Release [EMERGENCY STOP]. Clear alarms.
Jog A Axis in the negative direction to 0 degrees. This avoids damage to the cables in the rotary.
Go to PARAMETER 43 Bit 20. Set the CK TRAVEL LIM to 1. Go to Setting 7. Set the PARAMETER to ON.
Handle jog the rotary  in the positive and the negative direction.
Make sure the rotation does not move past 120 degrees in each direction and that the rotary does not make "squeaking" noises. If the rotary make squeaking noises, torque the plate bolts and the gas spring SHCS again.
If the rotary moves past 120 degrees or the "squeaking" noises do not stop, speak to your Haas Factory Outlet (HFO).
Install the cover on the TR or TRT.