....[snip]....
If I'm going to start up a dynamotor that hasn't been run in a long
time, does this one drop of oil in the bearings sound sufficient? Is
....[snip]....

I recently put a 30-year-old brand-new squirrel-cage fan into service
(I bought it in the early 1970's and never got around to installing it),
and it was pretty "stiff" until I dripped about 10 drops of light oil
into each of its two "oil here" holes. After that, it would start on
"high" but didn't want to start on "low"; another 10 drops in each hole
and it seems to be working fine now.

--Myron.
--
Five boxes preserve our freedoms: soap, ballot, witness, jury, and cartridge
PhD EE (retired). "Barbershop" tenor. CDL(PTX). W0PBV. (785) 539-4448
NRA Life Member and Certified Instructor (Home Firearm Safety, Rifle, Pistol)