solder flowering

[Ken Ketner]

I have had good luck with a product made by TECHSPRAY, their General Duty Defluxer, in a spray can, part number 1621-10S, which I got at my local electronics wholesaler. Should be lots of it on the net stores.

>----- ------- Original Message ------- -----
>From: ramcleod at COMCAST.NET
>To: HEATH at LISTSERV.TEMPE.GOV
>Sent: Tue, 22 Feb 2005 18:42:52
>
>Greetings to all,  I recently received a Heathkit
>piece, an SB 634.  On 
>cleaning and inspection, The solder on the main
>board has started to 
>'flower' or react / corrode / ??? with the circuit
>board. Some of it 
>vacuumed off, but there is still some evident. The
>residue looks like 
>the standard left-over from regular rosin-core
>solder.
>
>The Question:	What can be used to clean and
>neutralize old flux ?	I 
>don't remember seeing this question/problem on any
>of the reflectors.
>
>The unit works, except for the light bulb, which is
>missing.  Any idea 
>on a cross reference to a	     PL 201 bulb??
>
>Thanks to all,  Bob  WA1RM
>
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Ken Ketner
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