[C320-list] Yanmar Winterizing Blues

[Paul]

If you have air coming through the intake hose at the connection before the 
raw water strainer, it will not draw.  Try a hose clamp on your hose on the 
raw water side.  Try to keep the hose to about 5' or so.  My guess is you 
are sucking air.

Paul Adison
C320 # 722
"Rough Draft"

-----Original Message----- 
From: Mike Ott
Sent: Sunday, October 31, 2010 11:52 AM
To: Catalina 320 Association
Subject: [C320-list] Yanmar Winterizing Blues

'Amanda Lu' is now high and dry and on the hard for the winter.  I've gone 
through all "pink" stuff water systems except the raw water system on the 
Yanmar, and it's giving me trouble.  I can't get the "pink" stuff to draw 
into the engine.  I usually just use a jug with a clear hose and stuff the 
hose up the through-hull.  No luck, the engine won't draw the fluid into the 
engine.   OK, must be a bad impeller, changed it; still no luck. 
Disconnected the hose at the sea water strainer and tried to get the engine 
to draw from a bucket inside, no luck.  OK, maybe the raw water pump is 
shot.  I connect the garden hose with a regulator to the engine intake, 
turned on the hose and start the engine again, got plenty of water out the 
exhaust.
Anybody got an additional ideas ?   I've pretty much evacuated the raw water 
out of the system with these test. If I can't find the problem do you I'll 
be safe through a New England winter ?
Frustrated in CT,
Mike
'Amanda Lu'
#508