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). 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.

Carefully check results. After reaching the maximum acceptable fan speed, continue to make minor adjustments to the chaffer. If necessary, vary fan speed until the best results are obtained.

NOTE: Always check the result of each change before carrying out further adjustment.

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