PG 85-00-310A 2/2/2024 Flashcards
Revised 2/2/2024 (241 cards)
For any malfunction or discrepancy not discussed in the process guide or MPC, contact whom for further guidance
ALSE Technical Services or ALSE Prime Unit
1-1
Who has the ability to initiate a basic repair as necessary, but that repair shall not alter the functionality or integrity of the life support equipment (e.g.,reinforcement of a damaged handle)
The Shop Chief
1-1
Who will formulate, produce, and distribute applicable equipment change actions to the equipment and to respective sections of this process guide
ALC ALSE Technical Services
1-1
For determination of repairability of life rafts or container, life vests refer to where
Aviation Life Support Equipment Systems Manual, COMDINST M13520.1
2-1, 2-3, 2-4, 2-7
To ensure a minimal amount of moisture in put to inflation assemblies, all CO2 shall pass through how many purifier assemblies connected in series. The purifier cartridges in each assembly shall be replaced after how many pounds of CO2 have passed through cartridges
Two
250
2-1
What is the max air pressure for compressed air dryer
150 psi
2-2
The compressed air dryer column contains two chambers of desiccant material. While one is drying the compressed air (absorption), the other is simultaneously undergoing regeneration (desorption). Approximately every _____ minutes, the two columns automatically reverse in function.
2 minutes
2-2
Compressed Air Dryer Desiccant Material typically exceeds 10,000 hours (3-1/2 years, 8 hours per day). The primary indication that the desiccant requires changing is the CO2/N2 pump _____ during operation.
freezing
2-2
Compressed air Dryer Filters Typically last how long
2 to 3 years
2-2
The LRU-25/A is manufactured from yellow urethane-coated nylon and has a volume of ______, and the operating pressure is 1.3 to 4.7 PSIG.
26.8 cubic feet
2-2
Normal capacity is _____ persons and overload capacity is _____ persons. Inflation time is 60 seconds. It has a water-activated internal light system. The LRU-25/A life raft assembly is used for aircrews in H-60, H-65, and C-144 aircraft.
6 persons
9 persons
2-2
How many subsystems are in the LRU-25 and LRU-33 rafts
It consists of five major subsystems:
2-2, 2-4
The external relief valve operating pressure is approximately _____ PSIG. The internal relief valve operating pressure is approximately _____ PSIG for the LRU-25
3.2 and 2.9
2-3
The LRU-25 lifelines are constructed of _____ webbing attached to the inflatable at intervals by means of fabric patch material
1-inch wide
2-3
Deployment and inflation of the LRU-25/A, LRU-33, POD-8 is found where
the applicable flight manual
2-3, 2-4, 2-7
How often is a functional test due on the LRU-25, LRU-33, and POD-8 rafts
every 3rd leak test or 36 months
2-3, 2-4, 2-7
The LRU-25 inflation assembly is rated at 3,500±100 PSIG at 70° F with a combination charge of _____ pounds of CO2 and _____ pounds of N2.
The over pressure rupture disk will rupture at _____ PSIG
2.20 LBS CO2
1.7 LBS N2
2-3
4,500 to 4,900
2-3
A pull force of _____ pounds is required to actuate the LRU-25 and LRU-33 rafts inflation valve.
6 to 15
2-3, 2-5
The LRU-25 cylinder is required to be hydrostatically tested every _____ years (_____ months) and has a service life of 3 hydrostatic tests or a life limit of _____ years from the date of manufacture
5 years
15 years
2-4
The LRU-33/A is manufactured from yellow urethane-coated nylon and has a volume of ____, and the operating pressure is 1.5 to 3.6 PSIG at 70°F.
86.3 cubic feet
2-4
What is the normal and over load capacity of the LRU-33 raft
20 normal
30 over load
2-4
What is the relief valve opening and closing pressures for the LRU-33
3.2 opening
2.4 closing
2-4
The LRU-33 inflation assembly is rated at 3,500±100 PSIG at 70° F with a combination charge of _____ pounds of CO2 and _____ pounds of N2.
The over pressure rupture disk will rupture at _____ PSIG
3.06 LBS CO2
5.7 LBS N2
2-5
4,500 to 4,900
2-5
How often is the cylinder for the LRU-33 raft due to be hydrostatically tested
every 5 years
2-5