I’ve used David’s technique if I’m on the hard. It works great.
If I’m still in the water, I run the engine normally to get it warm.
then: Shut engine off.
Close inlet seacock.
Remove lid from inlet water filter (Groco).
Restart engine while pouring antifreeze in the filter.
Use a funnel if necessary.
When pink antifreeze appears at the exhaust,
Shut off engine and replace filter lid.
This system has worked well for me for > 40 years
with my C&C 30 mk1 and my C&C 41.
Remember to open the seacock in the Spring.
Winterizing the water tanks is another story.
Don Wagner
C&C 41 CB
Der Baron
West River MD
I
From: David Knecht via CnC-List
Sent: Monday, September 28, 2015 1:56 PM
To: CnC CnC discussion list
Cc: David Knecht
Subject: Re: Stus-List Winterizing -- Raw Water Intake
My solution is simpler. I found a tubing size at the hardware store that fit
snugly into the outside opening of the raw water intake. I got about 15’
piece, fill it with antifreeze and plug one end into the intake and the other
into a bucket of antifreeze on deck. I then start the engine and wait for
the antifreeze to be sucked through and come out the exit port on the transom.
It takes surprisingly long, before the suction starts. I am presuming that
means the thermostat controls the raw water flow through the heat exchanger,
not the closed loop antifreeze flow? Dave
Aries
1990 C&C 34+
New London, CT
On Sep 28, 2015, at 11:33 AM, Edd Schillay via CnC-List
<cnc-list@cnc-list.com> wrote:
Listers,
I’m thinking of adding an extra hose and a Y-Valve for the raw water intake
to make winterizing and commissioning the engine easier — as things stand now,
I need to close the through-hull, unfasten the hose clamps and pull on the hose
in a tight little area.
Has anyone done this? Any disadvantages? What type of valve did you use?
All the best,
Edd
Edd M. Schillay
Starship Enterprise
C&C 37+ | Sail No: NCC-1701-B
City Island, NY
Starship Enterprise's Captain's Log
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