Top positive review
10 of 11 people found this helpful
Cleaning the motor shaft gives motor new life...
on November 17, 2012
Broan Attic Fan (340, 343, 350, 353) Replacement Motor # 97009316
After removing a 9-year old Broan attic fan for a remodeling project, it was obvious that the fan blade didn’t turn as easily as when it was new.
I cleaned the steel sleeve bearings and motor shaft and it worked fine for three more years – at that point, the motor shaft wobbled at the front bearing due to wear, so I installed a new #97009316 motor. The old and new motor appeared to be identical.
If your motor shaft doesn’t wobble, see comments for how to get a few more years out of that old motor.
I took one star off because fan motors should last longer; e.g., our main attic fan motor (also with steel bearings) lasted over 20 years with no maintenance.