How does one remove a Columbia reproducer?

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jboger
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How does one remove a Columbia reproducer?

Post by jboger »

I've attached a photo. I don't know how to remove the reproducer. I see a pin. Does that pin move in? move out? is it a button? It doesn't budge and I don't want to break anything.
Attachments
DSCF1527.jpg
DSCF1527.jpg (66.1 KiB) Viewed 1726 times
Last edited by jboger on Sun Nov 05, 2017 1:23 pm, edited 3 times in total.

bigshot
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Re: How does one . . .

Post by bigshot »

It's always helpful to put the whole subject in the subject line.

jboger
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Re: How does one remove a Columbia reproducer?

Post by jboger »

Bigshot: I've fixed the subject line so now should be clearer.

Dave D
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Re: How does one . . .

Post by Dave D »

The pin has a flat spring under it. Twisting and pulling will usually get it out, but you might want to put some penetrating oil on this one. The parts can be fragile.
Dave
Attachments
tonearm.jpg
tonearm.jpg (33.05 KiB) Viewed 1663 times

jboger
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Re: How does one remove a Columbia reproducer?

Post by jboger »

Thanks, Dave. I gave it a tug after applying some oil--didn't move. But now that I now which direction to go, I will give it a try later. I'll let you know when I attain success.

jboger
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Re: How does one remove a Columbia reproducer?

Post by jboger »

Still not there. The pin now moves outward. And I can feel the spring. Now a dumb question before I make the situation normal: Does the pin come all the way out or no? Is it a release pin that disengages the reproducer w/o the pin coming all the way out? Or do I remove that pin completely?

Dave D
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Re: How does one remove a Columbia reproducer?

Post by Dave D »

The pin stays in. There is a groove in the neck of the reproducer that it slides in. The reproducer is pot metal and is probably swollen. If it is moving, you can probably eventually release it. Be careful. Good luck.
DAve

Dave D
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Re: How does one remove a Columbia reproducer?

Post by Dave D »

This photo may help you understand what you are dealing with. See the slot at about the 2 o'clock position on the reproducer?
Dave
Attachments
grafreproducer.jpg
grafreproducer.jpg (4.61 KiB) Viewed 1631 times

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rizbone
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Re: How does one remove a Columbia reproducer?

Post by rizbone »

I have one you can practice on if you want

Phonofreak
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Re: How does one remove a Columbia reproducer?

Post by Phonofreak »

This is a common problem with Grafonola reproducers with the bayonet fitting. The tone arms are made of pot metal. The earliest ones were brass. Assuming you have a pot metal arm, use Kroil or PB blaster on the connection between the arm and reproducer. Also, apply to the pin. Work it loose, back and forth, very SLOWLY, so the pot metal doesn't break. It should eventually come of. Don't forget, the reproducer is pot metal, also. If the reproducer cannot budge, but still sounds good, I would just leave it alone.
Harvey Kravitz

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