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Snow Blower, OC |
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NDBirdman
Orange Level Access Joined: 30 Jul 2011 Location: ND Points: 1376 |
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Posted: 18 Dec 2022 at 3:45pm |
I am running an IH 80 (?) double auger snowblower on the back of my AC190XT. On the blower, shear-pin, does anyone know what would be a good bolt/grade to run? I threw in 2 bolts/nuts that just fit and busted both off. I was using grade-3 bolts but don't have anymore that fit, time for hardware store run. Do I dare run grade 5 or would I be twisting the shaft? This darn snow is layered, snow, ice, snow, ice, snow and is fun to blow. NOT... Snow's only 16-20 inches deep depending on the area. Sheltered area deeper of course. At half or little more throttle, low side, I was constantly stopping to let clear, seems like low reverse was too fast for the load.
Edited by NDBirdman - 18 Dec 2022 at 3:48pm |
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1955 WD45 S#205467, 190XT #6652 DXT
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darrel in ND
Orange Level Joined: 22 Nov 2009 Location: Hebron, ND Points: 8633 |
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Are the shear bolt holes wollered out? I'd run grade fives, put washers on both sides, and double nut them so they don't come loose. And you are most definitely going to have to be feathering the PD clutch in much snow at all. It won't eat it at full speed. And get your engine RPMs up to almost full throttle. You won't hurt that snow blower, faster is better when it comes to that
I can't say that I would do this, but I know of guys who run a 540 blower on a 1000 shaft. Probably not doing that full speed, but the snow flies Darrel |
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bigal121892
Orange Level Joined: 05 Jan 2010 Location: Nebraska Points: 803 |
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Use grade 5 bolts, and run at full throttle. At half throttle, the blower has no inertia to move the snow. We used to have a Lundell snow thrower, grade 5 bolts, full throttle on a 7060. Would have to feather the clutch on the first pass, but after that would take whatever width would allow for not using the clutch.
Edited by bigal121892 - 18 Dec 2022 at 5:02pm |
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NDBirdman
Orange Level Access Joined: 30 Jul 2011 Location: ND Points: 1376 |
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No, the shear bolt holes aren't wollered out. Kinda surprising as old/beat up this blower is. I'll look for grade 5 when I hit the hardware store, thanks. I was working the PD pretty hard in the deeper/harder stuff. Straight snow without the darn layer of ice, it throws good.
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1955 WD45 S#205467, 190XT #6652 DXT
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Gary
Orange Level Access Joined: 13 Sep 2009 Location: Peterborough,On Points: 5372 |
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I have never heard of a Grade 3 bolt. If you are referring to the three - on the head, that is a Grade 5. No - is a Grade 2. Five - is a Grade 8, very hard and strong. G |
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MACK
Orange Level Joined: 17 Nov 2009 Points: 7664 |
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I would use grade 5 and don't tighten down against shaft. Use a lock nut to retain bolt. Full throttle puts less torque on shear bolt. MACK
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darrel in ND
Orange Level Joined: 22 Nov 2009 Location: Hebron, ND Points: 8633 |
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Are you having any better luck with it birdman?
Darrel |
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SteveM C/IL
Orange Level Access Joined: 12 Sep 2009 Location: Shelbyville IL Points: 8235 |
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As said,fast pto is better and if you can manage a first pass by slipping along then you can just shave off slices it can handle without slipping PD.
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NDBirdman
Orange Level Access Joined: 30 Jul 2011 Location: ND Points: 1376 |
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I haven't tried blowing with it yet. Figured maybe Wednesday I will fire her up again. Today, I have battery problems... it's always something. My Ford, Ram, and Buick have dead batteries. I even keep battery tenders on them. The Buick sits in a heated garage so that one came as a surprise but the 2 trucks.... kinda figured they'd be DOA as we're having -20f temps last few days. Gotta love these January/February temps... oh wait... it's only December.... grrr... LOL
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1955 WD45 S#205467, 190XT #6652 DXT
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SteveM C/IL
Orange Level Access Joined: 12 Sep 2009 Location: Shelbyville IL Points: 8235 |
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Your location is the biggest obstacle.
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WF owner
Orange Level Joined: 12 May 2013 Location: Bombay NY Points: 4664 |
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Have you tried finding an owners manual for your blower to see what IH recommends?
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