TM 1-1520-238-23
Change 1
5-67
5.12.
MAIN ROTOR BLADE ANTI-PEEL DOUBLER REPAIR (AVIM) – continued
CAUTION
To prevent contamination of the bond-
ing process, clean gloves (item 82,
App F) must be worn by anyone han-
dling materials to be bonded until as-
sembly is complete.
The following procedure shall be per-
formed in a dust free environment. Do
not touch repair area after cleaning.
f. Clean bonding surfaces of doubler (1) and
blade (2). Use methyl ethyl ketone (item 124,
App F) and cloth (item 51, App F).
NOTE
Repeat cleaning procedure if there is vis-
ible discoloration on cloth.
g. Wipe bonding surfaces of doubler (1) and
blade (2) to remove residue. Use cloth (item 51,
App F).
(1) Allow bonding surface 30 MINUTES mini-
mum to air dry.
NOTE
Apply primer to any exposed metal sur-
faces prior to applying fiberglass tape
overlay.
h. Apply primer to bare metal of bonding area on
blade (2). Use primer (item 143, App F) and brush
(item 34, App F).
(1) Allow primer 1 HOUR minimum to air dry.
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M04-3521-4
