1971 Ariens Sno Thro 7 HP 910962 - Snowblower Forum : Snow Blower Forums
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post #1 of 30 Old 11-01-2017, 09:54 AM Thread Starter
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1971 Ariens Sno Thro 7 HP 910962

Gents -- I have a 1971 Ariens Sno Thro #910962. Pulled it out of the shed this fall and during normal, pre-season checks found the aluminum spindle hub broken -- the tab that goes down near the wheel. Maybe I missed it in previous years, doesn't look like a new break in the casting. Found a cast steel donor hub on ebay, and proceeded to tear down the machine. I've got the entire drive box dissembled. Picked up new tires, tubes, bearings and bushings.Starting to work on clean up, repainting and sub-assemblies. Donor hub is reassembled with new bearings.

Are there any modifications that I should make before reassembly? I'm thinking drilling and putting in zerk (grease fittings) on the shift bushing assembly and the friction assembly pivot would be nice.

I considered installing grease fittings on the hub and the left-to-right thrust assembly but discarded those ideas.

Last edited by buzzybee; 11-02-2017 at 02:25 PM. Reason: Fix spelling error. "zerk" not "zerc"
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post #2 of 30 Old 11-01-2017, 11:06 AM Thread Starter
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And one other thought... My timing on this project is way off. Wish I had started refurbishing this machine in the spring -- more daylight, more time to get things right.
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post #3 of 30 Old 11-02-2017, 12:41 PM Thread Starter
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Not much bench time last night. Second tire mounted and then touched up the rim paint.
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post #4 of 30 Old 11-02-2017, 01:01 PM Thread Starter
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Shiny hubs with new tubes and tires! Unfortunately, I didn't take any before pictures. Angle grinder with 3 inch wire brush did a great job of getting the rust off the rims.
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Last edited by buzzybee; 11-02-2017 at 02:28 PM. Reason: Ugghh... Fix another spelling error.
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post #5 of 30 Old 11-02-2017, 01:02 PM Thread Starter
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Tire mounting jig + work product.
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post #6 of 30 Old 11-02-2017, 01:06 PM Thread Starter
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Drive box (chassis) primed. Finish coat hopefully this weekend. I scored a free quart can of oil based black enamel from ACE that will work nicely. Color doesn't matter. This isn't a restoration. It's a working piece of equipment.
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Last edited by buzzybee; 11-02-2017 at 02:30 PM. Reason: Fix another typo.
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post #7 of 30 Old 11-02-2017, 01:08 PM Thread Starter
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Busted spindle hub. Aluminum casting failed. In the right of the picture you'll see the mounting tab broke off.
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post #8 of 30 Old 11-02-2017, 01:13 PM Thread Starter
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Said machine on January 1, 2015. Going strong.
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post #9 of 30 Old 11-02-2017, 01:31 PM
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Sweet! its looking great..
nice job on the restore..
keep the updates coming!

Scot


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post #10 of 30 Old 11-02-2017, 01:54 PM Thread Starter
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Here is the shift assembly (before painting). Worth drilling and putting in a grease fitting? If so, where to position it so it can be reached? Comments welcome.
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