I was cleaning up the distributor and came across a little screw cap below the base of the head. I unscrewed it and found another screw piece and then a spring. It was packed with grease. (Hope this discribes it well enough)
I figured this was for lubricating the distributor shaft.
Is that it?


Regards, Kevin
1940 1/2-ton (Uncle Willie\'s truck)

Thanks for the help so far fellow Bolters!