[Heathkit] Cleaning up after Soldering and kit building.

[Rod Hogg]

I use Miller-Stephenson "Solvent&Flux Remover", MS-990/CO2 spray, and an old
tooth brush,  there are others out there too.  Makes a nice clean, shiny PC
board.  Need to wash it off with light detergent/water solution to remove
solvent residue.

Rod
KØEQH


-----Original Message-----
From: heathkit-bounces at mailman.qth.net
[mailto:heathkit-bounces at mailman.qth.net] On Behalf Of kiyoinc at attglobal.net
Sent: Monday, February 01, 2010 7:30 PM
To: heathkit at mailman.qth.net
Subject: [Heathkit] Cleaning up after Soldering and kit building.

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.

When I've built Heaths in the past, my finger dirt or sweat-salt has 
left marks on the aluminum panels.  I see that on the Heaths that I've 
been restoring.   Is there a way to keep the panels looking clean and 
shiny?

Some guys polish the chassis when doing restorations.  There's a guy on 
eBay who does that on Hallicrafters SX-100's.  If I were building a new 
kit, is there a way to polish and protect the metal before assembly?

de ah6gi/4


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