Similar to its removal from the pump shaft, the coupler is separated from the motor shaft by loosening the set screw with an Allen wrench. if excessive wear is observed, replace the entire coupler - never replace individual components of the coupler assembly. neither the springs nor the coupler arms should ever be replaced. Replacing individual springs will only result in repeated breakage due to spring imbalance caused by the greater stiffness of the new springs compared to the old ones.

Note: Noisy coupler operation or coupler failure are generally strong indicators of the need to Replace the motor mounts. Refer to Section 2.0 for motor mount servicing instructions.

New couplers can be installed by reversing the removal operation. The set screw must be seated In the shaft recess to prevent slipping.