Remove the cover for the carousel motor. Put labels on the cables for the carousel motor assembly. Remove the carousel motor assembly . Remove the cam follower assembly . On 10-pocket umbrella tool changers, the cam follower assembly also has a flag and a nut  behind the carriage.
Push the shuttle assembly in the direction of the spindle. Remove the set screw  from the slip clutch arm collar. Use a small two-jaw puller  to remove the slip clutch arm from the motor shaft.Remove the shuttle motor assembly  and (4) screws  from the rail plate. Apply a thread-lock compound (for example: blue Loctite®) to the (4) screws . Install the replacement motor  to the rail plate. Use the (4) screws .
Install the motor key  onto the motor shaft. Install the slip clutch arm  onto the motor shaft, over the key . Adjust the position of the slip clutch arm on the motor shaft to make sure the adjacent screw heads have sufficient clearance. Apply a thread-lock compound (for example: blue Loctite®) to the set screw . Install the set screw into the slip clutch arm .Apply Mobil SHC 460 grease to the carriage slot  and cam follower [2 and 3]. Install the remaining parts in the opposite sequence that they were removed. Make sure the umbrella tool changer operates correctly. Install the carriage assembly cover.