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7 Cards in this Set
- Front
- Back
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What is LPAC rated at? |
200 square cubic ft per min @ 125 psi |
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What are the 3 modes for the lpac? |
Lead (always supplies air throughout the ship) - 115 - 125 psi Stby- 110-120 psi Emer stby- 105 - 115 psi |
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What is the purpose of the priority valve? |
If ship were to lose air below 105 psi, the priority valve will begin to shut. It will not fully shut until 85 psi. |
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What are non vital air systems? |
Pneumatic hoists FO purifiers LO purifiers FO compensating systems Sea chest blowouts Exp tank charging Service outlets Laundry Rudder inflatable seal Window wash Gtrb water wash Ships whistle Helicopter support |
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Vital air? |
MRG Brakes Gtm blow in doors Bleed air control valves Stern tube inflatable seal Vent closures Gtm vent dampers Torpedo hoist Loscas FO unloader valve LO cooler valve Sonar dome Gtg services 5”/ 62 ammo handling Electronic dry air for combat |
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What happens if system drops below 85 psi? |
Augmented by HP air one per main space
Automatically open at lp air of 80 Psi |
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What are some concerns with loss of lp air? |
Over pressurization for fuel service system (unloader valve fails shut) Ac plant shut down LO temp control LOSCA temp control Fuel comp valves Pt brake control Gtg signal air |
