Patent ID: 7047620

Claim:
A method of assembling a scrubber which includes a motor, a shaft rotatably coupled to and extending through the motor, a shaft pin detachably connected to the shaft, and a disk coupled to the shaft and having a notch located relative to the shaft pin at a predetermined angle with respect to a longitudinal axis of the shaft when properly assembled, the method comprising: providing a tool body configured to partially receive the scrubber, the tool body including a first recess and a protrusion; placing the tool body adjacent the scrubber to at least partially receive the shaft pin into the first recess of the tool body and to at least partially insert the protrusion of the tool body into the notch of the disk, the first recess and the protrusion being arranged at the predetermined angle to position the notch of the disk and the shaft pin of the scrubber for proper assembly at the predetermined angle with respect to the longitudinal axis of the shaft, the first recess and the protrusion being fixed in position with respect to each other when placing the tool body adjacent the scrubber to at least partially receive the shaft pin into the first recess of the tool body and to at least partially insert the protrusion of the tool body into the notch of the disk.