~~lA1[RDrnlr
;mm
llilill
•••••
1
ENGINE AlRSTARTS (CONT) .
WlNDMlUJNG
AlRSTART
(FUEL
COMPUTER ON)
Do
not attempt
windmilling
airstart with
fuel
computer
ON unless airspeed
is
sufficient to maintain a
stabUized
Turbine Speed
(N2)
of 15%
minimum
and indication
of
fan
rotation. Starter assist airstarts
must
be used when
stabUized
Turbine Speed
(N2)
is
below
15%.
Affected
Engine:
1. Ensure that aircraft is within REUGHf
ENVELOPE
as
shown
in
Figure
3-3,
this
section.
2. Thrust Lever -
CUTOFF.
Wait
10 seconds to
allow
fuel
to drain
from engine.
3.
Fuel
Supply - Check.
a.
Fuel
available
from
wing
tank.
b.
FIRE
PUlL
or
ENG
FIRE
PUlL
T-Handle - Push in.
4.
Fuel
Panel Switches -
As
follows:
a. JET PUMP
Switch
- ON.
b.
STANDBY
PUMP
Switch - ON.
c.
CROSSFLOW
Valve
- CLOSED.
d.
FUS
TANK
><FER-ALL
Switch -
OFF.
e.
FUS
VALVE
(if
installed)
-
CLOSED.
5.
START
-GEN
Switch -
OFF.
6. Electrical Load -
Reduce.
7.
NAC
HEAT
Switch -
OFF.
-
8.
BLEED
AIR
Switch -
OFF.
9.
AIR
IGN
Switch -
ON,
check
AIR
IGN
light
illuminated.
10. Thrust Lever -
IDLE.
Check
FUEL
FLOW
indication.
11. Turbine Temp
(ITT)
- Check rise within 5 seconds.
12.
If
light-off has not occurred within 5 seconds after the thrust
lever
is
placed
in
IDLE
position; SPR Switch -
Energize,
then release at
300°-400° Turbine Temp (ITT). Check rise
within
5 seconds.
13.
AIR
IGN
Switch -
OFF
at 45% Turbine Speed
(N2).
Check
AIR
IGN
light
extinguished.
14.
START
-GEN
Switch -
GEN
at
idle.
15. Engine Instruments -
Normal
indications.
16.
STANDBY
PUMP
Switch
-
Off.
17.
BLEED
AIR
Switch -
ON.
18.
NAC
HEAT
Switch - On as required.
3-20
FAA
APPROVED
4-30-76
REISSUED
2-25-81,
CHANGE
10
To Next Page
Loading...
