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Old 07-07-2019, 06:50 PM   #1
mmiille
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Default Driving and heard a pop, then

I have a 2010 LSV that has been setting for about two years. I put new batteries in it and the speedometer quit last weekend. I was trying to knock the cobs out driving in town and heard a pop and smelled burning. Then nothing. The volt meter drops when I step on the foot feet, but nothing moves. Hard to push it back home, but looking for things to try.
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Old 07-07-2019, 08:01 PM   #2
NoleFan4Ever
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Default Re: Driving and heard a pop, then

Check the cables going back to both the controller and the motor. You probably blew one from dry-rot, mice, and/or bad connection.
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Old 07-13-2019, 07:54 AM   #3
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Default Re: Driving and heard a pop, then

Checked the wires and nothing corroded or loose. Found 4 fuses and they all looked good. The controller clicks and voltage drops from 49 to 47, then clicks again and stays at 49, when I push the pedal while in forward.
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Old 07-13-2019, 07:57 AM   #4
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Default Re: Driving and heard a pop, then

Also there is a meter that says "hours" on it. It reads 18.8 and goes to 16.5 svc when I push the pedal in drive.
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Old 07-13-2019, 10:16 AM   #5
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Default Re: Driving and heard a pop, then

Does the LSV use an open ventilated motor like the old Tomberlin? Brushes have been know to pop right out of their holder. Do a simple ohm check on the motor. Jack it up, disconnect main positive & negative. Clip a DVM to A1 and A2. set meter to 200 ohm setting. put red on one motor lead and black on the other. rotate the wheel which rotates the motor and look for variation...
Good luck & yes every day is a good day
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Old 07-14-2019, 09:40 AM   #6
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Default Re: Driving and heard a pop, then

I'm not sure what A1 and A2 are so I put the meter in the three different options at 200 ohms. One had a reading of 1.7 and went to 2.2 when I spun the wheel. I noticed that the motor doesn't spin all of the time and when I took off the guard for the brushes there are burnt spots on the rotating part of the motor.
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Old 07-14-2019, 10:19 AM   #7
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Default Re: Driving and heard a pop, then

Now I found the
A1 and A2 on the motor. I will try again.
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Old 07-14-2019, 10:33 AM   #8
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Default Re: Driving and heard a pop, then

Hooked up to A1 and A2. Reading is 4.2 Spun the wheel and it goes to 6.5, 7.4, 14.1.

But the inside of the motor doesn't spin all of the time I'm turning the wheel.
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Old 07-14-2019, 10:53 AM   #9
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Default Re: Driving and heard a pop, then

If there are burn marks on the armature the motor needs to be removed and taken apart.

Do you have both rear wheels off the ground or just one? If it’s both, lower one side so only one wheel is off the ground and spin that one and see if it still only spins sometimes. Listen for any grinding or clunking noise. Could have had a mechanical failure in the transaxle or the motor coupler stripped.
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Old 07-14-2019, 11:03 AM   #10
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Default Re: Driving and heard a pop, then

That was with both wheels off the ground. I did it with one wheel and the motor spins all the time. no grinding or other noises. The digital meter goes up to 14.4 from 4.2.
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