Adjusting Fan Speed

Before adjusting the fan speed, open chaffer and sieve to the maximum recommended openings for the crop being harvested (see "Combine Settings" chart). Then start with the lowest fan speed suggested and gradually increase the speed until the maximum amount of chaff is expelled without blowing grain out of the combine or into the tailings return.

Check the results carefully. After reaching the maximum acceptable fan speed, continue to make minor adjustments to the chaffer. If necessary, keep changing the fan speed until the best result is achieved.

NOTE: Always check the result of one change at a time, before carrying out the next adjustment.

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