Admiral 5RP4 Record Player issues

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Admiral 5RP4 Record Player issues

Post by PhonoBrit on Wed Sep 28, 2011 3:44 pm

Greetings all. I have a mid 50's plastic cased Admiral 5RP4 record player. I have replaced the idler wheel and drive belt with new ones. However, I can only get 78 and 16 to work. On 33 and 45, the idler wheel doesn't appear to be making contact with the platter. Do you have any suggestions? Thanks!

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Re: Admiral 5RP4 Record Player issues

Post by Bill Cahill on Wed Sep 28, 2011 4:00 pm

Might need another belt for those spds., or, idler wheel is bad, or, mechanism is'nt working right. Got any pictures? It would help.
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Re: Admiral 5RP4 Record Player issues

Post by PhonoBrit on Thu Sep 29, 2011 3:07 pm



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Re: Admiral 5RP4 Record Player issues

Post by PhonoBrit on Thu Sep 29, 2011 3:08 pm

Idler wheel is brand new, as is the drive belt.

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Re: Admiral 5RP4 Record Player issues

Post by PhonoBrit on Fri Sep 30, 2011 4:45 pm

Any ideas on this one guys?

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Re: Admiral 5RP4 Record Player issues

Post by fixinmyphono on Fri Sep 30, 2011 7:01 pm

See if the tension on the idler spring is good?
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Re: Admiral 5RP4 Record Player issues

Post by PhonoBrit on Fri Sep 30, 2011 7:04 pm

Tension feels fairly strong.

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Re: Admiral 5RP4 Record Player issues

Post by fixinmyphono on Fri Sep 30, 2011 7:06 pm

hmm when you cycle it to 45 or 33 can you pull on the spring to make it the idler wheel make contact enough to have it make it spin the right way?
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Re: Admiral 5RP4 Record Player issues

Post by PhonoBrit on Fri Oct 07, 2011 4:16 pm

Here is a video of the admiral idler wheel mechanism.
http://www.youtube.com/watch?v=J-gNQfgIbtc&NR=1

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Re: Admiral 5RP4 Record Player issues

Post by Bill Cahill on Sat Oct 08, 2011 11:11 am

Looks, and, sounds to me as if your wheels are bad. I think the lower tires have likely hardeenned, and, glazed over, plus, shrunk.
You need to replace the rubber tires.
I'd say contact Gary Stork.
Bill Cahill

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Re: Admiral 5RP4 Record Player issues

Post by PhonoBrit on Sat Oct 08, 2011 1:00 pm

I have a new idler wheel and belt on this machine. Gary actually suggested this place for help.

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Re: Admiral 5RP4 Record Player issues

Post by Bill Cahill on Sun Oct 09, 2011 5:11 am

But, it sounds like either your other two small wheels are bad, or, you should have 3 belts. Not sure which on this model.
The one I have is a 3 spd., so, that won't be alot of help in your case.
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Re: Admiral 5RP4 Record Player issues

Post by Tony V on Sun Oct 09, 2011 2:01 pm

I looks like to me the tension spring is fastened in the wrong place as its pulling the idler away from the turrets instead of pulling it towards them.
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Re: Admiral 5RP4 Record Player issues

Post by PhonoBrit on Mon Oct 24, 2011 6:42 pm

I actually think an idler wheel with about an increase of 2mm in diameter would solve my problem. Any thoughts?

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Re: Admiral 5RP4 Record Player issues

Post by Bill Cahill on Mon Oct 24, 2011 7:13 pm

How about putting the tension spring in a different spot?
It isn't that simple on wheels.. Just move the spring..
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Re: Admiral 5RP4 Record Player issues

Post by PhonoBrit on Mon Oct 24, 2011 7:45 pm

Bill, why would I change the spring's location from it's stock factory position?

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Re: Admiral 5RP4 Record Player issues

Post by Bill Cahill on Mon Oct 24, 2011 7:49 pm

Because it looks like it isn't in it. Have you got the repair mannual on it?
Bill Cahill
Are you sure you re-installed motor properly after replacing grommets? Did you replace motor grommets? If not, motor may be sagging??

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Re: Admiral 5RP4 Record Player issues

Post by PhonoBrit on Mon Oct 24, 2011 7:53 pm

I replaced the grommets with silicone rubber that I applied myself. I guess it's possible I didn't judge the correct distance when performing this job. Where would I locate such grommets?

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Re: Admiral 5RP4 Record Player issues

Post by fixinmyphono on Mon Oct 24, 2011 8:11 pm

Try here http://www.thevoiceofmusic.com/catalog/phono_motor_mounts.asp
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Re: Admiral 5RP4 Record Player issues

Post by Bill Cahill on Mon Oct 24, 2011 8:19 pm

There's your problem. You did the job wrong.
You need to go to Gary Stork at VM enthusiasts, and, buy the correct grommets.
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Re: Admiral 5RP4 Record Player issues

Post by PhonoBrit on Mon Oct 24, 2011 8:59 pm

Thanks Bill, I hope they do the trick!

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Re: Admiral 5RP4 Record Player issues

Post by Bill Cahill on Tue Oct 25, 2011 1:41 am

I hope they do the trick. Gary said this is the first call for the Admiral grommets, and, he's excited.....
I'm buying an Admiral 45 rpm adaptor to finnish my table model bakelite radio, phono.
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Re: Admiral 5RP4 Record Player issues

Post by Resistance is Futile on Wed Oct 26, 2011 12:35 am

Looking at your mechanism, you may have a bit of dirt or grit so it might also be under the moving plate(s) or a metal burr, or bent piece that would prevent total movement. Just an observation. Clean and re-oil!
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Re: Admiral 5RP4 Record Player issues

Post by PhonoBrit on Fri Nov 11, 2011 2:37 pm

New motor grommets did the trick! Thanks to everyone who helped!

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Re: Admiral 5RP4 Record Player issues

Post by fixinmyphono on Fri Nov 11, 2011 8:02 pm

cool glad it worked
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Re: Admiral 5RP4 Record Player issues

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