TM 1-1520-238-23
Change 6
5-44.21
5.7A.
MAIN ROTOR BLADE SPAR TO SPAR DEBOND REPAIR (AVIM) – continued
ae. Remove release film (6) from blade (1).
(1) Remove tape and release film (6) from blade
(1).
af. Remove tip end fairing (3) from tip end of
blade (1).
(1) Remove tape holding tip end fairing (3) on
blade (1).
(2) Remove tip end fairing (3) from blade (1).
(3) Remove all tape used for protection from tip
end fairing (3).
ag. Sand adhesive squeeze-out on blade (1) in
spanwise direction. Use wheel (item 219A,
App F) and file set.
NOTE
Ensure the locations for the main rotor
blade outboard weight support fittings are
not misinterpreted as debonded area of
blade.
ah. Check repaired debonded spar (2).
(1) Tap a coin held between thumb and fore fin-
ger on blade (1). A bonded spot will have a
sharp ring. A debonded spot will have a dull
sound.
ai. Wipe blade (1) clean. Use methyl ethyl ketone
(item 124, App F) and cloth (item 51, App F).
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M04 5206 38
TAPE
6
REF MARKS
TAPE
2
1
REF
MARKS
M04 5206 39
1
3
M04 5206 40
1
SQUEEZE-OUT
