Kirby 77 operating instructions Emergency Gas System EGS, Diver donning a complete bail-out system

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Kirby Morgan 77

WARNING

The one way valve must be tested daily, prior to commencement of diving opera- tions. Failure of the one way valve could cause serious injury or death.

You can also test the one way valve by attempting to suck air through the valve. The emergency valve must be open for this test to work properly. If you are able to suck any air through the valve it is not working properly.

WARNING

Never dive if the one way valve is not op- erating properly. If the hose or breathing gas/air fitting breaks near the surface a serious injury could result to the diver’s lungs and/or eyes. In extreme cases this could be fatal. The one way valve must be tested daily prior to the commencement of diving operations.

3.7 Emergency Gas System (EGS)

If the diver’s main gas supply fails, the diver must have another source of gas that will enable him to return to the dive station or to a point where a nor- mal gas supply can be reestablished. For this reason, an emergency gas supply (bailout) cylinder must be used on all dives. The bailout cylinder is normally worn on the back using a combination backpack and lifting harness.

WARNING

Do not dive without a diver worn Emer- gency Gas System. If the main gas supply is lost, you will have nothing to breathe and may drown.

Diver donning a complete bail-out system.

Most commercial divers wear a harness (separate from the weight belt) that is used for several pur- poses. The harness is fitted with large metal rings (usually brass or stainless steel). The umbilical is hooked into one of these rings to keep any strain off the helmet. In addition, the rings on the harness are used to hang tools and other equipment. Usually the harness is also designed to provide a means of lifting an unconscious diver from the water. This harness is the best method of securing the emergency breathing gas to the diver.

© Copyright 1970-2008 Kirby Morgan Dive Systems, Inc. All rights reserved. Document #080626002

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Contents Design Purpose IntroductionKirby Morgan First Use of Your Kirby Morgan Diving Helmet Trimming the Neck Dam Initial Adjustments to Your HelmetRing Neck dam Stepped Split Pull Strap Head CushionTrimming the neck dam Adjusting the Neck PadPre-Dive Visual Inspection Pre Dress-In ProcedureCheck Communications Clean Face PortPreparing the Helmet for Diving Check Moving PartsDiver donning a complete bail-out system Emergency Gas System EGSDiver’s body. Never allow the umbilical Kirby Morgan Kirby Morgan Kirby Morgan Flushing Out the Umbilical Setting Up to DiveFogging Prevention Kirby Morgan Opening the Breathing Gas Supply to the HelmetEver the diver has his helmet on his head Kirby Morgan Donning The Kirby Morgan HelmetTender must always be present to Assist the diver while dressing and whenKirby Morgan Kirby Morgan Sealing Integrity Check Kirby Morgan Testing the Breathing SystemRemoving the Helmet Diving Procedures Gas Flow Stops Emergency ProceduresFlooding Inhalation ResistanceKirby Morgan Demand Regulator Free Flow Storage of the Helmet Between Dives Post Dive ProceduresRemoving the Equipment Removing the Helmet