Quote:
Originally Posted by dbledan
I have one of these and we are happy with it but it has started to squeak a bit when running at higher speeds. Can I put some lubricant on it or will this make things worse?
Looking for a lubricant suggestion as I dont want to replace the fan if I dont have to. Attachment 212325
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Sure, drop some oil in the bearings if you can get to it. I had a hot water tank with a squealing/slow exhaust fan bearing that caused the hot water tank to throw fault codes and shut down. I oiled it monthly with a syringe and got 4 more years out of it.
I would remove power from it and use a small steel syringe to drop oil on the shaft just beside the bearing and the sides of the races as I manually spun the fan. I would do this to both bearings each time. The fan would then run silent and fast like normal for a month or so. Eventually the tank rotted out and I replaced it with that still bad bearing that tried to freeze up every 4-6 weeks.
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