Quote:
Originally Posted by pj67coll
Anbody ever used "Evaporust"? I'm attempting to restore an old hand drill, the kind with the extension that you lean against with your body to provide force when you are drilling. I can only dissassemble it so far and I can't separate the shaft from the chuck. I can see tiny ball bearings between two components and I'm wanting to take the rust off without damaging the surface of the ball bearings.
- Peter.
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I've never bought evaporust because it is seriously expensive over here. I have used the competition - Rustyco. This stuff is similar.
In fact the Eastwoods rust dissolver is also similar
...as is the stuff you get as a preparation for POR15 and KBS.
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All of these products seem to work on OIL FREE surfaces that are immersed in the stuff for a lot longer than the adverts will lead you to believe!
If you include any muck or gunk in these baths you end up with sediment problems. I've seen people rigging up fish tank pumps (on the interweb) and such to try and stop sediment from settling - cos when it does it slows / stops the rust eating process.
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In the situation of an assembly you can't dismantle that was lubricated I think these products are unlikely to help.
Try and look for a penetrating oil that also kills rust. Over here "Brunox" do one that kind of makes an OK job in such situations - but whether you can get that in the US of A I don't know...
...there is probably an equivalent.