[Phono-L] 4 spring credenza motor problem

[Ron L'Herault]

Movement of the spring cans seems normal and not jerky.  Grease is a Moly
grease with graphite in it.

Ron L

-----Original Message-----
From: phono-l-bounces at oldcrank.org [mailto:phono-l-bounces at oldcrank.org] On
Behalf Of phonofolks at aol.com
Sent: Thursday, April 30, 2009 5:31 PM
To: phono-l at oldcrank.org
Subject: Re: [Phono-L] 4 spring credenza motor problem


Did you take the motor board out and place on two milk crates, or two
tables, and watch the spring unwind to see where the scraping sound is
coming frome? As Bob stated the power decrease? could be weak springs. Also
what type of grease did you use to repack the spring? The wrong lubrication
could also cause problems.

Rick


-----Original Message-----
From: Bob <rvuill at comcast.net>
To: Antique Phonograph List <phono-l at oldcrank.org>
Sent: Thu, 30 Apr 2009 11:55 am
Subject: Re: [Phono-L] 4 spring credenza motor problem


Ron,?
? Did you wind it fully and play it before you changed the grease to
eliminate the thumping? If so how long did it play? A good four spring motor
should run about 20 minutes. If it didn't, it's possible that the springs
have lost some temper and are weak. The only other possibility is a bad
record or needle but I'm sure you thought of that.?
Bob?
----- Original Message ----- From: "Ron L" <lherault at bu.edu>?
To: "'Antique Phonograph List'" <phono-l at oldcrank.org>?
Sent: Thursday, April 30, 2009 10:47 AM?
Subject: RE: [Phono-L] 4 spring credenza motor problem?
?
>I do have an electric C. This is a repair for someone else. The neat?
> thing about the clip end/bent end springs is that it is impossible to?
> assemble them into the cans in the wrong direction. It is easy to mess?
> them up when you have rivets in the cans and holes on the springs. They >
do?
> not wind up, and in fact will distort the spring centers, with the real?
> potential for breaking them.?
>?
> Ron L?
>?
>?
> -----Original Message-----?
> From: phono-l-bounces at oldcrank.org [mailto:phono-l-bounces at oldcrank.org] >
On?
> Behalf Of Douglas Houston?
> Sent: Thursday, April 30, 2009 10:05 AM?
> To: Antique Phonograph List?
> Subject: RE: [Phono-L] 4 spring credenza motor problem?
>?
> This is a sticky one. I have a long shot thought. Victor has a procedure >
in?
> the service notes, that tells you whichn spring to load in the barrel,
and?
> its direction of winding.Is it possible that one of the springs could
have?
> nbeen installed in reverse? I'm not even sure if the motor could be
nwound?
> if that were done, but as I've said, it's a long shot.?
>?
> I have one of those 4 spring jobs apart now, and I've got to study the?
> thing a lot before I re-pack the springs.?
>?
> (Maybe if you got one of those electric Credenzas like I have, you >
wouldn't?
> have this mess!!!!)?
>?
> Cheers?
>?
> Doug. Houston?
>?
>?
>> [Original Message]?
>> From: Ron L'Herault <lherault at bu.edu>?
>> To: Antique Phonograph List <phono-l at oldcrank.org>;?
> <phonolist at yahoogroups.com>?
>> Date: 4/29/2009 10:55:02 PM?
>> Subject: [Phono-L] 4 spring credenza motor problem?
>>?
>> Hokay, list experts. I need help. The original problem was thumping?
>> springs. So, you take them out (done that many times) clean them, and?
>> reinstall/relube. This should be pretty straight forward. And these are?
> the?
>> ones with the clip outer ends and bent over inner ends. They only go?
>> together one way. It winds up fine but only plays 4 sides before it?
> starts?
>> to loose power and slow down when you try to play the 5th side. >>
Sometimes?
>> it makes a bit of a scraping sound but nothing is hitting the turntable.?
>> What have I missed??
>>?
>> Thanks,?
>>?
>> Ron L?
>>?
>> _______________________________________________?
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>> http://phono-l.oldcrank.org?
>?
>?
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