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Old 11th Jul 2003, 2:39 pm   #8
Norm_Leal
Retired Dormant Member
 
Join Date: Jan 2003
Location: Livermore, California, USA.
Posts: 139
Default Re: Use of switch cleaner on valve bases.

Hi

I use Naval Jelly. It's sold for removing rust and contains Phoshphoric Acid. Brush it on. Let stand for 1 minute and wash off with water.

Although sanding, steel wool and other abrasives will work they scratch the plating. The above method makes the pins like new.

Norm
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