(Topic ID: 239593)

Flipper slip


By longroad

77 days ago



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  • 12 posts
  • 8 Pinsiders participating
  • Latest reply 77 days ago by 0geist0
  • No one calls this topic a favorite

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socket head cap screw (resized).jpg

#1 77 days ago

I have a bally 1975 now and arrow. My flipper keeps slipping despite continually tightening the screws. How can I resolve this

#2 77 days ago

Usually, the flipper shaft gets worn from the shaft screws being tightened and it makes an indentation on the shaft. This results in the shaft slipping back to the indentation position. Sometimes you can just switch the flipper shaft assemblies - left to right, right to left - and this will give the screws a new surface to tighten against. Or you can just install new flipper shaft assemblies...

#4 77 days ago

I bought new shafts but still slips. Are there shafts that have a pre drilled indention for the screws to sink into? Seems like that would be good

#5 77 days ago

No pre-drilled shafts since flipper mechs could be at any angle under the playfield. Check your set screws, maybe they are unable to "bite" into the shafts.

#6 77 days ago

$8 for the part I mentioned. Fixed things right up on my Corral.

#7 77 days ago

Thanks for the insight

#8 77 days ago

Could be broken flipper bat. Shaft and plastic head might no longer be tight to each other, or stripped for lack of a better term. Someone else had this issue as did I on a MB. Check out recent posts on Vids guide to flippers

#9 77 days ago

Assuming the flipper shoe is attached solidly to the flipper shaft, I always replace the factory set screws with socket head cap screws. They will be stronger and you can be comfortable you are torquing them adequately. They usually have a cupped tip which will bite adequately into the flipper shaft.

socket head cap screw (resized).jpg
#10 77 days ago
Quoted from MikeO:

I always replace the factory set screws with socket head cap screws.

That would do the trick. That's what my replacement part came with.

#11 77 days ago

Tighten it more.
Like really crank it down.

#12 77 days ago

Take the nut and bolt out of the crank remove the flipper shaft, grind the edges of the crank so the gap is larger and then reassemble and tighten it back up.If the gap closes up again you didn't take enough material off.

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