(2)
24-22-00/201, Manual Control
(3)
27-11-00/501, Aileron and Aileron Trim Control System
(4)
29-11-00/201, Main Hydraulic Supply System
(5)
32-00-30/201, Landing Gear Door Locks
(6)
34-11-00/201, Pitot Static
(7)
36-00-00/201, Pneumatic System
B.
Access
(1)
Location Zone
592 Outboard Aileron, LH
692 Outboard Aileron, RH
(2)
Access Panel 591CB Outboard Aileron, Lower Wing Surface, LH 691CB Outboard Aileron, Lower Wing Surface, RH
C.
Do a Test on the Outboard Aileron Lockout Mechanism
S 714-031
(1)
Use one of the four subsequent procedures to do an operational check of the outboard aileron lockout:
(a)
Procedure 1 (Airplanes with two SRMs P/N 285U0015-108 or later)
1) Do the existing faults check for the aileron lockout system (Ref 27-11-00/501).
(b)
Procedure 2
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE
_______ LE AND TE FLAPS AND FLAP DRIVE MECHANISMS BEFORE YOU MOVE THE FLAP CONTROL LEVER. WITH HYDRAULIC POWER REMOVED, THE FLAPS WILL MOVE AUTOMATICALLY BY ELECTRICAL POWER WHEN YOU MOVE THE FLAP CONTROL LEVER. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
1) Move the flap control lever to the FLAP UP detent to retract the flaps.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-11-14
ALL ú ú 03 Page 409 ú Feb 10/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
CAUTION: DO NOT INCREASE OR DECREASE THE PITOT STATIC PRESSURE
_______ AT A RATE OF MORE THAN 4 KNOTS EACH SECOND. THIS IS TO PREVENT DAMAGE TO EQUIPMENT.
2) Pressurize the Captain's and the First Officer's pitot static systems to 232 knots maximum (AMM 34-11-00/201).
NOTE: Use the airspeed indicator on the primary flight
____
display to read the pressure.
3) Make sure the lockout actuator stays in the extended position (not locked out).
CAUTION: DO NOT INCREASE OR DECREASE THE PITOT STATIC PRESSURE
_______ AT A RATE OF MORE THAN 4 KNOTS EACH SECOND. THIS IS TO PREVENT DAMAGE TO EQUIPMENT.
4) Increase the pitot static pressure slowly to 245 knots minimum. 5) Make sure the lockout actuator moves to the retracted
position (locked out) in 45 seconds. 6) Turn the control wheels 80 degrees in each direction. 7) Make sure the movement of the outboard aileron trailing
edge is not more than | 0.50 degree (| 0.40 inch) from the neutral position.
CAUTION: DO NOT INCREASE OR DECREASE THE PITOT STATIC PRESSURE
_______ AT A RATE OF MORE THAN 4 KNOTS EACH SECOND. THIS IS TO PREVENT DAMAGE TO EQUIPMENT.
8) Decrease the pitot static pressure slowly to 225 knots. 9) Make sure the lockout actuator moves to the extended position (not locked out) in 45 seconds.
CAUTION: DO NOT INCREASE OR DECREASE THE PITOT STATIC PRESSURE
_______ MORE THAN 4 KNOTS EACH SECOND. THIS IS TO PREVENT DAMAGE TO EQUIPMENT.
10) Decrease the pitot static pressure to ambient.
(c) Procedure 3 1) Move the flap control lever to the FLAP UP detent to retract the flaps.
2) Open this circuit breaker and attach a DO-NOT-CLOSE tag: a) P7 Overhead Circuit Breaker Panel
-7A14 ADC R PWR
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-11-14
ALL ú ú 03 Page 410 ú Feb 10/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
CAUTION: DO NOT INCREASE OR DECREASE PITOT STATIC PRESSURE
_______ MORE THAN 4 KNOTS EACH SECOND. THIS IS TO PREVENT POSSIBLE DAMAGE TO THE LOCKOUT MECHANISM.
3) Pressurize the Captain's pitot static system to 232 knots maximum (AMM 34-11-00/201).
NOTE: Use the Captain's airspeed indicator on the primary
____
flight display to read the pressure.
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