knucklebuster
Guest
The main reason these systems screw up is cable failure. The one under the header must be free. Check out a new one and you'll see what I mean. The cable running from the cab (small console to the left of the seat) to the control is mainly only important for setting the height. My cable was broken from years of people trying to set the thing by the book, the old 2 turns from bottomed etc., you know the drill. What happens is this cable gets stuck and when you screw the knob down in the cab trying to set the thing all you are doing is compressing the braided cable sticking out of the case in to something that looks like an egg whisk. Eventually it breaks. What I did was fab up a little turnbuckle using a couple of eye bolts down by the control valve that replaces the function of the cable coming from the cab. This turnbuckle now becomes your cutting height adjustment. Not as convenient but it works. There is nothing more fun to run than a properly set up 915 header control. Beats the crap out of the step backwards electro-hydraulic system CIH came up with. If you look closely at the HHC valve you'll notice Cessna on the casting. This is the same type of system that they use to move the control surfaces on airplanes.