Limits: Oil Pressure and Temperature Flashcards
Oil Press at Low RPM in RGB
250 except start and warmup 50
Oil Press at Normal RPM in RGB
250 except start and warm up 150 PSI
Operation below 150 psi when rpm is below 100% is permitted. If RGB
Oil Press at Low RPM and Normal RPM in PWR Section
100 start and warmup only, then 50-60 PSI
Oil Press Low Light on in PWR Section
40 PSI
Oil Press Low Light on in RGB Section
130 PSI
Allowable Oil Press Fluctuation in RGB
+/- 20 PSI
Allowable Oil Press Fluctuation in PWR Section
+/- 5 PSI
Normal Oil Temp
60-90 C
100 C oil temp is maximum allowed only for 30 mins in Beta and 5 mins in Alpha
Oil Hot Light On
100 C
Max Time for Oil Hot Light On (Beta)
30 min
Max Time for Oil Hot Light on (Alpha)
5 min
Min Oil Temperature for Start
-40 C
Oil Pressure for Start
Positive Pressure by 35% RPM
Oil Temperature for Takeoff
90 C (100 C limits in Alpha and Beta apply) 60 to 90 C is normal 40 C (Operation with temp from 50-60 C is permitted under extremely cold conditions provided all oil pressure limitations are maintained, when temp reaches 40 C Max power may be applied)
After returning to a positive G condition, following a negative G flight, shut down the engine if oil pressure fluctuates for more than ___ seconds
15