Question about Lasko 3723 Floor / Box Fan
I can tell you how to take the fan blades off your Lasko Model 3723 fan, but you might not be able to use it on your other fan. The reason why is that the motors, although similar, may not have the same diameter shaft.
Of course, you should have the power cord unplugged from the AC outlet before removing the front fan grille and placing your hands on the blades. Safety first!
The fan blades and hub are a single unit that stretches to fit onto the motor shaft. There is no setscrew at all. Take any sort of metal bar or tool such as a screwdriver or pry bar and carefully lever the hub off the shaft by pressing your lever to lift the hub a small fraction of an inch on each side, working the hub slowly upwards against the long vertical bars that support the motor. If you have reasonably strong hands, you may be able to pull the hub toward you by placing your fingertips under the edge of the hub and pressing with your thumbs against the vertical support bars as needed. It's not too difficult to do.
Posted on Jun 11, 2009
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