| 摘要 |
Apparatus for indicating, to the operator of a combine, that a sieve overload or blockage has developed comprises wind sensors responsive to the fan air flow within the cleaning section of the harvester. The flow sensor signals are compensated for the ambient temperature within the combine such that they are independent thereof. The apparatus includes a monitor circuit for detecting a low flow indicative of blockage or overload and warning means responsive thereto to alert the operator.
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