Use preferably:
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Corn or universal stationary knife (see "Stationary Knives" in section Cutterhead, Drive, Guards, Covers).
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Corn curved or angled cutterhead knives (angled cutterhead knives on 7200-7500, if necessary). See "Cutterhead Knives" in section Cutterhead, Drive, Guards, Covers.
Install recirculating screen, if necessary.
Install kernel processor.
Install cover plate under feed rolls.
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On all models except 7200 and 7300 from SN 508100, remove front feed roll springs and loosen the rear feed roll springs to the minimum tension (see "Adjusting Feed Roll Springs" in section Feeding System.
Install corn head drive components (additional transmission on both sides, including connecting shaft).
Install and adjust scrapers on attaching frame.
Attach and prepare corn head harvesting unit according to Operator's manual recommendations.
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