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SuperLite
17B
1) First remove the nose block device knob then the
packing nut and slip the O-rings off the nose block
shaft.
2) Pull the nose block device out through the interior
of the oral nasal mask.
3) Remove the handle as per this chapter.
4) Next, unscrew the remaining twelve port retainer
screws. Pull the retainer clear of the helmet shell.
5) Be sure not to lose the O-ring that is located on
the back side of the port retainer at the nose block
device packing.
6) The four whisker spacers must not be misplaced.
They will usually be found lodged in the whisker
wings.
7) Remove the old port and sealing O-ring.
8.8.3 Face Port and Nose Block
Replacement
1) Clean the face port O-ring groove, carefully inspect-
ing it for any damage.
2) Lightly lubricate the O-ring with Dow Corning
The whiskers must be removed prior to removing the
port retainer and port.
130
Be sure not to lose the whisker spacers.
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Replace the face port if it becomes badly scratched
or shows any signs of damage due to contact with
chemicals.
lubricant or equivalent and replace in the helmet shell.
3) Place the face port into the helmet shell making
sure the O-ring has been lightly lubricated and is in
its groove.
4) Clean and lubricate the small O-ring on the back of
the small tube on the face port where the nose block
device penetrates the helmet.
© ⅯⅯⅩⅡ Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 120613005
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