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Old 11-08-2019, 03:01 PM   #1
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Forest River Owners Club
Freightliner Owners Club
Join Date: Feb 2005
Location: Gig Harbor, WA
Posts: 545
Winterize 2012 Coachmen RDC385DS

We purchased this 2012 Coachmen last year, and the dealer winterized it for us. This year, I did it, like I've been doing for decades....

I really could not figure out how to suck anti-freeze into the system from an anti-freeze jug.

The generic instructions from Forest River are almost useless.

I used a hand pump to put anti-freeze into the fresh tank fill, and the Black tank flush line.

I hooked up the hose to the City In Line and thought if i moved the valve, in the first photo, it would suck the fluid in... That did not work.

I finally ended up using another power pump I had and hooking that to the City In Line with values open, inside, to get the "pink" into all the lines and "ON DEMAND" water heater.

So.... I have this done, but I sure wonder if there is a better/simpler way to do this.

I'm looking for someone who had this or a very similar layout, not someone with "general advice..."

I'd really like to know what that valve in photo 1 does.

Thanks, in advance....
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2012 Coachmen Sportscoach RD385DS, Freightliner Chassis, Cummins 340HP ISB Turbo Diesel
2007 Saturn Ion 3 Toad
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coachmen, winter, winterize

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