Genie 110966.0001.S is the OEM replacement MX Trolley Limit Shaft Kit for Genie MX trolley operator, Overhead Door MX medium-duty trolley operator. This kit supplies all shaft, bearing, and hardware components needed to restore the drive train to factory specification. Constructed from Steel limit shaft with cam hardware and bushing/bearing support components, the shaft delivers the torsional strength and wear resistance required in commercial door operator service. Installing an OEM-matched kit preserves alignment tolerances and load ratings specified for the MX Trolley Limit Shaft.
A: The limit shaft assembly in the MX trolley operator carries the travel limit cams that engage the open and close limit switches, signaling the operator to stop motor drive at the correct door positions.
A: No. The 110966.0001.S is designed for the standard MX trolley operator. The MX SDMT side-mount trolley uses a different limit shaft kit (110968.0001.S) due to the different drive arrangement.
A: Common signs include the door overshooting or undershooting its open or close stop position, nuisance reversals, or failure to stop at either travel limit.
A: The kit includes the limit shaft, travel limit cams or cam actuators, bushings or bearings for shaft support, and all required fasteners.
A: Yes. After installing the new limit shaft kit, perform a complete limit adjustment per the MX operator service manual to ensure the limit cams are positioned correctly for the installed door height and travel.
