[hmlAlrBDl!U
Imm
111.11,
••••••
ENGINE AlRSTARTS (CONT)
WINDMlUJNG
AlRSTART
(FUEL
COMPUTER OFF)
•
Fuel
computer OFF airstarts should only be attempt-
ed when
fuel
computer ON operation
is
not
avail-
able.
•
Do
not
attempt
windmilling
airstart with
fuel
com-
puter
OFF
unless
airspeed is sufficient to maiIltain a
stabilized
Turbine Speed (N2) of 15% and Fan Speed
(Nl)
of
10% minimum. Starter assist airstarts must
be
used when stabilized Turbine Speed (N2) is
be10w
15%.
Affected
Engine:
1.
Ensure
that aircraft is
within
REUGHT
ENVELOPE
(below
20,000
feet)
as shown
in
Figure
3-3, this section.
2.
FUEL
CMPTR
Switch -
OFF.
3.
Thrust
Lever -
CUTOFF.
Wait
10
seconds to
allow
fuel
to drain·
from
engine.
4.
Fuel
Supply - Check.
a.
Fuel
available
from
wing tank.
b.
ARE
PULL
or
ENG
FIRE
PULL T-Handle - Push in.
5.
Fuel
Panel Switches - As
follows:
a.
JET
PUMP Switch - Off.
b.
STANDBY
PUMP
Switch - ON.
c.
CROSSFLOW
Valve
- CLOSED.
d.
FUS
TANK
XFER-ALL
SWitch
-
OFF.
e.
FUS
VALVE
(if
installed)
- CLOSED.
6.
START
-GEN
Switch -
OFF.
7.
Electrical
Load - Reduce.
S.
NAC
HEAT
Switch -
OFF.
9.
BLEED
AIR
Switch -
OFF.
10.
AIR
IGN
Switch -
ON.
Check
AIR
IGN
light illuminated.
11. Thrust Lever -
IDLE,
check
FUEL
FLOW
indication.
12. Turbine Temp
(1111-
Check rise within 10 seconds.
3-26
• If
Iight-off
has not occurred
within
10
seconds after
Thrust
Lever
is
placed
in
IDLE,
abort start.
•
If
engine accelerates above
SOOAl
Fan Speed
(Nl)
with
Thrust
Lever
in
IDLE,
abort start.
FAA APPROVED 4-30-76
REISSUED
2-25-81, CHANGE 10
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