Service Bulletin: SB 50
DATE: March 2, 1993
SUBJECT: Intermittent or weak action from ball popper assembly A-15769
CAUSE: Rubber Grommet missing or installed incorrectly on ball popper assembly
We have had a few customers reporting that the rubber grommet (part #23-6420) on the ball popper assembly of "Whitewater" pinballs have been missing. See the diagram below for the location of the grommet. Please check your game and install a new grommet if needed.