3-5
S
ETUP
Operator Manual
Additional Air Filtration
Use a three-stage coalescing filtration system as shown when site conditions introduce moisture, oil or
other contaminants into the air line.
AIR HOSE CONNECTION
Connect the air hose as follows:
From air
supply
To
Powermax350
Water/particle filter Oil filter Oil vapor filter
Figure 3-4 Recommended Three-Stage Air Filtration System
1
2
To Air Supply
Rear Panel
1 Air fitting
• Install 1/4 NPT quick-disconnect
nipple on to air fitting using a 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 in the left side of the power
supply cover.
2 Air hose
• Use a 3/8 inch (9.5 mm) ID inert gas
hose with 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.
Figure 3-5 Air Supply Connection