Opening The Vessel; Opening The Vessel: Removing The Head - Pentair CODELINE 40E30N User Manual

Opening the vessel

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 vessel as
follows:
1. Remove contaminants using a small wire
brush or suitable abrasive (such as medium-
grade ScotchBrite
2. Flush away loosened deposits with clean
water.
Cleaning inside the vessel
Removing the head
40E30N head assembly is shown in Figure 1 at
page 3
Remove head as follows:
Disconnect permeate piping and the feet
concentrate piping
1. Disconnect permeate piping as required at
nearest convenient joint, being careful not
to place undue stress on the threaded
connections of the plastic permeate port(s)
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
TM
).
CAUTION: DO NOT tap on fittings as this
could damage the ports.
best accomplished by using
Removal Tool, part number 50303, which
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
being careful to avoid any contamination of
a membrane element.
Retaining ring removal tool
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.
2. Remove the 4" retaining ring from the
stainless steel groove in the shell by rotating
Codeline
TM 0TM
or WD4 ,
4