mower deck driveshaft removal
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    mower deck driveshaft removal

    I searched and couldn't find anything on this, if it's already been covered tell me how I missearched. I'm trying to get the 62c deck off my new-to-me x495 and can't get the driveshaft loose. I believe I'm pulling(forwards) on the right place to uncouple it, the seems-to-be spring loaded sleeve near the rear of the shaft. Am I pulling the wrong way, not hard enough, or on the wrong thing? I can't get any leverage and I don't know how long since it has been worked.

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    Chuckv's Avatar
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    Spud,

    There is a locking collar to pull back that releases the drive shaft -- see the exploded view and item "O" in this illustration from the TM2024:
    Click image for larger version. 

Name:	X495 mower drive shaft detail.jpg 
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    I no longer have my X495 and it has been a while since I disconnected that shaft, but I am pretty sure you pull the collar TOWARD the yoke. It does not have much over-travel, and can be stiff if not used much...

    Good luck,

    Chuck
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    Chuckv's Avatar
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    ...I also found my deck manual OMM 146672 for the 62C and discovered this illustration and set of steps for deck removal:
    Click image for larger version. 

Name:	X495 mower drive shaft release detail.jpg 
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    and here is the full text:
    OMM 146676 62C manual.pdf

    Chuck
    Last edited by Chuckv; 06-28-2014 at 02:03 PM.

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    thanks Chuckv

    I believe I'm pulling on the correct thing, the locking collar, but I can't get enough leverage to snap it free. It moves a little, it turns, I've sprayed some silicon lubricant into it, I'm gonna have to keep on playing with it. Anyone else have any insight?

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    Try dropping the deck entirely except for the shaft. Remove the front hanger and push the deck toward the front of the tractor. Set the gauge wheels to keep the shaft as level as possible. This way you are not fighting against the deck. You might also try turning the shaft with the belt as you pull on the retainer ring, maybe back and forth one the belt. When you get it off, be sure to lube it real good with something that stays. I like fluid film on these sliding rings, and plain grease on the splines.

    I've never had trouble removing the drift shaft, but I have used this technique to get the shaft all the way on (by pushing the drive shaft with the deck toward the back, in this case).
    Chuckv, rtgt, spudwrench and 1 others like this.

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    RetiredCarGuy's Avatar
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    Quote Originally Posted by gittyup View Post
    Try dropping the deck entirely except for the shaft. Remove the front hanger and push the deck toward the front of the tractor. Set the gauge wheels to keep the shaft as level as possible. This way you are not fighting against the deck. You might also try turning the shaft with the belt as you pull on the retainer ring, maybe back and forth one the belt. When you get it off, be sure to lube it real good with something that stays. I like fluid film on these sliding rings, and plain grease on the splines.

    I've never had trouble removing the drift shaft, but I have used this technique to get the shaft all the way on (by pushing the drive shaft with the deck toward the back, in this case).
    Correct, as my X575 was balky the first time years ago. It was all my fault not to follow the JD written procedures!

    I have to say to follow the John Deere R&R instructions exactly as written... and the collar will quickly slide, then the shaft will easily de-couple.
    Last edited by RetiredCarGuy; 07-01-2014 at 08:40 AM.

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    coaltrain's Avatar
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    Since the OP seems to be pulling on the collar correctly to disengage it, another thought comes to mind. I wonder if the slide part of the drive shaft is seized up?

    The drive shaft is actually 2 pieces that slide in and out - you will see the joint around the middle of the shaft. If this joint looks corroded or dry it won't let the shaft compress when you are trying to remove it.

    Here's an example pic of what I am talking about - I usually have a hard time explaining this stuff properly:

    This is what one end of the drive shaft looks like:



    The other end of the driveshaft will insert into this square hole:



    Notice in the first pic how rusted it is? This can easily prevent the drive shaft from sliding enough so you can get it off the PTO shaft.
    Gizmo2 and RetiredCarGuy like this.
    ~Stan~
    It is what it is
    Knowledge is power, ignorance is bliss
    2520 w/200CX w/62D2

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    RetiredCarGuy (07-01-2014)

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    RetiredCarGuy's Avatar
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    Coaltrain,

    Thanks! Great photos and details.

    A little lubrication, goes a long way!

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    coaltrain's Avatar
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    Trying to help the OP out - I also found a pic of the locking collar (not necessarily the exact one on our mowers). This shows how far the collar needs to move back in order to release:
    Attached Thumbnails Attached Thumbnails Drive-Shaft-Collar-Engaged1crop.jpg  
    ~Stan~
    It is what it is
    Knowledge is power, ignorance is bliss
    2520 w/200CX w/62D2

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    coaltrain's Avatar
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    Quote Originally Posted by RetiredCarGuy View Post
    Coaltrain,

    Thanks! Great photos and details.

    A little lubrication, goes a long way!
    Yep - that's why they put a grease fitting on the shaft.
    ~Stan~
    It is what it is
    Knowledge is power, ignorance is bliss
    2520 w/200CX w/62D2

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