Chapter 9.0 Accessories For The Kirby Morgan 77 - Kirby Morgan 77 Operation And Maintenance Manual

Accessories for the Kirby Morgan 77
9.1 Introduction
This section provides the manufacturer's advice on
how to install KMDSI accessories including a low
pressure inflator hose and the weld lens assembly.
The installation procedures shown here are typical
for most Kirby Morgan masks and helmets.
9.2 Low Pressure Inflator Hose
The low pressure inflator system may be used with
either a buoyancy compensator or dry suit systems.
For certain pieces of equipment it may be necessary
to use a longer inflator hose than is originally sup-
plied by the manufacturer of the low pressure system.
9.2.1 Installation of the Low Pressure Infla-
tor Hose
Tools Required:
5/32 inch allen wrench attachment on torque wrench
1) Remove the plug from the side block. Save this
plug.
2) Check the O-ring on the low pressure whip to be
Remove the plug from the side block and install
the inflator hose here.
© ⅯⅯⅩIⅡ Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 130318003
Chapter 9.0
sure it is present and in good condition. Carefully
screw the low pressure whip into the side block.
3) Tighten fitting to the specifications provided by the
dry suit manufacturer. Do not overtighten.
4) Pressurize helmet and test connection for leaks.
WARNING
When using the low-pressure port on
the side block for attachment of a low-
pressure hose, a hose with built in flow
restriction must be used. Without a
restrictor, a hose failure could deplete
the Emergency Gas Supply very rapidly
leading to suffocation. This could result
in serious personal injury or death.
Thread the hose into the side block opening.
Kirby Morgan 77
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