Remove all light boards Pre-clean all “pinball” black dust using a vacuum on the bottom cabinet and bottom side of the playfield including inserts. Remove all bulbs and wash them with the light boards in warm soapy water. Blow dry light boards with compressed air. Use BleachWhite as above on a clean Terry cloth to wipe down the harness and wood. Use same on qtips to clean inserts dry with clean cloth. Remove coils vacuum dust then wipe down. Replace all coil sleeves reassemble and you should be good to go for a basic cleaning.