> I have a telrex rotor with a 1/3 hp motor into a gear reduction box. On the
> side of the box it says fill with "600W Oil" on a plate. In the the manual,
> it says fill with "#20 non-detergent oil" I am not familiar with either of
> these classifications. Anyone out there have any ideas?
Non-detergent single-duty oil is often specified in applications where
the oil is rarely changed. My guess is that it is a more stable product.
It can be found at most auto supply stores.
I use 80/90 wt. gear lube in my Telrex because I've got a slow
bottom bearing leak - the heavier oil allows yearly refilling
instead of monthly. A slow leak isn't all bad - it keeps the
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