What is the purpose of shear bolts?
Shear bolts serve two purposes:
One is to fasten the auger to the auger gearbox shafts.
The other purpose is to prevent damage to the auger and/or gearbox in the event the auger contacts a solid object during snow removal.
These shear bolts are classified as a grade 2 bolt, which are hard enough to maintain auger rotation, yet soft enough to shear if the auger is prevented from rotating.
Replacement bolts are available through a Murray Service Center.
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