint and outside corner • O for laps and Tees

  4. Start up Cont. • Turn on the main valves for the regulators.(make sure T-screw is backed off) • Oxygen is opened all the way • Acetylene is opened ¾ of a turn.

  5. Start Up Cont. • Set regulators to appropriate setting • Oxygen is 20 psi • Acetylene is 7 psi

  6. Lighting Torch • Open Acetylene torch valve 1/16th to 1/8thof a turn. • Light with a striker • Adjust Acetylene flame to the point where the black smoke just starts to disappear. • Open Oxygen torch valve slowly until you obtain a neutral flame.

  7. Shut Down • Turn off torch by shutting off Acetylene first, and then Oxygen at the torch • Cool down all hot metal • Turn off Main valves.

  8. Shut Down Cont. • Bleed out hoses by opening the torch until regulator reads Zero then close them again. • Back of T-Screw • Remove tip and place back in tray on the table.

  9. Shut Down Cont. • Clean the rest of the area and return all tools and equipment to its proper place. • Shut off the ventilation system.

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