Impeller shaft - Snowblower Forum : Snow Blower Forums
 
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post #1 of 6 Old 01-10-2015, 12:27 PM Thread Starter
jkr
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Impeller shaft

I got a free Husky/MTD 30" 9HP snow blower with a broken reducer gear. I have it replaced, but now I can't get the impeller shaft through the bushing in the housing. I've tried putting a 2x4 on the new reducer gear and hitting it with a maul, but no luck. I can't take the bushing out because the bolts will be covered by the impeller when it's all set in place.

If I can't get this in, do you think someone would buy the remaining part of the blower? It runs fine, but I can't take up space in the garage anymore. Too much snow!
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post #2 of 6 Old 01-10-2015, 02:22 PM
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Have you try polishing down the shaft and inner race of the bushing, sometimes dirt and oxidation expand the surfaces?
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post #3 of 6 Old 01-10-2015, 03:05 PM
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Anytime I mount anything with a friction or interference fit I try to achieve a temperature difference between the two items. So, heat one and cool the other whenever possible.
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post #4 of 6 Old 01-10-2015, 03:26 PM
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Quote:
Originally Posted by Zavie View Post
Anytime I mount anything with a friction or interference fit I try to achieve a temperature difference between the two items. So, heat one and cool the other whenever possible.
+1; heat the bushing & cool the shaft.


If there were set screws...they often mar the shaft; you may need to sand/file-down the marring.

good luck!


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post #5 of 6 Old 01-10-2015, 03:30 PM Thread Starter
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Thanks for the quick replies everyone. I will try to clean/grind the shaft and bushing, then heat it up. Fingers crossed (after I do the grinding).
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post #6 of 6 Old 01-10-2015, 09:33 PM
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Quote:
Originally Posted by jkr View Post
Thanks for the quick replies everyone. I will try to clean/grind the shaft and bushing, then heat it up. Fingers crossed (after I do the grinding).
Don't grind. Use a wire brush, steel wool and or some emery cloth. You don't want to deform the shape of the shaft.




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