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BIG vibration in outside condensing unit

Ms. fixit

By Ms. fixit
in DIY Appliance Repair Help

Recommended Posts

Ms. fixit

Ms. fixit

Posted
Posted

will go out and grab model number if necessary.  approx. 12 month ago I put on a new motor on the outside condensor.  Getting the fan off made a somewhat simple job almost impossible! After I put the fan on the new motor, I noticed that it just wasn't running as "smooth" as I thougt. Nothing anyone else would probably notice, but I can tell by the sound when the dishwasher arm is hung up on something and not turning. 

So, to make a long story longer, I was afraid I had unbalanced the fan when removing it.  RIght now it vibrates the unit.  I moved one of the blades that looked a little off by eye and it seems to be doing a little better.  I also noticed the whole unit has sunk a little because the footing has sunk.  Is there such a thing as a person who checks pitch and balances a fan?  Could my uneven unit be contributing to this?

It's gonna be 100 today and I wanna make sure I still have ac!

Thanks!

Kimberly

  • Replies 5
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appl.tech.29501 Sensei

appl.tech.29501

Posted
Posted

I usually just kill the power and bend the blade(s) by sight. Bend rotate by hand ,repeat till they look the same. I don't think the sinking would matter, your unit is on a concrete slab right?

Ms. fixit

Ms. fixit

Posted
  • Author
Posted

Yes, it is on  concrete.  I had already made a go of straightening it by eye and it sounded MUCH better.....just didn't want to make things worse if there was something else I was missing.

Thanks so much!

Kimberly

  • 2 weeks later...
Bobice Sōhei

Bobice

Posted
Posted

This is why I change the blade with the motor.

"Quality work does not cost, it pays."

applianceman18007260692 Sensei

applianceman18007260692

Posted
Posted

Well said

ACtechGUY Kohai

ACtechGUY

Posted
Posted

While it is possible to Eyeball straighten a fan blade, often it only somewhat improves the vibration.

If you mangled the blade in the removal attempt, it is toast:burning:.

Just buy a new fan blade . It may cost a whole 30 bucks at most for a standard blade.:P

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