NH 18 foot bale carrier, need advice

Mike(NEOhio)

Well-known Member
Location
Newbury, Ohio
I bought it last year and used it a couple of days getting the hay in. The motor overheated so we put it aside and finished up. Just getting to it and the rotor was locked. It was running when we shut it down but the varnish must have melted on to the rotor. All the strings on the stator windings were burnt. It's a Reliance motor but there is no ID on it for frame size, HP, RPM. What should I replace it with? Should I try to clean up the rotor/stator bore and see if it will work? The wires aren't melted or charred. What's a good source for motors? I have the latest Surplus Center catalog but not sure what I should get. This isn't going to be used a lot.
 
A list- voltage, shaft size are the two most critical. Speed is likely 1750 or so. Then comes frame- likely a standard so get rough dimensions and mounting plate size. On a 18 foot, 1/2 would be the smallest going probably to 3/4. Buy a capacitor start capacitor run if possible- otherwise larger the better on just resistance start. Usually there is some sort of number plate left over but not always. Can always go up or down on pulleys size. Good luck.
 
Mike, no electric motor shops near you? That would be my first move. They would have the test equipment to tell if windings shorted. It had to get real hot for the coil string to burn off. For frame number, measure the shaft and base mounting, you should be able to determine frame size from that. For a new motor I would take the information you get from above measurements and look at Grainger (the old Dayton) if member of farm bureau might have discounts. I would think it is between 1/2-1hp. If you can give the measurements I or someone else can give you frame size. Paul
 
Really doesnt pay to take a typical farm motor to an electric shop, they say bad or costs to much to repair, her is a new one.....

Then you go to the farm store in town and buy a 1/2 to 5 hp Dayton motor there for cheaper.

Might as well save yourself the time to stop at the motor shop.

Paul
 
A few things can cause one to overheat.

Too small, too much load. Did it used to work, or has it always overheated? Did something bind, was it overloaded?

Low voltage. Too far from the transformer, too small wire. Motor wired wrong, wrong voltage, wrong wire connection combinations.

If it is a 3 phase motor, and it lost a phase, it will overheat, but there should have been overload protection on the starter. If the starter is factory, that could be a clue to what size the motor is by the overload heaters, IF they are correct. That needs to be corrected if it's not working or the wrong heaters.

Packed with debris, motors need air circulation, if it was clogged it would have overheated.

I doubt it is good if the varnish melted, but nothing to loose by trying.

A call to the manufacturer might give you a motor size.

Things to check when ordering a motor:

Frame size. You can take measurements from the original motor, look up a NEMA frame chart, find out what the dimensions are.

Horse power. You can go up but not down.

RPM. Need to be close to the original, probably 1750.

Single or 3 phase.

Enclosure. It needs to be TEFC (totally enclosed fan cooled). Sounds like a dirty job, you want it enclosed.
 
Mike, Harbor Freight has a motor that is rated farm duty. Have two of them that are used daily in the summer and seem to hold up real good.
 
If your bale carrier is a skeleton bale elevator, I cant imagine needing more than a 1750 rpm half horse motor unless you have 60 plus pound bales and are commonly running the elevator up over a 45 degree angle. If that is the case then a 3/4 horse will carry the day.
 
I worked in an electric motor shop for a few years. Checked several little motors for people. If windings were good then would trouble shoot see what problem was. Sometimes a capacitor (if had any), most of time was start switch on the single phase motors, usually just needed cleaned. If no parts available then sell them a new one. Paul
 

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Mike, maybe this chart will help determine what frame motor you have. Paul
 
I resurrected a 24 conveyor and made an elevator 15 years ago. I hung an old washing machine motor on it and its still going. Not sure it was a Maytag. Likely a Speed Queen.
 
Thanks for all the help, guys. It's a 56 frame TEFC, dual voltage reversible and set up for 125. There's no plate or anything stamped on the frame. It was pretty clean of anything plugging up the air flow and we were using it flat from the wagons to the mow running on a 100 ft extension cord. The motor's cord was in sad shape when I got it so I put a new one on. I'm pretty sure the leads are connected right. The connection sticker is intact but since I don't do electrical much I could have gotten it wrong.
 
You may have some severe voltage losses if the 100 foot of extension cords are too light. An over loaded electric motor will pull more amps than is listed on the name plate, that is only the amps at the rated load.
 

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