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Speedaire Operating Instructions and Parts Manual
Speedaire Permanently Lubricated
Twin Cylinder Air Compressor
Operation (Continued)
DRAIN VALVE
The drain valve is located at the base of
the air tank and is used to drain conden-
sation at the end of each use.
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MOTOR THERMAL OVERLOAD
N
PROTECTOR
G
The electric motor has an automatic
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thermal overload protector. If the motor
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overheats for any reason, the thermal
S
overload protector will shut off the
H
motor. The motor must be allowed to
cool before restarting.
ON/AUTO - OFF SWITCH
Turn this switch ON to provide auto-
matic power to the pressure switch and
OFF to remove power at the end of each
use.
AIR INTAKE FILTER
This filter is designed to clean air
coming into the pump. This filter MUST
always be clean and ventilation open-
ings free from obstructions. See
"Maintenance".
Operating Procedures
STARTING
1. Before attaching air hose or
accessories, make sure the
OFF/AUTO lever is set to OFF and
the air regulator is closed. (Turn
counter-clockwise to close.)
2. Attach hose and accessories.
Incorrect use can
cause bursting,
fire or explosion hazards. Carefully
follow steps 3, 5, and 6 each time the
compressor is used.
3. Check manufacturer's maximum
pressure rating for air tools and
accessories. Regulator outlet
pressure must never exceed the
maximum pressure rating.
4. Turn OFF/AUTO lever to AUTO and
allow tank pressure to build. Motor
will stop when tank pressure reaches
"cut-out" pressure.
5. Open regulator by turning it clock-
wise. Adjust the regulator to the
correct pressure setting. Compressor
is now ready for use.
®
6. Always operate air compressor in
well-ventilated areas (free of
gasoline, flammable paint or solvent
vapors). Do not operate the
compressor near a spray area.
STOPPING
1. Set the OFF/AUTO lever to OFF.
2. Turn the regulator counter-clockwise
and set the outlet pressure to zero.
3. Remove air tool or accessory.
4. Open regulator and allow air to
slowly bleed from the tank. Close
regulator when tank pressure is
approximately 20 psi.
5. Drain water from air tank.
drained, water will corrode and
weaken air tank causing a risk of air
tank rupture.
With tank pressure at approximately
20 psi, open the drain valve and tip the
outfit allowing all moisture to drain.
NOTE: If drain valve is plugged, release all
air pressure. Remove valve, clean, then
reinstall valve.
6. After water has been drained, close
drain valve. Air compressor can now
be stored.
Maintenance
power is on. When performing
maintenance, you may be exposed to
voltage sources, compressed air or
moving parts. Before performing any
maintenance or repair, unplug the
power cord and bleed off all air
pressure.
AIR FILTER INSPECTION
NOTE: Keep the air filter clean at all times.
Do not operate the compressor with the
air filter removed. A dirty filter will not
allow the compressor to operate at full
capacity. Before using the compressor,
check the air filter to be sure it is clean. To
remove and clean or replace the foam air
filter:
1. Compress the rear slotted end of each
of the two pins holding filter in place.
2. Pull pin forward releasing the filter
itself.
3. Clean (Wash in mild detergent.)
4. Reinstall a clean filter, place in
position, and push retaining pins into
holes securing filter.
heads are exposed when filter cover is
removed. Allow compressor to cool
prior to servicing.
Water will condense
in air tank. If not
LUBRICATION
Compressor does not require any
lubrication. All metal bearings are
permanently lubricated and the
compression cylinder/piston/ring area is
specifically designed to require no
lubrication.
SAFETY VALVE - INSPECTION
over-pressurization may occur, causing
air tank rupture or an explosion.
Occasionally pull ring on safety valve
to make certain safety valve operates
freely. If the valve is stuck or does not
operate smoothly, replace with the
same type or valve.
MOTOR
Unit cycles auto-
matically when
Motor has an automatic reset thermal
overload protector. If motor overheats for
any reason, overload protector will shut off
motor. Motor must be allowed to cool
down before restarting. Compressor will
automatically re-start after motor cools.
Low voltage may cause:
1. Overload protector to frequently shut
off the motor.
2. Motor not to get up to full power or
speed.
3. Fuses blow out when starting the
motor.
4. Lights dim and remain dim when
motor is started and running.
6
Hot surfaces. Risk of
burn. Compressor
Filter
Figure 4
If safety valve does
not work properly,
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