This can be done on location or brought to the shop. Mechanical and electrical elements essential for game play are repaired as necessary to make the game work 100%. Mechanical components are repaired to make things functional, but are not always rebuilt or replaced. General illumination, flash lamps and accessible rubber rings are replaced as-needed. Accessible areas of the playfield are cleaned and waxed. Typically involves a few hours of labor. A greater savings can be had if brought to the shop.