Posted by Herb Eneva on May 31, 2009, 2:56 pm
I was cutting the grass with my murray riding mower with the B&S 15
hp engine and doing real good. I was in third gear when I hit an old
tree stump hard . The mower stopped and now will not move and the blades
will not turn. The engine runs fine but the pulleys for the motion belt
and the blade belt do not turn. Could this be a
broken shear pin? If so how do I fix it? What else could it be?
Thanks for any advice
Posted by Dave on May 31, 2009, 3:12 pm
> I was cutting the grass with my murray riding mower with the B&S 15
> hp engine and doing real good. I was in third gear when I hit an old
> tree stump hard . The mower stopped and now will not move and the blades
> will not turn. The engine runs fine but the pulleys for the motion belt
> and the blade belt do not turn. Could this be a
> broken shear pin?
Very likely.
> If so how do I fix it?
You've got to find where the shear pin was, and replace it with a new one.
> What else could it be?
Sometimes pulleys are bolted to a driveshaft. It's possible you could have
broken one of those bolts so that the pulley is spinning freely now. -Dave
> Thanks for any advice
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> hp engine and doing real good. I was in third gear when I hit an old
> tree stump hard . The mower stopped and now will not move and the blades
> will not turn. The engine runs fine but the pulleys for the motion belt
> and the blade belt do not turn. Could this be a
> broken shear pin?