Coupler disconnect
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    Coupler disconnect

    Had an alignment issue that I fixed with help from this forum, but you see the problem I have left in the pictures below. How do I get the coupler back together? They shouldn't be separated like that.
    Attached Thumbnails Attached Thumbnails IMG_20170328_185629_811.jpg IMG_20170328_185701_253.jpg

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    AJgrn78's Avatar
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    It looks broken, I wouldn't think the bearing should be separated like that from the housing. I would not engage the mid pto with it like that.

    If there is one decision I will never regret...it was to not get the auto-connect.
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    ErikR's Avatar
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    Check out this thread, especially post #4, for a large break down of parts for the drive shaft.. I know that only answers half your question, but I have never taken one apart so I'm not sure how it's assembled. I went out and looked at mine. It looks like the bearing is pressed into the casting. Mine shows a couple of marks where some one staked the bearing in place...

    Click image for larger version.

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    http://www.greentractortalk.com/foru...tml#post116949

    I'm sure someone will have an answer.

    Good luck.


    And , it looks like you can get a bearing and housing assembly....

    Click image for larger version.

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    Last edited by ErikR; 03-28-2017 at 09:48 PM.
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    Joe
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    Quote Originally Posted by ErikR View Post
    Check out this thread, especially post #4, for a large break down of parts for the drive shaft.. I know that only answers half your question, but I have never taken one apart so I'm not sure how it's assembled. I went out and looked at mine. It looks like the bearing is pressed into the casting. Mine shows a couple of marks where some one staked the bearing in place...

    Click image for larger version.

Name:	DSCF7835.JPG
Views:	36
Size:	196.7 KB
ID:	336730

    Click image for larger version.

Name:	DSCF7834.JPG
Views:	30
Size:	176.2 KB
ID:	336738



    http://www.greentractortalk.com/foru...tml#post116949

    I'm sure someone will have an answer.

    Good luck.


    And , it looks like you can get a bearing and housing assembly....

    Click image for larger version.

Name:	Captureshaft.JPG
Views:	31
Size:	63.7 KB
ID:	336746
    Remove the coupler from the tractor, use a vise or heavy block of wood, align the bearing in the coupler and tap in with a shop hammer. It's easy, I had to replace the coupler on mine a few years ago, you might want to stake it in a few spots as shown in the photo.

    Joe
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    Thanks, guys

    I knew this forum would get back to me pronto.

    Joe, does the coupler disconnect at the u-joint, or do I need to take out the whole shaft? Also, how would I go about "staking" the coupler in place?

    I have the local JD dealer looking into the price and availability of the coupler also.
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    etcallhome's Avatar
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    You have to disconnect from the tractor side. Pulled back on yoke and you should be able to pull the coupler from the driveshaft .

    Wish you luck never had that happen to mine.
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    Gene

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    Drifterbike's Avatar
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    Also, how would I go about "staking" the coupler in place?


    In the picture you see two little dimples around the edge of the beering. These move the metal over to hold the beering in place. That is called "staking" you can use a punch or even a chisel to achieve this. It's an old time practice. At Farmall i used the corner of a chisel to do this on the front wheel hubs.
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    Looking at the picture in the linked post, it looks like the drive shaft is held in to the bearing assembly with a snap ring. I think in order to pull the shaft out of the assembly, you'd have to remove the snap ring first.

    I'd take it all off the tractor to work on it. You won't know if something is broken without getting a good look at it. That whole deck lift assembly is removed by removing 4 pins.

    Click image for larger version.

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    If you plan to use the tractor for something before you get this fixed, I'd remove the adjustable turn buckles from the tractor and set them aside. But remember which side they came from and how they were positioned on the tractor. You don't want to turn the threaded portion into the base or the deck lift will go out of adjustment.

    Click image for larger version.

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    Once it's off, you'll have a better idea of how much it needs to come apart in order to get the bearing back into the housing. If you have to remove the shaft, it should be just a matter of removing the snap ring, #5 in the parts picture...

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    ...with something like this.

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    And getting the bearing staked back into the housing...


    Good luck.

    You might want to check with your dealer and see if your under warranty. They'd fix it up and if they had the deck, they could make sure everything is set up correctly. I'm sure this has a lot to do with the banging noises from your mulching kit experience.
    etcallhome, Levi and BigJim55 like this.
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    1950 Allis-Chalmers B, Electric start, PTO, Belt Pulley, Hydraulic pump. Stuck engine (a work in progress)

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    Joe
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    Quote Originally Posted by ErikR View Post
    Looking at the picture in the linked post, it looks like the drive shaft is held in to the bearing assembly with a snap ring. I think in order to pull the shaft out of the assembly, you'd have to remove the snap ring first.

    I'd take it all off the tractor to work on it. You won't know if something is broken without getting a good look at it. That whole deck lift assembly is removed by removing 4 pins.

    Click image for larger version.

Name:	DSCF7836 - Copy1.JPG
Views:	22
Size:	191.0 KB
ID:	337106

    If you plan to use the tractor for something before you get this fixed, I'd remove the adjustable turn buckles from the tractor and set them aside. But remember which side they came from and how they were positioned on the tractor. You don't want to turn the threaded portion into the base or the deck lift will go out of adjustment.

    Click image for larger version.

Name:	DSCF7837 - Copy.JPG
Views:	23
Size:	195.0 KB
ID:	337114


    Once it's off, you'll have a better idea of how much it needs to come apart in order to get the bearing back into the housing. If you have to remove the shaft, it should be just a matter of removing the snap ring, #5 in the parts picture...

    Click image for larger version.

Name:	DSCF7841.JPG
Views:	22
Size:	218.0 KB
ID:	337130

    ...with something like this.

    Click image for larger version.

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Views:	209
Size:	16.7 KB
ID:	337122

    And getting the bearing staked back into the housing...


    Good luck.

    You might want to check with your dealer and see if your under warranty. They'd fix it up and if they had the deck, they could make sure everything is set up correctly. I'm sure this has a lot to do with the banging noises from your mulching kit experience.
    A much easier way is to unbolt the four bolts on the straps, then uncouple from the tractor (just slide the locking ring forward and twist), now you will have the bearing support and drive shaft, align the bearing with the coupler and tap back into place. Note: Take note on how the four bolts are installed. Also if you separate the drive shaft note the position of the universal joints (might want to mare these so you get the indexing correct). Joe
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    Thanks

    Thanks for all the prompt replies. I'll probably fiddle with it this afternoon since this is the last chance to get the mowing done before the wedding reception in my back yard. Fortunately the grass isn't very high yet. And yes, this is definitely the source of the noise I was hearing - it had nothing to do with the mulch kit. What fooled me was the fact that I had connected and disconnected in the past without issue and the mower was working fine. I can't figure out how this happened since it appears to have been a hit from the back, and that has never happened. There is some wear on the u-joint behind the coupler where it must have been rubbing.

    Forgive the newbie stuff, but this is new to me. What does "tapping" it back in to place mean? Is it really tapping, or am I going to have to give it a good pounding? And should I grease it before I start "tapping"? And what is a "shop hammer"?

    Thanks again.
    etcallhome likes this.

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