(8)
Examine the top surface of the foreflap and midflap for worn parts.
S 824-041
(9)
If there are worn areas, adjust the fixed trailing edge panel clearance (AMM 57-22-01/501).
S 834-042
(10)
Adjust the inboard flaps (AMM 27-51-01/501).
NOTE: The aft roller support and inboard movable flap track fairing
____
are installed when the flaps are adjusted.
S 644-043
(11)
Lubricate the flap (AMM 12-21-20/301).
I.
Put The Airplane Back To Its Usual Condition.
S 844-069
(1)
Put the flap control lever in the 30-unit detent.
S 094-044
(2)
Remove the locking tools for the spoiler actuators or move the FLT CONTROL HYD POWER switches to NORM for system No. 4.
S 864-045
(3)
Pressurize hydraulic systems No. 1 and 4 (AMM 29-11-00/201).
S 864-056
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. WHEN YOU MOVE THE FLAP CONTROL LEVER WITH THE HYDRAULIC SYSTEM PRESSURIZED, THE FLAPS AND FLAP DRIVE MECHANISMS WILL MOVE QUICKLY. PERSONNEL CAN BE INJURED OR EQUIPMENT DAMAGED.
(4)
Put the flap control lever in the FLAP UP detent to retract the flaps.
S 864-047
(5)
Put the speed brake lever in the DOWN detent to move the spoilers down.
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A 747-400 MAINTENANCE MANUAL
(6) S 864-048Release the pressure in hydraulic systems No. 1 and 4 (AMM 29-11-00/201).
(7) S 864-049Close the 7G6 SPEED BRAKE AUTO CONT circuit breaker on P7 Overhead Circuit Breaker Panel.
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A
747-400 MAINTENANCE MANUAL
INBOARD FLAP - ADJUSTMENT/TEST
______________________________
1. General_______
A. There is one task in this procedure an adjustment of an inboard flap. The procedure has these parts:
(1)
An extension of the spoilers
(2)
The removal of the access panels
(3)
An adjustment of the inboard flaps at the downstop
(4)
An adjustment of the inboard flaps at the upstop
(5)
An adjustment of the droop and symmetry
(6)
An adjustment of the inboard flap clearances
(7)
An adjustment of the spoiler-to-flap clearance
(8)
An adjustment of the aileron-to-flap clearance
(9)
An adjustment of the aftflap
(10)
The installation of the access panels
(11)
A retraction of the spoilers
B.
You can do the inboard flap adjustment procedure with the movable flap track fairings installed or removed. But, if the procedure is done after the flap installation procedure, the movable flap track fairings will be installed as part of this procedure. Each flap can be adjusted independently. Thus, after a flap has been installed it is only necessary to adjust that flap.
TASK 27-51-01-805-001
2. Adjust The Inboard Flaps________________________
A. Special Tools and Equipment
(1)
3MIT65B02300 Spoiler No. 5 and 8 Locking Tool
(2)
2MIT65B04008 Manual Drive Tool
B.
Consumable Materials
(1)
C00259 Enamel - Primer, Green, BMS 10-11
(2)
A00247 Sealant - BMS 5-95, Class B
C.
References
(1)
AMM 06-09-08/201, Dimensions and Areas
(2)
AMM 09-11-00/201, Towing
(3)
AMM 24-22-00/201, Manual Control
(4)
AMM 27-11-00/501, Aileron and Aileron Trim Control System
(5)
AMM 27-51-39/401, Inboard Aftflap Drive Mechanism
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