Page 9 of 10
NOTE
Minor dings or scratches on hard anodized
aluminium surfaces may be temporarily
protected with epoxy paint. However, since
catastrophic failure can result if corrosion
occurs, damaged parts should be replaced
with new ones as soon as possible.
Head Assembly (Contd...)
4. Hold Bearing Plate with the 3
½
” diameter stepped
surface facing towards you. From this side, insert the
smaller machined end of the stainless steel Feed/
Concentrate Port through the larger outer hole.
5. Holding the port in place, install the Port Retainer
set into the groove in the machined end of the port.
Pull port back until retaining ring set bottoms in
the Bearing Plate recess.
Installing of F/C Port & Port Retainer set
Installing Permeate Port into the Sealing plate
8. Snap the Retaining ring into the groove in the
Permeate Port, up against the face of the Bearing
Plate.
9. Examine the assembly to ensure that the mating faces
of the Sealing and Bearing Plate are in complete contact.
If they are not, dis-sassemble the head and start over.
NOTE
The 1/8” blind hole in one surface of the
Sealing Plate must be on the side facing
away from the Bearing Plate.
6. Holding the Bearing Plate and Feed/Concentrate
Port firmly together, press the Sealing Plate on to the
machined end of the Feed/Concentrate Port so that
the two pairs of holes line up.
7. Assemble the Permeate Port through the center hole
in the Sealing Plate, align the Permeate port pin with
the Sealing Plate alignment hole and press fully into
position.
Installing the Bearing Plate and Sealing Plate
10. When head is correctly assembled, insert the Plug
Seal O-ring into the groove on the outside diameter
of the Seal Plate.
11. Protect heads from contamination until ready to
assemble into the vessel(s).
Refurbishing Parts
Plastic parts: examine for cracking, softening or discoloring.
This may indicate chemical attack of the material. Defective
parts must be replaced. Alternate materials may be required.
Contact your supplier or Pentair Water for assistance
Metal parts: check for corrosion, scratches, dents, cracks or
other damage to insert ring and spiral retaining ring.
Carefully inspect each component for any damage that
could affect structural strength or sealing properties. The
following examples show some of the situations in which
parts should be replaced.
Bearing Plate - hard-anodized surface removed at any
point or corroded
Sealing Plate - cracked, softened or distorted
Feed/Concentrate Port - bent or distorted
Permeate Port - cracked, softened or thread damaged
Retaining Ring - chipped, scratched, corroded or bent
Port Retainer - bent or damaged
Distributed by Applied Membranes, Inc. | www.appliedmembranes.com | (760) 727-3711 | USA
