How much play should there be in the auger pulley? - Snowblower Forum : Snow Blower Forums
 
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post #1 of 5 Old 12-05-2019, 12:59 PM Thread Starter
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How much play should there be in the auger pulley?

I recently replaced the auger belt on my Husq ST230P snow thrower. This got the auger spinning again however, when I hit snow, the whole machine started vibrating and eventually the auger stopped again. I took it apart again and checked it out and I noticed the auger pulley moves up and down about 3/4 an inch when you grab it. You can also reach around and grab the auger shaft or the impeller on the auger side of the machine and move the pulley up and down this way too. I put the belt back on and moved some more snow, the vibration was there and eventually the belt fell off the pulley and the auger stopped spinning again. The belt seems to fit fine when stationary, but when I hit snow or move the shaft the belt becomes real lose and this is causing the belt to come off while in operation.

I didn't notice it before, but should the auger pulley be able to move that much? I mean, you can move it only straight up and down, not side to side, and when you do this, the shaft and impeller move with it. What am I missing?
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post #2 of 5 Old 12-05-2019, 01:29 PM
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You need to take the machine apart and find out what is going on, 3/4" is way way too much movement. You probably need a new bearing but you might need bearing retainers also. There should only be a very small amount of movement of the auger pulley, so small that you can feel it but not really see it.

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post #3 of 5 Old 12-05-2019, 01:34 PM
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auger/impeller shaft bearing is shot

Bought a dead but now fixed 1980ish craftsman II 10/28....ITS ONE HEAVY BEAST

MY VIDS ON FIXIN HER UP

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post #4 of 5 Old 12-05-2019, 01:39 PM
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Looked at the IPL and looks like it's probably the ball bearing, 532 19 87-91 (1501389) BALL BEARING. Take it all apart and see what you find. Definitely do not run the machine any more or you could end up doing additional damage to the shaft itself.

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post #5 of 5 Old 12-05-2019, 02:34 PM
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Definitely surgery time . take your time and be careful safety first.
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