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DESCRIPTION OF OPERATION
Drain Valve (not shown): The drain valve is located at the base of the air tank and
is used to drain condensation at the end of each use.
Motor Thermal Overload Protector (not shown): The electric motor has an
automatic thermal overload protector. If the motor overheats for any reason, the
thermal overload protector will shut off the motor. The motor must be allowed to
cool before restarting.
ON/AUTO - OFF Switch (A)
B
E
Fig. 1: Turn this switch ON to
G
provide automatic power to
the pressure switch and OFF
to remove power at the end
A
of each use.
F
Air Intake Filter (not
shown): This filter is
designed to clean air coming
into the pump. This filter
C
must always be clean and
ventilation openings free from
obstructions. See
D
"Maintenance".
Air Compressor Pump (not
Fig. 1
shown): Compresses air into
the air tank.
Check Valve (not shown): When the air compressor is operating, the check valve
is "open", allowing compressed air to enter the air tank. When the air compressor
reaches "cut-out" pressure, the check valve "closes", allowing air pressure to
remain inside the air tank.
Pressure Release Valve (not shown): The pressure release valve located on the
side of the pressure switch, is designed to automatically release compressed air
from the compressor head and the outlet tube when the air compressor reaches
"cut-out" pressure or is shut off. The pressure release valve allows the motor to
restart freely. When the motor stops running, air will be heard escaping from this
valve for a few seconds. No air should be heard leaking when the motor is running,
or continuous leaking after unit reaches cut-out pressure.
Pressure Switch (B) Fig. 1: The pressure switch automatically starts the motor
when the air tank pressure drops below the factory set "cut-in" pressure. It stops
the motor when the air tank pressure reaches the factory set "cut-out" pressure.
Safety Valve (C) Fig. 1: If the pressure switch does not shut off the air compressor
at its cut-out pressure setting, the safety valve will protect against high pressure by
"popping out" at its factory set pressure (slightly higher than the pressure switch
cut-out setting).
Outlet Pressure Gauge (D) Fig. 1: The outlet pressure gauge indicates the air
pressure available at the outlet side of the regulator. This pressure is controlled by
the regulator and is always less than or equal to the tank pressure. All four outlets
operate at this pressure.
Tank Pressure Gauge (E) Fig. 1: The tank pressure gauge indicates the reserve air
pressure in the tank. The "quadraport" is equipped with an tank pressure gauge to
be read at a remote location.
Regulator (F) Fig. 1: Controls the air pressure shown on the outlet pressure gauge.
Pull the knob out and turn clockwise to increase pressure and counterclockwise to
decrease pressure. When the desired pressure is reached push knob in to lock in
place.
Portable "Quadraport" Control Panel (G) Fig. 1: Permits remote air regulation and
control closer to work area, includes four high-flow industrial/automotive style
compatible quick-connects, large gauges, and a high-flow regulator.
7-ENG
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