Clean that dirty chassis,brother![via LSMTP - see www.lsoft.com]

[Malcolm Leonard]

I guess Heath test gear chassis were done in a raw,uncoated aluminim as,over a period of time,they accumulate the most God awful looking oily fingerprints and powdery white crud that will flake off if you brush it.

Mineral spirits paint thinner and a piece of steel wool(I shield the  components with pieces of paper towel to keep the wool fibers away from switch contacts,etc) does a great job of removing the oils and crud,or you can use automotive compounds and polishes,or plastic polish or Brasso to accomplish the same end result.Any mild,cleansing abrasive,in other words.



I finish the job by applying Vaseline,then removing most of it with a piece of paper towel.This leaves a  thin,protective coating which keeps the chassis crud free for at least a year in my experience.



In mild cases of crud invasion,,just the Vaseline alone,briskly rubbed into the chassis does the job,with no abrasive being necessary.

Malcolm Leonard



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