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Subject: Need a refresher/split 860

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lonestarjeff    Posted 07-26-2020 at 13:17:47 [URL] [DELETE]        [Reply] [Email]  
  • Need a refresher/split 860
  • Finally got around to installing a new clutch in the 860. Now I'm trying to rejoin the tractor. After much push, pull, jiggle, lift, lower, and cajoling I can't get her to close up that last quarter inch. A couple of hours yesterday and another couple this morning and I'm starting to think I left my pocket knife in there or something.

    So, what engages that last fraction, the pilot bearing?

    Jeff(the befuddled)

    WayneIA    Posted 07-27-2020 at 04:19:25 [URL] [DELETE]        [Reply] [Email]  
  • Re: Need a refresher/split 860
  • Did your blocked front axle stay? May be a little twisting action! What about the two dowel pins? What does that situation look like?

    lonestarjeff    Posted 07-28-2020 at 00:41:13 [URL] [DELETE]        [Reply] [Email]  
  • Re: Need a refresher/split 860
  • All bolt holes are lining up when I bring it together. It takes a little turning of the PTO & crank pulley nut to engage the splines, but the last 1/4" is a no go.

    I have the rear half supported from below & the front hanging from a boom. Everything blocked up when I leave it.

    Michford    Posted 07-28-2020 at 07:03:47 [URL] [DELETE]        [Reply] [Email]  
  • Re: Need a refresher/split 860
  • The front hanging from a boom is probably causing the issue. That would allow the front to push away in an arc like a swing as you try to engage the trans. Set the front on cribbing so it is fixed. Are you on a cement pad while working? Dirt floor makes a little more challenge, have heard folks lay down 4x8 sheets of 3/4 to roll floor jack on if not working on cement pad.

    Jack - Iowa    Posted 07-26-2020 at 22:29:09 [URL] [DELETE]        [Reply] [Email]  
  • Re: Need a refresher/split 860
  • Have no idea if this is right but when I had my 860 apart I pulled it back together with bolts. Had some longer than the regular mounting bolts which I used until I got it close enough for the regular ones. Of course I'm old and weak!

    Michford    Posted 07-26-2020 at 22:29:00 [URL] [DELETE]        [Reply] [Email]  
  • Re: Need a refresher/split 860
  • Do you have the pto shifter installed? Engage the pto if yes and rotate the pto shaft and try to close the gap. On the 860 both the trans input shaft splines and clutch input shaft spline have to engage.

    lonestarjeff    Posted 07-27-2020 at 00:36:01 [URL] [DELETE]        [Reply] [Email]  
  • Re: Need a refresher/split 860
  • Last time I rejoined this tractor what you describe above worked like a charm. For some reason this time it won't close up that last 1/4".

    Michford    Posted 07-27-2020 at 19:48:48 [URL] [DELETE]        [Reply] [Email]  
  • Re: Need a refresher/split 860
  • Any luck with your 860? I cut the heads off of some sacrificial bolts to help align the two halves of mine when putting it back together. Maybe roll the back end away and start fresh rolling the trans and rear back to the engine. When everything lines up, it should go right back together without much trouble.

    lonestarjeff    Posted 07-27-2020 at 20:57:28 [URL] [DELETE]        [Reply] [Email]  
  • Re: Need a refresher/split 860
  • I had to come back into the city, so I left it as is until next trip.

    I did pull it apart a couple of times, but same result. That last 1/4" won't close.

    SteveVa    Posted 07-26-2020 at 14:10:02 [URL] [DELETE]        [Reply] [No Email]  
  • Re: Need a refresher/split 860
  • With the starter off it wouldn't be the ring gear. Does ring gear drive a pump on those? What I do with MG's is to turn a back wheel with trans attached. Or just turn trans shaft if back end is not attached. Are there located pins?
    Shake up and down and spin a wheel if you can. Good luck.

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