Operating Oxy-Acetylene Torch

First, before you attempt to light the torch follow the follow these checks:

  1. Make sure regulator pressure adjustment screws are backed out!

  2. Make sure torch valves are closed!

  3. Stand away from front of regulator.

  4. Separately and slowly open the oxygen and acetylene cylinder valves.

  5. Adjust regulator p/a screws to tip pressure settings.

  6. Open/close torch valves separately and fine tune pressure settings on regulators.

  7. Depress cutting lever and adjust pressure if necessary.

Lighting and adjusting the torch (with a positive/equal pressure mixer)

  1. Separately purge both oxygen and fuel gas lines.

  2. Open fuel gas valve 1/2 turn.

  3. Ignite flame with striker.

  4. Increase fuel gas flow until flame leaves end of tip and no smoke is present.

  5. Decrease until flame goes back to tip.

  6. Open oxygen valve and adjust to neutral flame.

  7. Depress oxygen lever and make necessary adjustments.

Shutting down the torch (with positive/equal pressure mixer)

  1. Close oxygen torch valve.

  2. Close fuel gas torch valve.

If the torch /regulators and gases are done being used for a while, follow these procedures.

  1. Close oxygen and fuel gas cylinder valves.

  2. Separately purge oxygen and fuel gas lines.

  3. Make sure all regulator gauges read 0.

  4. Back out regulator pressure adjustment screws!

  5. If you are using in a commercial environment, report any damage, etc. to your supervisor.

REF: HARRIS, A LINCOLN ELECTRIC COMPANY.