Pentair PR AQUA ROTOFILTER Installation And Operation Manual page 38

38
SECTION 9: MAINTENANCE
33. Insert the lower screen panel under the retainer
bar, then insert upper screen. Ensure set screws
are threaded away from screen panel to allow
panel to clear while installing. See Figure 34.
Figure 34. Installing a screen panel
34. Once the panel has cleared the set screws,
thread the screws back out until they keep the
panel in place.
35. Ensure that both panels are centered and
seated into the retainer bar as far as possible.
Tighten the fasteners.
36. Repeat steps 32 through 36 for the front screen
section and remaining sections. It is best to
start at the back of the drum and move forward
when moving to a new section.
37. Adjust the set screws on each section until
they are centered in the tapped flat bar.
See Figure 35.
Figure 35. Centering the set screws
PR Aqua Rotofilter Drum Filter Installation and Operation Manual
™
38. Reinstall the two screen clamps in each section
by pushing the screen clamp angled ends down
onto the screen. Slide the clamps onto the set
screws on the tapped flat bar.
39. Install washers, screen cams, and nylocs on
each end of the screen clamp (use anti-seizing
compound on all fasteners). Using a hex key
wrench, hold the set screw while tightening the
nyloc with an openend wrench. See Figure 36.
Figure 36. Reinstalling the screen clamps
40. Tighten both ends of the clamp evenly, until
you have equal spacing between the screen
clamp and the flat bar, and the screen panel is
compressing the gasket by approximately 0.32
centimeters (0.125 inches).
41. Ensure the screen cams are rotated until tight.
42. Rotate the drum to a new section. Repeat steps
38 through 40 for remaining sections.
43. Replace the Rotofilter lid.