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UWS-109AA-Helmet Yearly Inspection Highlights
| UWS Systems and Equipment 109AA |
13
Sports
Undergraduate 1
10/10/2013

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Cards

Term
Mandatory on the first stage of a bailout bottle for Surface Supply.
Definition
Pressure Release rated for >180psi in ANY LP port
Term
At the end of a Kirby Morgan manual is:
Definition
A list of changes from manual to manual, including critical updates.
Term
What should be used for lubrication in a helmet?
Definition
Food Grade Silicone - dow Corning 11
Term
Things that show you the helmet is really old:
Definition
- A muffler before the internal freeflow pipe.
- Oral Nasal is made of rubber
- A long and thin one way check valve, ending with a bulky extension.
Term
Primary location water will leak in:
Definition
Neck seal, exhaust valve
Term
Free flow valve seal is:
Definition
A face sealing valve. (within 1/2 a turn you are receiving 70% of the flow)
Term
Bailout bottle valve seal is:
Definition
a stem sealing valve. (not easily turned on to full, less liable when bumped)
Term
When connecting the bent tube assembly, what order do you fasten it?
Definition
Connect the face seal side first prioritizing a smooth tightning. Then proceed to fasten the oring side (which is connecting to the regulator)
Term
Oral Nasal's Rolar lever should be how sensitive?
Definition
1/8 - 1/16
Term
The mask is free flowing, what is the process of repair?
Definition
-Check the dial a breath (regulator adjustment valve)
-Check dmg on the front of the regulator.
-Adjust the nut inside the regulator
-Remove valve and check face seal (flip or replace if necessary)
Term
Oxygen mixtures over __% oxygen compatible greases such as Krytox must be used.
Definition
40%
Term
What is the minimum recommended umbilical hose diameter to be used with diving helmets?
Definition
3/8
Term
A bail-out regulator must be fitted with a relief valve installed in:
Definition
Any LP Port
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