S 014-005
(4)
Remove the wing access panel if it is necessary. Refer to (AMM 06-09-08/201 and Fig. 401 for access door identification.
S 014-006
(5)
Remove the applicable strut access door. Refer to AMM 06-09-09/201 and Fig. 401 for access door identification.
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A
747-400 MAINTENANCE MANUAL
S 014-032
(6)
For center duct thermal switches, remove applicable access door. Refer to Fig. 401 for access door identification.
S 034-007
(7)
Disconnect the electrical connection or splice of the switch where applicable.
S 164-008
(8)
Remove the sealant around the switch on the top, the bottom of the midspar, and around the electrical connection where applicable.
S 164-035
(9)
Remove the terminal lugs when applicable.
S 034-009
(10)
Remove the nut and the washers.
S 024-010
(11)
Remove the switch.
TASK 26-18-02-404-011
3. Installation of the Thermal Switch (Fig. 401)__________________________________
A. Special Tools and Equipment
(1)
17MIT65B04017 - Lock - Drive Unit, Leading Edge Flap
B.
Consumable Materials
(1)
A00280 Sealant - RTV 3145 or equiv
(2)
A00247 Sealant - BMS 5-95
(3)
B00184 Solvent - BMS 11-7
(4)
G00507 Cloth - Lint Free
C.
References
(1)
AMM 06-09-09/201, Nacelle and Engine-to-Wing Fairing Access Doors and Panels
(2)
AMM 06-09-08/201, Wing Access Doors and Panels
(3)
AMM 24-22-00/201, Manual Control
(4)
AMM 26-18-00/501, Wing Leading Edge Overheat Detection System
(5)
AMM 27-81-00/201, Leading Edge Flap System
(6)
AMM 31-61-00/201, Integrated Display System
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
(7)
AIPC 26-18-01, Fig. 2
(8)
WDM 26-18-15, WDM 26-18-16, WDM 26-16-17, WDM 26-18-18
(9)
WDM 20-30-12
D. Access
(1)
Location Zone
133 Air Conditioning Equipment Bay, Left
134 Air Conditioning Equipment Bay, Right
137 Body Landing Gear Well, L.H.
138 Body Landing Gear Well, R.H.
452 Nacelle Strut 1 - Torque Box
462 Nacelle Strut 2 - Torque Box
472 Nacelle Strut 3 - Torque Box
482 Nacelle Strut 4 - Torque Box
511 Leading Edge to Front Spar, Left 521 Leading Edge to Front Spar, Left 531 Leading Edge to Front Spar, Left 611 Leading Edge to Front Spar, Right 621 Leading Edge to Front Spar, Right 631 Leading Edge to Front Spar, Right
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