Recurrent Flashcards
What are the 3 functions of the SRL computer?
Speed switching
Auto start - fuel enrichment
EGT computation
What are the speed switching functions of the auto start SRL computer?
- 10/60% auto start
- SRL EGT computation above 80%
- enable CAWI & EGT temperature limiting above 90%
When does the SRL computer open the bypass valve?
650 degrees
When is the fuel solenoid valve opened during engine start?
10%
When is an indication that the start fuel enrichment valve is priming during start?
Pulsating at 690 degree EGT
When does the temp limiter become active?
90% RPM
What should be the maximum normal indicated EGT during an auto start?
690 degree +- 5 %
How can the fuel solenoid valve be closed?
Stop button
Engine stop and feather
What is the engine starter duty time limitation?
1st attempt On 30 seconds
Off 60 seconds
2nd attempt. On 30 seconds
Off 60 seconds
3rd attempt. On 30 seconds
Off 15 minutes
When would the fuel shutoff valve need to be closed? Where is the valve and the switch that controls it?
Engine fire
(Or securing engine)
Located on firewall center control
What is the purpose of the starter locks?
Holds blades flat reducing drag for start
What keeps the NTS system from activating during landing?
NTS lockout valve
With the speed LOW and the power levers in ground idle, RPM should be between ____% and ____%.
70% - 72%
When is the start test switch used?
Residual start
(200 EGT or within 1 hour)
Or motoring engine
What is the maximum if you want balance during refueling?
837lbs or 125 gallons
I’d a L/R XFER light illuminates with 600/700lbs of fuel remaining, what action should the pilot take?
Turn on AUX pump
Or boost pump
The L/R FUEL lights are ___________ Lights. Where are they ?
Disagreement lights
Instrument panel
How is the outflow valve closed? Opened?
Spring loaded closed
Vacuum opened
What is the purpose of the pneumatic relay?
Speeds up reaction time controller to outflow valve
It the pressurization system loses vacuum, the _______ ________ will ______.
Outflow valve will close
When will the dump valve open?
- weight on wheels
- dump switch
- safety release @ 7.31 psi
Where is the CABIN PRESSURE SELECTOR?
Left console
Moving the CABIN PRESSURE MANUAL CONTROL to DECREASE does what?
Decreases Differential pressure increasing cabin altitude
At what altitude will the CABIN ALTITUDE annunciator light illuminate?
Above 10,000
