Installing Regulators On Cylinders - Hobart 770 500 Owner's Manual

6-2. Installing Regulators On Cylinders

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Use only acetylene or propane
!
gas and oxygen with this
equipment.
Do not slightly open or
!
"crack" fuel cylinder valve to
blow debris from the valve
outlet. Remove the debris us-
ing nitrogen, air, or a clean
oil-free rag.
Do not use petroleum-based
!
pipe sealants.
Do not handle oxygen regulat-
!
ors with oily hands and never
apply oil to any part of an oxy-
gen regulator.
NOTICE − Do not use cylinder ad-
aptors to connect regulators to cylin-
ders. Regulators have CGA con-
nections (manufactured to stan-
dards of the Compressed Gas As-
sociation) which allow the regula-
tor to only be installed on the appro-
priate cylinder valve for the inten-
ded gas.
.
Brass to brass connections gen-
erally do not require pipe seal-
ant.
1 Oxygen Regulator
(Green Label)
2 Fuel Regulator
(Red Label)
Install the two-piece fitting of the
oxygen regulator (green) on the cor-
responding fitting on the oxygen
cylinder. The oxygen cylinder has
right-hand (clockwise) threads. Use
wrench to tighten hex nut.
Install the two-piece fitting of the fuel
regulator (red) on the fuel cylinder
(acetylene or propane only). The fuel
cylinder has right-hand (clockwise)
threads. Use wrench to tighten hex
nut.
.
Contact the gas supplier if the
regulator fittings do not match
the cylinder fittings.
3 Working Pressure Gauge
4 Cylinder Pressure Gauge
Each regulator has two gauges. The
gauge closest to the cylinder shows
the pressure in the cylinder. The
other gauge shows the outlet pres-
sure going to the torch handle.
Tools Needed:
1 in.
Pipe Sealant
161-028 / 044