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Stationary knife adjuster working normally, then becomes increasingly difficult to turn
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Stationary knife adjuster out of travel toward or away from cutterhead
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Stop adjusting. Install new or readjust existing cutterhead knives
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Trash between smooth roll scraper and stationary knife
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Clean
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Stationary knife contacts cutterhead
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See proper adjustment procedure
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Stationary knife making contact with cutterhead knives after cutting some crop
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Stationary knife slipped toward cutterhead after running in crop
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Turn rod counterclockwise after adjusting. Adjust rod end play
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Insufficient clearance between cutterhead knives and stationary knife
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Adjust stationary knife
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Stationary knife adjuster has excessive end play
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Thrust washers worn
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Adjust end play using top slotted nut
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More than three turns made on one adjusting rod without adjusting other side
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Use proper stationary knife adjusting procedure
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Stationary knife adjuster turning too hard
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Adjusting rod threads not properly lubricated
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See "Lubrication, Periodic Services"
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Before turning counterclockwise to back away from cutterhead, trash between smooth roll scraper and stationary knife must be cleaned out
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Clean area
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Parts rusted together
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Disassemble and remove rust
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End play adjustment too tight
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Adjust end play using top slotted nut
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