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SECTION 6 – OPERATION
6-1.
Purging Oxygen From The System And Adjusting Oxygen Pressure
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Inspect all equipment before use.
Do not use damaged, defective, or improperly adjusted welding and cutting equipment. Make sure levers and valves work properly, threads on equipment are clean
(no grease or oil) and not deformed, gauges are intact and easy to read, regulator is clean and free of oil or dirt, and fittings are properly sized for the cylinder. Make sure hoses are clean (no grease or oil). Be sure all connections are tight and there are no leaks in the system.
Always purge gas from the system before lighting torch to prevent a possible mixed-gas explosion.
Purge gas in a well ventilated area and away from flame or sparks.
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See Section 4 for oxygen and fuel pres-
sure recommendations.
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Purge fuel from the system according
Purging Oxygen And Setting Oxygen
Pressure
1 Oxygen Cylinder Valve
2 Torch Handle Oxygen Valve
3 Preheat Oxygen Valve
4 Oxygen Regulator Adjustment Handle
Step 1.
Slowly open the oxygen cylinder valve until valve is fully open.
Step 2.
Open oxygen valve on torch 1/4 turn for five to ten seconds. (If using welding attachment, also open preheat oxygen valve.)
While the oxygen is flowing, turn the adjustment handle on the oxygen regulator to helmet weldshield faceshield
Step 3.
Close the oxygen valve and the preheat oxygen valve on the torch handle.
Step 4.
Purge fuel from the system and ad-
just fuel pressure according to Section 6-2.
glasses hairdryer cclamp rpmmeter benchvise popriveter oilcan filtersocket hacksaw snapringpliers linepliers pencil belttensiongauge sealant_1 tape
OM-251341 Page 20 fusepuller mallet scissors pinextractor2
T_allen tip_dress pinextractor (141761) sealant_2
SOAP bar soap pump pliers
Liquid soap Paper Clip
Torx
Needle-Nose Vise Grip
Ground Strap
Thermal Compound
Trowel
Chisel
OM-222 Page 1
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