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#1
04-09-2012, 08:40 PM
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109 snapped drive shaft
Messing around adjusting the carb on my 109 this evening, heard a thud.
 Didn't know enough to pay attention and notice it was a home made shaft with a pretty poor welding job. Looks like I'll have to find a new shaft before I finish tilling.
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LT1050 w/ 50" deck, 680 Hydro w/ 38" deck, 1450 w/ 50" deck, 109 w/ 38" deck 1A tiller, 42" snow blade (x2), cw-36 snow thrower, H42 snow thrower, #1 cart, 8" Brinly plow, Unk cultivator, Sears rear blade, extra k301, more extra decks and parts than space to put them. 
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#2
04-09-2012, 08:45 PM
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Weld too hot and crystalized? ( became brittle and snapped )
That's an easy fix.
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#3
04-09-2012, 09:25 PM
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The end of the shaft is supposed to have a 1/4" hardened pin crossways that rides in a slot in the coupler. Over time the pin wears a groove into the coupler and apparently a previous owner decided to just weld the shaft to the coupler. It's always fun fixing someone elses lazy fixes.
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Adam 1964 Model 100 w/ K301 12hp and custom hydraulics 1972 Model 149 turned 129 w/ K301 12hp, triple hydraulics, 66 series clone
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#4
04-09-2012, 10:07 PM
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thats all Im finding on my 125 !!!!! cob job work all over it. but I think I got them all found and fixed. just put a cast fan and shroud back on it tonight when insalling the spring assist.
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Doug Original , 100 , 125 , 582     West Central Ohio Farmall & Cub Cadet Club https://www.facebook.com/#!/groups/226681087497199/
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#5
04-11-2012, 01:54 PM
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If the driveshaft was welded to the adapter coupler/hub that fastens to your engine, then you will need a new adapter coupler/hub too.
(I have the drive shaft and coupler/hub out of my 129, and replaced them with a double flex disk setup. But, my adapter coupler/hub has the problem that IHinIN mentioned.....hense the upgrade. Twice out was enough for me.)
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Cub Cadet 129 48" deck - grass mowing 38" deck - backup deck 42" front blade
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#6
04-11-2012, 03:12 PM
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The hub isn't even original, it's solid all the way around with no slot for a pin.
I took it to a machinist friend yesterday, and just got it back about an hour ago. He cut the welds then made a slightly larger shaft, milled down one end and pressed the hub on then welded it in place as well as the flex disk mount, then balanced it. He did it for free so I couldn't ask for more. I'm assuming I can cut this new shaft near the hub and install another flex disk. Would there be any issues with that?
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LT1050 w/ 50" deck, 680 Hydro w/ 38" deck, 1450 w/ 50" deck, 109 w/ 38" deck 1A tiller, 42" snow blade (x2), cw-36 snow thrower, H42 snow thrower, #1 cart, 8" Brinly plow, Unk cultivator, Sears rear blade, extra k301, more extra decks and parts than space to put them.
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#7
04-11-2012, 10:41 PM
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I hate to poop your party, but I'm pretty sure that having no movement there isn't a good thing.
I believe that having the shaft welded solid to the hub will either cause your flywheel cup to fail or cause the shaft/hub to fail again. Someone please correct me if I'm looking at this wrong.
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More IH Cub Cadet Parts RIGHT HERE
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#8
04-11-2012, 10:50 PM
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Quote:
What I want to know is would it be ok to cut this new shaft near the hub, take a bit off of it and weld mounts for a second flex disk? Or would the end of the shaft still have to have some motion in the hub?
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LT1050 w/ 50" deck, 680 Hydro w/ 38" deck, 1450 w/ 50" deck, 109 w/ 38" deck 1A tiller, 42" snow blade (x2), cw-36 snow thrower, H42 snow thrower, #1 cart, 8" Brinly plow, Unk cultivator, Sears rear blade, extra k301, more extra decks and parts than space to put them.
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#10
04-12-2012, 08:09 AM
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Quote:
__________________
LT1050 w/ 50" deck, 680 Hydro w/ 38" deck, 1450 w/ 50" deck, 109 w/ 38" deck 1A tiller, 42" snow blade (x2), cw-36 snow thrower, H42 snow thrower, #1 cart, 8" Brinly plow, Unk cultivator, Sears rear blade, extra k301, more extra decks and parts than space to put them.
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Cub Cadet is a premium line of outdoor power equipment, established in 1961 as part of International Harvester. During the 1960s, IH initiated an entirely new line of lawn and garden equipment aimed at the owners rural homes with large yards and private gardens. There were a wide variety of Cub Cadet branded and after-market attachments available; including mowers, blades, snow blowers, front loaders, plows, carts, etc. Cub Cadet advertising at that time harped on their thorough testing by "boys - acknowledged by many as the world's worst destructive force!". Cub Cadets became known for their dependability and rugged construction.
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