22" Compact Auger Issues - Snowblower Forum : Snow Blower Forums
 
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post #1 of 6 Old 03-13-2017, 03:03 PM Thread Starter
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22" Compact Auger Issues

I have a 22" ST22LE Model 920013. In December while clearing snow, I started clearing a pile of snow that turned out to be a snow covered leaf pile. The leaves jammed between the auger and housing stopping the auger dead. I thought the shear bolts had given way, but after unjamming the leaves the bolts were intact and the auger turned normally when engaged.

Cut to today. I was out clearing about 6 inches of snow; had done the sidewalk up and down the whole block with no issues, when suddenly I was pushing snow instead of throwing it. I disengaged and stepped around to check for something jamming the auger or impeller. Nothing was obvious, so I tried reengaging the auger. Auger and impeller didn't move, but I got a grinding sound when the engagement handle was pushed down. I released and reengaged the auger/impeller handle three time to try to isolate where the grinding sound was coming from and on the third try the auger and impeller reengaged with no grinding sound but the auger was obviously moving slower than normal and the impeller seemed slower as well. Letting off the handle then led to the same sequence with the auger and impeller engaging after several tries with lots of grinding in between.

Normally I would think a slipping or broken belt, but the grinding sound has me concerned. Has anybody had an issue like this?
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post #2 of 6 Old 03-13-2017, 06:37 PM
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If the auger, and impeller, are both running more slowly than normal, that seems like it must be a belt.

Or maybe something at the hub for the auger pulley, where it mounts to the auger shaft. That might more easily explain grinding.

My Ariens (different model) has setscrews holding the pulley hub to the shaft, and a woodruff key to make them both turn together. If something in that area came loose or broke, it could explain the impeller also turning more slowly, and a grinding noise.
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post #3 of 6 Old 03-14-2017, 12:11 AM Thread Starter
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Thanks Red, that gives me an idea of where to start looking.
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post #4 of 6 Old 03-14-2017, 12:36 AM
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Grinding noises after jamming the auger assembly makes me think auger gear box, or the auger pulley might be spinning on its shaft. Id lean toward the latter based on your description. Either way, something gave up

May want to simply jam the auger with a piece of wood and lightly apply the auger lever. You or someone else can see what spins and what doesnt.

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post #5 of 6 Old 03-14-2017, 02:06 AM Thread Starter
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Quote:
Originally Posted by drmerdp View Post
Grinding noises after jamming the auger assembly makes me think auger gear box, or the auger pulley might be spinning on its shaft. Id lean toward the latter based on your description. Either way, something gave up

May want to simply jam the auger with a piece of wood and lightly apply the auger lever. You or someone else can see what spins and what doesnt.
Good idea, that would at least help me isolate whether it's the auger gear box or something farther back.
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post #6 of 6 Old 03-14-2017, 08:23 AM
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Quote:
Originally Posted by Alakar View Post
Auger and impeller didn't move, but I got a grinding sound when the engagement handle was pushed down.... on the third try the auger and impeller reengaged with no grinding sound but the auger was obviously moving slower than normal and the impeller seemed slower as well.
Just be sure of your symptoms. The impeller not turning, or turning more slowly, should be unrelated to an auger gearbox problem.

They could result from the auger pulley spinning on the shaft, however.

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