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Opening The Vessel (contd...)
2. Remove the 4” retaining ring from the stainless steel
groove in the shell by rotating your finger behind the
ring as it continues to exit the groove.
2. Remove and discard plug seal, taking care not
to scratch or otherwise damage the sealing
surfaces.
3. Repeat above procedures for opposite end of the
vessel.
4. As soon as possible after removal, disassemble
and check all head components, as described in
Rebuilding the Head and Refurbishing Parts.
Removal of Retaining Ring
3. Once the retaining ring has been removed, examine
the area for burrs or dings which could damage the
head or membrane. If necessary, use ScotchBrite
TM
or 600 grade sandpaper to smooth the area.
Removing Head Assembly
1. Grasp the feed/concentrate port and pull the nece-
ssary head assembly straight out. It may be required
to give a sharp forceful tug or to rock the head from
side to side in order to move the head. Take care to
avoid damaging the permeate port. It is made of PVC
or other engineering thermoplastic (occasionally
stainless steel or other metal) and is not designed to
withstand mistreatment.
Removal of Head Assembly
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