TM 55-1520-240-23-4
5-137.1
REPAIR COMPOSITE WEATHER-PROTECTIVE COVER (AVIM)
(Continued)
5-137.1
ADHESIVE PREPARATION
106.
Use any of three adhesive mixtures for repair of
weather-protective cover.
NOTE
All three adhesives cure in 2 hours
at 150º - 160ºF (66º - 71ºC). A
serviceable cure can be achieved at
70º - 80º F (21º - 27ºC) in 24 hours.
Pressure may be removed after 2
hours.
107.
Mix adhesive EA9309.3NA (E40 or E41) as
follows:
NOTE
Prepackaged adhesive (E40) is
preferred. Use adhesive (E41) only if
prepackaged kit is not available.
a.
Mix tube of adhesive (E40) according to
instructions on kit.
b.
Prepare adhesive (E41) as follows:
(1)
Weigh 100 parts of resin (pink paste) and
23 parts of hardener (blue liquid). Use
trip balance.
(2)
Mix parts in polyethylene cup (E157) until
color is uniform dark pink. Use wood
spatula (E424).
NOTE
Working life of adhesive (E41) is 30
minutes.
108.
Mix adhesive EC-2216 (E27) as follows:
a.
Weigh 7 parts of Part A hardener (grey
paste) and 5 parts of Part B base (cream
paste). Use trip balance.
b.
Mix parts in polyethylene cup (E157) until
color is uniform medium grey. Use wood
spatula.
NOTE
Working life of adhesive (E43) is 1
to 2 hours.
109.
Mix adhesive EPON 828 (E47.1) and hardener
Versamid 125 (E194.1) as follows:
a.
Weigh equal parts of adhesive (light amber
resin) and hardener (dark amber resin). Use
trip balance.
b.
Mix parts in polyethylene cup (E157) until
color is uniform. Use wood spatula (E424).
NOTE
Working life of adhesive is 1 hour.
5-772
