2J Head Problems, Help Please.
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  1. #1
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    Default 2J Head Problems, Help Please.

    img_7071.jpgimg_7070.jpgimg_7069.jpgimg_7068.jpg

    Ive had this apart twice, cant really see anything wrong. Other than someone has been here before.
    Belt is not tracking properly and is rubbing. All the parts seem to be there and bearings and sleeves all seem good.
    One question the spacer ring does it go under the cover or above ? Drawings I have dont show the cover.
    Anyone have any idea of whats going on ?
    Thanks

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    There should be four drilled and tapped holes that secure a thin ring to the splined pulley. The ring stops the cog belt from walking. There should be two, one top and one bottom part #8.
    backgear-parts.jpg
    John

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    Quote Originally Posted by jhruska View Post
    There should be four drilled and tapped holes that secure a thin ring to the splined pulley. The ring stops the cog bet from walking. There should be two, one top and one bottom part #8.
    backgear-parts.jpg
    John
    Not on mine , splined pulley has just 2 tapped holes for pulling it off.
    Might have to make it as such.
    Can you tell me where the Timing Pulley Clutch Sleeve goes?
    Part number 12180064

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    Okay, I'll look that up in one of the manuals.
    In the meantime:
    lower-housing-parts.jpgassembly-dwg-high.jpgassembly-dwg-low-gear.jpg

    p/n 12180064.....2180064....aka 2J513 Timing Pulley Clutch Sleeve

    Here is a part # list and the matching diagram containing p/n 2J513:
    2j2-back-gear-head-parts.jpg2j2-back-gear-head-parts-diagram.jpg
    Look at #38.
    Part numbers change according to serial number, where the mill was manufactured (ex. England) and when.
    2J513 and the description stays with the part.

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    Quote Originally Posted by jhruska View Post
    Okay, I'll look that up in one of the manuals.
    In the meantime:
    lower-housing-parts.jpgassembly-dwg-high.jpgassembly-dwg-low-gear.jpg

    p/n 12180064.....2180064....aka 2J513 Timing Pulley Clutch Sleeve

    Here is a part # list and the matching diagram containing p/n 2J513:
    2j2-back-gear-head-parts.jpg2j2-back-gear-head-parts-diagram.jpg
    Look at #38.
    Part numbers change according to serial number, where the mill was manufactured (ex. England) and when.
    2J513 and the description stays with the part.
    Yes I have the same paper work, but it doesnt show the thin sheet metal cover, part 38 is the one Im not sure if it goes under or above the cover.
    And your help is truly appreciated. Thanks

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    img_7075.jpg
    My splined pulley. Im in the process of making some rings to do as the paper work shows, of course mill is down so its back to dividers and hand work. Thanks

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    The retaining screws for the flange have to be counter sunk and at least flush with the surface of the flange.
    The width of the flange 'seemed' like .045 - .060" thick. Never measured one so it is a memory guess.
    Okay, I rebuilt these things for years and can't remember exactly where that sleeve goes.
    If I had the parts in front of me I'd check bore diameters and compare to the hub outer diameter and the
    hub shaft diameter (splined gear hub #39).
    Pull the cover and check face alignment of the bull gear to the pinion. Do they match or does the bull gear face ride too high?
    The only assembly pic I have:
    img_8725.jpg

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    Quote Originally Posted by jhruska View Post
    The retaining screws for the flange have to be counter sunk and at least flush with the surface of the flange.
    The width of the flange 'seemed' like .045 - .060" thick. Never measured one so it is a memory guess.
    Okay, I rebuilt these things for years and can't remember exactly where that sleeve goes.
    If I had the parts in front of me I'd check bore diameters and compare to the hub outer diameter and the
    hub shaft diameter (splined gear hub #39).
    Pull the cover and check face alignment of the bull gear to the pinion. Do they match or does the bull gear face ride too high?
    The only assembly pic I have:
    img_8725.jpg
    The ring fits perfect on 37 and 39 Thats my problem, works both ways.
    And yes the belt rings has to be thin and the screws have to be flush.
    Thanks again

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    Correct sleeve install in post 11.
    Last edited by jhruska; 11-05-2019 at 05:27 PM. Reason: correction

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    Thanks Ill look at it again.

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    Back up the truck, here it is:
    sleeve.jpgstep-pulley-sleeve.jpg2hp-sleeve.jpgvary-speed-assembly.jpglower-hub.jpg
    Sleeve goes on the upper hub as in pics 1, 3 and 4.
    No room on the lower hub -
    Regards, John

  12. #12
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    Quote Originally Posted by jhruska View Post
    Back up the truck, here it is:
    sleeve.jpgstep-pulley-sleeve.jpg2hp-sleeve.jpgvary-speed-assembly.jpglower-hub.jpg
    Sleeve goes on the upper hub as in pics 1, 3 and 4.
    No room on the lower hub -
    Regards, John
    Perfect thanks
    Just coming in from finishing it, of course I put it in wrong.
    Oh well it really doesnt take long to do it again.


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