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I'm not sure what to conclude or assume about whether and when a change in material or manufacturing occurred, or whether there was a faulty lot. I bought mine in 2014, so I was more satisfied that I had found a fixable problem rather than blaming anyone for anything. If it had happened in...

Toward the end of the epic North Shore winter of 2022/23 I started breaking fan pins one after the other, after I hear a "thunk" from up front. It was late in March, so I lived with snow for the rest of the spring, and I disassembled and rebuilt the entire blower, replacing some parts, thinking...

There is nothing wrong inside the gearbox. I regret opening it, or even taking if off the shaft. Do you know what it is sealed with? Gray silicone-like material. I should have inspected the main shaft bearing first. Images are below. It turns freely, but it has two dents in the housing. I...

It's a "locking collar," and it fastens on to the drive shaft with a Allen setscrew. Once removed, the shaft backs easy out of the bearing. It's a little strange, because the collar was behind the rear flange, and the parts diagram shows it right up against the bearing with the flange behind...

Finally getting around to this project. The gear oil is pretty dark and full of fine powdery metallic flecks, but nothing larger than a speck of dust, at least what exits the drain. I find one Youtube disassembling a BX2755, which is similar schematically to this one, and in that example, the...

My hands fit behind the fan. There is nothing back there. And the garage is heated. You can push the fan back about a centimeter when the bolt is sheared, it spins free as far back as it can go. It's fine for now. The loader is better for March snow most of the time, anyway.

I had the augers misoriented for a time, well before this occurred. They are correct now. And I wish I had seen @ken erickson 's post earlier. I have the blower off the tractor and the loader back on. I don't know when I will get time to open up the gearbox, but I will be sure to post back...

I don't think there is anything stuck behind the fan. It turns freely when the bolt is sheared. I'm more afraid it's a problem in the gearbox. Something broken or worn in there might still catch without a load then slip under load causing the thunk. I might just take the blower off and use...

It won't budge by hand.

I've been snowblowing with a BX2822 on a BX2380 for several years, and Saturday I broke the fan shear bolt for the first time on what looked like clean fluffy snow. Replaced it today, twice now. Purchased the bolts from the dealer. As the snow piles up a bit in front of the fan between the...