How to lubricate fan bearings in furnace?
So in our 27-year-old Winnebago Warrior, we have a Suburban NT30KLT furnace. In the last couple of years, the first time it fires up you can hear the fan bearing squalling a bit and then it quiets ...
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I like Tri-Flow bike chain lubricant. It comes in an aerosol can with a fine straw spray nozzle. It works great for Kwikee steps too.
Chum lee
Chum lee
