I use an old toothbrush and Hoppe's No. 9 gun solvent, and it always worked for
me.Harvey Kravitz
From: Antique Phonograph List <[email protected]>
To: 'Antique Phonograph List' <[email protected]>
Sent: Tuesday, December 23, 2014 6:39 AM
Subject: Re: [Phono-L] Feeder rod thread chaser inquiry
Too true.
-----Original Message-----
From: [email protected] [mailto:[email protected]] On
Behalf Of Antique Phonograph List
Sent: Monday, December 22, 2014 10:56 PM
To: Antique Phonograph List
Subject: Re: [Phono-L] Feeder rod thread chaser inquiry
The diameter of the usual brass wire in the brush is too large to clean
properly.
On 12/22/2014 09:27 PM, Antique Phonograph List wrote:
> One can use a brass brush too. They are softer.
>
> Ron L
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of Antique Phonograph
> List
> Sent: Monday, December 22, 2014 7:12 PM
> To: Antique Phonograph List
> Subject: Re: [Phono-L] Feeder rod thread chaser inquiry
>
> You do not scrub them with a wire brush. You hold the brush at an
> angle to the feed screw and allow it to pull the brush along. The
> wires ride in the groove so to speak. Only a complete idiot would
> ever use a wire wheel or wire brush to scrub a feed screw. I appear to
> have been guilty of assuming that everyone had a grasp on the task art
hand.
>
> Not everyone has a lathe, or mill, or ultrasonic cleaner so the method
> I posted was how to get one cleaned up without destroying it or having
> equipment that is not normally found in the home shop.
>
> On 12/22/2014 03:52 PM, Antique Phonograph List wrote:
>> Al's method for cleaning a feed screw is good, but I am fortunate to
>> have
> an ultrasonic cleaner for use in clock repair. I am amazed at how
> much junk/gunk comes off one of those feedscrews in my cleaner. It
> has the added bonus that there is no contact with the fine threads
> such as you would have if you scrub them with a wire wheel or wire brush.
>> Dave D
>>
>>
>> On Monday, December 22, 2014 4:18 PM, Antique Phonograph List
> <[email protected]> wrote:
>>
>>
>>
>>
>>
>>
>> I agree that cleaning can solve a lot of the problem but...
>>
>> One other thought, I would never use a steel brush to clean the gunk
>> out
> of the thread grooves since the hardness of the bristles are greater
> than the feedscrew metal. You may do more damage than good. My usual
> first step is to soak the feedscrew in solvent to clean out the
> @%$()*&! 3in1 oil that leaves a hardened wax that attracts dirt and
> holds it. After soaking over night I take a stiff toothbrush to clear
> the grooves. When the feed skips there are a number of things that
> need to be looked at. Check the halfnut pressure and contact. People
> making repairs often do not make sure that the halfnut is riding
> correctly on the feedscrew. The halfnuts are hardened but some are
> found worn down and should be replaced. A wonderful person in the
> hobby, Mike Tucker, has made new halfnuts available. If you put 3 of
> these on a flat piece of stock with the middle one machined into a
> chaser and the other two acting as a leader and follower the results
> should
>> be satisfactory for mo
>> st cases.
>>
>> I agree about the costs for tooling to be prohibitive except that we
>> have
> a few in the hobby who are talented machinists and do things for the
> challenge of the task. Look at all of the items once thought to be
> impossible to find. What comes to mind first are the Automatic
> Speakers being reproduced and offered on eBay. If you have an early
'square top'
> Standard that you wish to make whole, a $200 reproduction Automatic
> makes more sense that putting a $400 original in a $500 machine.
> During the last century glass diaphragms were rare and expensive but
> now we have a source from Phonatic on eBay. This one item alone has
> allowed us to get rid of those incorrect reproduction copper
> diaphragms found on so many early Speakers and Reproducers.
>>
>> Best wishes to all,
>> Al
>>
>>
>>
>> -----Original Message-----
>> From: Antique Phonograph List <[email protected]>
>> To: Antique Phonograph List <[email protected]>
>> Sent: Sun, Dec 21, 2014 7:55 am
>> Subject: Re: [Phono-L] Feeder rod thread chaser inquiry
>>
>>
>> I seriously doubt if anyone is going to manufacture tooling to
>> reproduce any of these 1900 vintage threads or the tooling to maybe
>> repair
> them.
>>
>> Why? You ask. Because it is impossible to even recover the cost in
>> time and money to produce them.
>>
>> Most of these feed screws and nuts are completely clogged with
>> oxidized oil, coal dust and ash. Proper cleaning does wonders.
>>
>>
>>
>>
>> _______________________________________________
>> Phono-L mailing list
>> http://phono-l.org/
>> _______________________________________________
>> Phono-L mailing list
>> http://phono-l.org
>>
>>
> _______________________________________________
> Phono-L mailing list
> http://phono-l.org
>
> _______________________________________________
> Phono-L mailing list
> http://phono-l.org
>
>
_______________________________________________
Phono-L mailing list
http://phono-l.org
_______________________________________________
Phono-L mailing list
http://phono-l.org
_______________________________________________
Phono-L mailing list
http://phono-l.org
