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As the combine moves through the field, the gatherer points are positioned between the cornrows. The stalk rolls pull the cornstalks down so the deck plates will snap off the ears. Trash knives prevent weeds and trash from wrapping around the stalk rolls. The gatherer chains move the ears up to the auger. The auger moves the ears to the front of the feeder house where rubber paddles feed the ears into the feeder house.
It costs time and money if the gatherer row components are worn or not properly maintained. Worn gatherer row components may result in:
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Stalk roll wrapping
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Row unit plugging
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Feeder house plugging
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Ear loss
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Pulling up of cornstalks
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Kernel damage
Two critical parts that affect productivity on a corn head are the stalk rolls and gatherer chains.
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