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This valve should be
checked under
pressure occasionally
by pulling the ring by
hand. If air leaks after
ring has been released,
or valve is stuck and cannot be actuated
by ring, it MUST be replaced.
REGULATOR KNOB
1. This knob controls air pressure to an
air operated tool, or paint spray gun.
2. Turn switch to OFF position and plug
in power cord.
3. Turn switch 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.
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
attempt to adjust
the safety valve!
4
Operating Instructions
Oilless Compressors
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.
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.
TANK PRESSURE GAUGE
Gauge shows pressure in tank
indicating compressor is building
pressure properly.
Disconnect power
source then release all
pressure from the
system before
attempting to install, service, relocate
or perform any maintenance.
The compressor should be checked
often for any visible problems and the
following maintenance procedures
should be performed each time the
compressor is used.
1. Pull ring on safety valve and allow it
to snap back to normal position.
Safety valve must
be replaced if it
cannot be actuated or it leaks air after
ring is released.
2. With compressor shut off and
pressure released: Drain moisture
from tank by opening drain cock
underneath tank (See Figure 5).
3. Turn power OFF and clean dust and
dirt from motor, tank, air lines and
pump cooling fins.
IMPORTANT: Unit should be located as
far from spraying area as hose will
allow to prevent over-spray from
clogging filter.
AIR FILTER
Check air filter to be sure it is clean. To
service a filter, remove the filter
housing cover. Remove filter and clean
in hot, soapy water (Paper filters
cannot be washed). Rinse and let dry.
Replace air filters that cannot be
cleaned. Place filter back in the housing
base. Replace cover.
LUBRICATION
This is an oilless type compressor
requiring no lubrication.
THERMAL OVERLOAD PROTECTOR
This compressor is
equipped with an
automatic reset thermal overload
protector which will shut off motor if it
becomes overheated.
If thermal overload protector shuts
motor OFF frequently look for the
following causes
1. Low voltage
2. Clogged air filter
3. Lack of proper ventilation
If the thermal
overload protector
is actuated, the motor must be allowed
to cool down before start-up is pos- sible.
The motor will automatically restart
without warning if left plugged into
electrical outlet and unit is turned on.
TORQUE REQUIREMENTS
Connecting rod bolt . . . . . . . . 20 in. Ibs.
Compressor hd. bolts. . . 100-110 in. Ibs.
Motor bolts . . . . . . . . . . . . . . . 35 in. Ibs.
Mounting bolts . . . . . . . . . . . . 90 in. Ibs.
STORAGE
1. When not in use, store hose and
compressor in a cool, dry place.
2. Drain tank of moisture
3. Disconnect hose and hang open ends
down to allow any moisture to drain.
Off
Auto
Figure 3
Figure 5
Operation (Con’t.)
Maintenance
Figure 4