I have a speedseal. I like the engineering. I have never burnt up an impeller. I also run a globe run-dry impeller.
Josh Muckley S/V Sea Hawk 1989 C&C 37+ Solomons, MD On Wed, Jun 7, 2017, 10:20 AM ALAN BERGEN via CnC-List < [email protected]> wrote: > Have you consideered one of these: > http://www.speedseal.com/speedseal.html > I haven't tried one, but I'm considering putting one on my pump. Has > anyone on the list tried one? > > Alan Bergen > 35 Mk III Thirsty > Rose City YC > Portland, OR > > On Wed, Jun 7, 2017 at 5:51 AM, Bruce Whitmore via CnC-List < > [email protected]> wrote: > >> Hello, >> >> I replaced the impeller on a Yanmar 3JH2E about a month ago, and I was >> checking over the engine last weekend and noticed some wetness coming >> through around the impeller cover. I tightened the cover bolts (they were >> not really loose), and the leak still continues. When I replaced the >> impeller, I also replaced the o-ring, so that should not be the issue. >> That said, the old o-ring had a tear (the cover was leaking, though more so >> then). The face of the water pump was also a little rough, presumably from >> people prying with angled needle nose pliers in the process of removing >> the old impeller. That said, the cover itself was smooth, and the groove >> for the o-ring was fine as well. >> >> I personally don't like the idea of relying on Yanmar's very thin o-ring >> for sealing something that is below the water line. I am thinking about >> getting some thin cork gasket material, and cutting a proper gasket, >> applying teflon grease to it, and using a gasket instead. >> >> Is this a bad idea? >> >> By the way, our boat is a 1994 C&C 37/40+, and the way the engine is >> mounted in the boat, it is nearly impossible to get to the bolts to remove >> the water pump, and even removing the starter is not exactly a fun job, >> again due to poor access to mounting bolts. >> >> Thanks for your insights! >> >> Bruce Whitmore >> >> (847) 404-5092 (mobile) >> [email protected] >> >> _______________________________________________ >> >> This list is supported by the generous donations of our members. If you >> wish to make a contribution to offset our costs, please go to: >> https://urldefense.proofpoint.com/v2/url?u=https-3A__www.paypal.me_stumurray&d=DwICAg&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=9w3G7Cf8YfQnrjmtuNxwDJYr3JMv9f1pAfgAJ9xXYQQ&m=uwKcdScAKKKhjO8EHj-cL-FzMLAcLF3r6xt8CB5uCCo&s=z1NOOf_8fRdRMBrHVPG0SQPq4NypQ02dRIJ3l-m6wBM&e= > > >> >> All Contributions are greatly appreciated! >> >> > > > -- > Alan Bergen > 35 Mk III Thirsty > Rose City YC > Portland, OR > _______________________________________________ > > This list is supported by the generous donations of our members. If you > wish to make a contribution to offset our costs, please go to: > https://www.paypal.me/stumurray > > All Contributions are greatly appreciated! >
_______________________________________________ This list is supported by the generous donations of our members. If you wish to make a contribution to offset our costs, please go to: https://www.paypal.me/stumurray All Contributions are greatly appreciated!
