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Old 05-17-2014, 10:59 PM   #1
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What is a good way to oil this fan?

Hi AS Community, ...Today I was up on top cleaning the AC unit. And I think this is the condensor fan. It's the large fan that faces the sky....and it's in need of oiling. Recently after the unit has been running, this fan will stop turning and I end up having to shut it off to oil.
Does any one know a good way to get oil to where it needs? I have zoom spout and two other lithium spray oils, and am going back up there tomorrow.
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Old 05-18-2014, 02:24 AM   #2
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It sounds like the bearings in that fan motor are at "end of life". If they were to be lubed, one would usually see oil tubes or rubber stoppers at each end (bearing caps) of the motor.
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Old 05-18-2014, 07:08 AM   #3
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Once the bearings have actually seized you are pretty much in for a new motor. Sometimes you can oil bearings before they go south but these motors are cheap and designed to fail. What happens is the bushings run out of oil and become scored and no amount of oil at that point will fix them. Usually there is an oil port in the motor housing but there may not even be that. A new motor is probably going to cost $150. You need to also check and see if the shaft is free or not. Sometimes the capacitor will go bad and the motor will sit there and hum. My motor was full of dirt dauber nests and the bearings and capacitor were bad. I figured by the time I spent $200 on this thing that something else would die, so I bought a new unit.

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Old 05-18-2014, 07:39 AM   #4
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Yes - thanks, I am aware that there should be a couple of plugs or even holes to lube the motor. It's the problem of GETTING to the motor from the sides so I can get to those plugs or outlets. The fan is enclosed with the metal walls. with one wall (towards the rear of the Airstream) that is a vent. But today one way or the other I will get in there and will see where to oil. The motor is not worn out it just needs a good application of oil.
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Old 05-18-2014, 07:41 AM   #5
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Thats what I am checking on today, I am just not sure about which wall to take off to get to it to be seen from the side- below the fan.
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