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Had an interesting issue with the snowblower this weekend. Was moving back some snow piles, and heard a horrible grinding noise from the front. Though to myself, Ouch! I know what that is, and shut down the PTO.
Drove back to the garage, unhooked, and everything looked fine. I did notice the auger shear bolt was gone, so I replaced it. Hooked everything back up, and same noise.
Removed the attachment again, and went through the snowblower service manual to see what else could be at fault. I noticed the PTO shaft where it enters the snowblower was loose. Took a closer look, and all 4 bolts that position the "gear carriage" (see attachment) were missing!
I checked the top two with a spare bolt, and they're not sheared off, just gone. My best guess is they vibrated free, and the snowblower ate one or more, taking out the auger shear pin. So you might want to check your gear carriage, adjust as necessary, and tighten.
Drove back to the garage, unhooked, and everything looked fine. I did notice the auger shear bolt was gone, so I replaced it. Hooked everything back up, and same noise.
Removed the attachment again, and went through the snowblower service manual to see what else could be at fault. I noticed the PTO shaft where it enters the snowblower was loose. Took a closer look, and all 4 bolts that position the "gear carriage" (see attachment) were missing!
I checked the top two with a spare bolt, and they're not sheared off, just gone. My best guess is they vibrated free, and the snowblower ate one or more, taking out the auger shear pin. So you might want to check your gear carriage, adjust as necessary, and tighten.
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