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Shear bolt holes are not lining up.

I am trying to replace my shear bolts on both sides of the auger. The right hand side went in with no problems. The left hand side is not lining up, I cannot even see the shear bolt hole in the rake. Any ideas?

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  • toriley Feb 09, 2009

    Thanks, the problem was locating the old sheared pin. It blends in with the rake and the grease! Anyway found it and punched it out. Thanks again.

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Look close to the middle of the auger. you should see small ( 1/4") holes where the shear pins were. Just line up the holes from shaft to Auger and put new Shear pins in there. Sometimes they look like Clevis pins and sometimes they look like a simple 1/4" bolt and nut

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Both augers turn when not trying to clean snow,as soon as I try to use it and snow gets to the augers,only one auger moves on my ariens 520 snowblower


It sounds like the auger always turning is the auger engagement handle/line/connections are not adjusted correctly. They/it is too tight causing the auger to engage before it should. It may be up at the handle where you loosen a jam nut, screw in or out a threaded shaft, and retighten the jam nut. (If you have ever adjusted a bicycle brake it is similar.) (I have a craftsman, made by MTD, and I think I saw MTD also list Ariens.) Or it could be an adjustment somewhere else (but I'm not sure where).

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25398197-u3i4ko1tk2s0xlbbi4fvvtzj-2-0.png
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The auger clutch control up at the handle looks like this:
25398197-u3i4ko1tk2s0xlbbi4fvvtzj-2-2.png From my manual
Auger Control
  • To check the adjustment of the auger control, push forward the left hand clutch grip until the rubber bumper is compressed. There should be slack in the clutch cable.
  • Release the clutch grip. The cable should be straight. Make certain you can depress the auger control grip against the left handle completely.
  • If adjustment is necessary, loosen the hex jam nut and thread the cable in (for less slack) or out (for more slack). Recheck adjustment. Tighten the jam nut when correct adjustment is reached.
Here's another view of that:
25398197-u3i4ko1tk2s0xlbbi4fvvtzj-2-5.png
I hope the above info helps you take care of both issues.

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1 Answer

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Get a replacement shear pin (DO NOT use a hardened bolt!) and put it through the holes when the auger holes are lined up with the axle holes.

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I'm assuming that you are speaking of a snow blower auger. It most likely has sheared a cotter pin or bolt that couples the auger to it's shaft. Turn the auger slowly looking for a small hole somewhere along the shaft. When found, hold the auger and turn the impeller by hand until the inside shaft lines up it's hole (there may be a sheared piece of metal in the shaft hole). Use a pin punch to drive out any remaining shear pin and fit a recommended new pin or bolt. Hope this helps!

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