If you are in the S.F. Bay Area a outfit that can fix any old slot is Squires & Corrie 800-342-5737
If your machine works that is when you put a coin in and pull the handle and the wheels go around and when you hit on a pay line
it doesn't payout then the problem starts there . There are fingers that enter holes in the disks that determine how much to pay out then the finger trigger the pay out slides . Start looking in those areas .