In article , Rheilly Phoull wrote:
Bob F wrote:
I've seen a number of older exhaust fans that start very slowly. Turn them
on,
they barely turn for up to several minutes, then finally speed up fairly
quickly
to normal operating speed. Can anyone suggest why this happens, and a way to
fix
them to operate properly?



First thing to try is lubing the bearings I would think

Nope, that's the second thing. First thing is to check for two decades' worth
of dirt and crud built up on the blades, and clean as necessary.