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GLOSSARY
Air Filter: Porous element contained within a metal
or plastic housing attached to the compressor cylinder
head which removes impurity from the intake air of the
compressor.
Air Tank: Cylindrical component which contains the
compressed air.
Check Valve: Device that prevents compressed air from
flowing back from the air tank to the compressor pump.
Cut-In Pressure: The low pressure at which the motor will
automatically restart.
Cut-Off Pressure: The high pressure at which the motor
will automatically shut off.
Electric Motor: Device which provides the rotational force
necessary to operate the compressor pump.
Manual On/Off Switch: Control which turns the
air compressor on or off. The pressure switch will not
automatically start and control the compressor unless the
manual on/off switch is in the ON ( l ) position.
NPT (National Pipe Thread): National Pipe Thread is a
U.S. standard for tapered (NPT) or straight (NPS) threads used
to join pipes and fittings. A thread sealing tape must be used
to provide a leak-free seal on pipe threaded connections.
Pressure Regulator Knob: Regulates the outgoing
pressure from the air outlet to the tool. It is possible to
increase or decrease the pressure at the outlet by adjusting
this control knob.
Pressure Switch: Automatically controls the on/off cycling
of the compressor. It stops the compressor when the cut-off
pressure in the tank is reached and starts the compressor
when the air pressure drops below the cut-in pressure.
PSI (Pounds Per Square Inch): Measurement of the
pressure exerted by the force of the air. The actual psi
is measured by a pressure gauge on the compressor.
Pump: Produces the compressed air with a
reciprocating piston contained within the cylinder.
Regulator Pressure Gauge (Outlet pressure):
Displays the current line pressure. Line pressure is
adjusted by rotating the pressure regulator knob.
Safety Valve: Prevents air pressure in the air tank
from rising over a predetermined limit.
SCFM (Standard Cubic Feet Per Minute): A unit of
measure of air delivery.
L/min (Liter Per Minute): A unit of measure of air
delivery.
Tank Pressure Gauge: Indicates the pressure in the
air tank.
Thermal Overload Switch: Automatically shuts off
the compressor if the temperature of the electric
motor exceeds a predetermined limit.
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