Quoted from HurryUpPinball:One thing I would recommend is to check the post directly in front of the upper right flipper. I noticed it moved a little after about a week of play so I added some loc-tite and reinstalled it. About a month or so later, I noticed it was coming loose again. There is a t-nut in the bottom of the playfield and it is located under the flipper plate mech. After digging further into it, it appears there is only a few threads that make contact with the t-nut. I grabbed a Bally Williams post, another washer, and a low profile locknut and replaced the stock PB post and t-nut. As you can see from the pic, this could get pretty bad if it is loose as the post takes a lot of direct hits. The wear from the old washer is covered by the new washer I installed but thought I would share this so others could check and adjust as need. The post I used was roughly about a 1/4 of an inch longer (the threads) but not so long as to contact the flipper plate.
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Anybody knows which exact post to use there? Don't have any and I have to order it specifically, so a link or the like would be greatly appreciated.
Thank you all!
P.S.> Should that be a key post?