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 Post subject: Rca spindle red cap egg shape
PostPosted: Jan Sun 22, 2012 9:29 pm 
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Joined: Oct Tue 11, 2011 11:01 pm
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I got my Alice together and found the red cap is out of round and records stick.I remember seeing one of Jacks post that he uses a lathe(I think) to turn his down .I'm not able to get access to one and was wondering what others do Thanks Ron


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 Post subject: Re: Rca spindle red cap egg shape
PostPosted: Jan Sun 22, 2012 10:31 pm 
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It's more likely that some of your records aren't quite the right size hole.
I have had this happen, especially on polystyrene records.
I have never seen that heavy bakelite spindle cap warp. I guess anything is possible, but, it's generally record problems. Check with a number of different records.
Bill Cahill

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 Post subject: Re: Rca spindle red cap egg shape
PostPosted: Jan Sun 22, 2012 11:50 pm 
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RONR11 wrote:
I got my Alice together and found the red cap is out of round and records stick.I remember seeing one of Jacks post that he uses a lathe(I think) to turn his down .I'm not able to get access to one and was wondering what others do Thanks Ron


Tightening the inside cap screws too hard causes the cap to warp.
They should just be "snug".

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 Post subject: Re: Rca spindle red cap egg shape
PostPosted: Jan Mon 23, 2012 1:17 am 
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It actually causes the screw holes to crack or break if too tight. Thus bulging the sides out. Don't start sanding down your cap or your record holes. The best and only option in my opinion is to get another good cap and replace yours. If I were you I'd buy a cheap J2 model off ebay and use that cap. If you buy an original one that hasn't been restored you can get them pretty cheap and chances are nobody has ruined the spindle cap. Plus look at all the extra parts you will have.


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 Post subject: Re: Rca spindle red cap egg shape
PostPosted: Jan Mon 23, 2012 1:25 am 
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Joined: Oct Tue 11, 2011 11:01 pm
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Thanks to all ,it looks like it was a combo of records and overtightening. Do I need to use loctiite so the screws don't back out?


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 Post subject: Re: Rca spindle red cap egg shape
PostPosted: Jan Mon 23, 2012 1:28 am 
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Location: Berkley, Michigan
Bill Cahill wrote:
...I have never seen that heavy bakelite spindle cap warp. I guess anything is possible, but, it's generally record problems. Check with a number of different records.
Bill Cahill
I have never seen an RCA 45 player with a Bakelite cap. I have seen the standard red plastic ones bulge because of over tightened screws. RCA actually put out a service bulletin about it on the RP-168 changer way back in the 50s. Now I see it affecting the RP-190s as well, it just took longer for the problem to surface. It seems like records that are too tight on the RCA spindles will always fit just fine on a RCA or VM slide on 45-rpm spindle on a full size changer.

I remove the cap and wet sand them down with 400 grit wet or dry sand paper. I use a credit card as a sanding block, rotating the cap, sanding it as evenly as possible until it will easily pass through the hole of the tightest record. It really doesn’t take much effort. Then I work up to finer 600 then 1000 grit wet or dry paper and finish with plastic polish to give it that wet look. Of course if the screw holes are split, that's the time to find a replacement but not all bulged caps have split or stripped screw holes.

This one was bulged out so badly that more records stuck than dropped. I had it sanded down until it had no gloss at all. As you can see it turned out nice and shiny.
Image
1955 Magnavox 45-rpm Record Player by 45 Victrola, on Flickr

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 Post subject: Re: Rca spindle red cap egg shape
PostPosted: Jan Mon 23, 2012 3:19 am 
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Joined: Oct Tue 11, 2011 11:01 pm
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Nice job Doug, I look at it again and see if I can play with it a little as I worry about the screws backing out


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 Post subject: Re: Rca spindle red cap egg shape
PostPosted: Jan Mon 23, 2012 2:56 pm 
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Doug VanCleave wrote:
I remove the cap and wet sand them down with 400 grit wet or dry sand paper. I use a credit card as a sanding block, rotating the cap, sanding it as evenly as possible until it will easily pass through the hole of the tightest record.


I like to use a debit card instead of a credit card. This way, you can never sand off more than you can actually afford. :lol:


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 Post subject: Re: Rca spindle red cap egg shape
PostPosted: Jan Mon 23, 2012 4:36 pm 
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Location: Berkley, Michigan
Magic Brain wrote:
...I like to use a debit card instead of a credit card. This way, you can never sand off more than you can actually afford. :lol:
Good point, Brain. :lol:

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 Post subject: Re: Rca spindle red cap egg shape
PostPosted: Jan Mon 23, 2012 11:36 pm 
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If you have repaired more than a few of these RCA Victor RP-190's, there's a good chance you might have over tightened the two screws in the spindle cap. This cap seems to be more fragile with age, like some of us and it swells around the middle, like some of us. :wink: I normally paint on a light coat of super glue to add a little strength to these plastic screw receptacles inside the spindle cap.

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 Post subject: Re: Rca spindle red cap egg shape
PostPosted: Jan Tue 24, 2012 12:51 am 
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PhonoJack wrote:
If you have repaired more than a few of these RCA Victor RP-190's, there's a good chance you might have over tightened the two screws in the spindle cap. This cap seems to be more fragile with age, like some of us and it swells around the middle, like some of us. :wink: I normally paint on a light coat of super glue to add a little strength to these plastic screw receptacles inside the spindle cap.



Jack, I've had excellent results using that slow-setting epoxy - the white/black twin-tube stuff.
mix up a batch, about 2 thimbles full, (it turns dark grey) and apply it liberally around those screw hole moldings.
Careful not to get any in the hole, or anywhere the mechanism/springs go.
make sure the cap is perfectly clean and dry inside too.
Let it set overnight/24hrs.

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