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Old 10-10-2016, 09:49 AM   #1
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Winterization Tips

As a recent purchaser of a 2005 Sunseeker 3320 I have several winterizing questions. Should the coach and engine batteries be removed and put on a battery tender? I have winterized TT'S in the past but any other tips on MH winterization would be appreciated.
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Old 10-10-2016, 03:13 PM   #2
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I live in GA and we have mild winters so my answers might not be right for you. Or even right at all. I left both batteries in the RV last year and once a month drove the RV for about an hour. I ran the generator as well. I also topped off the tires and air bags. This kept everything running well through the winter.
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Old 10-10-2016, 09:34 PM   #3
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I have a 3010DS and live in VT. It gets really cold here. I don't remove the coach batteries I just turn the cutoff switch off. I leave it at outside storage.
I go over once a month and start the generator and run it under load for about 1/2 hour. I also start and run the truck for a little bit. There are some drains on the battery even with the cutoff "off" and if the batteries go to low the relay won't kick-in to power on. This year I'm going to use a solar trickle charger. Make sure you put fuel stabilizer in it before you put it away. If you don't the generator will be sick in the spring because of the ethanol absorbing water and corroding. After adding make sure you run the gen long enough to pull some through. Swing the mirrors in because the roof downspout will drain on it and you will have a massive glob of ice on the mirror. These are the only Class C special things I can think of in the winterizing process. If equipped with airbags check fill them in the spring before use because they leak down a lot.
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Old 10-11-2016, 05:04 AM   #4
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Winterization tips

Since I live in NH and the MH will be in outside storage and I will be in SC for 3 to 4 months my options are few. I probably should remove the batteries and put them on trickle charger for the winter. I have put stabilizer in gas tank and will run it sufficiently to get into generator but are there any other suggestions for it? The water lines have been drained and antifreeze has been added. Since this is my first experience with MH am I forgetting anything?
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Old 10-11-2016, 05:44 AM   #5
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Quote:
Originally Posted by peartree049 View Post
Since I live in NH and the MH will be in outside storage and I will be in SC for 3 to 4 months my options are few. I probably should remove the batteries and put them on trickle charger for the winter. I have put stabilizer in gas tank and will run it sufficiently to get into generator but are there any other suggestions for it? The water lines have been drained and antifreeze has been added. Since this is my first experience with MH am I forgetting anything?
I keep my MH at my house, but still I remove the coach batteries, bring them into my garage and put them on trickle chargers. As for the chassis, I also keep a charger (placed under the hood) on that battery via an extension cord.

If you've done the plumbing winterization, you might also be concerned with is the pesky rodents that may invade. So make whatever preparations you can for that. I recently purchased a MouseBlocker and I put everything into plastic bins that the critters might possibly try to get into.

Close your roof vents unless you have MaxxAir covers and want to keep them open a bit (I always have).

Air up your tires fully.

Fill up your fuel tank.

If you have a cover, put that on it.
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Old 10-14-2016, 12:23 PM   #6
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I can see this is going to be a lot more complicated than what it was with the TT. With the TT, I took the propane tanks off, drained the hwh, drained water lines and filled with pink stuff, towed it to storage facility, took off deep cycle battery, covered it and let it sit for about 5 months.
This MH thing with the generator, coach batteries and other stuff is a little daunting.
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Old 10-14-2016, 05:40 PM   #7
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It isn't bad at all. I didn't winterize my travel trailer the first 2 seasons myself, but did my class C for the first time last year and it is easy. I did a video of it you can see below. As I stated earlier, I leave my batteries in and run my RV once a month for an hour, including the generator. But I am in a mild climate (Georgia).

How to Winterize and RV
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Old 10-14-2016, 07:25 PM   #8
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Very informative! Thanks!
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Old 10-15-2016, 04:13 PM   #9
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If you have an icemaker don't forget to drain that, and check that the water pump sediment bowl doesn't have water in it,and we always take the batteries out of the remotes, flashlights, etc.


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Old 10-15-2016, 07:11 PM   #10
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I leave all batteries in place and start the engine and generator about once a month. We live near st. louis and have cold weather for about 4-5 months.






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