? 4 Flashcards
What are the purpose of the ballast bags on the one man?
Stabilize boarding.
How is the floor inflated on the one man raft?
Oral inflation.
How is the oral inflation tube on the one man flotation tube identified?
Its either solid red or has red tape on it.
What is the purpose of the spray shield?
Protect from elements.
What is the required torque value for securing the CO2 bottle to the one man?
50-60 in/lbs.
When a one man is function tested what is the appx. time that the raft should inflate to its designed shape and size?
30 sec.
When performing a buoyancy tube twist check, what size blocks are used and where are they positioned?
3.5 in diagonally.
When inflating a spray shield on a life raft, what PSI must you ensure the air source does not exceed?
5 PSI.
What is the minimum and maximum time an inflated one man can sit during a leakage test?
6 and 8 hours.
When figuring corrected pressure which number is added or subtracted to the final pressure reading for each 1 degree F change in temp.?
.031
One a one man what size lettering should be marked on the raft to annotate the date inspected?
1/4-1/2 in.
The purpose of securing the sea anchor on the bow is what?
Prevent the bow from raising during boarding.
What is the purpose of the adapter clip used with the one man?
Prevents inadvertent release of the swag ball.
What is the purpose of the diffuser on a multi place raft?
Break up direct blast of CO2
What is used to inflate the 25 man raft?
Compressed air augmented by ambient air.
When fully configured how much does the 46 man weigh?
200 lbs.
When an F-2B is function tested what is the appx time it takes to take shape?
60 sec.
One hour after completing the functional test what will be the compartment differential pressure range PSI for the F-2B life raft.
1.5-2.2
What is the required torque range for installing the CO2 cylinder on the F-2B?
140-150 in lbs
What is the last thing you must do prior to folding the F-2B life raft?
Remove the equalizer tube clamp.
What type of knot do we use to attach the actuation line to the actuateion cable on the F-2B cylinder?
Bowline.
What type of cord do you use to lace the side flaps on the F-2B wing well container?
8/4.
What is the shape of the 22D23585 raft when fully inflated?
Decagon.
The compressed air cylinder on the 25 man raft must receive a hydrostatic test every
3 yrs.
Where do you position the jet pumps when packing the 25 man raft?
Top edge of case.
What PSI is the 46 man raft inflated during a leakage test?
2
How long does the 46 man raft undergo a leak test?
6 hrs.
Before you pack the 46 man what is the max overall width of the folded raft?
16 in.
What is the max number of patches that can be applied to the flotation tube of a single place raft?
3
What amount must the patch overlap the damaged area when applying a patch to any life raft?
1.5 in
When you make an inspection data pocket for a raft case, what size material must be cut and where is the grommet positioned?
4x5 centered on the 4 inch side.
