TM 55-1520-240-23-4
5-67.1
REPAIR BLADE SPAR ROOT END — MAJOR DAMAGE
(Continued)
5-67.1
7.
Cut patches (4) from glass cloth (E132) to fit
inside damage area (3). Size patches to overlap.
NOTE
Prepackaged adhesive (E40) is
preferred. Use adhesive (E41, E43 or
E47.1) only if prepackaged kit is not
available.
8.
Mix tube of adhesive (E40). Follow instructions
on kit.
9.
If adhesive (E40) is not available, prepare
adhesive (E41) as follows:
a.
Weigh 100 parts of resin and 23 parts of
hardener. Use trip balance.
b.
Mix parts in polyethylene cup (E157) until
color is uniform. Use wood spatula (E424).
NOTE
Working life of adhesive is 30
minutes.
9.1.
If adhesive (E43) is used, prepare as follows:
a.
Weigh 7 parts of gray hardener and 5 parts
of white base. Use trip balance.
b.
Mix parts in polyethylene cup (E157) until
color is uniform. Use wood spatula (E424).
9.2.
If adhesive (E47.1) is used, prepare as follows:
a.
Weigh equal parts of adhesive (E47.1) and
hardener (E194.1). Use trip balance.
b.
Mix parts in polyethylene cup (E157) until
color is uniform. Use wood spatula (E424).
5-335
