[Heathkit] Cleaning up after Soldering and kit building.

[Ron Youvan]

> I recall a review of an SB-303 that had been "professionally" built.
> The reviewer remarked that the rosin flux had been "washed off" the
> circuit boards. This was one of the hall marks of a professional
> assembly job.

> How do you do that?  Does water wash rosin off or do you use something
> else?   I visited a commercial assembly company and they had a huge
> machine that used de-ionized water to clean their circuit boards.

   Old solder can be removed with isopropyl alcohol and many other solvents that are
much "nastier."   Modern fluxes have been devised that wash off with water.
I use "Q" tips.
-- 
    Ron  KA4INM - He who attacks the fundamentals of the American broadcasting industry
                  attacks democracy itself.        -- William S. Paley, chairman of CBS