My fan is making a horrble ratting noise, but is still working. How do I fix?
SOURCE: dayton 30' pedestal fan will
Whats happening is that your fan is overheating (usually due to a loss of lubrication in the bearings), and the motor's thermal cutoff is kicking in (due to overtemperature), and shutting down the motor.
This thermal cutoff circuit is installed in consumer motors to prevent fires.
You have two solutions:
(1) disassemble your nice 30" pedestal fan (I've done this a few times - any handy guy/gal can do it),
and lubricate (with automotive bearing grease ($3 at any auto parts store), or 3-in-1 oil for those spots that won't take bearing grease) the bearings, and
reassemble. Re-lubricate on a regular schedule to prevent recurrence.
(2) buy a new one. Give your old fan to the kid on the block who thinks he/she can fix anything &
tell him/her it just needs to be lubricated.
SOURCE: broken cinni pedestal fan
rattling fans are an indication of unbalanced fan blades. check for dirt or corrosion on blades Remove the blades and see if the motor still vibrates. If so scrap the unit. You may be able to get new blades but as few places carry fan spares I would hold out hope in that department. Check around the appliance repair shops and see what info you can dig up . May be a contact to the manufacturer on the web will give some answers as to spares
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