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App means?
Auxiliary power plant
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App publications
Gai, 220, nfm
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When does app clutch engage
92%
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What gives panel a reading before app is 100%
Tachometer generator
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When does the clutch engage?
204°c and 92%
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how is the clutch engaged and disengaged?
pneumatically engaged, mechanically disengaged
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Accumulator handle in up position
No. 1 acumulator
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Accumulator in down position
both accumulators
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CDI's look for what three things?
- 1.) Security
- 2.) Integrity
- 3.) FOD
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6 things AGB Drives
#1 and #3 generators, 2nd and Utility Pump, Engine Start, and internal lube pump
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What gives you your five lights?
Sandwich generator
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What are the five lights?
#1 and #3 generator, #1 and #2 rectifier, APP on
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What two things does the Clutch bled air valve do?
- 1.) Engage Clutch
- 2.)when fuel shutoff valve closes, compressed air opens the purge valve, and blows the start fuel nozzle clean of carbon build up
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App is a self-sustaining unit. explain
As long as there is fuel it will keep running
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Fire bottle should read?
5-10
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App Fuel Supply
#2 right main
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What do the rectifiers do?
Convert AC->DC
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Low oil press
6 +/- 1 psi, 5-7
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where is the sandwich generator located?
between App Start motor and APP unit
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What 4 things does the AGB provide?
- Utility and 2nd Stage hydraulic systems, ground
- start of engines, and electrical systems
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5 reasons to abort an APP start
- 1.) acceleration hangs up for more than 4 seconds
- 2.)no rpm indication
- 3.)ex temp reaches/exceeds 621*C
- 4.) APP clutch fails to engage
- 5.)any of the 5 lights don't aluminate after 4
- seconds
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20%
92%
102%
110%
- ignition
- clutch engages
- run speed
- overspeed
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How long must you wait to prevent a hot start?
2min
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run fatboy run
- start- Small line- high press, low volume
- run- big line- low press, high volume
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cash foils
- clutch engage
- app on
- start meter
- hour meter
- fire detection
- overspeed
- ignition
- low oil pressure
- start valve secures
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