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____ is necessary. If the first fillet seal is fully cured but is not clean, then it must be cleaned before you apply the second fillet seal. Do not use different sealants for the first fillet and the second fillet.
 1) If you use an extruded nozzle, do the steps that follow: a) Cut the nozzle to make a fit of the dimensions shown in Fig. 808.
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 b)  Push the nozzle head against the surfaces such that the fillet seal you apply is thickest in the middle of the surfaces.
 NOTE: Keep the nozzle of the sealing gun near the
____ surface to prevent air bubbles.
 2)  If you do not use an extruded nozzle, use a sealant fairing tool to make a full bodied fillet seal.
 3)  Remove all air bubbles and re-entrant fillet seal edges.
 (g)  If it is necessary, do this Task: Application of Corrosion Resistant Finish (Topcoat) (AMM 28-11-00/701).
 NOTE: A layer of corrosion resistant finish is necessary
____ only to protect bare (anodized) metal. It is not necessary to apply a layer of corrosion resistant finish on sealant. Corrosion resistant finish can be applied on sealant, but it is not necessary. Usually topcoat is applied to sealant only when it must be applied to protect adjacent bare metal.
CLASS A-2

Apply the Precoat
Figure 805

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SEALING GUN

Apply a Fillet Seal
Figure 806

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MAINTENANCE MANUAL

Push the First Fillet Seal into the Seam
Figure 807

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