Auger belt vibration and broken mystery spring - Snowblower Forum : Snow Blower Forums
 
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post #1 of 10 Old 02-22-2020, 04:45 PM Thread Starter
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Question Auger belt vibration and broken mystery spring

I have a Yard Machines 30" snowblower purchased new 2 years ago (2018). Its been working fine until the last few snowstorms when I began to notice some play in the auger control cable connecting the auger hand lever to the auger engagement wheel inside the machine. This loose cable issue seems to be correspond to a noticeable 'banging' noise whenever I depressed the auger lever on the handlebar. Additionally I was seeing that auger continues to spin even when the handle is not engaged.

At first I assumed the cable had been stretched and needed to be replaced (the tension adjustment had already been maxed out). I ordered a new one and installed it. While the cable is a bit more taunt now, the banging continues whenever I press down on the auger lever. However this time because I had the flywheel cover off (to replace the cable) I can now see that there is a noticeable vibration in the belt when the auger is engaged.

So I investigated further and separated the auger section from the rest of the snowblower. When looked inside the space at the bottom of the snowblower chassis I could see a loose spring sitting there. One end was fine and still had its 'hook' but the other end had been broken and its hook was gone. I've included some pictures to better explain what the spring looks like and where it was found. Question is: what does this spring attach to? And could the fact its broken be the cause of the vibration I'm now seeing? Any suggestions are appreciated.

Thanks
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post #2 of 10 Old 02-22-2020, 06:09 PM
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Been a long time since I have been in one and they all are a bit different, so this is just a general take.


Its a tension spring of course, if you look to the left you see another one and its (call it the far end) is hooking to the housing.

Clearly the one in hand is intended to be at roughly the angle you have it roughly, so you look for a two hole setup or tab like the other one has.

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Last edited by RC20; 02-22-2020 at 06:17 PM.
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post #3 of 10 Old 02-23-2020, 03:11 AM
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If the auger is still spinning then check to see if there's a brake that's not working while you're in there. It is something that presses against the bottom pulley when you release the handle. Spring might be to that or to pull the engagement lever away to release belt tension.


Take a picture of the blower pulley/bucket end, spring probably goes on that side.
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post #4 of 10 Old 02-23-2020, 05:52 AM
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post #5 of 10 Old 02-23-2020, 06:43 AM
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welcome to snow blower forums gatmando

help us a little more by supplying the model number off the machine from there many of us can help dig up the shop manual for more help
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post #6 of 10 Old 02-23-2020, 08:26 AM
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post #7 of 10 Old 02-23-2020, 12:50 PM
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since you have the bucket off , inspect/replace impeller bearing and belt if needed.

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post #8 of 10 Old 02-23-2020, 12:55 PM Thread Starter
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Quote:
Originally Posted by RC20 View Post
Been a long time since I have been in one and they all are a bit different, so this is just a general take.


Its a tension spring of course, if you look to the left you see another one and its (call it the far end) is hooking to the housing.

Clearly the one in hand is intended to be at roughly the angle you have it roughly, so you look for a two hole setup or tab like the other one has.
That was my main focus when I found the sprint - it seemed like it might belong on the opposite side of the spring that's still in place in the photo. But while the in-place spring on the left had obvious holes for hooking the spring there was no equivalent on the other side (as far as I could see).
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post #9 of 10 Old 02-23-2020, 12:57 PM Thread Starter
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Originally Posted by penna stogey View Post
Throwing out the welcome mat for your first post...Greetings from Gettysburg
Thanks for the welcome!
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post #10 of 10 Old 02-23-2020, 01:02 PM Thread Starter
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Quote:
Originally Posted by oneboltshort View Post
Ah! I didn't even think to look at the auger/impeller side when I had the snowblower separated. If that spring is part of the auger-engagement system that would certainly explain some of the issues. I'll have a look and reply when I've had a chance to look (might be a few days due to work).
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