12
5 U.S. GALLONS (18.9 L) AIR COMPRESSOR 058-9308-0
Safety relief valve
This valve automatically gets activated if the compressor does not shut down automatically due to
high pressure in the air tank. To operate manually, pull the relief valve ring to relieve air pressure in
the tank.
Tank pressure gauge
The gauge indicates the pressure level of stored air in the air tank. It cannot be adjusted manually.
Thermal overload protector
This protector will automatically turn OFF the compressor if the temperature of the electric motor
exceeds a predetermined limit. If the thermal overload protector is activated, the motor must be
allowed to cool down before starting.
Outlet pressure gauge
The gauge is used to measure the regulated pressure at the air line outlet.
Effects of moisture in compressed air
Moisture in compressed air will form droplets when passing through the pump. When humidity is high
or when a compressor is in continuous use for an extended period of time, this moisture gets collected
in the air tank. If the compressor is connected to air tools for spraying applications, this water will flow
from the tank through the hose and outside the gun as droplets mixed with the spray material.
In paint spray application, water spots will be formed on painting surface due to condensation. In
sandblasting application, sand clumps will form and clog the gun, thereby causing the gun to be
ineffective.
Note: To reduce the moisture in compressed air, place a filter near the gun.
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