22
insert a flat blade screwdriver. Then use two screwdrivers on opposite sides of the
tube plug to carefully work it out of the membrane housing. Avoid gouging or
damaging the membrane housing or the tube plug.
B.
If the membrane tube plug remains in the check valve plate, use a thin edge and/or
flat blade screwdrivers, on opposite sides of the membrane tube plug, to carefully pry
the plug out of the check valve plate. Avoid damaging the membrane tube plug.
10.
Disassemble the valves in the check
valve plate (see
Figure R-5
.) Use a
5/8" open end wrench to unscrew
the intake valve seat. Remove the
intake poppet valve and its spring. If
necessary, use needle-nosed pliers to
remove the poppet valve retainer.
Then use the pliers to lift out the reject
poppet valve and its seat. Grip the x-
shaped ribs of the reject poppet valve
and pull straight up. The seat will be
pulled out along with the valve. After
the reject poppet valve and its seat
have been removed, retrieve the
reject poppet valve spring from the
bottom of the check valve plate cavity.
This completes the disassembly of all user-
serviceable parts of the Katadyn
PowerSurvivor 40E
watermaker
.
Reassembly
:
Before you begin reassembly of the watermaker, clean all parts using clean, lint-free
rags. At this time, all parts should be carefully inspected for wear or damage. Use a 10x magnifier
or loupe to examine the seals, o-rings and other small parts. Stubborn rust stains and other deposits
on metal parts can be cleaned with a soft-metal wire brush (e.g., stainless steel or brass). Do
not
use
polishes, cleaning compounds containing abrasive materials, or regular steel wire brushes. During
reassembly, refer to
Figures A-3
and
A-4
in the
Appendix
for full-size drawings and identification of
the components included in the Repair Seal Kit.
In the following procedure for reassembling the watermaker, it is assumed that all parts have been
cleaned and that all o-rings, seals, and mating surfaces have been lightly lubricated with non-
petroleum silicone grease (supplied with the Repair Seal Kit). References to the Repair Seal Kit will be
abbreviated to “RSK.”
Warning:
Use only non-petroleum silicone grease to lubricate your watermaker. Lubricants with
a petroleum base will damage several watermaker components, including the reverse osmosis
membrane. Be especially cautious of lubricants that “contain” teflon, silicone, etc. — such
products could also contain petroleum-based components. An ample supply of silicone grease is
included with each
RSK
.
1.
Make a note of the correct orientation of the old cup ring and PIP seal and then remove them
from the piston assembly. Since these components are made of rather stiff rubber, it is usually
easier to cut them off. Use a small screwdriver to wedge under the cup seal and pry it up.
While holding it up, cut it with a small pair of scissors. Repeat this process for the PIP ring.
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