sheer: thin, filmy. "Wow, hon, that's a sheer dress!"

shear: Break, usually rapidly and completely. "I caught a screw driver in
the auger, and lost the shear pin." Oh, it was a Klein screw driver that I
hit.

Christopher A. Young
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"RBM" wrote in message
...

Typically snow throwers have sheer pins on the moving parts to prevent
damage when something other than snow gets jammed . I would be looking
for the high speed impeller to be turning, and if not, look in your
manual for a sheer pin location