(2)
AMM 32-00-30/201, Landing Gear Door Locks
B.
Access
(1)
Location Zone
137 Body Landing Gear Well, LH
C.
Prepare for the Removal
S 864-002
(1) Do this task to pressurize hydraulic systems No. 1 and 4: "Hydraulic System Pressurization" (AMM 29-11-00/201)
S 864-012
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.
(2)
Put the flap control lever in the UP detent to retract the trailing edge flaps.
S 864-004
(3)
Do this task to depressurize hydraulic systems No. 1 and 4: "Hydraulic System Depressurization" (AMM 29-11-00/201).
(4)
Make sure the landing gear ground locks are installed.
S 864-005
S 494-006
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO INSTALL
_______ THE DOOR LOCKS ON THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT INSTALL THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(5) Do this task: "Installation of the Door Locks on the Body Landing Gear" (AMM 32-00-30/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-51-37
ALL ú ú 01 Page 401 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
S 864-013
(6)
Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a)
P6, Main Power Distribution Panel
1) 6E1, PRI TE FLAP CONT AC
2) 6E2, PRI TE FLAP CONT DC
D.
Remove the Flap Actuator
S 034-009
(1)
Disconnect the electrical connector (Fig. 401).
S 024-010
(2)
Remove the flap actuator:
(a)
Remove the bolts, washers and nuts that attach the actuator to the input lever and to the housing.
(b)
Remove the actuator from the housing.
TASK 27-51-37-404-011
3. Flap Actuator Installation
__________________________
A. References
(1)
AMM 24-22-00/201, Manual Control
(2)
AMM 29-11-00/201, Main Hydraulic Supply System
(3)
AMM 32-00-30/201, Landing Gear Door Locks
B.
Access
(1)
Location Zone
137 Body Landing Gear Well, LH
C.
Procedure
S 424-014
(1)
Install the flap actuator (Fig. 401):
(a)
Put the actuator into the housing.
(b)
Attach the actuator to the housing and the input lever with the bolts, washers and nuts.
S 434-013
(2)
Connect the electrical connector.
D.
Do the Flap Actuator Test
(1)
Do this task: "Supply Electrical Power" (AMM 24-22-00/201).
S 864-015
(2)
Do this task to pressurize hydraulic systems No. 1 and 4: "Hydraulic System Pressurization" (AMM 29-11-00/201)
S 864-014
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-51-37
ALL ú ú 01 Page 402 ú Jun 18/01
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本文鏈接地址：747-400 AMM 飛機維護手冊 飛行操縱 FLIGHT CONTROLS 5(80)
