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I Have 914 P pickup head on my 9760 for doing canola. Hired man did not do the nicest job of swathing this year so lots of little gobs, makes the slip clutches go off a lot more than usual (which I thought was too much to begin with!). always on the feed auger / drum, seems like its protecting what goes up into the feeder house a little too much, doesn't seem to take too much of a wad to have the clutch go off.


just a question what experience with the 615 or MacDon had been like compared to 914, do they have a little more torque on the feed auger or same problems? combine could chew threw a lot more material if the I could get it through the header faster!
 

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Sir--first off, I've never run a 914P, I've had similar experiences on auger head crossauger slipclutches. What happens is the slip clutch assembly gets "polished" from slipping too much, I have a couple that are literally polished to a mirror finish. Once that happens, they won't hold no matter how tight you make the spring. You can hold them in your hands and press them together and turn, and they just spin-even though the "waves" are not worn down, just polished. OR--you have the slip clutch way overgreased, with grease in the actual clutch ring, not just the shaft. Same principle.

Get new clutch "wavy rings". They are not very expensive. Install and tighten to spec, and I think you will be surprised how much better it works.
 
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