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Checked a few things 200 1989

posted by  porkface on  Sun Nov 30 11:36 CST 2008
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last visit: Fri Oct 24 09:12 CST 2014
[RELATED]

art-if i saw the upper trace-main pump-and not read the rest, i would've said-needs a main pump. funny the mis-wired feed pump did this. but, the main pump was pulling against a pulling feed pump, so the strain would show up. would like to see the main pump trace after the re-repair.

why the resistor for the amp draw test? because of the scope? looks digital. i've just used a dvom and an inductive pickup for the draw test. i've only scoped a couple of pumps. noisy, with a changing draw and no cavitation made me look at the trace.

looks like you nailed it. good job, chuck.






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