DuoTherm A/C Condenser Fan Blade Removal
I have an older DuoTherm rooftop A/C unit that somehow the plastic condenser fan blade has gotten cocked a little sideways and is off-balance, causing a severe vibration. I took the shroud off, expec...
Forum Discussion
CJ&T wrote:
Chris,
Thanks for the advice. Do you just go about breaking off pieces of the fan blade assembly, or maybe take a Dremel and cut/grind a slot in the hub ?
I've done both- usually, once the metal band is removed, the plastic will break loose.
Also, do the replacement blades come with a new screw clamp to hold the blade onto the shaft ?
Yes- the new blades are considerably different than the originals, but come with the clamp.
Do you need to sand the shaft to remove the rust before putting the new blade on ?
I usually do- just to clean it up a bit, but I don't get it spotless.
