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Post by Ron Rich on Mar 16, 2019 13:57:40 GMT
Guy' s The rubber turntable bushings (pt. # 24546400) are shown "backwards" in most (NOT ALL !), service and parts manuals ! They should be installed with the thin end facing out of the turntable. In other words, put the thin end onto the shaft first ! Ron Rich
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Post by eric1959 on Oct 12, 2019 22:57:54 GMT
I'm confused on this one, I recently replaced the bushings on an M100B, the turntable has a stepped hole, the new bushings were also stepped while the originals were a single diameter as I recall. The new bushings can only be installed with the small diameter facing away from the shaft, they fit into the stepped hole in the turntable perfectly that way, if they were turned around they would stick out of the turntable 1/4" preventing the turntable from going on far enough.
Or maybe I'm misunderstanding what you are saying?
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Post by Ron Rich on Oct 12, 2019 23:06:18 GMT
Eric,
You installed them backwards ! Probably won't make any difference- Ron Rich
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Post by wilitrun on Mar 14, 2024 0:19:44 GMT
Hi,
Just thought I'd share my experiences changing these drive bushings. The bushings I got from Victory Glass had some mould parting lines around the base, which prevented them from being installed smoothly in the correct position. As the bushings are a very soft durometer and not amenable to trimming with a knife blade, I gently spun them in my bench grinder stone until the parting lines were just barely gone. This allowed them to install and seat smoothly.
I suppose if installed the opposite way they may provide more cushioning as only half of the large portion of the bushing would be in contact with the turntable bore. This would probably shorten its life if being pressed into revenue service, but if we're just having a laugh in the gameroom and playing five to ten titles a week, it likely won't matter. As the old ones were very badly deteriorated and installed as Ron describes, I concur the small end facing out is the correct orientation (the SS160 manual happens to show them installed this way as well, so it must be a notable exception).
I managed to pull the turntable drum out just far enough to sneak them in after unhooking the clamp arm spring, swinging it downward, and removing the retainers and screws. I'd caution to make sure the spring washer hasn't fallen over before wobbling the drum back in place, to prevent catching it on the outer bearing race and damaging it. This was on a 133S6 mechanism. Hope that helps.
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