20
Insufficient
Vacuum
System too
small
Use larger system Operator
Inlet piping too
long or too
small.
Increase pipe diameter to
reduce pressure loss in inlet
piping. Contact Airtech for
assistance in determining
correct pipe size.
Operator
Leak at
connection to
vacuum
system.
Check for leaks and repair if
necessary.
Operator
Operating
liquid flow too
low.
Check flow of water through the
clear hoses. Remove any
clogs or contamination.
Operator
Operating
liquid too
warm
Cooling fins of unit clogged.
Clean with compressed air as
described in the Maintenance
chart.
Operator
Inlet filter
clogged.
Change filter element; remove
clog.
Operator
Vacuum relief
valve
incorrectly set.
Close vacuum relief valve
located on the pump in some
units. Contact Airtech for
assistance.
Operator
Liquid water
being
expelled from
separator
Baffles not
installed.
Check installation of baffles in
the operating liquid sump by
removing the baffle cover plate
and physically verifying their
installation.
Operator
Build up of
water in the
operating
liquid sump.
Check sump level and remove
obstructions from drain. Drain
water off of sump to
recommended level.
Operator
Abnormal
screeching
noise
Pump is
operating in
cavitation
range.
Check cavitation protection
connection and hose for
clogging.
Operator
For additional assistance, please contact Airtech, Inc., 150 South Van Brunt
Street, Englewood, NJ, 07631. Phone 1-201-569-1173 or via fax at 201-569-
1696.
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