[Milsurplus] WD-40

[Bruce Gentry]

On 2/7/13 6:36 PM, Bruce Gentry wrote:
>   WD-40 is mostly hydrocarbon solvent, and is acceptable only for an 
> initial cleaning to remove hardened grease and oil, as well as 
> ordinary dirt from contacts. It's also very good for dissolving old 
> lubricants that have oxidized and turned to varnish in switch and 
> control bushing. Once the shaft is freed or the worst of the crud is 
> loosend up, the WD-40 must be completely flushed out.  It will make a 
> terrible mess if left in the control or switch, likely worse than 
> before it was applied. It doesn't do much for oxidation on contacts, 
> something else like DeOxit is needed for that. It can be used as a 
> step in cleaning  a really filthy switch or control, but is only the 
> beginning. If the shaft of a switch or control turns freely, and the 
> the contacts or control are scratchy, it probably isn't needed, just 
> use a good contact cleaner.
>
>       Bruce Gentry, KA2IVY
>>
>>> What does the group think about using WD-40 as a contact cleaner?
>>>
>>>
>>> breck   k4che
>>>
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