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Lucky Neighbor!

guido

guido

Well-known Member
Hello,

My neighbor came and ask me to look at his central air.
Nothing was working on the outside unit. After a quick look I
saw the capacitor had gotten hot, and was bulging at the top.
Told him to get one. $15 on Amazon.com. He called me and
said: I put the capacitor in, and I GOT AIR, THANK YOU!
Here is the old capacitor,
a166486.jpg
 
A guy who buys hat form me was here yesterday getting a round bale from me and he said the other day he came home to no AC. He said the guy who worked on it found a capacitor that had exploded and the guy replaced it and all was well again
 
Hello IA Gary,

Mostly age, the unit is 13 years old. Short cycling and low voltage can do the same damage, but that accures mostly on start capacitors. This one is a dual run capacitor, 35 uf for the compressor and 5uf for the condenser fan,

Guido.
 
Hello old,

Yep, cheaper then a condensing unit! Most of the time the connections get hot and loose. A new end revolves the problem. This one was bulged, the ones that go boom are easier to diagnose,

Guido.
 
That is one of the many reasons I keep so much old junk around the place. Not all that long ago one of the capacitors on a junk air compressor I have went bad so I just opened up an old AC unit I have laying around and took a cap form it and while it does not fit like it should works just fine
 
I'm pretty dumb when it comes to electric tinkering, but maybe someone should mention those little cylinders store a lot of electricity like a battery but unlike a battery are willing to drain it all off real fast in a big strong arc, right?

And so if tinkering with them, be aware of what you are working with?

Paul
 
Hello old,

Well...after 40 years of using old stock I am all out. I only have a handful of caps around and never the one I could use anymore. But they are cheap enough and readly available,

Guido.
 
Well if you lived in an area like I do they are not all that easy to come by. There is only one place in town that might have the one I need on hand and that is if/when I get lucky and that place is a motor repair place and if you have to get something nfrom them there always on the high side of costs
 
I knew an electrician, 80+ years old that was fixing a microwave, and was killed by the capacitor. Ypsilanti, MI...
 
Lady at church was telling us they had to replace the entire Ac system.

I asked why, she said something outside smoked and smelled, it quit working. The "trusted" AC man told her it couldn't be fixed, lucky the whole thing didn't explode and burn the house down!

I'm thinking it was a bad cap...

Wish she'd called me first.
 
Hello steve@advance,

Yes me too! So much thievery going on and all for the almighty dollar. I did enough though to keep perfectly good units going to the dump,

Guido.
 
Hello paul,

With due respect, not my first rodeo. Diagnose was made with no tools just a visual one. Power was off when my neighbor installed the new one, not is first rodeo as well,

Guido.
 
Had the same thing happen. Went on utube and they said to look for the bulge out of the top. Got one on ebay. Also had one of the spot-weld arms come off the squirell cage motor. got one without the welds. I also have an extra relay switch on hand.
 
Hello PAGlenn,

The capacitors do go south after a few years. Not always the same ways though. The bulge is not always there. I use my DVOM now. I have used an analog Sympson for years. Cap testers are now widely available and have all the specs....

Guido.
 
I have a nice Hammond electronic organ, mid-70s vintage, that I paid $25 for. The lady at the church garage sale was very honest about it, said all they could get out of it was a loud hum. Main power supply filter cap, of course. You had to look hard to see where the magic smoke got out but I've seen a lot of caps in my lifetime. Now if I could just learn to play the thing...
 
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