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Craftsman 919.167790 Manual Del Usuario página 10

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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).
Outlet Pressure Gauge: The outlet pressure gauge
indicates the air pressure available at the outlet side
of the regulator. This pressure is controlled by the reg-
ulator and is always less than or equal to the tank
pressure.
Tank Pressure Gauge: The tank pressure gauge
indicates the reserve air pressure in the tank.
Regulator: 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.
Pressure
Switch
Regulator
Outlet
Pressure Gauge
D24305
OPERATION
On/Auto/Off
Switch
Safety Valve
Tank
Pressure Gauge
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", allow-
ing compressed air to
enter the air tank.
When the air com-
pressor reaches "cut-
out" pressure, the
check valve "closes",
allowing air pressure
to remain inside the
air tank.
Pressure Release Valve: 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 run-
ning, or continuous leaking after unit reaches "cut-
out" pressure.
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".
10 - ENG
Drain
Valve
Pressure
Release
Valve
Check Valve

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919.16779-ca