Prog 1 Excel Tester.xlsm - Oil System Flashcards
Engine Oil Px Limits
50-60 +/- 10
Oil supply tank capacity
8.65 US gal useable oil, 1.4 US gal unuseable, 6.3 US gal additional foaming space. (16.35 US gal total tank volume).
Normal oil Temp Limits
60-90 C
Extreme Cold Oil Temp Limits
50-60 C
OAT < -10 Oil Temp Limits
Leave pwr levers at Start till 40 C
T/O Oil Temp Limits
40 C and rising
Start Oil Temp Limits
Minimum -40 C
(Ground) Oil Temp Limits Flt Idle and below
100 C for 30 mins at Flt Idle and below
(Ground) Oil Temp Limits Above Flt Idle
100 C for 5 mins ABOVE Flt Idle then 90 C
in Flight Oil Temp Limits
100 C for 5 mins, then 90 C
Start Valve Light extinguishes
57-64%
Min Oil PSI for Start
25 PSI
Primary Fuel Pump (Parallel) Light Illuminates
16-65%
Starter Duty Cycle
60sec/30sec x3, then wait 30 mins or 60 sec/5min – Unlimited tries
What are the pre-conditions for the engine actuator to open the air inducer valve to provide an induced airflow through the oil cooler?
Oil-cooler flap fully open
PWR lever below flt idle
Engine Start selector switch off
At what pressure will OIL PRESS light illuminate on the horizontal annunciator panel (Engine Oil Px, RGB Oil Px)
Engine oil pressure - 40+/-5 PSI
RGB oil pressure - 130+/- 5 PSI
normal oil pressures
50 to 60 psi
maximum except during warm-up oil pressures
60 psi
maximum during warm-up oil pressures
100 psi
At 100% rpm under static sea level conditions, engine oil pressure is regulated to _____ - _____ PSI at 85 degrees C.
At 100% rpm under static sea level conditions, engine oil pressure is regulated to 50 - 60 PSI at 85 degrees C.
The RGB oil pressure may vary from _____ to _____ psi.
The RGB oil pressure may vary from 130 to 250 psi.
Oil tank is closed ______________
Electrically