[GreenKeys] Lubrication

[Bill]

Mineral Oil?



On 8/17/2010 4:19 PM, David Christ wrote:
> I agree on the 3-in-1.  My wife has an uncle who has repaired sewing
> machines for decades.  Some manufacturers would void the warrantee if
> you used the then common 3-in-1. It had a tendency to get gummy.
> Whether it is true now I don't know, but it was rumored that the
> original 3-in-1 had a vegetable rather than a petroleum base.
>
> David
>
> At 1:59 PM -0500 8/17/10, Jim Haynes wrote:
>    
>> -----Original Message-----
>>      
>>> From: Randy and Sherry Guttery<comcents at bellsouth.net>
>>> Sent: Aug 17, 2010 1:08 PM
>>> To: David Christ<radioham at mchsi.com>
>>> Cc: GreenKeys at mailman.qth.net
>>> Subject: Re: [GreenKeys] Lubrication
>>>
>>> Speaking strictly for myself -
>>> Oil is just plain 3-in-1 oil, lots of it and often. Probably not the
>>> best - but lots and often ensure it's doing it's job, any getting
>>> "thick" or such is flushed out, etc.
>>>
>>>        
>> This is a neverending topic of discussion in this group.  If you're going
>> to use 3-in-1 I would suggest their oil for "large motors" that comes in a
>> blue and white can rather than the red, white and black can.  It's 20 weight.
>>
>> I once used 30 weight oil, and it seemed to be a little too thick for things
>> like Model 15 selectors where the parts have to move fast.
>>
>> I've taken apart some Model 14 selectors on Western Union machines and found a
>> green varnish-like substance on the separator plates causing the selector to
>> misbehave.  I don't know what W.U. was using for a lubricant, but
>> Real Teletype
>> oil was not supposed to cause that stuff to form.
>>      
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