TM 1-1520-238-23
Change 6
5-44.7
5.7A.
MAIN ROTOR BLADE SPAR TO SPAR DEBOND REPAIR (AVIM) continued
NOTE
Primer shall be applied within 2 HOURS
of cleaning.
g. Prime cleaned area (TM 55-1500-345-23). Use
primer (item 143, App F).
(1) Tear, do not cut (rough edge to facilitate ap-
plication of primer), a strip of clean bond pa-
per, approximately 4.0 by 1.0 INCHES wide.
Use paper (item 136A, App F).
(2) Wet 1/4 to 1/2 INCH of the bond paper (on the
4.0 INCH side) along the edge with adhesive
primer.
NOTE
Do not over wet spar mating surfaces
during application of primer.
(3) Apply a thin coat of adhesive primer to mating
surfaces of debonded spar (2).
(4) Allow primer to dry for 1 HOUR minimum at
room temperature or for 2 HOURS minimum,
if temperature is below 60 F (15.6 C).
(5) Note time drying of primer begins.
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AREA TO BE PRIMED
M04 5206 12