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OFW Procedures - PowerPoint PPT Presentation


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OFW Procedures. 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. Start up Cont.

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Presentation Transcript
ofw procedures
OFW

Procedures

start up
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
start up cont
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
start up cont1
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.
start up cont2
Start Up Cont.
  • Set regulators to appropriate setting
    • Oxygen is 20 psi
    • Acetylene is 7 psi
lighting torch
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.
shut down
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.
shut down cont
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.
shut down cont1
Shut Down Cont.
  • Clean the rest of the area and return all tools and equipment to its proper place.
  • Shut off the ventilation system.