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GF1810_089
NOTE
The EEC does not protect the engine
from overtemp or any start anomalies
during a manual start.
1.00
2.5
26
20.0
230
28
18
1.65
START
IG
N
N2
FF (PPH)
OIL TEMP
OIL PRESS
EPR
N1
ITT
TO
SYNC
ENGINE
L RUN R
OFF OFF
· At approximately 42% N2, IGN off and at approximately 45% N2 START off (SAV closed).
During manual start, the EEC will not limit ITT, the crew must abort the start in case of starting
anomalies. After completion of the manual start sequence, the crew select IGNITION to Normal
and may then return the START SELECT switch to AUTO.
Engine Shutdown
The normal engine shutdown sequence is as follows:
· Place thrust lever in IDLE position.
GF1810_090
THRUST
REV
MAX
MAX REV
IDLE
POWER PLANT
Rev 2A, Apr 11, 2005 Flight Crew Operating Manual
CSP 700−5000−6
Volume 2
18−10−63
STARTING AND IGNITION (CONT'D)
Engine Shutdown (Cont’d)
· Place ENGINE RUN switch to the OFF position, when engine has stabilized at Idle.
GF1810_091
L ENG SHUTDOWN
ENGINE
L RUN R
OFF OFF
The EEC will reset (in preparation for the next engine start) after ENGINE RUN switch has been
selected to OFF.
Dry Cranking
Dry cranking of the engine is accomplished as follows:
· Ensure ENGINE RUN switch is selected to OFF.
· Ensure IGNITION switch is Normal (the EEC will inhibit IGNITION when CRANK is selected,
unless IGNITION has been selected to ON).
· Select START SELECTOR to L CRANK or R CRANK.
GF1810_092
ENGINE
L RUN R
OFF OFF
ENGINE
IGNITION L CRANK L CRANK
AUTO
ENG START
The EEC will open the SAV and activate the starter motor (if N2 below starter reengagement
speed). The EEC will keep the starter motor operating as long as the N2 is below starter
disengagement speed (approximately 45% N2), for 3 minutes maximum.
The crew can stop cranking by selecting START SELECTOR to AUTO.
Wet Cranking
Wet cranking is normally performed by maintenance personnel.
Wet cranking of the engine is accomplished as follows:
· Ensure IGNITION switch is Normal (the EEC will inhibit IGNITION when CRANK is selected,
unless IGNITION has been selected to ON).
· Select START SELECTOR to L CRANK or R CRANK.
· Select ENGINE RUN switch to ON (HPSOV opens allowing fuel to the engine burners).
POWER PLANT
Flight Crew Operating Manual Rev 3, Apr 25, 2005
CSP 700−5000−6
Volume 2
18−10−64
STARTING AND IGNITION (CONT'D)
Wet Cranking (Cont’d)
GF1810_093
ENGINE
L RUN R
OFF OFF
ENGINE
IGNITION L CRANK L CRANK
AUTO
ENG START
The EEC will open the SAV and activate the starter motor (if N2 below starter reengagement
speed). The EEC will keep the starter motor operating as long as the N2 is below starter
disengagement speed (approximately 45% N2), for 3 minutes maximum.
Starting Anomalies
Automatic Ground Start Abort
Any of the following events will result in an automatic ground start abort:
· Crew selecting ENGINE RUN switch to OFF.
· N2 speed not greater than or equal to 15% (120 seconds from ENGINE RUN switch ON).
· Idle speed not achieved (120 seconds from HPSOV open).
· Starter cutout not being reached within starter duty timer (180 seconds from SAV open).
· ITT exceeding the ground start limit (700°C) after lightoff
and during acceleration to Idle.
Manual Ground Start Abort
Any of the following events will result in a manual ground start abort:
· Crew selecting ENGINE RUN switch to OFF.
· Crew selecting the START SELECTOR switch to AUTO.
· Crew selecting the IGNITION switch to Normal.
Automatic Air Start Abort
Any of the following events will result in an automatic air start abort:
· Crew selecting ENGINE RUN switch to OFF.
· N2 speed not greater than or equal to 8% (60 seconds from ENGINE RUN switch ON).
· Idle speed not achieved (600 seconds from HPSOV open).
· Starter cutout not being reached within inflight starter duty timer (180 seconds from SAV
open).
POWER PLANT
Rev 3, Apr 25, 2005 Flight Crew Operating Manual
CSP 700−5000−6
Volume 2
18−10−65
STARTING AND IGNITION (CONT'D)
AutoRelight
The EEC provides an AutoRelight
function to detect and recover an engine flameout.
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