Exhaust melting things under 1026r hood
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    Pedals2Paddles's Avatar
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    Exhaust melting things under 1026r hood

    Getting ready for a rainy week of tractor maintenance. I took the sides off the 1026 and found this. I am assuming this is not normal, but I also don't see anything setup incorrectly. The exhaust has melted the black plastic in the front, and has nearly destroyed the coolant overflow tank. What I have seems to match what I see in the service manual. I'm not seeing any other mention of this in the forum or general googling. So I'm stumped.

    Is it all correctly installed and something is making it be too hot?
    Is the pipe and/or muffler the wrong part?
    Is there some insulation or shielding that should be there I don't know about?
    Attached Thumbnails Attached Thumbnails IMG_20180909_095513.jpg   IMG_20180909_095557.jpg   IMG_20180909_095821.jpg  
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    Wow! That can't be normal. I wish I had some words of wisdom to offer. I believe the 1026R has a temperature gauge, is it always showing normal engine temperatures?

    I'll be interested to see what more knowledgeable folks have to say.
    BigJim55, Marlin and PJR832 like this.
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    Captain Hook Kennyd's Avatar
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    I'd suspect an exhaust leak somewhere.
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    What a thing to find when opening the hood. Yowza!
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    Quote Originally Posted by jgayman View Post
    Wow! That can't be normal. I wish I had some words of wisdom to offer. I believe the 1026R has a temperature gauge, is it always showing normal engine temperatures?

    I'll be interested to see what more knowledgeable folks have to say.
    jgayman-do u think the fan is not turning enough to keep the heat temps. down? that is some serious heat there for sure.
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    Captain Hook Kennyd's Avatar
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    There seams to be a lot of rust and corrosion for a low hour tractor? I know you don't know the history-but that thing looks like it was swamped at one time.
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    Kenny

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    jgayman's Avatar
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    Quote Originally Posted by BigJim55 View Post
    jgayman-do u think the fan is not turning enough to keep the heat temps. down? that is some serious heat there for sure.
    Doubtful. It looks exhaust related rather than overall engine temperature. I suspect Kenny might be right about an exhaust leak although it looks like two different areas. One near the overflow tank and another down further.
    Levi, BigJim55, Marlin and 1 others like this.
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    How’s the air filter? Lack of air will make the exhaust temps rise.
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    Pedals2Paddles's Avatar
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    Air filter checked, it's fine. And the tractor produces full power easily. The fan also blows aplenty. So I don't believe it's air (in or around).

    How high up the scale should the temperature gauge go? I was never up to the middle, let alone running hot. But, on that note if it should be in the middle, that could be something else I need to address. Either a stuck open thermostat or a sender being dumb.

    The only surface rust is the exhaust and a few pieces of linkage on the 3pt. Nothing else. Based on that and the seat condition, It looks like it was just routinely parked outside in the elements?

    I started it up trying to feel for exhaust leaks. I couldn't feel any. Doesn't mean there isn't but certainly nothing big.

    Perhaps I should replace the muffler and pipe? It also appears to be missing the spark arrestor at the end.
    BigJim55 and Marlin like this.
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    It looks to me like the exhaust pipe came loose form the muffler. I am saying that because it looks like there is an imprint of the the exhaust pipe in the radiator shroud just in front of the alternator & also from the way the overflow tank is burnt.
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