FAA APPROVED 4-30-76 2-11
REISSUED 2-25-81, CHANGE 13
BEFORE STARTING ENGINES (CONT)
(2) TEST Button — Depress. FIRE PULL or ENG FIRE PULL
T-Handle shall illuminate and flash. This indicates continu-
ity of the fire detect systems.
(3) TEST Button — Release.
It is recommended that one engine be started after
Step c if external power is not being used. Refer to
STARTING ENGINES this section.
d. Cabin Altitude Warning — Check:
(1) TEST Selector Switch — Rotate to CABIN ALT, then
depress and hold TEST button. Cabin altitude warning
horn shall sound.
(2) HORN SILENCE Switch — Momentarily engage. Cabin
altitude warning shall cease.
(3) TEST Button — Release.
e. Stick Puller/Mach Warning Check:
(1) PRI or SEC INVERTER Switch — PRI or SEC.
(2) Set Pitch Trim within T.O. segment on PITCH TRIM indi-
cator.
(3) L STALL WARNING Switch — On.
(4) TEST Selector Switch — Rotate to MACH.
(5) Depress and hold TEST button. Control Column shall
move aft with approximately 18 pounds force and the
aural overspeed warning shall sound.
(6) TEST Button — Release.
f. Mach Trim Check:
(1) TEST Selector Switch — Rotate to MACH TRIM.
(2) Depress and hold TEST Button. The stabilizer should trim
slowly in the nose up direction for 1 to 3 seconds and then
stop. The MACH TRIM warning light shall illuminate and
the overspeed warning horn shall sound.
(3) TEST Button — Release. MACH TRIM warning light shall
go out and overspeed warning horn shall cease.
g. Stall Warning System Check:
During heavy wind conditions, it may be necessary to
head aircraft into the wind to prevent wind from blow-
ing stall warning vanes up.
(1) Flaps — UP.
(2) STALL WARNING Switches — On.
(3) Rotate TEST Selector Switch to L STALL — Depress and
hold TEST button. The pilot’s angle-of-attack indicator
needle will begin to sweep from the green segment to the
red segment.
NOTE
NOTE
FAA APPROVED 4-30-76 2-11
REISSUED 2-25-81, CHANGE 13
BEFORE STARTING ENGINES (CONT)
(2) TEST Button — Depress. FIRE PULL or ENG FIRE PULL
T-Handle shall illuminate and flash. This indicates continu-
ity of the fire detect systems.
(3) TEST Button — Release.
It is recommended that one engine be started after
Step c if external power is not being used. Refer to
STARTING ENGINES this section.
d. Cabin Altitude Warning — Check:
(1) TEST Selector Switch — Rotate to CABIN ALT, then
depress and hold TEST button. Cabin altitude warning
horn shall sound.
(2) HORN SILENCE Switch — Momentarily engage. Cabin
altitude warning shall cease.
(3) TEST Button — Release.
e. Stick Puller/Mach Warning Check:
(1) PRI or SEC INVERTER Switch — PRI or SEC.
(2) Set Pitch Trim within T.O. segment on PITCH TRIM indi-
cator.
(3) L STALL WARNING Switch — On.
(4) TEST Selector Switch — Rotate to MACH.
(5) Depress and hold TEST button. Control Column shall
move aft with approximately 18 pounds force and the
aural overspeed warning shall sound.
(6) TEST Button — Release.
f. Mach Trim Check:
(1) TEST Selector Switch — Rotate to MACH TRIM.
(2) Depress and hold TEST Button. The stabilizer should trim
slowly in the nose up direction for 1 to 3 seconds and then
stop. The MACH TRIM warning light shall illuminate and
the overspeed warning horn shall sound.
(3) TEST Button — Release. MACH TRIM warning light shall
go out and overspeed warning horn shall cease.
g. Stall Warning System Check:
During heavy wind conditions, it may be necessary to
head aircraft into the wind to prevent wind from blow-
ing stall warning vanes up.
(1) Flaps — UP.
(2) STALL WARNING Switches — On.
(3) Rotate TEST Selector Switch to L STALL — Depress and
hold TEST button. The pilot’s angle-of-attack indicator
needle will begin to sweep from the green segment to the
red segment.
NOTE
NOTE