Changing portlight gaskets

Discussion in 'General Maintenance/Repair Questions' started by larsoslo, Apr 17, 2016.

  1. larsoslo

    larsoslo Member

    63
    Jan 1, 2014
    Oslo, Norway
    270 Sundancer 2000
    383 Merc Stroker 6.2 w/Bravo III
    I have noticed small leaks from several of my portholes including the deck window. I do not know which port lights these are as I don't have a parts manual for that boat. Does anyone know and where I can buy gaskets for these? I am hoping changing the gaskets will solve the problem. Any pointers would be greatly appreciated!
     
  2. Dieseljeff

    Dieseljeff New Member

    303
    Sep 14, 2013
    Somewhere on the St. Johns River, Florida
    1994 290, 7.4 Bravo, Kohler 4kw
    9.1 Hydro Force dinghy with a Mercury 9.8
    04 Silverado 2500 D/A
    7.4 Mercruiser with Bravo III
    Pompanette 603.826.5791.

    Jeff
     
  3. larsoslo

    larsoslo Member

    63
    Jan 1, 2014
    Oslo, Norway
    270 Sundancer 2000
    383 Merc Stroker 6.2 w/Bravo III
    Thanks, Jeff. I'll give them a call.

    After reading up on this, it seems the port lights are re-bedded just using silicone and not a gasket between the window and the hull, but do you also change the gasket inside the port light that the screen is closed against when doing this operation?
     
  4. Bob & Sue

    Bob & Sue Active Member

    Jun 3, 2011
    Browns Point Tacoma WA
    Sold 1999 270DA Sundancer
    5.7l Mercuiser
    Last edited: Apr 17, 2016
  5. CliffA

    CliffA Well-Known Member GOLD Sponsor

    Dec 29, 2009
    Lake Norman, NC
    2001 Sea Ray 340DA
    Name: 'Happy Place'
    4.5kW West. Generator
    Purchased Nov. 2014
    Fresh Water Use
    Twin Merc. 6.2L (MPI)
    640 hp (Total)
    Raw Water Cooled
    V-Drive Transmissions
    before you replace the gaskets you may want to try and tighten the screws on the retainers that hold the windows tightly sealed.....sometimes just a sight tightening of these screws is enough to press the window harder against the gasket and stop a leak....it worked on my boat....

    cliff
     
  6. Dieseljeff

    Dieseljeff New Member

    303
    Sep 14, 2013
    Somewhere on the St. Johns River, Florida
    1994 290, 7.4 Bravo, Kohler 4kw
    9.1 Hydro Force dinghy with a Mercury 9.8
    04 Silverado 2500 D/A
    7.4 Mercruiser with Bravo III
    When I bought mine 2 years ago, I bought a kit which included a new screen and a new rubber seal for the screen.
    I bought direct from the number listed above for apx $22 per kit.
    I didn't have any leaks from the outside, I bought because my screens were bad.

    Jeff
     
  7. Boater420

    Boater420 Well-Known Member

    Mar 11, 2015
    Clearwater, FL
    '97 330 Sundancer
    V-Drives
    Westerbeke 4.5BCG
    Twin Merc 454's
    I've added a few pics of the process and a few tips for doing this job.

    You don't need to take the frame apart or remove and screws. Grab a small regular screwdriver and gently pry out the old gasket. Capture 6

    Once you have a corner pried loose just pull the gasket out of the frame. Capture 5

    I used a product made by Goo Gone to remove the glue from the frame after the old gasket was removed. I don't like the smell of Acetone and didn't want to risk spilling it on any vinyl in the cabin. Goo Gone is safe for any material and smells like citrus. It worked as well as the Acetone. Capture 7 & Capture 4

    Once the frame is clean, take a new gasket and make sure the groove for the screen is on the inside. Locate the orange tape on the back and notice where the gasket is glued together. This seam needs to be installed at the top of the frame where it will not be sitting in water. Peel off the orange tape and begin to press the gasket into the frame. DON'T stretch the gasket as you install. Capture 2 & Capture 3

    The dogs will need to be adjusted to allow for the thickness of the new gasket.

    If you're doing these windows on a 330 DA start with the one over the microwave as it's the hardest to reach. Then do the ones over the dinette and then the one in the head.

    Part # S616-GASKET-GLUD
     

    Attached Files:

    JC3, Mark Goodwin and Happy Dayz like this.
  8. Creekwood

    Creekwood Well-Known Member GOLD Sponsor

    Apr 26, 2009
    Oakville and Georgian Bay, Ontario
    '97 330 Sundancer, Raymarine C80 suite with radar, Mercury 310 Hypalon w/8hp Yammie 2stk
    2X 454 carbs w/ vDrives
    Ordered 4. Arrived today. Ready for a spring project.
     
  9. Creekwood

    Creekwood Well-Known Member GOLD Sponsor

    Apr 26, 2009
    Oakville and Georgian Bay, Ontario
    '97 330 Sundancer, Raymarine C80 suite with radar, Mercury 310 Hypalon w/8hp Yammie 2stk
    2X 454 carbs w/ vDrives
    I finally got around to installing the screens. Boater420’s instructions were helpful. I used a rag with Acetone to clean out the old glue out of the fames. Installing the new gasket was pretty easy. The new separate screens with plastic frames does make the viewing area of the portholes smaller than the old style with the gasket holding the screen. But they are removable so next change will be easier???

    Nice to not have screens with gaping holes.
     
  10. Chada

    Chada Member

    103
    Jul 10, 2018
    Richmond, VA
    1998 Sea Ray 370 Sundancer
    454 Mercruiser 380 HP
    I recently purchased new ones but I have not put them on yet but it took a look. It looks like it would be difficult to get to the top of the seal without removing the porthole glass did you remove the porthole glass first or were you able to get the seal up at the top?
     
  11. Creekwood

    Creekwood Well-Known Member GOLD Sponsor

    Apr 26, 2009
    Oakville and Georgian Bay, Ontario
    '97 330 Sundancer, Raymarine C80 suite with radar, Mercury 310 Hypalon w/8hp Yammie 2stk
    2X 454 carbs w/ vDrives
    I removed the glass. Made access easier. Took about 1.5 hrs to do all 4. The glue does not come off easily even with acetone.
     
  12. Chada

    Chada Member

    103
    Jul 10, 2018
    Richmond, VA
    1998 Sea Ray 370 Sundancer
    454 Mercruiser 380 HP
    Thanks
     

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