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Wobble in port shaft

Discussion in 'Post Yacht' started by Stainless45, Jul 16, 2021.

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  1. Stainless45, Aug 9, 2021
    #61
    Stainless45

    Stainless45 Active Member

    Joined:
    Jul 19, 2019
    Messages:
    168
    Location:
    Post 46 Long Island NY
    I'm going to test the theory next week by marking the shaft and seeing if the 'high spot' times itself opposite of the key. She's still in the water, kinda hoping I can live with the wobble until she comes out again some time in October
  2. Pascal, Aug 9, 2021
    #62
    Pascal

    Pascal Senior Member

    Joined:
    Feb 29, 2008
    Messages:
    8,645
    Location:
    Miami, FL
    good idea. Whoever pulled the shaft should have checked that the strut is lined up correctly. I had this issue on my boat when we repowered. After 3 months on the hard and major weight changes inside the struts weren't lined up. We had to plug all holes, draw some reference lines, put the boat in the water over a week end then haul and block again to make sure the hull was back in shape. We still had to move one of the strut.
  3. DOCKMASTER, Aug 9, 2021
    #63
    DOCKMASTER

    DOCKMASTER Senior Member

    Joined:
    Feb 26, 2012
    Messages:
    1,540
    Location:
    Ketchikan, Alaska
    Get yourself an inexpensive dial indicator so you can do this and get an actual measurement. You can get a complete kit with magnetic base on Amazon for under $40
    Stainless45 likes this.
  4. d_meister, Aug 9, 2021
    #64
    d_meister

    d_meister Senior Member

    Joined:
    Mar 4, 2010
    Messages:
    486
    Location:
    La Conner, WA.
    Post #49:
    "A new key was made for the coupler bore."
    You may be able to see a gap between the coupler and shaft on the side where the key is.
    If the shaft is clean and unblemished, so the seal rotor can be moved on the shaft, a lot can be done without hauling out.
    Stainless45 likes this.
  5. Capt Ralph, Aug 9, 2021
    #65
    Capt Ralph

    Capt Ralph Senior Member

    Joined:
    Sep 8, 2004
    Messages:
    13,643
    Location:
    Satsuma, FL
    Usually not much iron for a magnetic dial base to mount on in a bilge.
    I use a heavy scrap iron plate sitting in the bilge. Also had a metal tab welded on a large welders vice grip.
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