Old Ariens starts, moves, but doesn’t throw - Snowblower Forum : Snow Blower Forums
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post #1 of 11 Old 03-01-2019, 02:27 PM Thread Starter
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Old Ariens starts, moves, but doesn’t throw

I’m looking for some help with something that’s probably easy for whoever is reading this to figure out. I’ve identified what appears wrong but I’m not savvy enough to know how to fix it. The snowblower starts and moves, but when I engage the auger clutch, nothing happens. I took off the outer belt guard and took a picture. There is a gap between the jaw coupling and the thingamagig it needs to engage with to allow for the auger to spin. I appreciate any help you can provide!
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post #2 of 11 Old 03-01-2019, 02:29 PM Thread Starter
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Here are the pics. Thanks!
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post #3 of 11 Old 03-01-2019, 03:07 PM
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First check for broken shear pins.
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post #4 of 11 Old 03-01-2019, 03:32 PM
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Does the blower housing clutch hubs engage one another when you turn the pto lever , the shift fork brkt is kinda of obscured but that lever handle in the lower left corner of your picture is what engages you blower pto. even with it not running you should be able to engage this and see if the hubs mate together.
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post #5 of 11 Old 03-01-2019, 03:47 PM
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Garage
With the cover off and the engine off and the axle in neutral, the sno-throw lever - the lever on the attachment that turns circular, to engage you turn it clockwise. That should push the jaw coupling on the attachment out towards the jaw clutch on the tractor. These are the two "lovejoys" that couple together.

Now say the engine is running and in neutral. Idle it down to as low of throttle speed as possible. Turn the sno-throw lever clockwise and you should hear them "couple" and see the coupling and clutch mesh together. Then push the clutch lever down (this is next to the sno-throw lever). The attachment jaw coupling spins with the jaw clutch on the tractor - you should see these doing exactly that and the rakes should then be spinning.

If the rakes are not spinning, check each side of the bucket where the rake shaft mounts on the sides and see if the shaft is spinning. If the shaft is spinning but the rakes aren't, chances are either your shear pins are both shot or the helicon gear set inside the auger case is somehow fried.

A good sign the shear pins are broke is if the rakes will indeed spin but when you get to snow, they stop spinning but the impeller keeps on spinning by itself.

When the engine is shut off off and everything with driving the rakes is out (sno-throw lever pointing forward via turning counter clockwise, then the clutch lever is up or "out"), you should be able to turn the rakes in unison and the impeller will also spin. If the rakes spin independently...one or both shear pins are broke. If they spin in unison but the impeller is not turning with the rakes, chances are your auger gear case is the issue.


There's obviously more that might be wrong...but this is how you sort of narrow everything down.

1974 Ariens 922008/922003 "Frankenstein", my dad's 1st new snowblower
1971 Ariens 922002/922003 "The Badger", recent addition, ready for snow
1971 Ariens 922002/922003 "Juneau", finally ready for snow
1971 Ariens 910962/910995 "Bill", SOLD 3/7/2019
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post #6 of 11 Old 03-01-2019, 03:59 PM
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The augur dog clutch handle is clearly in the disengaged position in your photo, as others have noted. I actually think that it is *counter* clockwise to engage it - the kind of "T" shaped tabs on the handle get locked in by the main drive clutch linkage (the lever on the handlebars, or on the side, depending on year) holding it in position once power is applied. It's two staged to engage the blower on these old classics - the handle in your photo, and also the drive clutch (which tightens the belt).
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post #7 of 11 Old 03-01-2019, 05:17 PM
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Photo of Engaged Jaw Clutch in 10000 series. Make sure Splined Shaft is lubed to make Movement of Jaw Clutch Smooth.
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post #8 of 11 Old 03-02-2019, 07:14 AM Thread Starter
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First off, thanks so far for everyone’s input. I am unable to mate the jaw coupling and the jaw clutch together. When I turn the handle, there is only slight movement towards the coupling. Maybe lubricating could do the trick? I assume it isprobably more involved than that though.
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post #9 of 11 Old 03-02-2019, 07:55 AM
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Lube the splined shaft with pb blaster or wd 40, and use a Large Screwdriver or Prybar to get it moving. It will loosen up.
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post #10 of 11 Old 03-04-2019, 01:29 PM Thread Starter
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Good news / bad news. The WD40 did the trick. The jaw clutch loosened up and formed a nice union with the jaw coupling. I got through 15 inches and f snow this morning, so thanks for the tip!

Now the bad news. As soon as I finished the driveway, I went off-roading with the snowblower to clear a path from the back door around to the front of the house. It was very uneven footing and the snowblower was at an odd angle and the clutch handle is now stuck. I am unable to depress the handle at all. I’ve never looked underneath before, but nothing obvious seems out of place. I took a couple of pics in hopes someone has an idea.
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