S 422-038
(2)
Apply the base to the aileron surface. Make sure the base is aligned with the slip stream. Make sure the holes in the base are aligned with the screw retainers in the aileron.
S 642-040
(3)
Apply the sealant to four mounting screws.
S 432-039
(4)
Install the mounting screws wet.
S 402-041
(5)
Fill any holes with the sealant.
(a) Make sure there are no cracks.
S 402-042
(6)
Apply the sealant around the edge of the base to make a fillet seal.
S 402-043
(7)
Permit the sealant to cure.
S 412-044
(8)
Install the static discharger. Refer to the Static Discharger Installation section.
G. Install the Static Discharger Base to Aluminum Skin, Kevlar Surface or Adapter Assembly:
S 842-045
(1) Refer to the instructions on the container to mix the sealant.
NOTE: Apply the sealant only when the temperature of the structure
____
is at 50°F or above.
S 802-046
(2) Do the step that follows in less than 5 minutes after the surfaces are cleaned.
(a) Apply a thin coat of sealant to the mounting surfaces of the base and airplane or adapter. Make sure the concave surfaces are filled with sealant and that there are no holes.
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S 422-047
(3) Apply the base to the airplane surface (skin or adapter). Twist with light pressure to move out unwanted sealant.
(a)
Make sure the base is aligned with the slip stream.
(b)
Clean away any unwanted sealant.
S 402-048
(4) Fill any holes with the sealant.
(a) Make sure there are no cracks.
S 432-049
(5)
Rivet the base to the airplane (aluminum, Kevlar or adapter). Refer to Structural Repair Manual.
S 402-050
(6)
Apply the sealant around the edge of the base to make a fillet seal.
S 402-051
(7)
Permit the sealant to cure.
S 432-052
(8)
Install the static discharger. Refer to the Static Discharger Installation section.
H. Static Discharger Base Installation Test:
S 212-053
(1) When the sealant is fully cured, make sure there are no cracks in the sealant fillet.
S 222-073
WARNING:_______MAKE SURE THAT THE BONDING METER IS RESISTANT TO EXPLOSION. IF NOT, IT IS POSSIBLE THAN AN EXPLOSION OR FIRE CAN OCCUR.
(2) Use a bonding meter (SWPM 20-20-00) to measure the dc resistance between the static discharger base and the bonded airplane surface.
NOTE: This resistance measurement is for a newly installed
____ retainer and a new bond. The resistance measurement is different for an in-service bond and retainer.
(a)
ALUMINUM DISCHARGER BASE INSTALLED ON THE ALUMINUM SKIN; Make sure the resistance is not more than 0.1 ohms.
(b)
ALUMINUM DISCHARGER BASE INSTALLED ON THE THORSTRAND SURFACE; Make sure the resistance is not more than 0.01 ohms.
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MAINTENANCE MANUAL
CAUTION:_______ CAREFULLY CLEAN THE SURFACE ONLY UNTIL THE BRIGHT
ALUMINUM COMES INTO VIEW. DAMAGE TO THE ALUMINUM
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