MAIN ROTOR BLADE PAINT EROSION TOUCHUP continued
Rotor blades are not to be repainted over the entire surface of blade. Only light touchup of the eroded
or repaired area is allowed. Severe chordwise imbalance problems may result from repainting blade.
d. Apply topcoat of polyurethane by spraying full wet coats to produce a dry film thickness of 1.8 to 3.0
mils dry film (TM 55-1500-345-23). Use polyurethane coating (item 140, App F), paint cup, and spray gun.
(1) Topcoat of polyurethane will dry to touch in 30 MINUTES and dry hard in 3 HOURS.
Main rotor blade rebalance is not necessary if steps a. thru d. are performed.
END OF TASK