PG-85-00-310 ALSE PG Flashcards
(INFLATABLE EQUIPMENT) cleaning life raft detergent
MIL-D-16791 **1 part detergent, 3 parts water**
(INFLATABLE EQUIPMENT) cementing life rafts
- 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
(ADS) thread tensile strength
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.
(ADS) size 3 & 6 cord
- actually nylon thread - commonly used in: 1. parachute riser assemblies 2. safety belts 3. restraints 4. tacking & webbing
(ADS) type I parachute cord
- sheath and core type - used to tie survival items **tensile strength = 100 lbs.**
(ADS) type III parachute cord
- sheath and core type - used at suspension lines **tensile strength = 500 lbs. 300 lbs. (gutted)
(ADS) acid/alkaline contamination testing
- 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.
(ADS) saltwater contamination
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**
(ADS) fire fighting agent contamination
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.**
(ADS) biohazard contamination
- spraying contaminated area with Clean-Gear II and washing.
(ADS) canopy cleaning methods
- hand-washing (always attempted 1st) 2. machine-washing
(ADS) hand-washing canopies
- 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
(ADS) machine-washing canopies
- 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.
(ADS) canopy drying methods
- outdoor drying 2. machine drying
(ADS) outdoor drying of canopy
- 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**
(ADS) outdoor drying and canopy deterioration
outdoors, summer sun % breaking strength 7 days……………………………………………………………52% 14 days…………………………………………………………..71% 21 days…………………………………………………………..94%
(ADS) machine drying of canopy
- 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
(ADS) canopy SINGLE patch repair
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
(ADS) canopy DOUBLE patch repair
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
SEAPACK crew forward osmosis desalination pouch
- 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
non-serrated edge sharpening
- 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
(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.
2 hours
ADC repair guidelines.
** 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.
ADC washing guidelines
**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.
(ADC STORAGE) close slide fasteners on ADC within _____ inches of end seal blocks.
4 inches **ADC stored in a controlled temp. environment 68-75 F**
what length of polypropylene must you cut to properly fabricate a 105 foot trail line?
107 feet
Wet Locker
- 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
Washroom
- Used for cleaning parachutes
- It SHALL contain a large wash tub or deep sink as well as a large capacity industrial washer and dryer.
Seam Classes: Seams are divided into four(4) classes
- Superimposed Seam (SS)
- Lap Seam (LS)
There are four(4) types of lap seams.
- LSa-2
- LSb-2
- LSc-2
- LSd-2
- Binding Seam (BS)
- Flat Seam (FS)
