> 1. Use a flexible hose and some sort of angled air fitting
> that would "pull a suction" or siphon to pull the debris up
> from the sump and exit it from the sump to the outside.
> Essentially a non-electric vacuum
I have one of those "air powered vacuum pumps" (which in reality is just a
venturi), similar to
http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=96677
Then I took a Mason (canning) jar and soldered two pieces of 1/4" soft
copper tubing to the lid. Add some tubing, and it makes a small, explosion
proof, vacuum cleaner. The pump won't handle much volume, but you could
probably use 3/8" line instead of 1/4" if necessary.
Thin wall brass tubing from the hobby store makes a good probe.
Randall
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