TM 1-1510-223-10
6.
Setting AVIONICS MASTER POWER switch
(overhead control panel) to the off (aft) position.
7.
Setting aircraft MASTER switch (overhead
control panel) to the OFF position
8.
Setting the AUTO PLT power switch (overhead
control panel) to off.
c.
Unscheduled
Rudder
Boost
Activation.
Rudder boost operation without a large variation of
power between engines indicates a failure of the
system. Perform the fol- lowing:
1.
AP & YD/RIM DISC switch (control wheel) -
Disconnect and hold (hold to first level).
(2.) RUDDER BOOST switch - OFF.
3.
RUDDER
BOOST
circuit
breaker
-
Pull
(Provided
that
rudder
boost
does
not
deactivate).
4.
AP & YD/TRIM DISC switch - Release.
(5.) Yaw damper - Reengage (if RUDDER BOOST
circuit breaker is not pulled).
d.
Unscheduled Electric Trim. In the event of
unscheduled
electric
elevator
trim,
perform
the
following:
1.
ELEV TRIM switch - OFF.
2.
ELEC TRIM circuit breaker - Pull.
9-30. LANDING EMERGENCIES.
Structural damage may exist after landing
with
brake,
tire,
or
landing
gear
malfunctions. Under no circumstances shall
an attempt be made to inspect the aircraft
until jacks have been installed.
a.
Landing Gear Unsafe Indication.
1.
LDG GEAR CONTR switch - Check DN.
(2.) LANDING GEAR CONTROL and LANDING
GEAR IND circuit breakers - Check in.
3.
GEAR DOWN lights - Check illuminated.
If indication remains unsafe:
4.
Landing gear emergency extension - Perform.
If for any reason the green GEAR DOWN
lights do not illuminate (e.g., in case of an
electrical system failure), continue pumping
until sufficient resistance is felt to ensure
that the gear is down and locked. Do not
stow the LANDING GEAR ALTERNATE
EXTENSION pump handle, but leave it in
the full up position. The landing gear
cannot be manually retracted in flight.
b.
Landing Gear Emergency Extension.
1.
Airspeed - Below 179 KIAS.
(2.) LANDING GEAR CONTROL circuit breaker -
Pull.
3.
LDG GEAR CONTPR switch - DN.
4.
LANDING GEAR ALTERNATE EXTENSION
pump handle - Unstow.
5.
LANDING GEAR ALTERNATE EXTENSION
pump handle Pump until the three green GEAR
DOWN annunciators illuminate and red gear
handle lights extinguish
6.
LANDING GEAR ALTERNATE EXTENSION
pump handle - Stow (secure in clip).
c.
Gear-up Landing.
1.
Crew emergency briefing - Completed.
(2.) Loose equipment - Stowed.
(3.) ENVIRO & PNEU BLEED AIR valve switches -
PNEU ONLY.
(4.) CABIN PRESS switch - DUMP.
(5.) Cabin emergency hatch - Remove and stow.
6.
Seat belts and harnesses - Secured.
7.
LANDING GEAR ALTERNATE EXTENSION
pump handle - Stowed.
(8.) LANDING GEAR, CONTROL circuit breaker -
In.
9.
Gear- UP.
(10)
Nonessential electrical equipment - Off.
11. Flaps - As required (DOWN for landing).
NOTE
Fly a normal approach to touchdown. Avoid
touching down in a nose-high attitude.
9-12