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© Copyright 1970-2008 Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 080508001
Kirby Morgan 37 & 57
7.12.3 SuperFlow 450 Demand Regulator
Bias Adjustment Field Service with
Demand Regulator on Helmet
It is not necessary to remove the regulator from the
helmet to perform field maintenance.
Tools Required:
1/4 inch Flat Blade Screwdriver on Torque Wrench
1” Open End Attachment on Torque Wrench
1/4” to 5/16” dowel rod sharpened by pencil sharp-
ener.
Remove the screws and washers on either side of
the cover.
Unscrew the cover retaining ring and remove the
cover.
Remove the diaphragm and inspect it carefully. If it
is torn or punctured it must be replaced.
1) Remove the bent tube assembly from the helmet,
per this chapter.
2) Remove the screws and washers on either side of
the regulator cover.
2) Unscrew the cover retaining ring.
3) Remove the cover and diaphragm. Inspect the
diaphragm for holes or tears. If it torn or punctured it
must be replaced. Inspect the interior of the regulator
for foreign matter and remove if necessary.
4) Carefully insert the tip of a flat blade screwdriver
in the slot at the top of the lock clip to loosen it and
slide the clip away from the regulator main tube.
The lock clip must be removed to service the
internal o-rings in the regulator.