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Oilless Compressors
Operation
(Continued)
from tank(s) by opening the drain
petcock located underneath the tank.
LUBRICATION
This is an oilless product and DOES
NOT require lubrication to operate.
BREAK-IN PROCEDURE
Do not attach air
CAUTION
!
chuck or other tool
to open end of hose until start-up has
been completed and unit checks OK.
IMPORTANT: Do not operate
compressor before reading instructions
or damage may result.
1. Turn regulator fully clockwise to
open air flow.
2. Turn switch or knob to OFF position
and plug in power cord.
3. Turn switch or knob to AUTO
position and run unit for 30 minutes
to break in the pump parts.
4. Turn regulator knob fully
counterclockwise. Compressor will
build to maximum preset pressure
and shut off.
MOISTURE IN COMPRESSED AIR
Moisture in compressed air will
form into droplets as it comes from
an air compressor pump. When
humidity is high or when a
compressor is in continuous use for
an extended period of time, this
moisture will collect in the tank.
When using a paint spray or
sandblast gun, this water will be
carried from the tank through the
hose, and out of the gun as
droplets mixed with the spray
material.
IMPORTANT: This condensation
will cause water spots in a paint
job, especially when spraying other
than water based paints. If
sandblasting, it will cause the sand
to cake and clog the gun,
rendering it ineffective. A filter in
the air line (MP3105), located as
near to the gun as possible, will
help eliminate this moisture.
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Discharge Tube
(Opposite Side)
Handle
Figure 4 - Unit identification
Figure 5 - Pressure Switch
5. Turn regulator knob clockwise to
cause air to bleed off. Compressor
will restart at a preset pressure.
6. Turn regulator knob
counterclockwise to shut off the air
and turn switch to Off position.
7. Attach chuck or other tool to open
end of hose. Turn the regulator on.
In the AUTO position, the compressor
pumps air into the tank. It shuts off
automatically when unit reaches its
maximum preset pressure. In the OFF
position, the pressure switch cannot
function and the compressor will not
operate. This switch should be in the
OFF position when connecting or
disconnecting the power cord from the
electrical outlet.
ASME SAFETY VALVE
Do not remove or
WARNING
!
attempt to adjust
the safety valve!
This valve should be checked under
pressure occasionally by pulling the ring
by hand. If air leaks after ring has been
4
Check Valve
(Opposite Side)
Safety
Valve
Drain
Petcock
released, or valve is stuck and cannot be
actuated by ring, it MUST be replaced.
Off
Auto
Figure 6
REGULATOR KNOB
1. This knob controls air pressure to an
air operated tool, or paint spray gun.
2. Turning knob clockwise increases air
pressure at outlet.
3. Turning counterclockwise will lower
air pressure at outlet.
4. Fully counterclockwise will shut off
flow of air completely.
Pressure Switch
Regulator
Safety
Valve
Figure 7
OUTLET PRESSURE GAUGE
1. This gauge shows at-a-glance, air
pressure at outlet. Air pressure is
measured in pounds per square inch
(psi).
2. Be sure this gauge reads ZERO before
changing air tools or disconnecting
hose from outlet.
Pressure
Switch
Regulator
Air Hose
Attachment
Tank
Pressure
Gauge
Outlet
Pressure
Gauge
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