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Ariens snow blower. Cannot get fan hub off the worm gear shaft.

I have every thing apart , except I cannot get the fan hub off the worm gear shaft. The two roll pins are out. It seems the shaft and hub are rusted from years of service. I have tried heating, soaking and hammering the assembly but nothing will move.

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  • largevan Feb 02, 2009

    I finally got it out by putting it in a shop press

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SOURCE: on my ariens snow-blower: Drive shaft spins but....

check the sheare pins

Posted on Dec 21, 2009


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Auger replacement


Here is a manual for your snowblower. Yes, It's the same. http://download.sears.com/own/spin_prod_674132601.pdf . Go to page 30, it a parts diagram of the blower and housing.

You will need to remove the pulley #66 from the back of the unit, the bearing retainer #1, and the auger bearing bolts #18. The whole unit will then slide out of the housing. You can then remove the augers and then take the worm gear apart. That will get you to the auger shaft.

Mar 24, 2014 | Agri-Fab Agri - Fab Snow Blower - 42"

1 Answer

Auger does not engage on Ariens Model 924121 sno- Thro


first check shear pins in the auger ( try to turn big auger by hand, engine off)
then if they are good then try to turn impeller by hand, engine off
youll need to turn it a few times before the larger ones turn, but thats what you want
if they dont turn then you have sheared the gear box gears
be sure belts are good tooo

Dec 15, 2013 | Ariens Snow Blower. Sno-Thro Deluxe Drift...

1 Answer

Auger shaft jamed


Try removing the belt and turning it by hand. If that doesn't work, you may have blown something into bits inside of the gear case.

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1 Answer

I have an Ariens 926LE snowblower. The blower spins but the auger spins slowly. It barely throws snow. Some times the auger stops spinning. Shear pins are fine.


Hi, The blower spins at full speed? If it does the belt, pulley, and shaft are good. Look at the shaft from the fan to the gear box while it's running and that shaft should be turning at the speed of the fan.
If the blower spins at full speed and the auger doesn't the most likely problem is the worm gear transmission from the blower shaft to the auger shaft.
A good way to visually inspect this is: With the machine turned off and the spark plug wire unhooked go to the front and try to rotate the auger by hand. If the gear box is good you will only be able to move the auger less than an inch. If the box is bad you will be able to move the auger a lot farther. While you are there recheck your shear pins.
You can also remove the blower drive belt and have someone turn the pulley by hand while you watch the auger. Put resistance on the auger with your gloved hand. If the box is good the auger will move smoothly in you hand. If it is bad, it will ****, move roughly, or stop.
While the other person is turning the pulley and you have some resistance on the auger look closely at the shaft running from the gearbox back to the blower. On some models there is a connecting sleeve and the roll pin that connects the sleeve to the shaft and gearbox will break.
If the gearbox is bad, it will have to be replaced as a complete unit.
Was this helpful? If you have any other questions, please ask.

Jan 10, 2011 | Garden

1 Answer

Unable to remove hub 02438900 to replace bearing on ariens 1128 snow blower. This is the pully/hub that controls the auger.


I also had this problem. I actually pulled the ears off of the hub using 2 different pullers. I ended up heating the hub and hiting the shaft through the hub with a small sledge. It took 45 minutes. Then I tried to remove the impeller from the shaft. Not a chance! Both pins out but it would not budge. This is a customers machine and it needed a gearbox. I'm going to end up putting an impeller on it as I can't get it off the old shaft.

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1 Answer

Only one blade turns automatically on Ariens snow blower.


There is a bolt that goes through the center of the shaft that shears off if you hit something. You will need to line up the holes of the internal shaft with the auger tube and install a new bolt.

Feb 09, 2010 | Ariens 34 In. Zoom Series Riding Mower

2 Answers

Ariens snowblower auger wont turn


Just finished repairing my ariens, 6 years old with aluminum gear box. Same problem encountered. The problem turns out to be the BRONZE gear driven by the worm shaft. Shear bolts did not shear and bronze gear broke about 5-6 teeth. This is why you can move the auger a half turn or so, there are no gears in one area of the gear and as the gear turns to engage the worm drive it will stop. The fix: the cast iron replacement from ariens! About $200 including shipping, got mine from Jack's Small Engine (MD). Fairly easy repair if you are mechanically inclined. Buy yourself a set of roll pin extractors ($20 from Sears), new roll pins, new woodruff key for shaft. You will also probably have to press 2nd stage impeller from shaft with hydraulic press & heat (took mine to my local auto garage). What stinks is ariens seemed to have admitted the design problem with the aluminum gearbox, yet won't help with repair cost! Anyways, I learned a lot about my snowblower for future repair (belt replacement)!

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1 Answer

One side of my ARIENS ST928 SNOW BLOWER doesn't work


most likely you have a broken shear pin. Look on the side that works, there should be a bolt or pin through it. The side that is not working is probably broke off. Find the hole in the auger and line it up with the inner shaft and replace with proper shear pin/bolt. Shear bolts can be obtained from most outdoor power equipment shops. I do not suggest replacing with standard bolt as it can cause damage to you gear box it auger gets jammed.

Dec 18, 2008 | Ariens Garden

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