Runtime Error wrote:
"Erma1ina" wrote in message
...
I decided to replace my still-working but aging sump pump with one (1/3
hp Wayne CDU790) that I got 7.5 years ago and kept stored in its
original packaging.

When I took the pump out of the original box, I noticed a small amount
(probably less than an ounce) of oil in the discharge volute. My fear is
that the motor seal has weakend from being on the shelf for so long.

I'd appreciate opinions on whether the pump is too risky, either
mechanically or electrically, to install.

Why not test it? Set the pump up in a 5 gallon buckets filled with water and
pump the water to another bucket set above it. Set up either a drain hose
from the bottom of the top bucket-- or siphon the water from the top one
back to the lower one making a closed test system. Balance the input/output
so neither runs dry and let her run for a few days. Then you'll now if it's
good or not!


If his new pump has a bad seal, he could damage
the motor. That pump is filled with oil not only
for corrosion protection of the motor but for
heat transfer.

TDD