When I rebuilt two TDs back in the 1970s, I bought a five
gallon pail of carb cleaner or something like sodium
hydroxide, caustic soda, etc. from an auto parts supply
house. I forget exactly what it was. Anyway, it would
strip paint off. The pail was actually 6 or 7 gallon in
size. It would also remove oil and grease. When removed
you could rinse the residue off the part with water.
AFterwards I wire brushed everything to get rid of the rust.
You can make a good paint stripper using lye and water.
However I have been chastised for suggesting the method as
lye is very caustic.
Anyway after removing the paint by dipping you can clean up
the rust by using your sand blaster. A two step method as
chemically stripping and the blasting the rust might be
faster and maybe just as cheap when you consider the
electricity and the media use.
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