1. Air fitting
• Install 1/4 NPT quick-disconnect nipple
on to air fitting. Use liquid pipe sealant.
CAUTION: Never use Teflon tape when
installing the nipple or adapters. Bits of
tape can break off and enter the air line
and harm the pressure regulator, pressure
switch and valve.
• Nipple is found in the consumables box,
located on the left side of the power
supply cover.
2. Air hose
• Use an inert gas hose with a 3/8 inch
(9.5 mm) internal diameter and a 1/4
NPT quick-disconnect coupler. Connect
it to the nipple installed in step 1.
Adjust the air pressure according to the
procedure in Section 4.
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