It’s also possible the exhaust elbow has become corroded. I had to replace one because of same issue.
Steve Thorne Deja Vu On Sun, Dec 29, 2019 at 1:05 PM John and Maryann Read via CnC-List < cnc-list@cnc-list.com> wrote: > Tom > > What engine do you have? Fresh or raw water cooled? Common issue for > Yanmar is exhaust riser getting plugged by carbon etc where water enters. > Will also impact engine performance. Disconnect hose where enters exhaust > riser. If water streams, then you have your answer. Also check the > fitting where hose attaches to riser – is clear?? If not, best place is > check if any blockage at intake or strainer – maybe something got into and > plugged the hose?? A friend’s hose inlet has less than ideal configuration > and frequently sucks up eel grass and such and plugs the inlet hose. > Another culprit might be the pump impeller lost a vane and is stuck in the > system before the strainer. > > > > Just some thoughts and good luck > > > > > > John and Maryann > > Legacy III > > 1982 C&C 34 > > Noank, CT > > > > > > > > > > > > *From:* CnC-List [mailto:cnc-list-boun...@cnc-list.com] *On Behalf Of *Tom > Buscaglia via CnC-List > *Sent:* Sunday, December 29, 2019 12:15 PM > *To:* cnc-list@cnc-list.com > *Cc:* Tom Buscaglia > *Subject:* Stus-List Raw Water Blocked > > > > Alera has a blockage somewhere in the raw water system. Nothing out the > exhaust. > > > > I checked the intake and the pump. Both seem fine. But, there seems to > be no flow at the strainer. > > > > I am wondering if there is some maintenance needed for the vented loop? > It is the next link in the chain and I’m running out of links. > > Tom Buscaglia > > S/V Alera > > 1990 C&C 37+/40 > > Vashon WA > > P 206.463.9200 > > C 305.409.3660 > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > >
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