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Old 11-06-2017, 03:53 PM
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Compressor motor dead...

I spent the majority of Saturday tinkering with the compressor trying to get it going again. Starting capacitor was blown out, so I pulled the entire motor off to get it checked out. New capacitor got it running, but all of the magic smoke came out, too. Guy at the shop said the windings were shot. New motor time. What is a good place to look into getting a new one? Photo attached of the motor plate.

Dave

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Old 11-06-2017, 05:20 PM
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I used one of these on my compressor.

https://www.northerntool.com/shop/to...6765_200306765

I have had it about 15 years, use it just about every day, and the motor is doing fine.
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Old 11-06-2017, 06:05 PM
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I was looking at that one, but I think the shaft on mine is 7/8". I'll have to check to be sure. Everything else looks good. Grainger is showing a very similar model, but it has a 7/8" dia shaft. Guess I'll have to head back over to the garage to make sure...

Dave
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Old 11-06-2017, 08:10 PM
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I'd take a look at either Ebay or Amazon. I'm not sure if you want name brand or are willing to accept off shore. I'm including to a link for a brand name motor that's at a fair price. When your looking make sure you check shipping!!

BB

Oops! You said 7/8 shaft
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Old 11-06-2017, 08:16 PM
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I would recommend if in your area you have a tsc or orchelens farm and home supply store. Check around there are probably some old school rebuilders in your area as well
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Old 11-06-2017, 08:24 PM
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270.00. Decent price extended warranty too
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Old 11-07-2017, 04:52 AM
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Quote:
Originally Posted by boothboy View Post
I'd take a look at either Ebay or Amazon. I'm not sure if you want name brand or are willing to accept off shore. I'm including to a link for a brand name motor that's at a fair price. When your looking make sure you check shipping!!

BB

Oops! You said 7/8 shaft
Thanks, BB. I THINK it's a 7/8" shaft. I'll have to look tonight when I get home. I had been looking on both Amazon and Ebay, and you are right about the shipping. It can be a killer.

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Originally Posted by Gas and diesel man View Post
270.00. Decent price extended warranty too
I had not even thought about TSC, and I have a couple close by. I checked out the specs on that one, and they don't list the shaft diameter. All other specs seem to match up with what I need. Closest store shows that they have one in stock, so I'll have to check it out once I verify what the shaft diameter is on mine. There is also conflicting info on the rotation direction. TSC says both reversible and CW only in their Q&A section, motor plate says reversible.

Dave
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Old 11-07-2017, 06:01 AM
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One I posted is 7/8 shaft if you need
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Old 11-07-2017, 07:00 AM
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Quote:
Originally Posted by Gas and diesel man View Post
One I posted is 7/8 shaft if you need
So it is... Funny, it shows up on the "Details" tab, and not the "Specifications" tab. Go figure.

Dave
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Old 11-07-2017, 07:48 AM
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Quote:
Originally Posted by cozwurth View Post
Thanks, BB. I THINK it's a 7/8" shaft. I'll have to look tonight when I get home. I had been looking on both Amazon and Ebay, and you are right about the shipping. It can be a killer.



I had not even thought about TSC, and I have a couple close by. I checked out the specs on that one, and they don't list the shaft diameter. All other specs seem to match up with what I need. Closest store shows that they have one in stock, so I'll have to check it out once I verify what the shaft diameter is on mine. There is also conflicting info on the rotation direction. TSC says both reversible and CW only in their Q&A section, motor plate says reversible.

Dave

http://www.ebay.com/itm/Leeson-Elect...MAAOSwPcVVnTFO

BB
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Old 11-07-2017, 10:25 AM
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the frame number indicates the shaft size and mount style
$221 on amazon and you can have it to your house for free in 2 days

https://www.amazon.com/3450-Frame-20.../dp/B000R7ZBN2
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Old 11-07-2017, 05:27 PM
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Ogre, thanks for that. That Century B384 looks to be the updated version of my burned out motor. I did confirm tonight that it is a 7/8 shaft. I pulled the pulley off, and that's as far as I got tonight. I am going to check out the motor at the TSC here locally. There is a bit of conflicting info on the web site about being able to reverse the rotation. Specs say clockwise, one of the Q&A answers say that it is reversible, one says it's not. The picture of the motor plate says that it is. I guess I'll find out for sure tomorrow. I'm leaning towards the TSC motor over the Amazon/Ebay motors right now for warranty purposes, at least if it will run CCW. The online motors have the same 1 year warranty, and may be a bit cheaper, but warranty shipping is not covered, and that's expensive for a heavy electric motor.

Dave
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Old 11-11-2017, 04:45 PM
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OK, I picked up the new motor this morning, and got it wired up and running. Motor - good. Pump - not so good. I guess it has been sitting unused for too long, as it struggled to make 100 psi after over 15 minutes of run time. I'm pretty sure its the valves either sticking or corroded. Dad bought this thing in the mid-late 80's, it's a Sanborn B5000 two-stage. Since it's so old, I'm having a hard time finding any parts listings for it. Dad still has the parts breakdown, so I have access to the part numbers. That's not doing me much good though. It would have been easier to buy a whole new compressor.

Dave
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Old 11-11-2017, 04:57 PM
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Show me a pic please
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Old 11-11-2017, 05:02 PM
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Pull intake breather off and grab a can of pb blaster
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