The Genie 111005.0001.S is a steel shaft adapter coupling designed for Genie commercial door operators, connecting a 1-inch door torsion shaft bore to a 1-inch operator output shaft. This component is essential when the operator output shaft and the door torsion shaft share the same 1-inch nominal diameter, providing a keyed or clamped interface that transmits torque reliably without slippage. Proper shaft adapter selection is critical - using an incorrectly sized adapter can result in shaft damage, slippage under load, and premature component failure. This unit is distinct from the 111005.0002.S, which accommodates a larger 1-1/4-inch door shaft bore on the same 1-inch operator shaft. Material is steel for strength and durability under commercial-duty cycling.
A: The 111005.0001.S adapts a 1-inch door torsion shaft bore to a 1-inch operator output shaft; both bores are the same nominal diameter.
A: The 111005.0002.S is designed for a 1-1/4-inch door shaft bore to a 1-inch operator shaft, accommodating a larger door shaft than the 111005.0001.S.
A: Steel construction ensures the adapter can handle the full cyclic torque loads of a commercial door operator without deformation or fatigue failure.
A: Incorrect sizing causes the adapter to either not seat properly or allow rotational slippage under load, leading to shaft scoring, adapter wear, and potential operator damage.
A: Verify both the door torsion shaft outside diameter and the operator output shaft diameter before ordering; select 111005.0001.S for matched 1-inch shafts and 111005.0002.S when the door shaft is 1-1/4 inch.
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