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  1. #1
    Member
    Join Date
    Sep 2008
    Posts
    36
    Location
    Missouri
    Tractor
    Iseki 1700F

    Default Repair Hole in Transmission Case

    I have an Iseki 1700TU. Been a good running tractor however this winter while I was using it, a leak developed. After it warmed up to where I could get outside for longer then 5 minutes I found that I had a hole in the bottom of the transmission case. It looked like there was a bolt laying inside the case, across the hole. I tried to fish it out but no luck. I've attached a picture. Since it was still cold outside I decided to wait till it warmed up. Today was the 1st warm day and so figured I'd remove the top of the transmission housing to see what I could do. JB Weld figures high on the fixes right now. Anyway, 1st problem. I need to remove the shifter and I'm not having any luck. I've attached a picture of the shifter. There appears to be a bolt holding the shifter to the transmission shaft. I loosened it and tapped it with a hammer but it wouldn't budge. Any suggestions?
    Attached Thumbnails Attached Thumbnails -trac-001-medium-jpg   -trac-002-medium-jpg  

  2. #2
    Gold Member
    Join Date
    May 2004
    Posts
    344
    Location
    Corn Country, Illinois
    Tractor
    John Deere

    Default Re: Repair Hole in Transmission Case

    Soak that shifter with penetrating oil over night..I would think the bolt-threaded part would have to be drove out to the other end to get it off of the shaft.. the case holds oil I assume..you have a serious problem there if it does..
    JD 2011, 2520,61 200CX loader,imatch,pallet forks,54 front blade,4 Yanmar Tillar...Life is good!!!

  3. #3
    Bronze Member
    Join Date
    Nov 2009
    Posts
    90
    Location
    Devon UK
    Tractor
    Iseki 2160f

    Default Re: Repair Hole in Transmission Case

    Not sure about the shifter but to fix the hole i would be temped to cut a plate and to drill and tap four holes to fix it then screw it in place with gasket sealer

    Oh and don't forget to find out where the bolt came from otherwize the hole in the case could be the least of your problems

  4. #4
    Member
    Join Date
    Sep 2008
    Posts
    36
    Location
    Missouri
    Tractor
    Iseki 1700F

    Default Re: Repair Hole in Transmission Case

    Quote Originally Posted by fixit View Post
    Not sure about the shifter but to fix the hole i would be temped to cut a plate and to drill and tap four holes to fix it then screw it in place with gasket sealer

    Oh and don't forget to find out where the bolt came from otherwize the hole in the case could be the least of your problems
    Thats why I'm trying to remove the transmission cover. Get the object out and see if something broke inside or if somehow a bolt got dropped into the filler tube. My plan was to use JB Weld to fill the hole then a plate underneath to add addition strength.

  5. #5
    Silver Member
    Join Date
    Apr 2008
    Posts
    216
    Location
    Bigfork, Mn.
    Tractor
    JD 4110HST

    Default Re: Repair Hole in Transmission Case

    That bolt with the nut and washers has to be removed to get the shifter off. It probably has a groove in the vertical rod that the shifter sits on. The bolt fits passes through that groove

  6. #6
    Elite Member
    Join Date
    Oct 2004
    Posts
    2,923
    Location
    limerick pa lycoming county pa
    Tractor
    kubota bx23

    Default Re: Repair Hole in Transmission Case

    like every one said pop the bolt and a pitman arm puller or tie rod puller (not pickle fork)should pop it off.
    If it ain't broke we will help you brake it
    If it is broke we will help you get it fixed!


    https://www.facebook.com/joseph.t.mussington

  7. #7
    Member
    Join Date
    Sep 2008
    Posts
    36
    Location
    Missouri
    Tractor
    Iseki 1700F

    Default Re: Repair Hole in Transmission Case

    Hurrah, got the shifter off. Patience, WD40 and time. So here is what I'm up against. I've attached a picture showing where the hole is and the only way I can access the bottom of the housing. I probed the hole with a piece of wire and can hear the object moving around. So I guess I'll go buy a flexible magnet or parts grabber and see if I can pull it out. If I'm not able too, can the gears be removed?
    The gears look to be in good shape. From what I see it appears that the top had been off before because I see some kind of sealent running down the inside of the case. Makes me think that whoever worked on it dropped a bolt and never got it out. Finally it got caught between the housing and gear.
    Attached Thumbnails Attached Thumbnails -trac-003-medium-jpg  

  8. #8
    Veteran Member kebo's Avatar
    Join Date
    May 2006
    Posts
    2,281
    Location
    Lexington, SC
    Tractor
    2001 John Deere 790 4x4, bar tires

    Default Re: Repair Hole in Transmission Case

    Is it possible to rotate all the gears closest to the hole and inspect them closely to make sure no teeth are damaged? Maybe the bolt got wedged between a geartooth and the housing somehow and tried to push through the housing?
    Nothing could be finer than riding my JD790 in South Carolina!!

    2001 John Deere 790 4x4 with Model 70 FEL, 5ft International World Agritech bush hog, 5ft Wallberg BB, 5ft Frontier disc harrow, 5ft King Kutter II Rototiller, 5ft Cultipacker, 5ft Sitrex finish mower, Leinbach PHD with 9" & 12" augers, Leinbach middlebuster, Leinbach #11 Field Cultivator, boom pole, custom 3pt handi-hitch, clamp on bucket forks, Pat's Easy Change.

    Nothing runs like a Deere, or smells like a John....

  9. #9
    Member
    Join Date
    Sep 2008
    Posts
    36
    Location
    Missouri
    Tractor
    Iseki 1700F

    Default Re: Repair Hole in Transmission Case

    I tried to rotate the bottom gears but had no luck. I figure their coupled to the engine and PTO. If there is damage it would have to be 1 or 2 teeth on the bottom.

  10. #10
    Veteran Member jimmysisson's Avatar
    Join Date
    Jul 2005
    Posts
    1,577
    Location
    W.Mass
    Tractor
    1993 NH 2120 (the best), 1974 MF 135 (sold, but solid), 1947 Farmall A (bought, sold, bought back, sold again), 1956 MH50 lbt (sold, in 1980, darn it)

    Default Re: Repair Hole in Transmission Case

    Is this a machine you've owned for a while? Are you the only operator? A casting pop that size would make some noise, plus the gush of oil onto the ground would be obvious?
    Magnetic retreivers are pretty cheap, look for one that's flexible near the magnet - looks like that's where you need it. The magnet is good for chips, too. Do you think ice could have busted the casing (I don't)?
    I agree it looks like something got caught between a gear and the case, and good luck finding it.
    Jim
    "Anything worth doing is worth doing slowly" Mae West

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