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Used my 79366 snowthrower twice and it broke...need advice
bizzo15 posted a topic in Implements and Attachments
So long story short I scored a two stage snowthrower for my 520xi in the off season and hooked it up to my tractor and finally got a chance to use it this past weekend after we got a storm that dumped about a foot of fresh now. First time out everything was going good and the snowthrower was moving snow like a beast, I did notice though when I got to the berm at the end of the road the blower would shake and vibrate pretty good when going through it. I thought it was just normal operation since the snow tends to be more compacted from the plow, I just made sure to go nice and slow when I got to the end of the driveway and was able to clear my driveway and the neighbors without any issues. Fast forward to the next day and I fired up the tractor to clean up the driveways as we got another couple inches over night. Was able to finish my driveway but halfway through the neighbors when clearing the end of the driveway the blower shook and the suddenly stopped. I shut it down and looked around and noticed the belt was broken, I didn't think too much of it as when I put the blower on the tractor the belt was showing some wear but when I saw how expensive the toro belts are I decided to run it as it looked like it would make it through another season no problem. Once I got it back in the garage I removed the belt and that's when I noticed that something didn't seem right, the spring loaded pulleys on the right side of the pulley box were hanging below the blower frame, I took the chain and belt cover off the blower and noticed there's damage to the main belt pulley on the blower as well. I pulled the pulley box off and noticed that there's groves worn into the metal from the pulley and what looks like some belt rub. Anybody have any clues on what caused the belt to fail? I'm including pictures to hopefully give some clues to those who have used these blowers extensively. I followed the manual while installing the blower but I'm wondering if maybe I don't have something assembled correctly or am missing some crucial part. I'd really hate to spend the money on a new belt only to have it blow because I didn't correct the actual issue. I will say all the bearings seem tight on the blower and there doesn't appear to be any play in the shafts. I look forward to any insight you guys can offer, thanks.