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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.
This compressor cut-in pressure is 125 ± 5 PSI.
Cut-Off Pressure
The high pressure at which the motor will automatically shut off.
This compressor cut-off pressure is 155 ± 5 PSI.
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.
Summary of Contents for H1504ST2
Page 18: ...18 Service Parts PARTS DIAGRAM...
