*Air to the plumbing of your unit should be supplied by hose or pipe
with a minimum of 3/8” I.D. and we strongly suggest ½” I.D.
*Do not attach your air supply to the unit with quick connects, as
this greatly reduces the volume of air to the system and will
adversely affect the units performance.
*For your foot pedal and media valve to operate properly and to
maximize the life of the media valve and diaphragm – air line
pressure supplied to the regulator of the system must be maintained
at a constant 100 – 125 psi. (Note: this pressure is required to close
diaphragm in valve).
STEP 8 – Loading abrasive into pressure-pot
Pour the abrasive media into the pressure pot. Brush excess media into
the vessel to avoid it being sprayed into the air when filling the system
with air. The pressure pot holds up to 100 pounds of media for long
uninterrupted blasting. When reusing any abrasive media, be sure to
use a filter to remove any extraneous materials which could clog the
abrasive metering valve or the sandblast nozzle.
STEP 9 – Filling pressure-pot with air
Grip the pressure pot handle located in the top of the pressure vessel
and lift firmly to secure ball seal in the opening while simultaneously
opening the air inlet ball valve (no. 3) slowly. A swishing sound will
indicate that the vessel is being filled with air. After a few seconds,
the handle will stay in place on its own. If this is not the case, open
the ball valve further to allow the vessel to fully compress.
When the system is fully compressed, the ball valve should be in the
fully opened position. Check your regulator and gauge to assure the
PSI is still at the desired setting. If not, adjust the regulator by turning
the control located on top. Next, make sure that ball valve (no. 5) is in
the “open” position.
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