[Question] Berkeley Pump install
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Berkeley Pump install

  1. #1
    S&S
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    Question Berkeley Pump install

    I've read through a few threads that talk about how to install transom cover & where to use sealant on that part of install. From what i've read, sounds like best way to go is to use sealer/silicon to hold rubber gasket to transom adapter. Then once that is dry, use grease/vaseline between bowl o-ring & t/a. And use grease/vaseline between t/a & transom. Dab a little silicon on bolts before installing them. Does all that sound about right????? And I'm still in the dark/can't find any threads or info on whether to use any sealer/silicon on gasket between intake & pump itself or if putting the gasket on dry will seal and not leak. Putting it back together this weekend. Had a hell of a time getting the t/a off, because of silicon on it. First time doing this kind of project, looking for any ideas on what works best. Berkeley JG pump (NOT setback), has standard t/a, going back in a '79 Rogers.

    Thanks,
    Steve

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    Senior Member N2GLOCK's Avatar
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    Last year when I had my Berk repaired I used DAP Crystal Clear sealant for windows and doors. After that I had the boat out 17 times and I never experienced any leaks from the pump to intake area or transom cover. This year I had to pull the Berk to have the transom repaired and it came off easily. This week I am working on installing the pump back into the boat and I'll be using the same stuff. On the pump to intake I use a gasket and the sealant both on top and below the gasket. The transom cover gets sealant only.

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    Senior Member jetboatperformance's Avatar
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    Quote Originally Posted by S&S View Post
    I've read through a few threads that talk about how to install transom cover & where to use sealant on that part of install. From what i've read, sounds like best way to go is to use sealer/silicon to hold rubber gasket to transom adapter. Then once that is dry, use grease/vaseline between bowl o-ring & t/a. And use grease/vaseline between t/a & transom. Dab a little silicon on bolts before installing them. Does all that sound about right????? And I'm still in the dark/can't find any threads or info on whether to use any sealer/silicon on gasket between intake & pump itself or if putting the gasket on dry will seal and not leak. Putting it back together this weekend. Had a hell of a time getting the t/a off, because of silicon on it. First time doing this kind of project, looking for any ideas on what works best. Berkeley JG pump (NOT setback), has standard t/a, going back in a '79 Rogers.

    Thanks,
    Steve
    If you elect to use the TA gasket and bowl oring suggest you wipe them clean with laquer thinner or brakleen and glue the TA gasket to the Transom adaptor with an adhesive like 3M weatherstrip, 100% silicone is not the best adhesive for this and may allow the gasket or oring to "'squirm" when tightened Unless your hull transom area to be sealed is irregular I'd simply install the prepared TA dry against the boat useing a very small dab of silicone on the attaching hdwr counter sinks , suppose a little "lube" on the hull side of the gasket cant hurt. Similar procedure if your using a bowl oring, glue it in place well prior to the install and perhaps a bit of lube or thin coat of silicone when you slide on the prepared transom adaptor. Re the suction , dont recommend you use sealer at all theres sufficient surface area on the suction and intake to seal well , they seldom ever leak. if you desire you can clean and degrease everthing at the end and finish calk the perimeters of the TA and bowl connections for appearance Good Luck call if you have questions Tom


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    I use marine grease on the intake gasket.

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    Super Moderator HammerDown's Avatar
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    Quote Originally Posted by Turtle View Post
    I use marine grease on the intake gasket.
    Or, save $$$ with the name "marine" and use White Lithium (waterproof) grease > works GREAT on the suction to intake gasket. Slather it on like icing on a cake, let it squeeze out and wipe off the excess.

    PS > the great Tom Papp gave me the above tip over a decade ago
    <img src=http://www.performanceboats.com/gallery/data/500/medium/06-30-11_1234.jpg border=0 alt= />

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    Steve, Good advice here... If you have any problems shoot me a PM or call. You are fairly close. Jim

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    Senior Member old rigger's Avatar
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    Quote Originally Posted by S&S View Post
    I've read through a few threads that talk about how to install transom cover & where to use sealant on that part of install. From what i've read, sounds like best way to go is to use sealer/silicon to hold rubber gasket to transom adapter. Then once that is dry, use grease/vaseline between bowl o-ring & t/a. And use grease/vaseline between t/a & transom. Dab a little silicon on bolts before installing them. Does all that sound about right????? And I'm still in the dark/can't find any threads or info on whether to use any sealer/silicon on gasket between intake & pump itself or if putting the gasket on dry will seal and not leak. Putting it back together this weekend. Had a hell of a time getting the t/a off, because of silicon on it. First time doing this kind of project, looking for any ideas on what works best. Berkeley JG pump (NOT setback), has standard t/a, going back in a '79 Rogers.

    Thanks,
    Steve
    Your Rogers had no silicone on the TA when it left the shop, that was done by someone else.

    Never use silicone on the TA, or the big O ring, except like you said to put the gasket on the TA.

    Like Hammerdown said, white grease, not Vaseline on the o ring, inside the flange on the TA where the o ring seals and on the TA gasket where it meet the transom.

    You don't need silicone on any of the TA bolts except on the bottom two that screw into the hull.

    Silicone is never needed on a stock pump installation to make a seal.

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    S&S
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    Right on, thanks for the replies.
    Sounds like:
    1)nothing except maybe a little white grease between intake & pump, except gasket
    2)white grease on o-ring & inside lip of t/a where it contacts the o-ring
    3)weatherstrip adhesive to attach big square gasket to backside of t/a
    4)white grease between hull & t/a with the gasket attached to it
    5)nothing on long thru-transom bolts
    6)silicon sealer on two "woodscrews" on lower end
    Last edited by S&S; 05-03-2012 at 06:14 PM.

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    Quote Originally Posted by S&S View Post
    Right on, thanks for the replies.
    Sounds like:
    1)nothing except maybe a little white grease between intake & pump, except gasket
    2)white grease on o-ring & inside lip of t/a where it contacts the o-ring
    3)weatherstrip adhesive to attach big square gasket to backside of t/a
    4)white grease between hull & t/a with the gasket attached to it
    5)nothing on long thru-transom bolts
    6)silicon sealer on two "woodscrews" on lower end
    Bring that fucking thing to my house!!
    on sunday

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    Senior Member old rigger's Avatar
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    Quote Originally Posted by S&S View Post
    Right on, thanks for the replies.
    Sounds like:
    1)nothing except maybe a little white grease between intake & pump, except gasket
    2)white grease on o-ring & inside lip of t/a where it contacts the o-ring
    3)weatherstrip adhesive to attach big square gasket to backside of t/a
    4)white grease between hull & t/a with the gasket attached to it
    5)nothing on long thru-transom bolts
    6)silicon sealer on two "woodscrews" on lower end
    bingo

  13. #11
    S&S
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    Quote Originally Posted by Gone Green View Post
    Bring that fucking thing to my house!!
    on sunday
    I'll give you a call.

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