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Well, I finally realized that key was not coming out so I ground it down flush to the shaft. I wonder if there were two key ways on my shaft for just such an issue? That allowed me finally to move ahead with the replacement. The replacement parts were much "beefier" including the 3 (versus 2)...

The keyway is in the shaft, which is keeping me from pulling the bushing off.

Yes, that resembles what I have. Thanks. I already have the replacement kit coming tomorrow which includes the bushing (hub). The most difficult aspect of the repair so far is getting that key out of the keyway. I am still working on that.

The sprocket will move.

The key is there and raised enough to be in the way. Yes, the sprocket has about a 1/4 inch of movement between pushed all the way back and abutting the key. Thank you for the link.

I may have to resort to that. Thanks.

Auto correct… “I have the new….”

Here are two current photo 180 degrees apart. As you can see, I haven’t been successful getting that key out. The two screws in the image are new longer screws that I am hoping will make pulling the hub easier….. whenever I get that key out. You could be correct. I haven’t heard the new...

This reply was meant for you.... I think you are correct about that. I have deduced that I have an old configuration with the two bolts that has been replaced with the new 3 bolt hub. I just called Messick's and they have a kit that replaces the sprocket, provides a 3 bolt hub, and 3 bolts. I...

I think you are correct about that. I have deduced that I have an old configuration with the two bolts that has been replaced with the new 3 bolt hub. I just called Messick's and they have a kit that replaces the sprocket, provides a 3 bolt hub, and 3 bolts. I appreciate the tip about how to...

I can't find a parts diagram that reflects the configuration of the hub that I have. The technique that you provided for tightening the hub over the sprocket (thank you) makes sense with three triangular oriented bolts, but I don't know if that is appropriate for 2 bolts.

Yes it is.

I saw a few posts somewhat related to this issue from two years ago, but they did not have enough information for my issue. Yesterday I was blowing 6" of fairly heavy snow and the blower was working perfectly. I stopped for 15 minutes (I may not have cleared all of the snow from the auger) and...