Noma Auger Thrown - Snowblower Forum : Snow Blower Forums
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post #1 of 17 Old 02-28-2015, 12:27 PM Thread Starter
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Noma Auger Thrown

Hi All, I am an old member (cannot remember my user name) and in need of advice. My GF used the snowblower to help me out and said it made an odd noise. When I look at the blower the Auger on one side is completely out of the metal frame and hitting on the walls of the snowblower. I know I am going to have to pull the belt and hope that the gear box is ok, but any tips on how to do this easily? Its a Noma 8/27. Thanks!
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post #2 of 17 Old 02-28-2015, 12:58 PM
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Sounds like the end of the auger popped out of the bearing? If so, you can just pop it back in and see if it works. Then for good measure, you might have to disassemble the housing and pull the auger, then bow the housing sides in to hold things better.

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post #3 of 17 Old 02-28-2015, 01:06 PM Thread Starter
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Yeah. It popped out of the bearing and doesn't seem to want to move now at all. It has really not been my week!
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post #4 of 17 Old 02-28-2015, 01:38 PM
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If that plastic bushing isn't broken it might be a better idea to unbolt it so you aren't bending the side of the auger housing out trying to get the shaft back into it. Just unbolt it, slip it on the auger and push the auger and bushing back into place and bolt it down.

Did she say anything about running over anything or getting something jammed in there when this started making noise ??

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post #5 of 17 Old 02-28-2015, 01:40 PM
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Can you or did you get it back into bearing? older ariens and I think most have a bolt and big washer that threads into outside of shaft so won't pop out. As far as not moving.. if still out it could be impellor binding. get it back in place first. Hoping didn't take the gears out of gear box. but if back in place and not moving.. and the belt area looks ok- then might be the gear box. Thinking it is binding though.
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post #6 of 17 Old 03-01-2015, 11:02 AM
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Had someone with an MTD do that after hitting a brick or something. I had to separate the machine in half and remove the whole gearbox from the blower section to get it back together. There was not enough room to slide it back in in place without severely bending the outside housing out.

When I had the blower assembly out of the housing I bent both sides inward to get a nice tight fit. Also, with the plastic bushing make sure they are tight on the shaft. If they are worn or cracked it would be a good idea to replace them so it doesn't happen again so easily.

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post #7 of 17 Old 03-01-2015, 11:13 AM
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That seems to be a high stress area and strikes me odd that any maker would use polymer (plastic) materials there. I'd prefer to see steel flange mount bearings or bronze bearing blocks to help assure that when you engage an obstacle with the auger only the shear pins/bolts would yield and stop motion.

I'm going look closer at my Ariens machines to see just what they've done. I just have this small photo that appears to show metal on the left there.


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post #8 of 17 Old 03-01-2015, 05:50 PM Thread Starter
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I took the front of the blower off and was able to remove the impeller and the bushing. The bushing was cracked and I used a plastic epoxy to try and fix it since I couldn't find anything that would fit it available at the local parts store. Going to try another one and see if they have something.
Reattached everything, but found the tension spring to the belt had been completely disconnected. Attempted to reattach but can't see the second attachment point, just the arm over the belt which is the easy one. Any one experience this? Once I do that I will take her out and see if gears are stripped or it works. Its a good day to try it as we already have 2 inches down and another 4-6 expected!
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post #9 of 17 Old 03-01-2015, 06:52 PM
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I can't help with the spring, but I wonder if a hose clamp over the bushing will help hold things in place until you can find a replacement. Possibly also put it back in turned a different way to the weak spot is towards the back and doesn't get as much pressure on it.

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post #10 of 17 Old 03-01-2015, 08:21 PM
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Where are you located? If you were near me I could probably make you a new part in an hour with the aluminum, brass, bronze or Delrin (acetal) that I stock in my Worcester MA machine shop.

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