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V 3 > Life Preservers > Flashcards

Life Preservers Flashcards

1
Q

What mechanically inflates each cell of a life preserver?

A

A 28g CO2 cylinder.

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2
Q

How are FLU-9/P actuators activated?

A

Automaticly

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3
Q

What are the four types of life preserver inspections and the two tests?

A

Preflight/screening, initial installation, special, periodic.
Functional, leakage.

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4
Q

What is a screening inspection?

A

Visual inspection without opening.

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5
Q

When is a special inspection warranted?

A

When circumstances lead you to think its serviceability is questionable, or when an issue during a function test involves inflation assembly.

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6
Q

What percent of life preservers is tested?

A

5%

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7
Q

How often may any one life preserver be functionally tested?

A

No more than once a year.

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8
Q

During which inspection task do you weigh the CO2 cartridge?

A

Leak test.

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9
Q

During the inspection, describe what is done to any survival items that might be installed.

A

Inventory/inspect them.

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10
Q

How many and what size CO2 cartridges are located in the LPU-10/P?

A

1 28g cartridge per cell

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11
Q

What is the correct angle for the clip to engage in the buckle on the waist strap of the LPU-10/P?

A

90 degrees

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12
Q

What special inspection do you perform on cells that have hook and pile tape cemented directly to the cells?

A

10-12 lb pull test.

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13
Q

What items are you looking for when you remove the cap nut from the inflator?

A

Cross thread, valve core in stem, presence/condition of inflator gasket.

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14
Q

What is the correct inflated PSI for the start of a leak test on the LPU-10/P?

A

2 PSI

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15
Q

What position must actuation levers be placed in prior to installing serviceable CO2 cartridges?

A

Closed.

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16
Q

When do you preform a functional test on a LPU-38/P?

A

Before put in service/ every 4th periodic.

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17
Q

What is the service life of the FLU-9 B/P batteries?

A

3 yrs from DOM.

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18
Q

How do you tell whether an FLU-9 B/P inflator has automatically fired?

A

Presence of pin in fire indicator port.

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19
Q

Describe how you install the batteries into the FLU- 9 B/P.

A

+ 2 + & - 2 -, re-install kapton sleeve and screw sensor plug in finger tight.

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20
Q

What is the acceptable voltage reading for the battery test?

A

12.0 VDC or higher.

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21
Q

What do you do if you get a 0 voltage reading.

A

Check for proper battery installation.

22
Q

What do you use to safety tie the inflator manual lever of the FLU-9 B/P?

A

24/4 or 16/4 surgeons single overhand locking knot.

23
Q

During leakage test of the LPU-38/P what must the pressure be for each life preserver bladder?

A

No less than 2.5 PSI.

24
Q

Explain the process if the correct pressure is below 2.5 PSI.

A

re-inflate.

25
Q

Where do you stencil the inspection data on the LPU-38/P cell?

A

Back of the yellow bladders.

26
Q

How do you route the cartridge retainer strap?

A

Around inflator assembly between the cell and the cell protector.

27
Q

What type of chord and knot do you use to attach the cell to the container?

A

Type 1 300 lb braided nylon with square and locking knot.

28
Q

Where do you position the cell protector?

A

Between cell and inflation assembly folded around inflation assembly before folding cell.

29
Q

Where do you position the oral inflation valve prior to closing the container flaps on the LPU-10/P?

A

Center of container.

30
Q

How do you position the ring on the oral inflation valve of the LPU-10/P when you finish folding the cell?

A

Closed.

31
Q

IN what order do you close the flaps of the container?

A

Rear, bottom, top, front.

32
Q

What type of thread and knot do you use to make the safety tie on the closure pin?

A

Size A nylon thread with surgeons and overhand knot.

33
Q

What items may be needed to fold the LPU-38/P?

A

Packing aids, bean bags, zipper slides, and spring clamps.

34
Q

For the LPU-38/P, on what side do you make the first fold?

A

Left side of the inflation cell assembly.

35
Q

Where do you apply Vibra-TITE, and how long before installing it?

A

first 2 threads, let dry for 15 min.

36
Q

Why does the waist strap buckle require a 90 degree angle to insert clip into slot?

A

Prevent advert opening during emergency.

37
Q

How should the LPU-10/P shoulder adjustment straps be secured?

A

Through elastic keepers, up over shoulders, and through strap spacer.

38
Q

How do you tack the LPU-38/P?

A

1 turn waxed 8/4 doubled with surgeons and locking knot.

39
Q

What is the primary inflation on the adult/child preserver?

A

2 single inflators each with 16g CO2 cylinders.

40
Q

What is the purpose of the 10 foot nylon lanyard.

A

Attach to D ring/ waist strap to keep kid.

41
Q

What happens if you do not use deflation adapter to remove air from the A-A-50652 life preserver?

A

Air wont escape by just depressing mouth piece.

42
Q

What components do you inspect during the survival items inspection?

A

Water activated light, whistle, sea die, life line.

43
Q

Describe water activated light inspection.

A

Check lamp for continuity, and battery for voltage.

44
Q

Where do you stencil the inspection data on the A-A-50652 life preserver cell?

A

Top left of either cell.

45
Q

What is important to remember when packing the A-A-50652 oral inflation tubes.

A

Don’t cremp or smash while packing.

46
Q

Where do you place the inflators when packing the A-A-50652 into container?

A

bottom of container.

47
Q

What type of inspection is made by the crew member which the life preserver is assigned?

A

Preflight.

48
Q

What is the biggest acceptable hole, cut, tear, ect.?

A

1/2 in.

49
Q

What is the max number of patches?

A

2

50
Q

What is the allowed overlap of patches covering damage on life preserver?

A

1in.

51
Q

What cement must be used to secure patches to the cells of an LPU-10/P preserver?

A

MIL-A-5540

V 3 (15 decks)

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