TM 1-1520-238-23
5-34
Change 1
5.5.
MAIN ROTOR BLADE DENT, DEPRESSION, AND CREASE REPAIR (AVIM) – continued
5.5.3. Repair
CAUTION
To prevent damage to main rotor blade,
sand metallic surfaces in a spanwise di-
rection and sand glass skin surfaces in a
chordwise direction.
a. Sand spanwise to remove paint from main ro-
tor blade (1) dents, depressions, creases, and
surrounding area. Use paper (item 133, App F).
b. Sand spanwise to finish sand blade (1) sur-
face. Use paper (item 135, App F).
c. Wipe blade (1) surface clean. Use methyl ethyl
ketone (item 124, App F) and cloth (item 51,
App F).
d. Brush an even coat of primer on blade (1)
dents, depressions, creases, and surround-
ing area. Use brush (item 34, App F) and primer
(item 143, App F).
(1) Allow primer to dry at room temperature 1
HOUR.
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