[GreenKeys] WD-40

[Curt Nixon]

Pure mineral spirits is good to use to flush this type thing in-situ, 
then relubricate as specified.  THe spirits evaporate but leaves no real 
residue.  Kerosene also works but does not evap quite as clean.

KU8L

On 9/6/2020 10:43 AM, John, W9DDD wrote:
> Doug, that's a much better explanation that the one I sent to Jeffery.
>
> It was suppose to have gone to the list, but when I do email from the 
> iPad I never know where it's going if I don't pay close attention, 
> which didn't happen that early in the morning.
>
> Basically I said it's baaaad stuff to use on TTY equipment.
>
> John, W9DDD
>
> On 9/6/2020 8:58 AM, Jones, Douglas W wrote:
>> From: Jeffrey Angus [jdangus at att.net] -- Sunday, September 6, 2020 
>> 6:53 AM
>>
>>> What's the procedure for removing WD-40 and getting my printer to 
>>> work again?
>>
>> My understanding is that WD-40 is basically kerosene, with some 
>> industrial perfume added to give it a nice smell and perhaps 
>> something else.  The primary problem with using it as a lubricant is 
>> that it is temporary.  The kerosene evaporates. The small amount of 
>> other stuff in it may turn to gunk, but that will dissolve in light 
>> instrument oil.  What you need to do is use light instrument oil -- 
>> something that doesn't evaporate. If the gunk issue is serious, 
>> degrease first, then re-lubricate.  That's ususally only necessary if 
>> the gunk was serious before you used WD-40; the kerosene in WD-40 
>> dissolves gunk and lets the mix of gunk and kerosene act as a 
>> lubricant until the kerosene evaporates, and then you're back where 
>> you started, gunk.
>>
>>           Doug Jones
>>           jones at cs.uiowa.edu
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