ROTARY-WING BLADE SERVICEABILITY INSPECTION
Acetone (E20) is extremely flammable.
It can be toxic. Avoid inhaling. Use
only with adequate ventilation. Avoid
contact with skin, eyes, or clothing.
Keep away from heat, sparks, or open
flame. In case of contact, immediately
flush skin or eyes with water for
at least 15 minutes. Get medical
attention for eyes.
Clean void (1). Use acetone (E20) from a plastic
squeeze bottle (E366). Flush void until acetone
Exceeding 20 psig may damage
Blow out excessive acetone with compressed
air. Do not exceed 20 psig. Allow to dry for 15
Prepare an adhesive mixture as follows:
Weigh 2 parts of adhesive (E47.1) and 1 part
curing agent (E158.1). Use a trip balance.
Mix in polyethylene cup (E157). Use wood
Inject adhesive mixture into void (1). Use a
hypodermic syringe (E380). Fill deepest part of
void first to avoid trapping air.
Close void (1). Press liner (2) against bore of
blade (3) by hand. Remove excess adhesive
with cloth (E120).
Cover area of adhesive squeezeout with Teflon
tape (E399). Install vertical pin.
Let adhesive cure for 36 hours at 70º - 80ºF
(21º - 27ºC).
Remove vertical pin. Remove Teflon tape.
END OF TASK