I’ll take a wild guess as I have no idea what you are asking about

It's all ball bearings nowadays. Now you prepare that Fetzer valve with some 3-in-1 oil and some gauze pads, and I'm gonna need 'bout ten quarts of anti-freeze, preferably Prestone. No, no make that Quaker State.

i think it is just six top side screws and one on the left shoulder and then top part comes off. I was in mine a year or two back to replace lamps and I remember it being pretty straightforward.

WPC games have pretty good manuals. There should be an exploded view in there showing how to take it off and put back together.

G. Gordon Liddy is that you?

Did they get your shoes cleaned after the jack knifed manure spreader on the Santa Ana?

This may help since his abbreviations did not deliver it very well.

Screenshot_20200922-003735_Samsung Internet (resized).jpg

Iirc, there's a few nuts on the back side of the playfield and a connector. Also need to remove the ramps leading from it via a few more nuts.