cleanup and restoration of a vintage Atari 4.5Zoll Trackball

I got replacement parts for my Monster Trackball a vintage original 4 Zoll (real 4.5 Zoll) Atari Trackball. It was used in Atari Football and Missile Command.

First I have to dissaemble it. cleaning was necassary with ethyl-alcohol and soap.

Atari4.5Zoll_Trackball (0)

I changed the handles, 5 bearings , and Opto PCBs too.

Now it is running like in 1978 :-)

Atari4.5Zoll_Trackball (8)

Now Its waiting to find its final place in my new arcade cabinet …

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