EXTENSION CORDS:
Use only a 3-wire extension cord that has
a 3-blade grounding plug, and a 3-slot
receptacle that will accept the plug on the
product, Make sure your extension cord
is in good condition. When using an
extension cord, be sure to use one heavy
enough to carry the current that your
product will draw. For lengths less than
50 feet, 16 AWG extension cords should
be used. An under-sized cord will cause a
drop in line voltage resulting in loss of
power and overheating.
ELECTRIC MOTOR CONNECTION
Refer to the motor nameplate for wiring
diagram. If the motor fails to start or
slows down under load, shut the pump off
and unplug it. Check that the supply
voltage agrees with the motor nameplate.
Be sure the 3-phase motor turns in the
proper direction of rotation after
installation. Turning in the wrong direction
will drastically reduce vane life, result in
overheating and cause unit damage.
OPERATION
Solid or liquid material exiting the unit can
cause eye or skin damage. Keep away
from air stream.
WARNING
Some models are equipped
with glass jars. Proper
measures should be taken
to guard against the
fragmenting of breaking
glass if an alternate material
is not used. If hazard is
ignored, severe personal
injury of death can occur.
WARNING
Always disconnect the
power before servicing.
The motor may be thermally
protected and will restart
automatically when it cools
if the thermal protection
switch is tripped.
WARNING
Pump surfaces can become
very hot during operation.
Do not touch these surfaces
until unit has been shut off
and allowed to cool.
WARNING
Do not operate without both
the coupling guard and
shroud in place. Failure to
do so could result in severe
personal injury.
CAUTION
Do not operate units above
recommended pressures
or vacuum duties. To do so
will damage the unit.
Starting
If the pump is extremely cold, let it warm
up to room temperature before starting. If
the pump does not operate property, see
the Troubleshooting Guide.
WARNING
Some models may exceed
85 dB(A). When in close
proximity to these models,
hearing protection is
required.
INSPECTION AND MAINTENANCE
Regular inspection can prevent
unnecessary damage and repairs. The
intake and exhaust filters require periodic
inspection and replacement. Initial
inspection is suggested at 500 hours,
then the user should determine the
frequency. Keeping filters clean can
prevent most problems. Dirty filters
decrease pump performance and can
diminish pump service life.
FILTER
INSPECTION / REPLACEMENT
The unit may become very hot during
operation. Do not touch until the pump
has been turned off and allowed to cool.