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Unread 09-06-2014, 10:43 PM   #41
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Default Re: CC electric motor keeps burning up

The gears are differential. You need to roll the cart straight with both wheels on the ground. Count the number of times the spline shaft turns. You cannot just turn one wheel, that troughs everything out of whack.
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Unread 09-06-2014, 11:08 PM   #42
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Default Re: CC electric motor keeps burning up

Thanks for the input mrgolf! I will try that tomorrow and post results. Hopefully that will finally make sense to me then as far as the 12:1 goes. And I'm hoping D&D had the wrong settings on my controller. I can't wait to see the day I can drive my cart with no worries or problems. I might just convert it to a series if all else fails.
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Unread 09-07-2014, 07:48 AM   #43
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Default Re: CC electric motor keeps burning up

When you say spline shaft, are you reading it from where the motor bolts to the housing inside the housing? Is it that shaft you're counting how many times it turns when someone is turning the wheels?
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Unread 09-07-2014, 08:00 AM   #44
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Default Re: CC electric motor keeps burning up

. . most golf carts have factory gear sets of about 12.5:1 to attain speed of 14mph . . . 8:1 would attain about 20mph . . . 6:1 would attain about 27mph . . .
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Unread 09-07-2014, 08:32 AM   #45
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Default Re: CC electric motor keeps burning up

Quote:
Originally Posted by scooterman View Post
When you say spline shaft, are you reading it from where the motor bolts to the housing inside the housing? Is it that shaft you're counting how many times it turns when someone is turning the wheels?

That was from turning one wheel though.
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Unread 09-07-2014, 10:03 AM   #46
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Default Re: CC electric motor keeps burning up

If D&D reprogrammed the controller that may be all you need if your information is correct on the gearing. I'm with you, if you burn up this one, rip it all out and go series, if I burn mine up that is what I'm doing.
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Unread 09-07-2014, 10:58 AM   #47
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Default Re: CC electric motor keeps burning up

Like on a car or truck to check the rear end gear ratio you mark the drive shaft and roll the vehicle one wheel relvolation with both wheels on the ground. This gets you real close to the gear ratio. The best way is to count the teeth on the gears and divide.

If you use turning the wheels they both must turn together, when you drive around in a circle the outside wheel turns a lot more turns per circle than the inside. Same thing happens when you jack up cart and turn one wheel. Just guessing I would guess you would half the count if you use one wheel off the ground, then again you may double it, or it may be somewhere in between.
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Unread 09-08-2014, 07:46 PM   #48
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Default Re: CC electric motor keeps burning up

I just tried to reprogram my DCX500 Alltrax controller. I followed everything word for word and step for step as their instructions stated. They sent me some new parameters to program it to. I realized something was wrong when my laptop wouldn't detect it no matter which Comm port I changed it to.
So I decided to unhook everything and do some testing. My battery pack voltage from the 2 - 9v batteries were zero volts. When I started, it was 19.2v. I knew something was a dead ground in the controller somewhere.
The controller was off the cart, on the bench, when I was trying to program it. So nothing was hooked up except the B- from controller to negative of battery pack and I had 5,6,9 and 10 pins jumpered out and hooked to positive side of battery pack (2 - 9v batts).
I get continuity between B-,M-,B+,F1,F2,pin #2 & #10. No matter which two I put ohm meter on, there's continuity between ANY combination of the above.
Looks like I'll be sending in the controller to D&D now. I wish I knew it was bad when I sent the motor back. Gonna be down for a couple more weeks.
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Unread 09-09-2014, 09:06 AM   #49
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Default Re: CC electric motor keeps burning up

What a pain, hope D&D resolves the issue and not try and give you a hard time about the controller. Starting to think the old resistor type carts are the best LOL
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Unread 10-28-2015, 11:23 PM   #50
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Default Re: CC electric motor keeps burning up

Quote:
Originally Posted by BowHuntinFever View Post
I just tried to reprogram my DCX500 Alltrax controller. I followed everything word for word and step for step as their instructions stated. They sent me some new parameters to program it to. I realized something was wrong when my laptop wouldn't detect it no matter which Comm port I changed it to.
So I decided to unhook everything and do some testing. My battery pack voltage from the 2 - 9v batteries were zero volts. When I started, it was 19.2v. I knew something was a dead ground in the controller somewhere.
The controller was off the cart, on the bench, when I was trying to program it. So nothing was hooked up except the B- from controller to negative of battery pack and I had 5,6,9 and 10 pins jumpered out and hooked to positive side of battery pack (2 - 9v batts).
I get continuity between B-,M-,B+,F1,F2,pin #2 & #10. No matter which two I put ohm meter on, there's continuity between ANY combination of the above.
Looks like I'll be sending in the controller to D&D now. I wish I knew it was bad when I sent the motor back. Gonna be down for a couple more weeks.
I'm going through almost exactly the same thing. May I ask how you fixed the problem and what was causing the overheat?

Thanks
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