PG-85-00-310 ALSE PG

Question 1

(INFLATABLE EQUIPMENT) cleaning life raft detergent

Answer 1

MIL-D-16791 **1 part detergent, 3 parts water**

Question 2

(INFLATABLE EQUIPMENT) cementing life rafts

Answer 2

• even and uniform within 1/2 inch beyond edge. - brush 3, medium, even coats (10 minute dry time between coats) - cure time of 48 hours minimum w/ no internal pressure

Question 3

(ADS) thread tensile strength

Answer 3

A = 2.75 lb.

AA = 3.9 lb.

B = 5.5 lb.

E = **8.5** lb. (P/N V-T-295)

F = 11.0 lb.

FF = 16.0 lb.

Question 4

(ADS) size 3 & 6 cord

Answer 4

• actually nylon thread - commonly used in: 1. parachute riser assemblies 2. safety belts 3. restraints 4. tacking & webbing

Question 5

(ADS) type I parachute cord

Answer 5

• sheath and core type - used to tie survival items **tensile strength = 100 lbs.**

Question 6

(ADS) type III parachute cord

Answer 6

• sheath and core type - used at suspension lines **tensile strength = 500 lbs. 300 lbs. (gutted)

Question 7

(ADS) acid/alkaline contamination testing

Answer 7

• full range paper: 0.0 - 14.0 pH - pH safe zone: 5.0 - 9.0 a. 5.0 and below indicates excess acidity b. 9.0 and above indicates excess alkalinity - removing acid/alkaline contamination a. neutralize w/ ammonia, rinse, and air-dry.

Question 8

(ADS) saltwater contamination

Answer 8

any ADS assembly which has been immersed in saltwater for: 1. a period for more than 24 hours 2. cannot be cleaned within 36 hours after immersion **if not ADS assemblies SHALL be used for cargo drop practice ONLY**

Question 9

(ADS) fire fighting agent contamination

Answer 9

assemblies exposed to: 1. light water 2. protein foam 3. PKP **SHALL be thoroughly washed within 30 hours after exposure. Assemblies not washed within 30 hours SHALL be considered unserviceable.**

Question 10

(ADS) biohazard contamination

Answer 10

• spraying contaminated area with Clean-Gear II and washing.

Question 11

(ADS) canopy cleaning methods

Answer 11

1. hand-washing (always attempted 1st) 2. machine-washing

Question 12

(ADS) hand-washing canopies

Answer 12

1. wrap all metal fittings in heavy flannel cloth 2. fresh water (not to exceed 140 F) 3. Agitate(by hand) no to exceed 10 minutes -> remove from tub and drain. 4. repeat cleaning cycle 2 times

Question 13

(ADS) machine-washing canopies

Answer 13

• front loading tumble-type must have: 1. temperature control 2. gentle wash cycle 3. rinse cycle - wrap all metal fittings in heavy flannel cloth - tie suspension cords every 3 ft.

Question 14

(ADS) canopy drying methods

Answer 14

1. outdoor drying 2. machine drying

Question 15

(ADS) outdoor drying of canopy

Answer 15

• once nylon is exposed to the sun, the damage is done - dyed fabrics, such as international orange, deteriorates faster than neutral colors fabrics(white) **all units with access to wet lockers SHALL NOT dry ADS assemblies outdoors**

Question 16

(ADS) outdoor drying and canopy deterioration

Answer 16

outdoors, summer sun % breaking strength 7 days……………………………………………………………52% 14 days…………………………………………………………..71% 21 days…………………………………………………………..94%

Question 17

(ADS) machine drying of canopy

Answer 17

• should only be used ONLY after 1 hour of drip drying while suspended full length - no ADS components SHALL be left in the dryer any longer than necessary. - ADS components should be removed from dryer while slightly damp and suspended for air-drying

Question 18

(ADS) canopy SINGLE patch repair

Answer 18

a hole, tear, or cut less than 1 square inch or a thread separation shall be repaired with a single patch. - installed on inside of canopy - baseball stitch cuts or tears - lock the first and last stitch with an overhand knot - outline damaged area with a soft lead pencil - 301 lockstitch patch (single) 8 to 10 SPI

Question 19

(ADS) canopy DOUBLE patch repair

Answer 19

a hole, tear, or cut greater than 1 inch square and less than 8 inches square shall be patched with a double. - outline damaged area with soft lead pencil - 301 lockstitch patch with 8 to 10 SPI

Question 20

SEAPACK crew forward osmosis desalination pouch

Answer 20

• shelf life: 5 years - removes 97% of salt - configurations 1. single = 1 pouch 2. multi = 3 pouches - drink should be consumed within 24 hours - submerge each pouch into water for 5 minutes to wet membrane - wait a minimum 8 hours, and no longer than 24 hours to consume drink

Question 21

non-serrated edge sharpening

Answer 21

• apple a few drops of lubricating oil to sharpening surface - hold blade at a 20 degree angle - circular motion against stone for 5-8 seconds

Question 22

(OXYGEN) if the pressure of an MA-1 emergency oxygen bottle is reduced below 25 PSIG and not recharged within ______ hours, the bottle must be purged.

Answer 22

2 hours

Question 23

ADC repair guidelines.

Answer 23

** the manufacturer shall perform all repairs to the ADC** - any suit returned for repairs shall have the neck and wrist seals and both anti-exposure socks replaced regardless of condition. - tears up to 6 inches in linear length in the ADC fabric may be repaired. - any ADC with tears over 6 inches in linear length or that have damaged waterproof slide fasteners shall be scrapped.

Question 24

ADC washing guidelines

Answer 24

**put the ADC into a net laundry bag prior to washing to reduce wear** - hand wash OR use washer on delicate cycle - rinse ADC three(3) times - if clothes dryer used: lowest possible setting not to exceed 20 minutes - hang to dry on wooden or plastic hangar.

Question 25

(ADC STORAGE) close slide fasteners on ADC within _____ inches of end seal blocks.

Answer 25

4 inches **ADC stored in a controlled temp. environment 68-75 F**

Question 26

what length of polypropylene must you cut to properly fabricate a 105 foot trail line?

Answer 26

107 feet

Question 27

Wet Locker

Answer 27

• Used for washing and drying parachutes
• Ceiling should be high enough to permit parachutes to be hung full-length without touching walls, floor, or other parachutes.
• If adequate ceiling height is not available, the suspension lines shall be chained to prevent entanglement. The hoist lines shall be spaced a minimum of 24 inches apart and at least 12 inches from the wall. Wet locker SHALL NOT have windows or skylights

Question 28

Washroom

Answer 28

• Used for cleaning parachutes
• It SHALL contain a large wash tub or deep sink as well as a large capacity industrial washer and dryer.

Question 30

Seam Classes: Seams are divided into four(4) classes

Answer 30

1. Superimposed Seam (SS)
2. Lap Seam (LS)

There are four(4) types of lap seams.

• LSa-2
• LSb-2
• LSc-2
• LSd-2

3. Binding Seam (BS)
4. Flat Seam (FS)