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
Try backwashing the raw water intake .
Sent from my iPhone
On Dec 29, 2019, at 12:15 PM, Tom Buscaglia via CnC-List
wrote:
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
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
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 i
Tom
You said: *Alera has a blockage somewhere in the raw water system. I
checked the intake and the pump. Both seem fine But, there seems to be no
flow at the strainer.*
You likely have sucked up some trash or possibly a small fish and this
blocking the raw water intake line between the intake
I had this earlier in the year, no water coming out, temperature alarm went
off. Checked impeller, pump etc and all looked good. Figured it had to be
outside the strainer, I disconnected (keeping the end of the pipe above
waterline!) and used the bellow pump from my inflatable dinghy to blow dow
e 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
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I took the elbow out. But before I did I ran the engine with the hose to the
elbow off. Water came out but at idle but it did not seem like it was
sufficient. More a dribble than a stream. Also, there was some sand like
residue in the water leading me to think that the exchanger may need som
