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 (a)  Refer to the applicable chapter for the instructions to connect, install or do an operational test of the equipment.
 TASK 53-51-01-404-043
 5.  Wing-to-Body Fairing Installation - Upper Half (Fig. 401)______________________________________________
 A. General
 (1)  The wing-to-body fairing will be referred to as the fairing in this task.
 B. Standard Tools and Equipment
 (1)  Meter - Bonding
 C. Consumable Materials
 (1)  
G00009 Compound - Corrosion inhibiting, BMS 3-23

 (2)  
A00249 Compound - Sealing, BMS 5-26, Type II, Class A-2

 (3)  
A00247 Sealant - Chromate, BMS 5-95, Type I

 D. References
 (1)  
AMM 20-22-01/601, Electrical Bonding

 (2)  
AMM 51-51-00/801, Bonded Rub Pads

 (3)  
AMM 51-24-07/701, Skin and Fasteners

 (4)  
AMM 51-24-13/701, Water Displacing Corrosion Preventive Compound

 (5)  
IPC 53-51-01 Fig. 1 (Section 42)

 (6)  
IPC 53-51-01 Fig. 1 (Section 46)

 E. Access
 (1)  Location Zones 291 Fairing - Wing-to-Body, Forward, Upper Half, Left 292 Fairing - Wing-to-Body, Forward, Upper Half, Right 293 Fairing - Wing-to-Body, Aft, Upper Half, Left 294 Fairing - Wing-to-Body, Aft, Upper Half, Right
 F. Procedure
 S 214-027
 (1)  Examine the mating surfaces on the structure and the fairing panel.
 (a)  Make sure all of the mating surfaces are clean and free from any contamination or painting.
 S 214-028
 (2)  Make sure the teflon rubstrip is in a good condition.
 (a)  If it is necessary, repair the teflon rubstrip (AMM 51-51-00/801).
 S 214-029
 (3)  Make sure the fasteners and the area around the fastener holes are clean.
 NOTE:  Fastener locations with stainless steel fasteners are usually at 4 locations per panel, (1) at each corner.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
 (4)  S 024-030Remove any paint or primer covering the conductive surface at the panel in the area underneath dimpled washer (Fig. 401).
 (5)  S 214-031If the conductive surface is flame sprayed aluminum, do the following: (a) Apply alodine over exposed aluminum (b) Install fasteners (stainless bolt and dimpled washer). (c) Measure the resistance as shown in Figure 401.
 NOTE:____ Maximum resistance shall not exceed 0.5 OHMs.
 (d)  Touch up finish
 (6)  S 214-032If the conductive surface is anti-static coating, do the following: (a) Apply anti-static paint over exposed area (b) Install fasteners (stainless steel bolt and dimpled washer) (c) Measure the resistance as shown in Figure 401.
 NOTE:____ Maximum resistance shall not exceed 300,000 OHMs.
 (d)  Touch up finish.
 NOTE:____ Do not apply anti-static paint to flame sprayed aluminum.
 (7)  S 114-033Clean the body skin and the fasteners (AMM 51-24-07/701) for correct electrical bonding after the installation of the fairing.
 (8)  S 374-034Apply the corrosion preventive compound, MIL-C-11796, to the flanges on the fairing which touches the structure.

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 394-050
 CAUTION:_______ DO NOT APPLY SEALANT BETWEEN FAIRING THAT HAVE HI-FLOAT
 NUTPLATES.  STRUCTURAL DAMAGE TO THE FAIRING PANELS CAN RESULT
 DURING FLIGHT IF YOU APPLY SEALANT INCORRECTLY.
 DO NOT APPLY SEALANT IN THE FAIRING-TO-SKIN JOINTS WHERE THERE
 ARE FLEXIBLE SEALS INSTALLED.  STRUCTURAL DAMAGE TO THE

 FAIRINGS CAN RESULT IF YOU APPLY SEALANT INCORRECTLY.
 (9)  
Apply the sealing compound, BMS 5-26 or BMS 5-95, to the flanges on the fairing which touches the body skin.
　
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