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Set rotor as slow as it will go and go as fast as you can feed them. I am guessing you will be doing windrowed peas. Don't set clearance to tight as wils crack and damage. Make sure you pull out blankout bars and run return to shoe, not rotor. Keep air up and look at putting perforated screen on clean grain and return to reduce any dirt in tank.
 

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Pioneer has good points. The main objective is to get the combine set to minimize cracking the peas. We run our rotor from 350-390 and if hot and dry keep backing it off as long as the peas can be shelled. One thing is the augers almost turn too fast so some have slowed down the elevators and the headers. Check auger flighting clearance in the bottom of the clean grain to make surd a pea has clearance between the tube and the flighting edge as that can split them. Either try to adjust the auger in the tube or take the auger out and trim some of the flighing so there is room for peas to fit. We have also cut a big hole in the bottom of the auger tube inside the grain tank so when empty the peas will drop straight in the tank after coming up the clean grain elevator. This keeps the peas from being chewed up as much going up the angled auger. They only go up there once the grain tank level covers the hole then you just dump sooner instead of filling the tank full. A side benefit is it also works well in wheat and it makes the tube last a long time versus always having to move the crop up the tube to drop it in the tank.

Open up the seives and then close as needed to get a clean sample. You want very little to have to go through the return and beating up the peas Run them return to clean and not return to thresh as Pioneer has pointed out.
 

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The more hyped it is the better you will do especially when tough. Run concave as tight as you can with out pinching them 1/4" range. Cylinder as slow as posible but no rumbling allowed. Hyping up with forward extended bars, steep helicals, and rotor sweeps will allow very slow cylinder speed. Cylinder speed is number one reason for splits in rotor area. As mentioned above be sure there is clearance for pea to fit between clean grain auger flighting and there trough or tube. Should be able to leave hyping you do for peas in place for other crops with no problem.
 
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