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| I have a new combine with the on board air compressor. When I get out of the combine when it is sitting idling I hear like a pulsating noise at the rear right of the combine like the air compressor is running when it is not suppose to be on. Air is coming out of a 1/4 inch rubber line on the rear right side by where you drain the engine oil. Is this normal? I described it to dealer and they claim it is normal. Not sure if it is doing this when I am combining but it is doing it every time I get out of cab. Thanks | |
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John Deere 770 combine air compressor
