(Topic ID: 29731)

Vid's GUIDE To Rebuilding Pop Bumpers

By vid1900

11 years ago


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  • 657 posts
  • 171 Pinsiders participating
  • Latest reply 24 days ago by vid1900
  • Topic is favorited by 788 Pinsiders

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    Topic index (key posts)

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    Post #183 Bally 80’s pop bumper rebuild Posted by vid1900 (9 years ago)

    Post #407 Recommendation for stapler Posted by vid1900 (7 years ago)

    Post #536 Link to a great video for people who are new to pop bumpers. Posted by Axl (5 years ago)


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    You're currently viewing posts by Pinsider rdoyle1978.
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    #492 6 years ago

    All right so I just finished my first restore, and I am having a hell of a time getting the pops to fire when the ball hits the skirt.

    The skirt has movement and I can see the pin, but it is not hitting the spoon. This is a WPC95 game, so it’s all fairly standard stuff. Do I need to check the alignment, or should I try bending the switch ? Not sure what I’m doing wrong here. I used the light trick for alignment and it looks like it’s on there ok

    #494 6 years ago
    Quoted from vid1900:

    Does it fire with your finger?
    Is it a new skirt and spoon, or are some the parts old?
    Did you clean the switch contacts with a $100 bill?

    Yes it fires with my finger, but less so when i just tap the edge, like a ball would - i have to press down a bit more in the middle.

    New skirt and spoon

    yes switches were cleaned. All parts new except the very base part of the body. And it really has to be a $100 bill? lol

    #496 6 years ago
    Quoted from vid1900:

    ^ Then make the switch gap smaller and you should be all set.
    $100 bills are crisp and perfectly abrasive with just enough flair for a well heeled pintech.

    Thanks, I’ll add one to my tool belt

    Will see what I can do about bending that gap. Thanks

    #498 6 years ago
    Quoted from dr_nybble:

    Anyone ever have a problem where the rod and ring retriggers the bumper by pushing down the skirt?
    The replacement part from PBR flares out at the top to a cylinder about the diameter of the hole in the skirt. Sometimes it pushes the skirt down and then the bumper re-triggers and stays energized:
    http://www.pbresource.com/caps/wll-a4754.jpg
    I removed these replacement rod and ring parts and putting the originals back after cleaning them up. However I am still having a problem where one bumper retriggers when the ring hits the skirt. Is there some adjustment I need to do so that the ring doesn't plunge so far down and hit the skirt? The body and skirt are new.

    Make sure you have washers in between the nut and the yokes; maybe you can add another to have a bit more height on the ring

    #500 6 years ago
    Quoted from dr_nybble:

    I didn't have the washers -- thanks ! ! Still happening so maybe I will add a few washers to the one bumper. Other one seems okay.

    Seems like the only way to go - you don’t want to loosen those nuts, as they will definitely fall off

    1 month later
    #504 5 years ago
    Quoted from mark532011:

    I have a question about my globetrotters. I pulled the 3 pop bumpers off for cleaning and I noticed that the center one appears to be missing the screws that would hold it in place. But I am scratching my head how they could have been sheared off so perfectly without any other damage so I wanted to double-check that in fact this is bad and needs to be replaced!

    Yep replace ‘em. Make sure you polish the hell out of them before you install them. I’ve had a couple games with this situation. I can only
    Assume the vibrations eventually just shear the ends off

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