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Row units on right-hand side of machine not planting.
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Right-hand drive shaft cotter pin sheared.
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Repair cause of pin shearing and replace cotter pin.
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Row units on left-hand side of machine not planting.
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Left-hand drive shaft cotter pin sheared.
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Repair cause of pin shearing and replace cotter pin.
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All row units not planting on machine.
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Bolt in countershaft sprocket to seed transmission sheared.
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Repair cause of pin shearing and replace cotter pin.
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Consistent shearing of drill shaft cotter pin.
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Drill shaft not aligned properly.
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Loosen bearing and align shaft.
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Drive wheel chain consistently falls off.
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Chain may be too long.
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Remove offset link.
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Chain links stiff.
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Oil or replace chain.
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Chain dislodged by trash.
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Add chain shields.
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