TM 1-1520-238-23
5-70
Change 1
5.12.
MAIN ROTOR BLADE ANTI-PEEL DOUBLER REPAIR (AVIM) – continued
t. Remove cellophane and tape from doubler (1),
blade (2), and blade faying surfaces (5).
u. Remove excess cured adhesive on blade (2) by
sanding in a spanwise direction. Use cloth
(item 48, App F).
v. Finish sanding excess cured adhesive on
blade (2). Use paper (item 135, App F).
w. Clean the entire repair area on blade (2). Use
methyl ethyl ketone (item 124, App F) and cloth
(item 51, App F).
x. Rinse and wipe the entire repair area on blade
(2) to remove residue. Use distilled water
(item 73, App F) and cloth (item 51, App F).
(1) Allow surfaces to air dry 30 MINUTES mini-
mum.
y. Install edge tip (7) (para 5.13).
z. Apply adhesive to fill and flair edges of dou-
bler (1). Use adhesive (item 1, App F).
aa. Allow adhesive to dry at room temperature for
24 HOURS.
ab. Paint touchup repair areas on blade (2) (para
5.11).
ac. Inspect (QA).
ad. Install main rotor blade (para 5.4).
ae. Perform main rotor blade track and balance
maintenance
operational
check
(TM 1-1520-238-T).
END OF TASK
M04-3521-11
2
5
1
7
M04-3521-12
M04-3521-13
1
FILL AND FLAIR
2
