Quote Originally Posted by CampbellCarl View Post
....."When its moving it snaps".....Are you saying that you can hear a snapping noise while it's operating? I'm thinking a binding or alignment issue is causing the hook then bolts to give up. Are there any kind of alignment adjustments on the gear box (or whatever drives the hook)?
Zero alignment. The only potential for slop was in the bearings on the shaft. Plus, there isn't anything that puts pressure on the hook outside of dough.

Quote Originally Posted by WESTERNAERO View Post
Are there drive dogs or pins from the shaft to the auger? Or are the bolts acting as the torsional(twisting) load?
The bolts are the only acting device against a load. Unless the bowl goes through a catastrophic failure (which is has) there's no real "load" outside of a 60% moisture content of dough.

Quote Originally Posted by Hotboat View Post
Lighten the load on the poor old girl
Obviously over-loading can cause this, over time....but I am running at or under manufacturers specs for load handling. These bolts are shearing clean like its getting jarred and not worn. But I don't think purposely tossing a forklift into the bowl would shear the bolts....the belts would give up first. The bolts have snapped in the past but they looked worn....threads flattened..slightly backed out. That was a one time event 4 years ago...this is different. This keeps happening.


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