Test Procedures for Victor Welding Torches

Important Notes

  1. Test with oil-free air or dry nitrogen only.
  2. Always wear eye protection while testing.
  1. Attach the hoses to the welding torch.

  2. Remove the fuel control valve stem assembly.

  3. Install a mixer blank and nut or cone end blank and nut to the torch head, assuring the test gas cannot pass from the fuel side to the oxygen side of the torch head.

  4. Pressurize the oxygen side of the torch to 40 PSIG for Victor models J-27, J-50, or J-40 and to 80 PSIG for all other Victor torches.

  5. Submerse the torch in water.

  6. Open the oxygen control valve.

    1. If there is an internal leak, bubbles will come through the fuel valve body.
    2. There should be no leakage past the packing in the valve stem assembly in five (5) seconds.  Tighten the packing nut until it requires 1-1/4 in. 2 in. lbs. of torque to adjust the valves.

  7. Close the oxygen control valve (use 7-8 in. lbs. of torque).

  8. Install the fuel control valve.

  9. Pressurize the fuel side to 40 PSIG for Victor models J-27, J-50, or J-40 and to 80 PSIG for all other Victor torches.

  10. Submerse the torch in water.

  11. Open the fuel control valve.

    1. There should be no leakage past the packing in the valve stem assembly in five (5) seconds.  Tighten the packing nut until it requires 1-1/4 to 2 in. lbs. of torque to adjust the valves.
    2. Check for external leaks around the connections

  12. Close the fuel control valve.  Use 7 or 8 in. lbs. of torque.

  13. Remove the mixer blank from the torch head.  There should be no leakage through the control valve in five (5) seconds.  If there is a leak, bubbles will come through the head.

  14. Release the air pressure from both sides of the torch.

  15. Install a mixer blank with the small seating surface removed in the torch head.  Testing gas must be permitted to pass from the fuel side to the oxygen side in the head.

  16. Open the fuel control valve.

  17. Remove the fuel hose from the pressure source.

  18. Apply 2 PSIG to the oxygen valve.

  19. Open the oxygen control valve.  Hold the loose end of the hose under water for 10 seconds.  If the check valve leaks, bubbles will come from the open end of the hose.

  20. Turn off the pressure to the oxygen side.

  21. Remove the oxygen hose from the pressure source.

  22. Attach the fuel hose to the pressure source.

  23. Apply 2 PSIG to the fuel valve.

  24. With the oxygen control valve still open, hold the loose end of the hose under water for 10 seconds.  If the check valve leaks, bubbles will come from the open end of the hose.

  25. Release the pressure from the fuel side.

  26. Close both control valves.

  27. Remove the hoses and head plug from the torch.

©1984 by Victor Equipment Company

CAUTION: Welding apparatus that is improperly maintained or repaired can be dangerous.  Some parts and accessories from one manufacturer may fit apparatus from other manufacturers, but the assembly may not conform to the standards of either manufacturer.  For your own safety, specify and use parts and attachments from only one manufacturer in any assembly according to that manufacturer's specifications.

Service and repair of welding apparatus should be performed only by a qualified repair technician.  Improper service or repair, or modification of a product could result in damage to the product or injury to the operator.

DISCLAIMER
Information contained herein is offered without charge for use by technically qualified personnel at their discretion and risk. All statements, technical information and recommendations contained herein are based on tests and data which we believe to be reliable, but the accuracy or completeness thereof Is not guaranteed and no warranty of any kind Is made with respect thereto. This Information Is not Intended as a license to operate under or a recommendation to practice or Infringe any patent of Argyle Welding Supply or others covering any process, composition of matter or use. Since Argyle Welding Supply shall have no control of the use of the information described herein, Argyle Welding Supply assumes no liability for loss, damage, or personal injury Incurred from the proper or Improper use of such product.