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Section 2 - Paint Hog Systems
Filtered Air
Unfiltered dried and cooled air is treated again by
three filter/driers mounted on the passenger side
of the chassis below the rear deck. The filter bowls
are equipped with drain valve that automatically
drain accumulated water from the bowl. A petcock
on the bottom of the large drier filter bowl must
be checked daily to be certain that it is allowing
accumulated moisture to drain.
Treated, filtered air is used to pressurize the bead
and paint tanks and activate pneumatic valves
used on the spray guns and carriages. A moisture
separating filter at the bead tank provides addi
-
tional filtering and drying for the air that pressur
-
izes the bead tank.
Pressure regulator valves in the rear control con-
sole are used to set the pressure in the paint and
bead tanks. Switches in the gun control panels
control the pneumatic valves that turn the paint
and bead spray nozzles on or off.
A service air chuck mounted in the rear control
station provides a treated air connection for air
tools or a pressurized air hose.
Beads absorb water and could clog the delivery
system if they are exposed to moisture. Moisture
will also damage solenoid activated control valves
and pneumatic cylinders if it is not removed. So it
is important to check the drier and filter automatic
drains frequently to make sure they are operating
properly to ensure no moisture gets into sensitive
pneumatic components.
Filtered Air Oiler
An oiler next to the filter driers below the rear
control station injects oil into the filtered, dried air
supplied to the lift cylinders for the carriages and
pointer, carriage lock mechanism and gun nozzle
solenoids and valves. This provides lubrication to
these components and increases their service life.
The oiler is equipped with an oil reservoir that
should be checked weekly and filled as required. A
knob on top of the oiler allows operators to adjust
the volume of oil injected if necessary.
A sight gauge on the side of the reservoir bowl
provides a means to monitor the oil level. The
bowl must be removed to add oil.
Bead Tank Moisture Separating Filter
Typical Compressed Air Oiler
Typical Filter/Driers & Oiler Below Rear Control Station
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