Question about Maytag MEY12F7E Air Conditioner

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The fan will work occasionally in my ac window unit.

When turning on my Maytag(MEY12F7E) it either works, or emits a low hum. When it emits the low hum, the fan is not turning (I know that the fan is not turning, because I opened it up, and could see this). It does not stop working in the middle of use, if working on an initial start. I'm assuming it's a fan motor/blower moter of some kind, etc. Just not sure, and it could be a pretty tough deal for me to get this thing out of the wall to take apart(it's possible, but I want to know costs before I get into to something like that) Any ideas??? Thank you for your time, Bryan.

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If you can access the motor shaft, try this: (Pull AC plug!)
Using a spray penetrating lubricant such as WD-40 and a towel to catch the drips, spray it at the point where the shaft enters the bearing while turning the fan with a finger. Penetrating lubricant does not lubricate for the ages, it is supposed to break down films and rust.
Try to sense if it starts turning easier. If it doesn't, the gummy bearing may be on the other end and you may not be able to get to that one.
Cheap motors commonly have sintered phosphor-bronze bearings with embedded graphite and the graphite will gradually build up and finally impede the fan motor that doesn't have the torque to overcome the gummy bearing.
If you do replace the motor, and have a Johnstone Supply in your area (chekc white pages, they don't advertise much), it will probably be <$20 even if an OEM part. Johnstone is 'wholesale' the the repair trade but I have never had any problem buying from them. I generally pay ~ 50% (sometimes only 1/3) of what a dealer will charge.   

Posted on Jan 09, 2009

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Bryan the manufacturers are making motors cheaper and cheaper.one way of doing this is a capacitor.it stores energy and can give the motor a kick start.you can look at your wiring diagram to see if blower fan curcit has one.,but the diagram is also in the cabinet.i know it not the easiest thing too think about getting into,but its like most things once your done you think that wasen't so bad.if its the blower though it can be a bear.they are definitely not my favorite job.also small chance there can be somthing in there stoping the fan from getting going but you would have spoken of a noise.anyway their's a start for you God bless ,tom ps you could get a price on the cap and fan motor.also non genuine [after market] are much cheaper.when owned my appliance business the parts supplier could tell me if there was a non-oem part

Posted on Jan 09, 2009

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