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WARNING
Relieve pressure from vessel
before beginning this procedure.
Contamination Removal
Metal oxidation products and mineral deposits can
interfere with vessel disassembly. Remove all
foreign matter from both ends of vessels as follows:
1. Remove contaminants using a small wire-brush
or suitable abrasive (such as medium-grade
TM
ScotchBrite
)
Cleaning inside the vessel
2. Flush away loosened deposits with clean water.
Removing the Head
The head assembly is shown in figure 1, pg 2.
Remove head as follows:
Disconnect Permeate Piping
1. Disconnect permeate piping as required at nearest
convenient joint, being careful not to place undue
stress on the threaded connections in the plastic
permeate port.
CAUTION
DO NOT tap on fittings as
this could damage the ports.
Distributed by Applied Membranes, Inc. | www.appliedmembranes.com | (760) 727-3711 | USA
Opening The Vessel
Remove the Retaining Ring from the groove
1. Lift the tabbed end of the retaining ring up and out
of the stainless steel groove in the shell and then
away from the head so that it rests in the end margin
of the vessel. This is best accomplished by using
CodeLine
is available from your supplier. This can also be
accomplished using a screwdriver and a pair of pliers
if the tool is not readily available.
With the removal tool the retaining ring can be
lifted upward by simply rotating the tool
counterclockwise after inserting it over the tab on
the retaining ring (Use the smaller hole). Hold the
tool flat against the end margin and parallel to the
vessel bore. It is then possible to pull the end of the
retaining ring straight out. The retaining ring may
snap back into the groove if this alignment is not
closely adhered to. If the retaining ring is difficult
to remove, try soaking with a release agent such as
LPS
contamination of a membrane element.
When using screwdriver and pliers, pry the tabbed
end of the retaining ring out of the stainless steel
groove with the tip of the screwdriver. Once the end
of the retaining ring is clear of the groove, grab the
tab with the pliers and pull towards the end of the
vessel until the end of the ring is resting in the end
margin of the shell.
®
Removal Tool, part number 50303, which
TM
0TM
or WD4
, being careful to avoid any
Retaining Ring Removal Tool
Page 3 of 10
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