Originally Posted by
Black Ned
I found the best way to service the bathroom fan/light units was to turn on the fan and use a leaf blower to force air up through the vent.
I had a situation where the fan would not turn, or turn slowly, at start up. The baby powder/talc gets into the bearing and seize. By blasting with the blower I was able to force the fan to turn and clear the bearings. My fan is still going and that is at least 5 years after the initial problem.
The fan/light was installed originally when the house was built in 1977.
Hope this is of use.
regards, Ned