Craftsman 921.166390 Air Compressor User Manual


 
Parts & Features
See figures below for reference.
Air Intake Filter
Provides clean air to the pump and must always
be kept free of debris. Check on a da!ly basis or
before each use.
_!
-- Oil Fill Cap
0 _-- Oil Sight Gauge
Regulator Gauge
J | Indicates the outgoing air pressure to the toot and is
k
controlled by the regulator.
Pressure Relief Tube
Tank Pressure Gauge "_
Indicates the reserve air pressure in the tank.
I
I
_ressure Switch
This controls the power to the motor and also
the cut-in/cut-cut pressure settings. This switch
serves as the Auto-OnfOff positions for the unit,
J
Pressure Relief Valve
The pressure relief valve, located on
the side of the pressure switch, is
designed to automatically release
compressed air when the air
compressor reaches cut-out
pressure. The released air should
on}y escape momentarily and the
valve should then close.
J
Outlet
Tube
!
I Tank Drain Valve
Used to drain condensation from the
air tanK. Located at bottom of tank.
Tank Safety Valve
Used to allow excess tank pressure
to escape into the.atmosphere. This
valve should only open when the
tank pressure is above the
maximum rated pressure.
Regulator
The air pressure coming from the air
tank is controlled by the regulator.
To increase the pressure, turn the
knob clockwise and to decrease the
pressure turn the knob
counterclockwise.
J
Quick Connect 1
Offers a quick release feature Ior attaching and removing the
air hose.
Check Valve nl
When the pump is not in operation, the valve closes to retai
air pressure inside the tank. An internal component.
3