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Keating_nick


Joined: Nov 2, 2010
Points: 2

Removing Auger from ariens st824
Original Message   Nov 2, 2010 11:14 pm
I have a older (not sure what year mid to late 80's) ariens st824 dual stage blower, and I was given it to me for free with pretty much nothing wrong with it just needed some tlc, so I stripped it down and sanded it down so the metal and removed as much perosity and rust as I could it, the primed and painted it and what not, well I never removed the auger when I did that, but when I got it all back together, I was running it and making sure everything was working, well when its in gear It lurches forward and then has trouble going further, well Im pretty much positive that, thta is the friction wheel thats gonna need to be replaced its pretty wore down. But then I noticed that the auger will like grab and spin then give out and then grab again and spin, Which brings me to the conclusion that there is a possible tooth broke in the auger gear box, So my question is I have the little triangle peice off the back of the shaft, so now from there How do I remove the whole auger assembly, I have to remove the 3 screwes on on eachside of the blower I would suppose, and then what do I do from there, Advice is greatly appriciated, thanks.
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hirschallan


If it aint broke don't fix it !!


Location: Northern Hills of NY
Joined: Aug 25, 2005
Points: 309

Re: Removing Auger from ariens st824
Reply #1   Nov 2, 2010 11:26 pm
Hi, If you see the friction disk worn then you will have to change it. About the auger you need to tell us a bit more if thats when clutch is engaged or what.With motor off check if any of the shear pins are broken.If auger spins on shaft freely you have a sheared pin.If it doesn't move at that point pins are good.If what you say about the auger grabbing and stop is happening without the clutch engaged you have some sort of belt issue. Possibly only an adjustment.
This message was modified Nov 2, 2010 by hirschallan


Keating_nick


Joined: Nov 2, 2010
Points: 2

Re: Removing Auger from ariens st824
Reply #2   Nov 2, 2010 11:51 pm
Yes, its only doing it when The clutch is engaged, No the shears pins are not broken I already checked then and have taken them out, they were fine, Its just the way its I acting makes it seem like there is a possbile tooth broken on one of the gears, which would be causing the grabbing and letting loose action.
Shryp


Location: Cleveland, OH
Joined: Jul 26, 2010
Points: 509

Re: Removing Auger from ariens st824
Reply #3   Nov 3, 2010 4:32 am
On my 70s machines, after you pull the 3 nuts on each site out there is an aluminum bracket with a bronze bushing that pops out.  After you pull both sides out the whole gearcase and impeller should pull right out of the bucket.

You said you already had the pulley off, that is usually the hardest part.  You might need to sand the shaft where the pulley was a bit so it slips off the bearing easier.  You could also remove the bracket holding the bearing in and just knock that out and replace it too.
trouts2




Location: Marlboro MA
Joined: Dec 8, 2007
Points: 1273

Re: Removing Auger from ariens st824
Reply #4   Nov 3, 2010 7:57 am
   With both the drive and augers slipping a possibility although very remote could be a sheared drive pulley key that catches now and then.

   For the drive: flip it on it's bucket, remove the bottom plate, tape down the drive clutch and try turning the wheels by hand and see what's happening in there.  Try lifting up on the hex shaft or move the drive plate with a big screwdriver to see what's loose.  I have seen friction disk rubber that had uneven wear like an egg. 

   For the augers: pull the sparkplug and stick your hand in through the chute and move the impeller by hand.  Hold onto the augers at the same time so they have resistance and keep turning the impeller to see if you get a skip.  You can put a 3 foot stick through the augers to ground to hold them fixed and turn the impeller.  If you have a worn worm it will slide over the gear teeth which could be worn also. 

    If you only have a worn or broken auger gearbox gear and the worm is ok I know a guy who has a few.  The factory recommendation is not to put in a gear because they are matched i.e. worm to gear.  With machined parts I find that hard to understand and don't know what the issue is.  Years ago you could buy individual part numbers so they were probably machined the same.  They later changed to only selling assemblies.  Those could have been different i.e. different worm angle but I'm not sure about that.  I have swapped good gears for worn ones in MTD, Ariens and Toro which have worked for years. 

    Ariens does not offer single gears for the old aluminum gearboxes which yours probably is.  They sell only the assembly for around $200 which is a cast iron replacement. 

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