I have a 36v weed wacker that I have been trying to get going off/on over the last 4 years
I bought it from the thrift store, it had no batteries, figuring I would just use a couple of laptop adapters in series and an extension cord until I hacked in some kind of battery pack. But the thing didn't work. The motor would barely move a tiny bit, then nothing.
Fast forward to now. I figured the brushes were worn out so I removed the motor, but the brushes were fine. The armature was dark, so I cleaned it, and the brushes surface with an eraser knowing that finally, I fixed the problem, but nope, made no difference. When I swapped the on/off switch for the electric assembly out of a 36v drill, it's reverse direction works great and powerfully, but it's standard rotation still won't turn.
The motor and brushes appeared fine, but still no go. What would cause this? Is it because one of the brushes have moved a tiny bit, throwing off the timing? Maybe I need to somehow bend the assembly that holds the brushes back a tiny bit? Any other ideas?
I am so tired of my mixed-gas weed eaters constantly breaking down and requiring gas, I just want this to work so I can cut down the weeds in my yard.