Ranges and Limits Flashcards
Engine Starter Duty Cycle
5 minutes on; 2 minutes off
5 minutes on; 2 minutes off
5 minutes on; 10 minutes off
Starter Inlet air pressure
25 PSI minimum after starter valve is open and pressure has stabilized on manifold gage
Time to light-off
20 seconds after N2 reaches 15%
Starting time, EGT increase (light off) to idle
2 minutes maximum
Starting Oil pressure
positive indication
Idle oil pressure
10 PSID minimum
80% N2 oil pressure
22 - 52 PSID
Oil pressure at takeoff power setting
29 - 80 PSID
Normal Oil consumption
0.28 qt/hr
Scavenge oil temperature at normal operation
-50 degrees C to 160 degrees C
Maximum oil consumption
0.56 qt/hr
Scavenge oil temperature after 15 minutes
160 degrees C to 175 degrees C (shutdown engine)
Maximum scavenge oil temperature
175 degrees C (shutdown engine)
Hydraulic pump pressure at normal operation
3000 (+/- 150) PSIG
Maximum hydraulic pump pressure
3150 PSIG