TM 55-1520-240-23-4
5-137.1
REPAIR COMPOSITE WEATHER-PROTECTIVE COVER (AVIM)
(Continued)
5-137.1
EDGE DELAMINATION
10.
Clean delamination (5). Flush void (6) with
acetone (E20) from plastic squeeze bottle
(E366). Allow to dry for 15 minutes.
11.
Prepare adhesive mixture. (Refer to steps 105
thru 108.)
12.
Fill void (6) with adhesive. Use a length of
clean shim stock to work adhesive into void. Fill
deepest part of void first to avoid trapping air.
13.
Close void (6) by hand. Remove adhesive
squeezeout. Use cloth (E120).
14.
Cover void (6) with peel ply (E270) (7). Maintain
pressure on closed void. Use clamps at light
pressure.
Do not heat cover surface over 160ºF
(71ºC). Higher temperatures can
damage cover.
15.
Cure adhesive at 150º - 160ºF (66º - 71ºC) for 2
hours. Use heat lamp. Monitor temperature with
temperature indicating strips (E413).
NOTE
Serviceable cure can be achieved
without heat at 70º - 80ºF (21º -
27ºC) in 24 hours. Pressure may be
removed after 12 hours.
16.
Remove clamps and peel ply (7).
INSPECT
17.
Go to Follow-On Maintenance.
5-757
