Blades spinning

Byron1100

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BX2670
Dec 16, 2021
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WrenbrookRetreat.com Australia
What a stupid design. I took the two dome washers put them on first, then the blade then the spigetted washer then the nut. Tightened, then stitch welded the spigetted washer to the blade. For new blades cut the washer off with an angle grinder with cutting disk. Now when I hit a tree root the belts slip a bit and stall the engine.
 

mcfarmall

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Kubota M5660SUHD, Farmall C
Sep 11, 2013
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Kalamazoo, MI
Welcome to the forum! I have no idea what your talking about. In fact, I had to Duck Duck Go "spigetted washer." Came up blank. I see a learning opportunity looming ahead!
 
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85Hokie

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BX-25D ,PTB. Under Armor, '90&'92-B7100HST's, '06 BX1850 FEL
Jul 13, 2013
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What a stupid design. I took the two dome washers put them on first, then the blade then the spigetted washer then the nut. Tightened, then stitch welded the spigetted washer to the blade. For new blades cut the washer off with an angle grinder with cutting disk. Now when I hit a tree root the belts slip a bit and stall the engine.
I am not even sure where to begin on this .......... kinda leaves me speechless!
 
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85Hokie

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see also “overheating” in service and repair
saw that too .......... if THAT fixed that problem ......... there is still a PROBLEM!

Forest Gump said it best .
 
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leveraddict

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2017 BX23S 60" LP BoxBlade 54" mower 60" BackBlade EA 12" 1 bottom plow & Forks
Apr 1, 2019
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NEPA
I didnt know I would need a welder and a grinder when I change my mower blades! WTH???
 

leveraddict

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2017 BX23S 60" LP BoxBlade 54" mower 60" BackBlade EA 12" 1 bottom plow & Forks
Apr 1, 2019
907
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NEPA
Byron interesting you run a nudist colony?
 

Henro

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May 24, 2019
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see also “overheating” in service and repair
I saw that too and thought he might have been pointing out a design issue with his tractor…related to blocked air flow Through the radiator.

BUT after reading the OP’s post here, I think I got sucked in on the overheating thread. o_O
 
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NCL4701

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Apr 27, 2020
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What a stupid design. I took the two dome washers put them on first, then the blade then the spigetted washer then the nut. Tightened, then stitch welded the spigetted washer to the blade. For new blades cut the washer off with an angle grinder with cutting disk. Now when I hit a tree root the belts slip a bit and stall the engine.
Seriously, do you have a picture or two of how that setup goes together?

I’ve seen a lot of mowers, admittedly none from Australia, but never seen one that required an angle grinder and welder to change blades. Also, I’m assuming the “dome washers” are Belleville spring washers. Having two adjacent to each other on the same spindle/bolt is a rather odd configuration. Photos of what you’re dealing with would be quite interesting to see.

And unless your mower has hinged blades like a brush hog/slasher, belts slipping and engine choking down when a large obstacle is struck is pretty normal.