© ⅯⅯⅩⅢ Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 130318002
129
Kirby Morgan
®
37SS
Chapter 8 - Face Port
B
WARNING
Avoid any contact between Loctite
®
and the face port. This can cause the
port to fail unexpectedly and drowning
could result.
Place the port retainer onto the helmet shell, holding
it in place against the face port and face port o-ring
while the fifteen screws, are all run in loose.
Place the port retainer on the helmet shell.
6) Using a torque screwdriver slightly tighten each
opposing screw evenly. Start at the center line of the
helmet and work outwards in a circular pattern. Re-
peat this process, one after another, until all screws
are evenly torqued to 15 inch pounds and the o-ring
has completely sealed the face port.
B
WARNING
Always be sure to use a torque screw-
driver to check the tension of the port
retainer screws.
Always use a torque screwdriver to check the tension of the
port retainer screws.
When removing then reinstalling the port retainer,
it is crucial to follow KMDSI recommended torque
specs when tightening the port retainer screws.
7) Install the nose block device from the interior of
the oral/nasal mask and out through the nose block
guide on the port retainer.
8) Slide the two lubricated o-rings onto the shaft of
the nose block device.
9) The packing nut is threaded into place followed
by the nose block device knob.
10) Tighten the packing nut until some resistance is
felt when the nose block device knob is pushed in
and out. Tighten the nut until it cannot be loosened by
hand, then another half turn. If the packing nut is too
tight the nose block device cannot slide in and out.
11) The nose block device knob should be tightened
to the shaft using a padded pair of pliers, while hold-
ing the nose block pad on the inside of the helmet.
8.5.4 Special Note Regarding Face Ports
NOTE: There are two different face ports available
for KMDSI helmets and masks. One port specifi
-
cally fits the Kirby Morgan helmets and the KMB
18. One port only fits the KMB 28 Band Mask.
These two ports are not interchangeable. The face
port for the SuperLite
®
-17A/B the SuperLite
®
-17K,
SuperLite
®
-27, SL-17C, the Kirby Morgan 37, 47,
57, 77, 37SS and the KMB 18 Band mask is Part
#520-004. The face port for the KMB 28 Band Mask
is Part #520-128.
