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B torque tube drive shaft not grabbing? |
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Dick L
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Joined: 12 Sep 2009 Location: Edon Ohio Points: 5092 |
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Posted: 21 Sep 2016 at 3:07pm |
The put shear pins on smooth shafts. A cotter key would also work as a shear pin. I have used a cotter pin in a pinch for a shear pin on my auger. |
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CTuckerNWIL
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Joined: 11 Sep 2009 Location: NW Illinois Points: 22825 |
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Posted: 21 Sep 2016 at 3:38pm |
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It's kinda like having the bolt that holds the drawbar to the finals work out. There are only about 4 complete threads to begin with. If the bolt comes loose and you keep pullin with the drawbar, you will end up stripping the first thread or 2.
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Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF |
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Ken in Texas
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Joined: 11 Sep 2009 Location: Henderson, TX Points: 5919 |
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Posted: 21 Sep 2016 at 6:56pm |
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There are a few adding comments who think the coupling and the shaft are two separate pieces. They are, but they ARE WELDED TOGETHER and can't slide or be pulled apart. Parts book does not show this. Gives each piece a part number. I have 5 drive shafts on the shelf. All have the coupling welded to the shaft.
Edited by Ken in Texas - 21 Sep 2016 at 6:58pm |
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CrestonM
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Joined: 08 Sep 2014 Location: Oklahoma Points: 8457 |
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Posted: 21 Sep 2016 at 7:31pm |
Thanks for explaining that. I was one of those thinking that too.
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CrestonM
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Joined: 08 Sep 2014 Location: Oklahoma Points: 8457 |
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Posted: 22 Sep 2016 at 8:01am |
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So Ken...If the shaft and coupling are one piece, why wouldn't they slide together from the engine end, without splitting at the transmission?
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Dakota Dave
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Joined: 12 Sep 2009 Location: ND Points: 3971 |
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Posted: 22 Sep 2016 at 9:05am |
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You have a three foot long piece of 1" steel and three inches to grab onto on the end. Getting the coupler back on the trany stub shaft takes luck. It must be oriented so the splines are lined up and centered on the shaft to go on. The cotter pin is just for assembly it keeps the coupler that's welded to the drive shaft from sliding apart. During operation it really doesn't have any use. You can't pull the drive shaft out of the torque tube from the engine end because the welded coupler won't fit thru the throw out bearing support tube. It should have taken you about an hour to remove the gas tank,starter,battery and taken two bolts out of the foot rest tube . Take four nuts off and slide it apart. I've just put a sawhorse under it slid it foward balanced with one hand slide the coupling together and stuff a long cotter pin in. I've put then back together without a cotter pin and not worry about it it'll be decades before it needs to come apart again. When you split one for a clutch and the shaft pulls out pu
back in without turning it and you have about a 50% chance of success. Once you've turned the shaft it gets a hundered times harder to get it lined up. I've had my wife turn the belt pulley with the pto engaged while I wiggle the shaft and got it to go back together. I use the same method when trying to get the splines into the clutch disk. if I give her a clean rag she'll stand behind the tractor and turn the belt pulley for a few minutes if I ask nicely.
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