TM 1-1520-238-23
Change 1
5-73
5.13.
MAIN ROTOR BLADE LEADING EDGE TIP REPLACEMENT – continued
5.13.6. Repair
a. Repair curled washer edge.
(1) Remove raised washer edge by sanding in
spanwise direction. Use wood block and
paper (item 135, App F).
(2) Wipe surface of blade clean. Use cloth
(item 51, App F) and naphtha (item 127,
App F).
(3) Spot prime and paint. Take care to keep paint
out of screw threads (TM 55-1500-345-23).
Use epoxy primer coating kit (item 78,
App F).
b. Repair edge tip (1) by replacing missing wash-
ers (6).
(1) Remove old adhesive. Use paper (item 133,
App F) and paper (item 135, App F).
(2) Apply a coat of primer to edge tip washer
mounting hole (5) and washer (6). Use primer
(item 143, App F).
NOTE
Washer must be installed within 24
HOURS of application of primer.
While performing the next step ensure
that adhesive does not get into nut
plate threads.
(3) Apply a thin uniform layer of adhesive to
washer (6). Use adhesive (item 4, App F) and
brush (item 34, App F).
(4) Seat washer (6) firmly in mounting hole (5).
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