I've asked a couple questions recently about rebuilding the mower
motors, and am trying to figure out how badly mine need it.
I currently have two of the larger ones and one of the smaller ones on
the tractor - the smaller one is a temporary replacement for a larger
one, since the mounting ring on that larger one broke into many pieces.
The small one seems to have died this weekend though - it doesn't do
anything when powering on the PTO. Nada.
The two larger ones work (as does the third large one that I'll
hopefully put back on soon with a replacement mounting ring). But, I
doubt they've ever been rebuilt. When I spin the blades by hand, there
is some "crunching" (not sure if that's the best description - it's
intermittent like something is occasionally grinding). If I try to give
them a spin and let go, they immediately come to a stop once I let go.
Is that indicative of lots of physical resistance, such as from bad
bearings? Hopefully not a bent armature that would need to be rewound?
It seems like that could be draining my batteries faster than if the
motors were in good shape.
Thanks,
Mike
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Michael S. Briggs, PhD
UNH Physics Department
(603) 862-2828
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