Replace dull or scratched balls

A ball that isn't mirror shiny slows down and scratches the playfield. Balls are cheap; replace them rather than reuse them.

Systems

• WPC Alpha-Numeric
• WPC Dot Matrix
• WPC Fliptronics
• WPC DCS
• WPC-Security (WPC-S)
• WPC-95

Related tips

• Ball hangs up beside the apron after cleaning: loosen and reposition the lane guide

Source: Repairing Williams/Bally WPC Pinball Games from 1990 to 1999, Part Three, Clay Harrell (pinrepair.com)