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Ragged and uneven cutting of crop
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Feeder house lower shaft not at recommended speed
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Check basic speed of combine (see Combine Operator's Manual).
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Cutterbar plugged with material
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Adjust reel to sweep material off cutterbar.
Check platform and feeder house drives (see Combine Operator's Manual).
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Various parts of cutterbar worn, damaged or broken
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Check and replace all worn or damaged parts.
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Bent knife, causing binding of cutting parts
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Straighten knife.
Check guard alignment and, if necessary, align for a smooth cut.
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Cutting edge of guards not close enough or parallel to knife sections
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Adjust hold downs, replace as required.
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Incorrect knife speed
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Check feeder house belt tension and condition. Check knife drive belt tension and condition.
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