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A
747-400 MAINTENANCE MANUAL
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).
S 864-022
(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 Input Lever Assembly
S 034-007
(1) Do this task to remove the torque tube between the inboard flap power package and the support: "Torque Tube Removal" (AMM 27-51-20/401).
NOTE: Do not turn the flap drive system after you remove a torque
____ tube. It will be necessary to do the flap drive system adjustment.
S 034-008
(2)
Disconnect the control rods from the inboard and outboard flap power packages (Fig. 401):
(a)
Remove the bolts, washers, nuts, and bushings.
S 034-009
(3)
Disconnect the electrical connector.
S 024-010
(4)
Remove the input lever assembly:
(a)
Remove the bolts and washers that attach the housing to the forward bulkhead.
(b)
Remove the bolts, washers, and nuts that attach the housing to the center bulkhead.
(c)
Remove the shims and keep them for the installation.
(d)
Lift the input lever assembly up and outboard. Help the control rod out of the center bulkhead.
TASK 27-51-35-404-011
3. Flap Control Input Lever Assembly Installation
______________________________________________
A. Consumable Materials
(1) B00316, Solvent - Aliphatic Naphtha, TT-N-95, Type I
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27-51-35
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A
747-400
MAINTENANCE MANUAL
FLAP CONTROL INPUT LEVER ASSEMBLY
A
Flap Control Input Lever Assembly Installation
Figure 401 (Sheet 1)
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27-51-35
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747-400 MAINTENANCE MANUAL
BL 0
CHECK NUT (EXAMPLE)
A
1
CENTER
INPUT LINK
INBOARD FLAPS BULKHEAD
INPUT LEVER
ACTUATOR
ELECTRICAL
CONNECTOR
TORQUE TUBE
CONTROL ROD
A
OUTBOARD FLAPS
HOUSING INPUT LINK SHIM (4 LOCATIONS)
BOLT, NUT AND WASHER (4 LOCATIONS)
FLAP CONTROL INPUT LEVER ASSEMBLY
B
SHIM
BOLT
WASHER
(2 LOCATIONS)
INPUT LEVER ASSEMBLY
FORWARD
BULKHEAD
TORQUE TUBE
1
10.57 |0.010 INCHES (268.5 |0.25 mm)
WHEN THE FLAP CONTROL LEVER IS IN
THE UP POSITION.
A-A
Flap Control Input Lever Assembly Installation Figure 401 (Sheet 2)
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27-51-35
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A
747-400
MAINTENANCE MANUAL
(2)
A00247, Sealant - BMS 5-95
B.
References
(1)
AMM 20-11-14/701, Metal Surfaces
(2)
AMM 20-22-01/601, Electrical Bonding
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