A gripper kit for a vertical-type bowling ball lift and return mechanism that is suited for the lifting and handling of bowling balls covered with various amounts and types of oil. A momentary interruption detecting circuit detects a change in an output voltage when the output voltage suffers a momentary interruption over a short period of time. through the winter and maintain its quality until about May. The configurable hydraulic system also enables the load configuration driven by each prime mover to be changed without losing the benefit of a separate, sealed hydraulic system associated with each specific prime mover. The computing equipment may respond to the voice command.