Re: [atlas_craftsman] Re: My rust removal test

 

Nice writeup Scott - Short and to the point.

For two years, I had an old computer power supply that was used in
everything from 5 gallon buckets to a 300 gallon horse watering trough. I
used that to strip the paint, grease and rust off numerous tools including
a Sheldon horizontal mill and its 30" x 30" X34" plate steel base. After
using it a year, I realized I was only using the 5 volt leads.

For me, practice was to do the following in (or next to) my old garage
which is quite airy:

1. Initial cleaning with spray on oven cleaner (outside, gloves, working to
the side with the wind blowing over the part). Works great for the initial
degreasing (heavy deposits and thick paint).
2. Rinse and disassemble, hanging all parts into bucket with sacraficial
sheet metal (from old computer boxes) around the parts
3. TUrning on power supply and leaving it for a week. (Ocassionally would
check and lightly scrub loosend paint away)
4. Rinse all in clear water scrubbing with a SS wire brush and dry
thoroughly. Put in a sunny place if possible to heat up parts.
5. Lightly wire brush any surface rust then wipe with a rag with paint
thinner
6. Rattle can prime with a good metal (bare/rusty metal) primer

Any surfaces that were to remain unpainted, I wired brushed, wiped then
waxed them with floor wax after painting.

I did this with several old woodworking tools and it was very nice to see
the original surface grinding on the work surfaces stand right out.

I did the prep and forget it method because I have young kids and lots of
house projects. If I did not get back to it for a 2 or more weeks, I did
not worry about it since the current kept the part rust free.

Brian

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