Impeller clearance mod 2 questions... - Snowblower Forum : Snow Blower Forums
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post #1 of 16 Old 02-05-2019, 06:33 PM Thread Starter
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Impeller clearance mod 2 questions...

I just finished up adding some mud flap rubber to the three impeller blades. I made them tight enough to rub a little. I can still move the impeller around by hand but it is noticeablely more difficult than before. Will it damage the machine to run it under load like this until the rubber wears down enough? I canít imagine that itís too much more load than a heavy wet snow but my concern is that itís preloaded with tension until those pieces wear down.

Secondly, will the additional velocity damage the plastic chute? I was told it may but since the snow is going pretty much straight up out of the chute I donít really see how. I could see it moving the little hinged tip of the chute that you can move back into the straight position if I had it at a 90 degree but even then I couldnít see it damaging anything but instead just moving it back to straight.

Any thoughts?

Thanks!

1999 MTD E662E 24Ē with 10HP Tecumseh Engine.
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post #2 of 16 Old 02-05-2019, 06:45 PM
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Snowslinger, I have done this mod on my Ariens 10HP and Craftsman 10HP with no problems to the chute. My Ariens is a metal chute and the Craftsman is a plastic chute and they handle it. I would recommend lubricating the impeller housing before trying it out, it will help with the break in period. Word of caution, watch wear you aim your chute.., you could take out a window. Best of Luck!

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Last edited by aldfam4; 02-05-2019 at 06:46 PM. Reason: spelling
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post #3 of 16 Old 02-05-2019, 07:15 PM
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I don't know how tight your impeller is. Only my opinion, I chose not to add a lubricant when running mine in. You *want* it to wear down the rubber, quickly.

Maybe start at moderate/low RPMs, engage the augers, and see if you smell a burning belt, or hear a belt squealing.

If you can turn it readily by hand, hopefully it will be ok.

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post #4 of 16 Old 02-05-2019, 07:30 PM Thread Starter
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Quote:
Originally Posted by RedOctobyr View Post
I don't know how tight your impeller is. Only my opinion, I chose not to add a lubricant when running mine in. You *want* it to wear down the rubber, quickly.

Maybe start at moderate/low RPMs, engage the augers, and see if you smell a burning belt, or hear a belt squealing.

If you can turn it readily by hand, hopefully it will be ok.


Thanks for the help! Is it okay to engage the impeller while throttled down though? I assume thatís what you meant by starting at low rpms


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post #5 of 16 Old 02-05-2019, 07:44 PM
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Quote:
Originally Posted by RedOctobyr View Post
I don't know how tight your impeller is. Only my opinion, I chose not to add a lubricant when running mine in. You *want* it to wear down the rubber, quickly.

Maybe start at moderate/low RPMs, engage the augers, and see if you smell a burning belt, or hear a belt squealing.

If you can turn it readily by hand, hopefully it will be ok.
RedOctobyr, I brought my modified paddles to just touch the impeller housing, essentially their is nothing to wear down really. Lubrication - reduce any potential friction. JMTC

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post #6 of 16 Old 02-05-2019, 08:04 PM
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Originally Posted by Snowslinger View Post
Thanks for the help! Is it okay to engage the impeller while throttled down though? I assume thatís what you meant by starting at low rpms
Yes, that's what I meant. Like aldfam4, I also set mine up to just barely be touching the housing, so there wasn't much added friction in the first place.

If you want to add a lubricant that intentionally won't stay around forever (unlike oil/silicone), you could spray some water in there, or rubbing alcohol. Both will lubricate, making it easier to spin at the very beginning, but will go away fairly quickly. You could always add a second round of lubricant if you needed to, but I doubt it will be necessary.

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post #7 of 16 Old 02-05-2019, 08:37 PM Thread Starter
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Okay so it seems like I should be okay. What about starting with low rpms? Is it okay to engage the clutch for the impeller with the throttle turned down?

Thanks all

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post #8 of 16 Old 02-05-2019, 08:38 PM
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No lube it does not help break in it delays it
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post #9 of 16 Old 02-05-2019, 08:42 PM
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Is it okay to engage the clutch for the impeller with the throttle turned down?
Yes.

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post #10 of 16 Old 02-05-2019, 08:44 PM Thread Starter
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No lube it does not help break in it delays it
I think Iíll use a little water to get it started spinning and then let it spin for a few minutes until the rubber wears down. I would think the rubber would wear down pretty quick correct?

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