(6)
Do this task: "Leading Edge Flap Retraction: (Ref 27-81-00/201).
S 862-080
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S 862-081
(7)
Remove the DO-NOT-OPERATE tag for the flap control lever.
S 862-050
(8)
Remove electrical power if it is not necessary (Ref 24-22-00/201).
TASK 33-42-02-962-051
4. Transformer Replacement (Fig. 205)_______________________
A. Special Tools and Equipment
(1) Lock, Leading Edge Flap Drive Unit (Ref 27-81-00/201)
B. Parts ~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 203 | 1 | Mounting screw | 33-42-02 | 01 | 15 | | | 2 | Transformer | | | 10 | 2......…........…...................................…............….....….......1
C. References
(1)
20-11-14/701, Metal Surfaces, Cleaning and Preperation for Bonding
(2)
24-22-00/201, Manual Control, Electrical Power Generation System
(3)
27-81-00/201, Leading Edge Flap System
(4)
SSM 33-42-10
D. Access
(1) Location Zone
511 Leading Edge to Front Spar, Left
611 Leading Edge to Front Spar, Right
E. Procedure
S 862-127
(1) Prepare to replace the transformer
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 AND DAMAGE TO EQUIPMENT.
(a) Do this task: "Leading Edge Flap Extension" (Ref 27-81-00/201).
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LEADING EDGE CAVITY ACCESS DOORS
SEE A
INSTALLED) DOOR (WHEN CAVITY ACCESS LEADING EDGE TRANSFORMERS 2. LANDING LIGHT WING RIB TRANSFORMER AND SURFACE BETWEEN CRITICAL FAYING
15V AC IN 4. CONNECTOR 3. OUTPUT WIRES
SEE B (EXAMPLE) 5. GROUND STUDS
FLAP (REF) KRUEGER LIGHT LANDING OUTBOARD (4 LOCATIONS) SCREWS 1. MOUNTING
TRANSFORMER INSTALLATION (ON LEADING EDGE BETWEEN LANDING LIGHTS)
A B
Figure 205 Landing Light Transformer Replacement
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WARNING:
_______
(b)
(c)
(d)
(e)
(f)
(g)
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MAINTENANCE MANUAL
YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO INSTALL
THE LE FLAP SAFETY LOCKS. THE LE FLAPS CAN MOVE QUICKLY IF YOU
DO NOT INSTALL THE SAFETY LOCKS CORRECTLY. THIS CAN CAUSE
INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
Do this task: "Extended Leading Edge Flap Deactivation and
Safety Lock Installation" (Ref 27-81-00/201).
Install a DO-NOT-OPERATE tag on the flap control lever.
Get access to the rear of the landing light through the access
door.
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本文链接地址：747-400 AMM 飞机维护手册 灯 LIGHTS(90)
