MANUAL BACKWASH FILTER CLEANING
Manual Blocking valve on inlet
to vacuum cleaner in operating
position.
While vacuum is operating, close
manual blocking valve on inlet
to vacuum cleaner.
Vacuum gauge indicates maximum vacuum at
7”-8” Hg and the vacuum relief valve opens.
Pull handle to the “Backwash”
position which also vents the
vacuum producer. This can
be repeated several times if
necessary.
Push handle back to the
operating
position
and
immediately open the blocking
valve on the vacuum inlet.
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Concrete Polishing Solutions- Cat 5 Pro Vacuum Operator’s Manual