Hi all,
last August, I installed an ME 0709 brush type DC motor in my Privateer 26 sailboat. I use 4 x 12v lead acid batteries. I have a Noco Genius 4 bank, 40 amp onboard charger that is hooked to shore power.
I have been simply running the system on 24v through a reversing contactor. It works fine getting in and out of the marina, but I decided to install a controller to get more power. I wired in a 48v alltrex yesterday. When I test ran the motor it worked perfectly. Slow start, and ramped up to full speed with lots of power. I finished mounting everything and cleaned up the wiring, etc. I tried the motor one more time for a few seconds, and when I tried reverse, The motor stopped. I checked all around for a loose wire, and found the cable to the - stud was loose. I could also move the + side if I tried. Both studs broke off right where the wires attached, as soon as I applied torque to them.
Anyone have this happen? Can I remove what's left of the old studs and screw in new ones? What is causing this, and how do I prevent it in the future?
Chuck
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