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Know Your Air Compressor
READ THIS OWNER'S MANUAL AND SAFETY RULES BEFORE OPERATING YOUR UNIT. Compare the illustra-
tions with your unit to familiarize yourself with the location of various controls and adjustments.
Save this manual
for future reference.
Description
of Operation
Become familiar with these controls before operating
the unit.
On/Auto/Off
Switch: Turn this switch ON to provide
automatic power to the pressure switch and OFF to
remove power at the end of each use.
Pressure Switch: 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: 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 high-
er than the pressure switch "cut-out"
setting).
Tank Pressure Gauge:
The tank pressure gauge
indicates the reserve air pressure in the tank.
Globe Valve: Opens and closes air discharge valve.
Turn knob counter-clockwise
to open and clockwise
to close.
Drain Valve: The drain
valve is located at the
base of the air tank and is
used to drain condensa-
tion at the end of each
use.
Cooling
System (not shown): This compressor con-
tains an advanced design cooling system. At the heart
of this cooling system is an engineered fan. It is per-
fectly normal for this fan to blow air through the vent
holes in large amounts. You know that the cooling
system is working when air is being expelled.
Air Compressor
Pump (not shown):
Compresses air
into the air tank. Working air is not available until the
compressor
has raised the air tank pressure above
that required at the air outlet.
Check Valve:
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:
The pressure release valve,
Pressure
Release
located on the side of the
Valve
pressure switch, is designed
to automatically
release com-
pressed air from the com-
pressor head and the outlet
tube when the air compres-
sor reaches "cut-out"
pressure or
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"
pres-
sure.
is shut off. The
Air Intake Filter (not shown) This filter is designed
to clean air coming into the pump. This filter must
always be clean and ventilation openings free from
obstructions.
See "Maintenance".
D21879
10 - ENG
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