Cleaners for EM parts and cabinets

Isopropyl alcohol cleans stepper units, coil plungers and rubber. Naphtha (lighter fluid) shifts dirt from rubber rings and badly fouled steppers, and spray brake parts cleaner loosens a stepper locked solid with old grease. A degreaser such as Mean Green lifts yellow tobacco stains from cabinet paint. Novus #2 cleans playfields and rubber and Novus #3 polishes metal; avoid thin, solvent-based playfield cleaners on old playfields.

Systems

• Electro-mechanical

Related tips

• Never spray contact cleaner or WD-40 in an EM
• Why contact cleaner ruins silver contacts

Source: Repairing Electro-Mechanical (EM) Coin Operated Games to 1978, Part One, Clay Harrell (pinrepair.com)