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Old 11-02-2018, 04:11 PM   #21
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Originally Posted by Comodave View Post
I use a Seaflush adapter to flush the engines. Just use a paper towel to make a gasket on the strainer and bungee the flush adapter to the strainer. Use the large suction hose to suck the antifreeze into the engine from a 5 gallon bucket. I can winterize each engine in about 5 minutes without unhooking any hoses.
I saw that system - but I don't have enough clearance above the strainer to fit it in. I found a threaded polycarb temporary 'cap' for the Groco strainer that looks like it may work. I'll post after I try next week.

thanks

k
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Old 11-02-2018, 05:43 PM   #22
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WINTERIZING PLUMBING

The Fresh Water System
1. Drain the water tanks completely (just turn on all the faucets).
2.Drain water heater. Most have a drain petcock; follow manufacturer’s instructions to find it and use it. Remove both the inlet and outlet hoses, and if necessary use a shop vac to be sure of getting all the water out of it.

--The antifreeze method
3. Do NOT put antifreeze in the water heater. Connect water heater inlet and outlet hoses together to bypass it. Bypass kits for this purpose are available from boat stores and RV supply stores.
Why drain the water heater and bypass it instead putting antifreeze into it? Why Because you’d need as many gallons as the water heater tank holds—which would cost a fortune!--and it takes forever to flush that much out of it in the spring!
Add non-toxic antifreeze ("the pink stuff") and pump that through the system until all outlets--hot and cold in the galley, head, shower, and any deck wash--run only antifreeze. Leave all the faucets open to make sure there is no pressure in the system.

No antifreeze “dry” method:
1. Follow the first three steps listed above.
2. Using an air compressor, blow ALL the air out of ALL the plumbing, disconnecting it where necessary to achieve this. The first time you opt for this method can be difficult and labor intensive, but if connections are reassembled in the spring using quick-connect fittings, it becomes a lot easier in the future.

SANITATION SYSTEM
The sanitation system is the easy job:

Pump holding tank out, then rinse thoroughly to flush out any sludge. This does not require filling the tank and can even be done with sea water. Here’s how:
Put enough water into the tank via the deck pumpout fitting—because that sends the water into the tank at the bottom to stir up any sludge and hold it in suspension so it can be flushed out-- to cover the bottom to a depth of at least three inches. Pump that out. Repeat…repeat…repeat…till you’re pumping out clean water. Then add water one more time and turn on the macerator to rinse it out along with the overboard discharge plumbing.

Alternatively, you can use a washdown pump to do the whole job. Stick the nozzle into the deck pumpout out fitting and turn on the water. When the depth reaches a couple of inches, leave the water running and turn on the macerator Let both run till the water runs clean (it may be best to do this offshore outside the “3 mile limit”).
By the way, this should be done at least 2-3x a season, more often if live aboard or use your boat year round.

Now you’re ready to winterize the system.

Sea water toilet, manual or electric: Just flushing antifreeze through the bowl will not protect the intake line, the toilet pump or the bowl...it'll only go out the discharge to the tank. To protect the whole system, it's necessary to close the toilet intake through-hull, disconnect inlet hose and stick it in a gallon of non-toxic ("the pink stuff") antifreeze. Pump the whole gallon through the system into the holding tank. Do not reconnect head intake hose to the through-hull.

If your toilet inlet line is teed into the head sink drain line, you can add the antifreeze by just pouring it down the sink--after you've closed the drain seacock, of course! Pump the head or hold the button down long enough to get as much of the excess fluid out of the system as possible.

Fresh water toilet: If your toilet uses onboard pressurized fresh water, you winterized it when you winterized your fresh water system. All that remains is, flush the appropriate amount of non-toxic antifreeze ("the pink stuff") down the toilet into the tank and you’re done.

Do not use antifreeze in an ElectroScan, Lectra/San, PuraSan, or any other Type I or Type II MSD. Follow manufacturers instructions to winterize all Type I and II MSDs.

After the boat comes out of the water, open all the sea cocks to drain any trapped water.

And you’re done.

--Peggie
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Old 11-03-2018, 07:49 AM   #23
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I use a rubber "bung" / stopper with a hole to insert fittings & hose barb. Short piece of tubing to antifreeze container for winterizing all my "systems".
I let the yard do engines after/during haul out but don't see why the same approach wouldn't work there as well... doesn't take much clearance above to fit in.
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Old 11-12-2018, 09:35 PM   #24
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Winterizing: done!

Thanks so much everyone for your replies. I have a good checklist for next year.

I spoke with the yard that was caring for the tug before I arrived on the scene. Theyd winterized the fresh water system and Ive not used it at all - still full of pink so Im good there. They bypassed and drained the hot water tank so that should be covered. I have some more questions to ask them about the head (thanks Peggie).

The engine winterizing went really well. Closed seacock, hooked up hose to strainer and fired her up. Solid pink coming out the other end so I should be good. Whole process took less than 10 min (and 10 hrs of driving).

K
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