SXT Spring Box Assembly with end-of-travel cushioning for super extended travel commercial door operators. This sxt spring box assembly is an OEM service replacement part for Genie commercial door operators. Mounting: Mounts to SXT-series operator carriage or rail at end-of-travel position.
A: The SXT spring box assembly provides cushioned end-of-travel deceleration for the SXT-series carriage, absorbing impact forces at the limits of the extended rail travel stroke to protect the operator and door hardware.
A: The SXT spring box assembly part number 111389.0001.S is specifically sized for the super extended travel (SXT) carriage stroke. The standard spring box is 111224 and the extended spring box is 112929. Do not substitute these parts interchangeably without confirming stroke compatibility.
A: The SXT spring box assembly is designed to work with the Genie SXT-series commercial door operator, including the SXT carriage assembly 110616 and SXT chain guide 111390. Confirm your operator model is an SXT-series unit before ordering.
A: The SXT spring box assembly mounts to the SXT-series operator carriage or rail at the end-of-travel position. Refer to the Genie SXT operator service manual for torque specifications and alignment procedures specific to your installation.
A: The '-S' suffix in part number 111389.0001.S typically denotes a service or replacement part designation within Genie's parts numbering convention, indicating this is the serviceable replacement component for the SXT spring box.
