any type and clean, if necessary. Clean in accor-
dance with the KMDSI cleaning instructions. If
corrosion is present, clean using the acidic solu-
tion as outlined in the KMDSI cleaning proce-
dures.
4) Inspect the seat, wiper, O-ring, poppet O-ring
and poppet for wear, replace if necessary. Note:
If removing or replacing the wiper, be certain to
note whether it is located on the seat. Be sure
each part is clean and all components are lightly
lubricated with the appropriate lubricant.
A repair kit is available for replacement parts,
(Part #525-330). This one-way valve kit is also in-
cluded in all the standard helmet and BandMask
soft goods kits. All O-rings should be replaced
during normal/annual overhauls.
5) Be careful to wipe the poppet and poppet
O-ring thoroughly, removing nearly all silicone
to prevent foreign materials from sticking to
these components.
6) Replace the spring.
1.1.2 Reassembly of the One Way Valve
1) Slide the new O-ring over the poppet.
2) Insert the new spring into the valve body, fol-
lowed by the poppet.
Note the position of the wiper.
3) Next, install the new wiper and new O-ring on
the seat. Thread the seat into the valve body.
4) Torque the seat with a torque wrench
while holding the body in a soft jaw
vise or wrench. See Appendix Contents,
Torque Specs on page APNDX-19 .
Torque the one-way valve (non-return) into the
sideblock with a torque wrench. See Appendix
Contents, Torque Specs on page APNDX-19.
5) If the adapter has been removed, it must be
cleaned and wrapped with Teflon
®
tape before re-
installing.
B
WARNING
Do not allow any Teflon
®
tape to cover
the end of the adapter, or to enter the
one-way valve. Loose pieces of Tef-
lon
®
tape can interfere with the per-
formance of the one-way valve or the
regulator and may block the diver’s
air supply. This could lead to death
through suffocation.
Correct assembly order of the one way valve.
ADAPTER
WIPER
O-RING
SPRING
SEAT
O-RING
POPPET
BODY
O-RING
OWV-2
© MMXX Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 200915002
One Way Valve
One Way Valve
