Happy New Year all!

So, my fun night staying up to midnight was taking the MPF apart to clean (I already had to get out for opto board).

A couple questions...

1. Interior bracket housing- on the outside of one side, I can feel an actual groove from the wear of MPF going up and down (1st pic). The other side is only shiny from wear, no groove. Will the groove effect performance at all?

2. Interior bracket housing- one roller wouldn't come off, I was able to get the rest off to clean. Any tricks on getting these off when stuck? Or does it really not need to be taken off to be cleaned and I can just leave as is? (pic 2)

Verry happy to see how nice the opto mushrooms cleaned up with Novus! (pic 3)

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Thanks pinball_faz ! I do have a 12v power source that I'm going to hook up, will report back once I get to that point.

Rdoyle1978 The nails are mine, I'm getting ready to get them redone this week. I'll keep them updated in my posts along with my MPF reassembly progress.

Hello all
I finally have had time to get everything cleaned up and put back together enough to test the MPF action, and had my husband hold while I took the video.

Everything seems to be running smoothly, not catching or binding (not sure if anyone can see anything?). BUT the gear box is loud. All the noise in the video is from the gear box, not any of the metal rubbing when going up and down.

Is this normal?? It was always this loud during play, but I guess I didn't notice as much with the music going as well.

pinball_faz as you can see in the pic I had office depot print out your pdf for me, it would have probably taken me a month to get to this point without it!

So using your guide I got the cam centered as close as possible to what you have listed. I added a video to show the play left/right when both moving and when still. Doesn't seem to wobble too much.

Also, note to self, when you think you have taken enough pictures when you take things apart, take more pictures! Also, I wish I would have labeled all the groups of screws. I separated them out together in little bowls, but would have been easier to have them labeled. Next time!

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Hi yellowghost I will let the experts advise, but what I've read is that this is what is done to do the initial testing before you do put everything back together and you can make adjustments (as if it binds while out, then it def will when installed). Then final test will be once back installed.

Hey Faz,

Roller is doing good on that side, so we'll see how it does once in the machine, fingers crossed.

Yep, got a new board with NVRAM and going to sell the damaged one that needs repaired. Next on the list is the Optos, so going back to this thread https://pinside.com/pinball/forum/topic/dr-who-multiball-mp-going-up-amp-down-opto-switch-75-not-working#post-4753103

Thank you for everyone who chimed in on this thread!