910995 snow blower auger not rotating - Snowblower Forum : Snow Blower Forums
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post #1 of 16 Old 01-25-2020, 08:35 PM Thread Starter
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910995 snow blower auger not rotating

Here is what happened. About a week ago I was clearing some snow and had a brick go into the auger. The machine shut down instantly. I replaced the shear bolts which both broke and everything seemed fine after that. I cleared quite a bit of snow this week with no issues. Today I went to clear some more snow and the machine didn't seem to be operating correctly. Then I saw that while the impeller shaft and impeller were rotating the auger was not moving. The shear bolts are intact. I can turn the augers by hand with the machine off about a half turn and something stops them from going any further. It sounds like there is a noise in the gear box when I turn the auger by hand. I don't know much about working on these machines but I believe with the right directions I can do it. Am I right to assume this could be an issue inside the gear box? Does anyone know where I can find instructions on how to tear down the machine to the gear box and troubleshoot this issue? Are there even parts available for this old of a machine and if so where can I get them? Any help would be appreciated as this is my only snow removal tool (besides a shovel) and more snow is on the way.
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post #2 of 16 Old 01-25-2020, 08:50 PM
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The Gearboxes on those are Pretty Rugged. Hopefully the Gear is OK. There is a 5/8 Roll Pin that holds the Helical Gear to the Auger Shaft. You'll have to get in there to see. Remove 6- 7/16 nuts on the sides of the auger, and then the 2- 3/4 Bolts. You can then Pull the Auger assembly out of the housing. Notice on the Gearbox 5 or 6 Bolts that hold the side cover on. Remove the Rake on that side, and then remove the Gearbox cover so you can see what's going on inside. You will Probably find the remnants of the Broken Roll pin. You can punch out anything that might be left in the gear going through the Plug holes in the gearbox with a punch. Roll pins are available at the hardware store, but you'll have to cut it to size. (1 1/2" IIRC) GL

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post #3 of 16 Old 01-25-2020, 09:15 PM Thread Starter
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Quote:
Originally Posted by Jackmels View Post
The Gearboxes on those are Pretty Rugged. Hopefully the Gear is OK. There is a 5/8 Roll Pin that holds the Helical Gear to the Auger Shaft. You'll have to get in there to see. Remove 6- 7/16 nuts on the sides of the auger, and then the 2- 3/4 Bolts. You can then Pull the Auger assembly out of the housing. Notice on the Gearbox 5 or 6 Bolts that hold the side cover on. Remove the Rake on that side, and then remove the Gearbox cover so you can see what's going on inside. You will Probably find the remnants of the Broken Roll pin. You can punch out anything that might be left in the gear going through the Plug holes in the gearbox with a punch. Roll pins are available at the hardware store, but you'll have to cut it to size. (1 1/2" IIRC) GL
So maybe it's possible the roll pin was damaged when I hit the brick but held together good enough for the machine to function until today? That makes sense because the snow was heavier and slushy today which may have put enough extra load on it to make it go completely. Gonna go out to the garage now and take a look and see if I can find the bolts you are talking about.
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post #4 of 16 Old 01-25-2020, 09:27 PM Thread Starter
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So the 3 smaller bolts and the larger center bolt are the ones you are referring to? Then the auger assembly comes out of the housing and I remove the one side of the auger blocking the gearbox cover?
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post #5 of 16 Old 01-25-2020, 09:56 PM Thread Starter
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I got all those bolts off and was able to move the auger assembly a little but it seems like something else is holding it in.
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post #6 of 16 Old 01-25-2020, 09:58 PM Thread Starter
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Disregard the last comment. It was stuck on some ice and a little wiggling broke it free.
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post #7 of 16 Old 01-26-2020, 01:48 PM Thread Starter
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Quote:
Originally Posted by Jackmels View Post
The Gearboxes on those are Pretty Rugged. Hopefully the Gear is OK. There is a 5/8 Roll Pin that holds the Helical Gear to the Auger Shaft. You'll have to get in there to see. Remove 6- 7/16 nuts on the sides of the auger, and then the 2- 3/4 Bolts. You can then Pull the Auger assembly out of the housing. Notice on the Gearbox 5 or 6 Bolts that hold the side cover on. Remove the Rake on that side, and then remove the Gearbox cover so you can see what's going on inside. You will Probably find the remnants of the Broken Roll pin. You can punch out anything that might be left in the gear going through the Plug holes in the gearbox with a punch. Roll pins are available at the hardware store, but you'll have to cut it to size. (1 1/2" IIRC) GL
Well I got the assembly disassembled down to the gear box and it doesn't look good. First thing I noticed was no oil and metal shavings everywhere. Looks like the larger gears teeth are stripped pretty bad. So I guess the question now is where can I get a replacement gear or can I get a replacement gear and is it gonna be cost prohibitive? I have one other option. My friend has the same exact snowblower with a bad engine that he offered to sell me for parts. Not sure how much he wants for it. What do you think I should do here?
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post #8 of 16 Old 01-26-2020, 03:11 PM Thread Starter
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I got the gear out. As you can see from the pictures the teeth are almost completely gone on one side. Looks like the impeller gear is ok though. Anyone know where I can get this part or what the part number is?
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post #9 of 16 Old 01-26-2020, 04:51 PM
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a parts blower with this gearbox can be had for free to $25...no biggie....I would buy a parts blower and just swap bucket assemblys
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post #10 of 16 Old 01-26-2020, 04:57 PM
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Agreed with Cran about getting a Parts Machine. Post Your Location; Maybe a Member Nearby can Help.

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