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Date: Sat, 5 Oct 2024 20:32:40 -0400
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Subject: Re: Motor cleaning
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On 10/5/2024 12:45 PM, Don Y wrote:
> On 10/5/2024 9:31 AM, bitrex wrote:
>> sci.electronics.repair seems dead so I'll ask here:
>>
>> Is there a solvent that's OK to dunk the whole rotor and stator of an 
>> e.g. Lionel universal motor in to clean it up? Like say fill a bag 
>> with the solvent and parts and then toss it in an ultrasonic bath. 
>> Would something like anhydrous isopropyl be appropriate?
>>
>> The disintegration of a nearby carbon-zinc battery has made this 
>> assembly a sooty mess. 8-(
> 
> /Purple Power/ is my go-to cleaner for carburetors, etc.
> (which often have things like plastic floats, rubber O-rings,
> etc.)  Not sure of how it might react with the varnishes
> used as insulation...
> 
> Alcohol is probably OK
> 


Thanks for getting back, yeah, the varnish/enamel on the windings 
concerns me a bit so I don't want to use anything too aggressive.