Well the camping season is officially over for us in Eastern Washington. So I decided to winterize the unit before I took it back into the dealership for the rest of the warranty work. I did a quick search in the Forum under winterizing and started in on getting the unit ready for winter.
I took out all the canned goods, liquids and any thing else I thought might not do to good in a freezing environment. Then I crawled under the unit to look for the fresh water drain pipe that everyone talked about. Could not find it or any other valves for the waterline low spots. I finally used the 12 volt pump and opened the two valves that are in the convenience center, one red and one blue. I did not have much water in the tank and it seemed to work fine in emptying the tank. While I was pumping the water out of the fresh water tank I moved the valve to HWT bypass mode and went ahead and removed the hot water heater plug and drained it. At this point I went ahead and also shut the electric switch off that is located at the hot water heater. Once everything was drained I shut the red and blue valves and operated the valve labeled winterization. I bought a new ten foot hose from Walmart and cut it in half to suck antifreeze out of the jug. Used two rubber washers as directed on here but the pump still never operated as good as it does when pumping water out of the tank. I think there is an issue with one or more of the valves and that the pump is partially sucking air out of the empty fresh water tank. I also put my plug back in the HWT finger tight and later it had developed some pressure in there when I took the plug back out.
I did remember to flush the lines going to the washing machine prep area.
The dealer's service tech showed me where the tank drain was located but said everything else I did sounded good. The drain on my 3160 is at the very back of the unit next to the end cap.
Hope they get everything fixed and we are trouble free next year.
Tom Marty
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