Winterizing Genset water

Sicktght311

Active Member
Sep 21, 2021
108
Boat Info
Sundancer 270
Engines
7.4L MPI/Bravo3
Whats your preferred method of getting the pink through your Genset? I hate taking hoses on and off as i feel like it promotes premature wear and tear where the hose clamps are, so i'm thinking of just rigging up a 5 gallon bucket with spigot and hose, using a shopvac to blow water out of the line from the strainer housing, and then just gravity feeding 2 gallons or so into the strainer while running and shutting it off. ANyone else do the same?
 
I use the same system as I do on the two motors. Shut the seacock off and remove the cap. Go ahead and clean the strainer basket, use a wet/dry vac and get the water out of the strainer. Open and drain the muffler and leave the plug out. Pour the pink into the strainer and start the motor. Keep pouring till you can see pink coming out of the muffler drain or exhaust. If you fog the motor do it in the last minutes of winterizing the system. Once I get pink draining from the muffler I stop and put the drain plug back in. Restart the motor and fog the motor it shutdown. Keep pouring pink!

Once I get the motor done I drain the seacock and lubricant the ball inside it.
 
I just used a "fake-a-lake" attachment along with a submersible pump to winterize both motors and the genset. Vacuumed out the sea strainers and drained the mufflers first. Worked great.
 
My plan is a 5 gallon bucket of the pink stuff, small water pump in the bucket with a garden hose connected to the engine side of the raw water hose (using barb fitting/adapter) coming out of the seacock. Push the pink stuff thru until I see it exist the hull. Shop vac seacock/strainer dry, put a cup or so of pink stuff in strainer/seacock.

I used @dwna1a method on my prior gas genny/engines with no issues. I am trying to be extra careful./cautious with the new to me diesels,
 
Well in a bit of Murphys law, as it goes with boats, my genset stopped running right before i started winterizing, and cant get it to start up. I had issues with it staying running, and wouldnt see voltage at the panel, and before i could even troubleshoot it, i'm fairly certain the starter blew, so it wouldnt even turn for me to suck pink through.

So in an effort to still get it winterized, i rigged up a 5 gallon bucket, a utility pump, some 3/4" hose, and 2.5 gallons of pink. I removed the impeller from the generator (was going to replace next season anyway), removed the hose from the impeller pump housing at the top, pumped pink through until it ran out the exhaust, and then shop vac'ed out the strainer and i'll pour some pink through once its up on land. Put a couple tsp of oil in the cylinders too just for good measure, whether it helps or not because i cant get it running. Will hope for the best
 

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