I've been running a 9250 combine for 5 years and have had problems shearing the bolt that runs the swing unloader from day 1 on. I have to play with shutting the drags off and on while unloading in order to not shear the bolt. I've checked the timing on the augers and its correct. I've replace the top elbow gearbox as it seized up this year already really hoping the problem is solved only to shear another bolt on the very next hoper. The bottom gear box(original) seems to turn easy with fresh oil every year it looks to be 100%. I combine beside 5 other 9250s and they hardly ever shear a bolt. I do combine a lot of lentils and I do realize the augers gum up with dirt but Y am I shearing and the others don't. I am a professional at putting in new shear bolts bolts!!! Frustrating. I even got the dealership out we went over everything and cant find nothing.
Steve9250
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714 Posts
Case IH has always had an unloading issue since the 1480 days. In rice you had to be very careful to make sure grain cart had enough room for the entire hopper load. You don't want to shut off early or you'd shear a bolt and be in for a long day. Lowering the doors helped with that but most folks around here put a 12volt A/C compressor clutch on the cross augers of their older red machines. Lankota offers a kit for shutting off cross augers while emptying the vertical and horizontal out. Works pretty good.
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