⬢Using pliers, take the belt out from X-carriage.
⬢Before you remove the motor, unwrap the spiral wrap all the way.
⬢Release marked screws on the motor holder with a 2.5mm Allen key and remove the motor from the X-end-motor printed part.
⬢Keep the pulley on the X-axis motor.
⬢Move to the other side of the X-axis, release the M3 screw and take away the 623h bearing housing, keep it for later use.
⬢Remove black trapezoidal nuts from both x-end-motor and x-end-idler parts. Keep them for the reassembly.