TM 55-1520-240-23-4
5-69
REPAIR BLADE FAIRING — PARTIAL DEPTH
(Continued)
5-69
g.
Sand both sides of patch (22) to remove
surface glaze. Use abrasive paper (E9).
NOTE
Patch will not adhere if surface glaze
is not removed.
21.
Clean core (20) and cutout (13). Use vacuum
cleaner.
22.
Wear gloves (E186). Clean core (20), cutout
(13), scrim cloth (19) and skin (21) where finish
was removed. Use cloth (E120) damp with
acetone (E20). Wipe dry with a clean cloth. Do
not remove gloves.
INSPECT
APPLY ADHESIVE
NOTE
Prepackaged adhesive (E40) is
preferred. Use adhesive (E41, E43 or
E47.1) only if prepackaged kit is not
available.
23.
Mix tube of adhesive (E40). Follow instructions
on kit.
Weigh and mix adhesive and resin
accurately to produce acceptable
bond.
24.
If adhesive (E40) is not available, prepare
adhesive (E41) as follows:
a.
Weigh 100 parts of resin and 23 parts of
hardener.
b.
Mix polyethylene cup (E157) until color is
uniform. Use wood spatula (E424).
25.
If adhesive (E43) is used, prepare as follows:
a.
Weigh 7 parts of gray hardener and 5 parts
of base. Use trip balance.
b.
Mix parts in polyethylene cup (E157) until
color is uniform. Use wood spatula (E424).
26.
If adhesive (E47.1) is used, prepare as follows:
a.
Weigh equal parts of adhesive (E47.1) and
curing agent (E158.1). Use trip balance.
b.
Mix parts in polyethylene cup (E157) until
color is uniform. Use wood spatula (E424).
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