860 Auger woes - Snowblower Forum : Snow Blower Forums
 
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post #1 of 5 Old 04-03-2018, 05:37 PM Thread Starter
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860 Auger woes

Acquired a 860, not sure if it's an "S" or "SE" a couple years ago. Performed most needed repairs (I thought), ran fine when I used it until this year. Drive pulley behind impeller kept coming loose, put back in position and tightened (torqued) set screws each time and it only got worse. Tore it down the other day and found the keyway shot in the shaft. Ordered new shaft and keys, now the fun part. Augers are "frozen" on both left and right sides to the auger shaft, manual I have says to remove "end cap" and locking clip, then turn auger to push out bearing, seal and worm gear. Mine has a split case, no end cap. Was going to heat and drive augers off, but am nervous about damaging case. No way to put it in a press "fully assembled", I have to get the augers off and they aren't available, but auger shaft is available. Should I just cut the shaft at the case on either or both sides of the case and then try to press them out of the augers and replace shaft, or is there a good chance that they will "drive free" of the shaft without damaging the case after heating?
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post #2 of 5 Old 04-03-2018, 06:16 PM
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to SBF camaro78z

You can soak them from each end and the shear pin hole with PB Blaster or a good penetrant and mildly heat. I heat some then add the penetrating oil as the cooling effect will actually pull in the oil. Rapping on the augers shaft with a hammer might help break the rust up too. Just don't get carried away with the hammer. Get two big pipe wrenches and try to break the augers free.

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post #3 of 5 Old 04-04-2018, 03:36 PM
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Assuming you're referring to a hydraulic presses earlier, you sure can put the auger rakes in a press if you get a little creative. The frame is typically 2 pieces of channel with cross braces welded between them. Just get a couple of heavy pieces of channel, and use that clamped to the frame instead of the welded up affair. I've done that many times.


Assuming you can get the rakes out of the housing: arrange it with the auger shaft vertical, work in some penetrant and use a mapp torch on the center of the auger rakes to heat them up. Hit it with penetrant after heating as it will soak in at times after a little heat. Rap the center of the rakes with a hammer to shock them a little and with luck they'll crack loose some. Put in the press and put some pressure on them. I've rapped it with a hammer in the press too. This has taken multiple days for me to get them loose, but they ultimately came loose. Once off, clean up all the rust you can and put a lot of antiseize on the shaft prior to reassembly.


I do have a pdf that describes what I've done in the past if you're interested. Send me a pm if interested.


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post #4 of 5 Old 04-04-2018, 08:17 PM
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Your rakes are probably on a stubby auger shaft and will be easier to remove than if on a normal full length shaft. If worse comes to worst, I'm pretty sure I have a few sets of used augers available.
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post #5 of 5 Old 06-10-2018, 03:34 PM Thread Starter
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Sidegrinder,
Managed to get one auger off, other one will not move. You said you possibly have some laying around. How would I go about obtaining a set.
Please contact me at my email address, or call me direct if you choose.
Mike
email: [email protected] phone: 3302845421
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