its an older dayton motor style i looked at the motor is mounted to the base by resiliant rings to absorb vibration when it runs the motor type is a split phase meaning when it starts up the centrifiqual switch cuts power off to the start winding when the motor reaches 75% of its operating speed as these generally run at 1725 RPM. as this motor is called a split phase motor. if there is a capacitor mounted to this motor and uses the centrifiqual switch then its a capacitor start motor. some other dayton pedistal fans use a PSC (permanent Split Capacitor) and run at 1075 RPM as some are oscillating. as far as i know from Grainger the blades and guards are still available for this fan. some can be on Ebay too. as i would use OEM dayton parts on the fan to preserve its value.
The blade was replaced and was purchased from an HVAC supplier who buys their stock from Grainger. I remember the guy at the shop pulling out a Grainger catalog to look it up when I brought the old blade in to see if they could get the replacement. LONG before we had smartphones or the ability to look things like this up online.
"Centriffical Switch" ? What do those do. I hear that "click" on some of the bench grinders we have. Dayton is good stuff. Not sure but I don't believe they are in business any longer or if they are, they are run by another company? I have one of their office desk fans 12" oscillating. It's used at least 5 time a week all day/night and continues to work perfectly since about 1976.
That centrifugal switch is used to switch the starting windings off once the motor reaches a specific RPM. There are two sets of windings on this style of motor. Starting and running windings. At startup, both the starting and running windings are in play. Once the motor reaches a specific speed, a spring loaded set of centrifugal weights move outward and act on a set of contacts that control the starting windings this turning them off and just the running windings are in play. When the motor is turned off, and the motor slows down to a specific speed, the spring loaded weights retract thus closing the set of contacts that control the starting windings so when the motor is turned back on both sets of windings are in play for starting.
My neighbor was trashing a Dayton 4M254 Electric Motor Air Circulation Motor and Pedestal Fan...Big sucker. I put new wires on it and it started right up...but the motor gets real hot after 10 minutes or so...No Noises from the Motor...but it gets real hot. It says the bearing are Permanently lubricated so what can i do ?
Probably a bad winding if there's no hesitation in the motor, and permanently lubricated bearings are easy enough to lube, just pull the motor apart and access the bearing directly, if it's a sealed bearing a small screwdriver can be used to remove the seals and mineral oil wheel bearing grease can be packed in them, make sure to replace the seals otherwise it'll end badly
the husquarvana mower it has a Briggs and Stratton engine on it as you may want to check that engine it has a bad reputation for problems as they are on pressure washers too this Briggs and Stratton professional series the problem is that Briggs and Stratton is using PLASTIC camshafts and timing gears in their engines when they fail the valves stop working in the engine. the dayton fan the blade and parts are stil available through Grainger.
