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Thrust rating of the engine
5,527 lbs
N
1
RPM above which the EGT/RPM warning illuminates?
112.4 +/- 1%
Max N
2
RPM at MRT
104%
Max N
2
RPM for transient accelerations
106% (page 4-2)
Max continuous N
2
RPM
100%
N
2
RPM not to be exceeded in manuel fuel control in order to prevent N
1
overspeed below 20,000 ft
95%
N2 RPM not to be exceeded in manuel fuel control in order to prevent N1 overspeed above 20,000 ft
90%
Approach IDLE, minimum RPM gear down and no WOW
72%
% RPM at which bleed valve closes during initial engine acceleration
61 +/- 4%
IDLE RPM range on standard day (after bleed valve closes)
NOTE 1
55 +/- 2%
IDLE RPM which should be obtained within 30 sec after selecting IDLE
52%
RPM at which ignition is turned off
45%
RPM at which GTS automatically shuts down
45%
Approximate RPM at which bleed valve opens during initial engine shutdown
45%
RPM at which READY and GTS advisory lights are extinguised
45%
RPM above which ATS start valve is inhibited from opening (to reduce gear stress on ATS clutch)
20%
Minimum N
2
RPM required for engine start
15%
Approximate increase in IDLE RPM after compressor bleed valve closes
3%
Maximum shift in IDLE RPM between poststart and engine shutdown checks (NOTE 4)
2%
Increase allowed IDLE RPM for each 1,500' altitude and every 10
o
C in ambient temp (NOTE 4)
1%
EGT above which the EGT/RPM warning illuminates
650 +/- 8
o
C
Maximum EGT for transient accelerations
645
o
C (< 20 sec)
Max EGT at MRT
610
o
C (30 min / hr)
Max continuous EGT limit
550
o
C
Max EGT during ground start (NOTE 2)
550
o
C (No more than 570
o
C for 10 sec)
Max EGT during air start (NOTE 3)
600
o
C (No more than 650
o
C for 10 sec)
Max EGT at IDLE
450
o
C
Firewire temperature required for FIRE warning light to illuminate
300
o
C
Firewire temperature required for TAILPIPE HOT warning to illuminate
150
o
C
Approximate decrease in EGT after compressor bleed valve closes
50
o
C
Maximum overshoot above 600
o
C during airstart (10 seconds max)
50
o
C
Max overshoot above 550
o
C during ground start (10 seconds max
20
o
C
Max time limit at MRT
30 min / flight hour
Minimum interval after three GTS start attempts
30 min
Minimum interval between each GTS start attempt
3 min
Time bleed valve remains open after GTS assisted start using manual fuel
60 seconds
Max time ignition system can remain on
45 seconds
Time that firewire must remain below 300
o
C for FIRE warning to go out
45 seconds
Time allowed for GTS to reach GTS IDLE before automatic shutdown
30 seconds
Time ignition system remains on after GTS button release during airstart
30 seconds
Max allowable time for GTS advisory light to illuminate while in flight
28 seconds
Max time for EGT to remain above 600
o
C during transient accelerations
20 seconds
Max allowable time for GTS advisory light to illuminate at sea level
20 seconds
Max allowable time for READY advisory to illuminate
15 seconds
Max allowable time engine light-off after moving throttle to IDLE
15 seconds
Max time for EGT to remain normal limit during ground start/airstart (for 20
o
C overshoot)
10 seconds
Px below which the LP PRESS caution light illuminates
35 psi
Oil px differential below which the OIL PRESS caution light illuminates
10 psi
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Author
Anonymous
ID
176604
Card Set
Engine Systems
Description
Engine Systems
Updated
2012-10-09T23:05:23Z
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