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#1 2004-10-15 03:36:41

Guest

Winterizing C&C MkV

Just in the process of buying a C&C 27 MkV.

This is my first boat and I have no idea about the winterization process.

It has a diesel.

Any suggestions will be much appreciated

#2 2004-10-15 11:37:05

Guest

Re: Winterizing C&C MkV

First, try The Store (Mason's chandlery) for a check list of what to do - you can also Find various checklists by searching the net
Engine:
Do an oil change.
Disconnect the water intake hose, put it in a bucket of antifreeze, turn on the engine, and keep it running till you see antifreeze comming out the exhaust. (After haul out, that is)Don't wait - do it as soon as you can.  Use the enviromentally friendly "Blue" stuff from any marine store.
Loosen off the belt to reduce pressure on the shaft.
Disconnect the batteries - and take them home to be warm (if you are energetic that is)
Fill the fuel tank to prevent condensation, and add some diesel fuel additive.
Pump out, and pore a bit of anti-freeze down into the holding tank. (the pink stuff from the marine store)
Empty the water tank, then pour in pink anti freeze and pump at the sink till the anti freeze comes through.
Take the plug out of the base of the head and drain any water out.
After the mast is down check the rigging throuroughly for borken wire strands or cracked terminal ends - replace anything that needs replacing now (it's 20 years old, you know!)
Check the hull for cracks or blisters, check the shaft & propeller to make sure everything is nice and tight.  Play in the shaft? Check the cutless bearing.
Take everything you can out of the cabin and home for the winter - it gets very humid in there.
Wash the interiour, spray Lysol air freshener everywhere, put the cover on top and go make a to-do list for spring.
Enjoy the MKV - they are great boats.
Distant Thunder
MKV Hull#69

Last edited by (2004-10-17 04:27:44)

#3 2004-10-15 13:21:49

Guest

Re: Winterizing C&C MkV

Just to add to Jim's list, there is a drain cock on the engine (Yanmar 1GM10) that will drain the water out of the head.  It is a black plastic knurled thumb screw on the starboard side about half way back along the engine.  It's a little hard to find until you know where it is.  I open that up after following the antifreeze procedure.  Don't forget to close it later!  I also like to drain the water or antifreeze out of the water muffler can.

#4 2004-10-16 00:00:55

davidww1
Member

Re: Winterizing C&C MkV

I don't understand the point of draining the engine after putting antifreeze in it. Antifreeze provides, in addition to the more obvious function, some anti-corrosive properties. If you dump it, you lose that function.

As Jim Wente points out, boats can get very damp during freeze/thaw cycles. Rather than simply close the boat up, I put a tarp on a frame over it and open it up as much as possible. I used to leave all the hatches and lockers open, but a racoon took up residence in a neighbour's boat one winter, so to avoid that, I made a winter companion hatch that is essentially a wire-mesh-covered hole, to let air in and out. That's not perfect, but the boat seemed to be dry when I visited early in the spring. I also give the engine a good spraying with WD-40 to minimize external corrosion.

The original poster doesn't say where he is but if it gets much below freezing, he should make sure the batteries are well charged and will hold that charge through the winter. A discharged battery can freeze, crack and leak its acid into the boat. Taking the batteries home is safer; it also gives you an easy opportunity to top them up half-way through the winter and just before they go back on board.

David Weatherston
Towser, Toronto
C&C 27 Mk IV


David Weatherston
Towser, Toronto
C&C 27 Mk IV

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#5 2004-10-17 12:06:19

Jim
Member

Re: Winterizing C&C MkV

so, guest, where are you with that new (used) MKV ?

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#6 2004-10-17 12:55:06

Guest

Re: Winterizing C&C MkV

Toronto.

#7 2004-10-18 00:16:44

davidww1
Member

Re: Winterizing C&C MkV

You now have Jeitinho? Where have you taken her?

On another note (as you wanted info on looking after a Mk V), look at "Cracked Swage" in Black Arts. As the report notes, the problem is not as threatening as it initially seems, but you might want to replace the item.

David Weatherston
Towser, Toronto
C&C 27 Mk IV


David Weatherston
Towser, Toronto
C&C 27 Mk IV

Offline

#8 2004-10-18 00:50:18

Guest

Re: Winterizing C&C MkV

The boat is actually named Aurora - out of Outer harbour marina. She's being surveyed today and assuming everything is good with the bottom - she's mine.

Anyone know this boat?

#9 2005-04-24 13:26:32

Guest

Re: Winterizing C&C MkV

As I understand it, the Yanmar 1GM has a heat sensor that opens to let sea water cool the engine when the engine reaches a certain high temperature.  If you are running antifreeze in through the intake and the engine is not at running temperature you might just miss the engine head, which is cut out of the water cooling circuit when the engine is cold.  I guess the antifreeze would get in there if you did the deed while the engine was super hot. 
CC Mark V "Ripple"

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