[Elecraft] KSYN3A mod problem

[Wes (N7WS)]

Disband the terrorist EPA (A terrific idea regardless) and we could go back to 
Freon vapor degreasers.

On 9/7/2015 5:05 PM, Don Wilhelm wrote:
> Fred,
>
> Gary and I both have been using acetone for a long time.
> If the board is flooded, the results can be catastrophic since residue flows 
> under components and makes a mess.
> But carefully applied with a swab or small brush to a small area and mopped up 
> with a paper towel it will do the job very well. The contact time *must* be 
> short, and that is why one must work in small areas.
>
> Yes, alcohol can do a good job of cleaning flux too, but needs to have the 
> same precautions - it can make just as much of a mess or more because alcohol 
> attracts water vapor and causes it to condense on the surface being worked.  
> Dip an opaque object in alcohol and remove it with a paper towel - note that 
> the object will be wet with moisture.
>
> Besides, the job for the particular problem stated was not flux removal, but 
> removal of some unknown compound from connector pins. Alcohol is likely to be 
> ineffective.
>
> 73,
> Don W3FPR
>