Abstract: A casement operator for opening and closing a window includes a housing, a cover and a crank assembly. The cover is moveable between a closed position and an open position. The crank assembly is pivotable and includes a crank handle and a gear mounted to the crank handle. The crank handle is pivotable between a retracted position and an extended position. The crank handle is enclosed within a storage cavity in a storage position. The crank handle includes a bore proximate a base end and the gear has a first detent and a second detent. A biasing member is mounted within the bore and a securing plug is mounted at least partially within the bore. The biasing member biases the securing plug toward the gear such that the securing plug is located in the first detent in the retracted position and in the second detent in the extended position.