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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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03-05-2020, 08:05 PM | #1 |
Vintage tech
Join Date: Sep 2009
Location: South
Posts: 3,216
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Motor pretty burned
Looking for what might have caused this 2007 PDS motor to burn like this in case I do decide to get it back going.
It has stock tires but does have the rear flip seat. Maybe cheap aftermarket motor ? I also assume it took the controller out with it ? I haven't even looked to make sure the rear axle has oil in it. I do see where it might have leaked some out. Could be the reason this motor went south Pretty obvious this motor was under a load and that would account for this sparky looking thing Probably not worth putting a new motor and controller on it. I bought the cart because of other parts on it I needed but have not 100 % canned it yet. My shop now has the smell of burning wires in it Hope I don't forget in the morning when I get there and think something in the shop is scorched , other than this electric motor |
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03-06-2020, 11:39 AM | #2 |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Motor pretty burned
It is an aftermarket motor, but not a "Cheap" one.
Looks like an Admiral MOT-???. It would be nice if the cables weren't obscuring the label in the picture. What controller was being used? If it was a Stock PDS, it is dead and a likely reason for the burned out motor is the field map in the controller didn't match the motor being fed by it. |
03-06-2020, 12:22 PM | #3 |
Gone Wild
Join Date: Dec 2011
Location: Central Coast Cali
Posts: 161
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Re: Motor pretty burned
I overheated my Admiral MOT-B2 as well. I could not find a motor classification on it but the stock motor is a Class H. That means the internal temperature could go as high as 180 degrees celsius. I think the Admiral motors cannot handle the heat as well. Your motor looks like it got very hot. I am replacing it with a D&D.
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03-06-2020, 02:39 PM | #4 |
Bonafide Nincompoop
Join Date: Dec 2015
Location: Charlottesburg Va
Posts: 8,987
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Re: Motor pretty burned
Overheat or overspeed. Who was driving a the time, and was it going down a steep hill? Did it get towed back home at high speed?
Too many RPMs turns the motor into a squirrels nest. |
03-06-2020, 09:48 PM | #5 | |
Vintage tech
Join Date: Sep 2009
Location: South
Posts: 3,216
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Re: Motor pretty burned
Quote:
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03-06-2020, 09:53 PM | #6 | |
Vintage tech
Join Date: Sep 2009
Location: South
Posts: 3,216
|
Re: Motor pretty burned
Quote:
I thought the same thing when I took it apart last night. Someone towing it without flipping tow switch or towing at high speed. Hard to believe a controller could burn one up this bad but I am new to electric carts but learning. Still in hope of getting it going one day. The cart is actually in good condition except for this issue . Maybe if I just let it rest for the time being something will come along. Batteries were good and now in series cart I own. |
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03-07-2020, 08:49 AM | #7 |
Bonafide Nincompoop
Join Date: Dec 2015
Location: Charlottesburg Va
Posts: 8,987
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Re: Motor pretty burned
The B2 is a high speed motor. Needs more than that 275amp controller can deliver. The motor was cooking itself every time it drove.
Did that cart have bigger tires than stock? |
03-07-2020, 09:30 AM | #8 |
Vintage tech
Join Date: Sep 2009
Location: South
Posts: 3,216
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Re: Motor pretty burned
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03-07-2020, 10:44 AM | #9 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,419
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Re: Motor pretty burned
Does the controller shown limit motor rpm ?
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03-07-2020, 11:37 AM | #10 |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Motor pretty burned
The controller shown in picture is a stock PDS controller - Curtis 1206MX.
A 1206MX has a 300A throughput, it rpm limits motor to about 4400RPM, the field map is for stock PDS motor and it cannot be changed to field map compatible to an Admiral MOT-B2 motor by the user. ---------- You say the cart is in good condition and you've used the batteries in another cart, so get six 8V batteries, An Alltrax XCT48500-PDS controller, a 200A or larger solenoid, an Admiral or FSIP motor or have EMP build one and a set of 2Ga cables, plus a Lester Summit-II charger. That will be a cart that'll do 25+ MPH on stock height road tires, or can haul a manure spreader around the farm depending on motor selection. In other words, you've got the bare chassis for a dragster, or a Indy car, or a tractor or most anything you can think of. |
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