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S9592-B1-MMO-010
FADS III
| Question | Answer |
|---|---|
| 5 major sub assemblies of FADS III | ASRA CCA VTA (optional) 5,000 psi compressor interconnecting hose assemblies |
| Configuration 1 | Supports 2 working divers, 1 standby diver for dives to 190 fsw |
| Configuration 2 | Same as 1 but includes prim/sec Tee plate assemblies to support TRCS (MK 6 MOD1 - 5,000 psi upgrade version) |
| Configuration 3 | Uses LWDS MK MOD 0 flask rack assemblies to support CCA/VTA. |
| Configuration 3 set-ups | 3A-1 primary rack, 1 secondary rack 3B - 2 primary, 1 secondary 3C - 3 primary, 1 secondary 3D - 4 primary, 2 secondary (4 racks max per stack) |
| Configuration 4 | Uses SNDLRCS ASRA to support FADS III (Inside and outside Van versions) |
| ASRA sub assemblies: | Air Flask Rack Assembly (AFRA) |
| Air Flask Rack number of flasks | 9 |
| CCA: Number and size of hoses connecting to ASRA | 3 hoses 42ft |
| CCA: Number and psi of relief valves | 2 reliefs 300 psig |
| CCA: How many air supply valves/pneumo valves? Colors? | 3 red, green, yellow |
| CCA: weight structural volume | 148 lbs 6 cuft |
| CCA: Number of filters type of filters | 2 (by A/B supply from ASRA) 10 micron |
| VTA: 2 purposes | Cool air coming from compressor Keep stored air for when older compressor models would kick on/off when divers breathe in/out. |
| VTA: Why is it optional? | Because ASRA is connected |
| VTA: material FV working pressure weight | 316 stainless steel 4 cuft 275 psig 305 lbs |
| ASRA: how many flasks in AFRA? | 9 |
| ASRA: Total air capacity (all 9 flasks) | 9,675 scf |
| ASRA: What HP PSI amount does it support? | 5,000 psi |
| ASRA: FV of each flask | 3.15 cu ft |
| ASRA: air capacity of each flask | 1,075 scf |
| ASRA: Weight of entire assembly (empty and full) | 3,020 lbs empty 3,660 lbs full |
| ASRA: Structural volume | 210 cu ft |
| ASRA: How many flasks in each bank? | Bank 3 - 2 Bank 2 - 4 Bank 1 - 3 |
| ASRA: Bottom of flask has... | Condensate drain Thermal fuse (optional now) |
| ASRA: Top of flask has... | isolation valve valve fitted with pressure rupture disk |
| ASRA: What temperature is the thermal fuse set at? | 217 F |
| ASRA: What pressure is the isolation valve pressure rupture disk set at? | 8,000 psi |
| ASRA: Relief valves and what they are set to | -Charge port relief - 5,500 psi -SCUBA port relief - 3,300 psi |
| CCA: regulator gauge range (LP) | 0-500 psi |
| CCA: Air supply gauge range (HP) | 0-6,000 psi |
| CCA: Regulator operating range | 40-400 psi |
| CCA: -How many in line filters? -Where are they located -Which type of micron? | -2 -for A supply and B supply ports -10 micron |
| CCA: -How many relief valves? -Where are they located? -What are they set at/how do they work? | -2 -in between A/B supply and the manifold regulators -automatically vent pressure over 300 psi |
| CCA: What was the purpose of a volume tank? | -Cool air coming ffrom compressors -Keep air stored at equalized pressure while compressor cycled on and off due to diver's demand. |
| Stand alone diving setup: -How may the ASRA banks be designated? | Bank 1 - primary Bank 2 - Back up Bank 3 - always secondary |
| FADS III EP: -What is it? | -Loss of primary air -Close valve designated as primary, open valve designated as secondary, notify divers and retrieve (Isolate equipment after divers recovered and submit FAR) |
| FADS III EP: how to perform | -shut primary -open secondary (check regulator tracking) -recover divers -isolate equipment, submit FAR |
| ORCA: What does it stand for? | Oxygen regulating console assembly |
| ORCA: What psi is HP O2 supplied at? | 3,000 psi |
| ORCA: What LP psi is the O2 reduced to? | 165-180 psi |
| ORCA components: -How many regulators? -what psi does it adjust up to? | -1 -500 psi |
| ORCA components: -How many gauges/what are they? -ranges | -2 gauges (1 HP, 1 LP) -LP: 0-300 psi -HP: 0-4,000 psi |
| ORCA components: -Where are the filters located? -micron type? -material -set to/rated at? | -between HP and LP inlet hose connections and manifold assembly -10 micron -bronze, sintered -5,000 psi |
| ORCA components: -How many O2 pressure relief valves? -What is it set to? | -1 (LP) -300 psi |
| ORCA components: How many HP inlet supply valves? How many LP inlet supply valves? | 2 1 |
| What two types of materials can ASRA flasks be made from? | Carbon fiber Kevlar |
| Lifespans of types of HP flasks | Carbon fiber - 15 years - 30 years Kevlar - 15 years |
Created by:
DivingKnowledge