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  1. #1

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    Winterizing on PWC Hoist? Can the machine be level to eject the water?

    I generally winterize on the trailer but this year I needed to use my two place PWC hoist. I was able to let enough air out of the tanks to get the SHO perfectly level for the oil change but it seemed like the times I ran the engine 10-15 seconds and did the usual revs/blips as per manual, I wasn't seeing any water--mind you it would land in the lake. I'm probably overly sensitive because usually I can see the puddles under the machines.

    Can anyone tell me if the water is forced out regardless of the angle of the machine or do I need gravity to help it along? Thanks!


  2. #2
    Ski Hacks MG's Avatar
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    Remove clamp, remove water box hose, shop vac.

  3. #3

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    Thanks. Good option. I still wonder if most of the water is out of the water box if the machine is level when burping or revving per the manual. Anyone?

  4. #4
    Nope, still full of water. Ive tested this theory on many skis.

    use a siphone tube or even an oil extractor. Unless you have a small tube for you shop vac to get all the way to the bottom of your box.

    You could pull It out, take it to the welder, and have him tig weld you a nice drain port

  5. #5

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    Quote Originally Posted by kwtony View Post
    Nope, still full of water. Ive tested this theory on many skis.
    Thanks kwtony that's what I thought but want sure if the pressure would compensate.

    Much appreciated.

  6. #6
    Ski Hacks MG's Avatar
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    A tiny bit of water left in the system is not a huge ordeal.

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  8. #7

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    I have never purged the water other than sitting on the trailer and revving it a few times. Trailer being mostly level. Been using this method 25 yrs and it gets to -20F here. Remember the waterbox is not full of water, it just has an inch or so after blipping and freezing an inch of ice in an open area doesn't hurt anything. (especially one that is curved on the sides). The factory instructions are all you need to follow.

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