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#1
04-23-2018, 11:57 AM
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1872 driveshaft virbration?
I recently had some motor mount bolts work loose & after fixing them I noticed the driveshaft vibration. Looks pretty bad to me. I originally thought the bolts came loose because of a mower deck i tried, but now thinking its the driveshaft. I didnt find anything loose, I guess I need to take it all apart again, take driveshaft out & see if it is bent. Any suggestions on what to look for, how to fix?
https://youtu.be/7WBh_ySf74A THakns
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________________________ Scot 
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#2
04-23-2018, 08:28 PM
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Do NOT run that again until it's repaired. That looks like imminent failure.
Something is worn in the front coupler / flange. It should "look" round when it's running, not oscillating. Jeff
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#3
04-23-2018, 08:38 PM
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My guess is the ball on the engine end is gone. My luck with driveshafts goes something like this--save the fan and the bolt that holds it in, the rest is trash. Maybe your luck will be better.
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2072 w/60" Haban 982 with 3 pt and 60" Haban 1811 with ags and 50C 124 w/hydraulic lift 782 w/mounted sprayer 2284 w/54" mowing deck
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#4
04-23-2018, 09:24 PM
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Don't run it.
You have 2 options. Replace with original type parts or change up to the better CV type system. Original design: New pump coupling. https://www.ihccw.com/drive.html?product_id=1433 https://www.messicks.com/part/903-1066/arm-w-bushin 4 New Flex Disc joints. https://www.messicks.com/part/722-30...-coupling-disc New drive shaft. (save the existing couplings on the drive shaft and reuse) Jeff makes very nice ones or you can make your own. Probably a good time to change the fan too. https://www.messicks.com/part/931-3013/fan-cooling Drive shaft engine flange. https://www.messicks.com/part/903-0204/flange-assy Or Talk to Jeff about what it will take to convert over to the CV system That's a lot of money to dump into an older machine but you won't have to worry about it for a long time with either type system. Good luck.
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This ain't no hobby....it's an addiction
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#5
04-23-2018, 09:48 PM
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Zippy1 can tell you what well happen if you keep running that. DON'T START THAT ANYMORE. Please for the love of Cub's don't start until repaired.
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2-1811's 1872 2072
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#6
04-23-2018, 11:22 PM
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Quote:
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Make the best of each day , Todd  Original's Face Lift thread.http://www.onlycubcadets.net/forum/s...ad.php?t=34439 (O) Start to Finish video.https://www.youtube.com/watch?v=GAoUNNiLwKs Wheel Around videohttps://www.youtube.com/watch?v=XUL-m6Bramk They can't all be turn key! 
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#7
04-24-2018, 07:05 AM
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Well he could video the start up and we can take bets on how long it lasts before it lets go.... Sitting in the seat will get you bonus points and more views I think....
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#9
04-24-2018, 12:19 PM
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Is there a direct replacement CV style driveshaft from another model that will fit the 1872? Is the spline on the pump a coarse spline? Was looking for parts & the adapter comes in fine & coarse.
Thanks
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________________________ Scot
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#10
04-24-2018, 07:50 PM
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Quote:
Sent email too
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