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  1. #11
    TimeBandit's Avatar
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    Quote Originally Posted by Niklas View Post
    So its possible. As i said Before dont really the reason to remove the coupling at all.
    The shaft will be pressed out at the coupler side, and back in the same way (Like i try to draw on the pic)
    Yes, many others have reported being able to press the mid-shaft out & in with the coupler still attached.
    The shop manual goal is for total disassembly, and they caution that the coupler is soft, thus not to press on it directly. So if you just want to replace seals/bearings, you can leave the coupler attached, as long as you can still get the housing properly supported on the press table when pressing out, and when pressing in, careful not to press onto the coupler fingers, rather place a spacer/stand-off in the center (like a deep socket driver, same diameter as the shaft).


  2. #12
    superair's Avatar
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    I used a 1" PVC cap against the coupler. It doesn't take a whole lot of pressure to press it in but my press would not go in between the fingers. On the shaft side coming out I just used a scrap piece of steel flat bar to not press against the shaft directly.

  3. #13

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    Thanks all. But ops. Think i messed up real bad. Always one step forward, 3 steps back.
    The coupler dident hold when was trying to get the shaft out with a pipe. (right dimension) so got a hole in the middle of the couper. I could easily glue it with metal glue like "weld it" but it seems i have no way to get the shaft out then.
    Either, i get a new coupler, but then i probly need does special tools to get in off and back. Was very expensive here in sweden.
    Or i get a new used intermediate coupler set up and rebuild that one. Also a expensive solution.
    What do you guys think? Click image for larger version. 

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  4. #14
    fx160's Avatar
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    It looks like it is just a bung
    So should be able to put it back in with sealer

  5. #15

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    Ok. But how on earth will i get the shaft out now. Havent moved it an inch..

  6. #16
    fx160's Avatar
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    You need a bearing clamp
    I can take a pic of one tonight after work
    About 12 hours

  7. #17
    fx160's Avatar
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    And I think that bung screws on
    So being alloy it will have pulled the thread
    Might be easy to just buy a new bung and screw it on

  8. #18

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    The coupler is a solid piece, so yours is damaged. It's a direct opening to the outside of the hull and although the pump shaft sits inside of the mid-shaft, I'd have to guess water will enter the hull through the coupler.

    The mid-shaft comes out of the bearing housing easily on a shop press if you put the arbor plates under the lip on the rubber bearing holder.

    To remove the coupler from the mid-shaft, insert the pump shaft into the mid-shaft and hold the pump shaft securely in a shop press. Heat the coupler. Put a breaker bar between the fingers on the coupler and apply pressure to loosen the coupler. Heating the coupler is key, and will help you get the coupler off with minimal effort and without breaking the fingers.

    A common issue is wear/damage to the splines inside of the mid-shaft. If the splines go bad, the impeller won't spin when under load. If you operate in salt water or there is corrosion inside of the mid-shaft, it's probably a good idea to replace the mid-shaft when you are replacing the bearings.

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  10. #19
    superair's Avatar
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    Quote Originally Posted by Niklas View Post
    Ok. But how on earth will i get the shaft out now. Havent moved it an inch..
    You press against the shaft on the other end. Not the back of the coupler

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  12. #20

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    I’m pretty sure that mine had a plastic plug the screwed in there. Are you are it broke, that hole looks pretty clean and uniform.

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