First, the threshing is not clean: Reason: too much feed or feed uneven; there is a threshing gap between the pattern bar and the concave plate; the drum speed is too low; the grain is too wet. Adjustment method: 1, reduce the amount of feed, uniform feeding. 2. Correctly adjust the threshing gap. Replace the seriously worn parts. 3, the pulley of the power machine and the thresher pulley should be reasonable. If the pulley slips and turns, the tension pulley should be adjusted to tighten the belt. 4, straw wet grain should be properly ventilated, then drying and then threshing. Second, the poor cleanliness of the grain: Reason: The lack of fan air flow, most of the fan is too loose, forming a belt drive slip, causing the fan speed can not reach the design index, or due to the looseness of the fan pulley screw, forming a pulley idling, can not be driven normally Fan rotation; too much crop stalk entry into the drum. Repair methods: 1. Check the tightness of the fan drive belt. If it is too loose, adjust the tension pulley properly to tighten the pulley to an appropriate level. If the fan pulley is loose, tighten it. 2, reduce the amount of feed or feed the gap correctly. Third, the excessive fragmentation of the grain: Reason: threshing gap is too small or the drum speed is too high; uneven feed or grain too dry, too wet. Adjustment method: 1. Check whether the threshing gap is correct. The minimum gap of general wheat threshing should not be less than 4 mm. In addition, it is necessary to check whether the matching of the drum pulley and the power pulley is reasonable and accurate. If something is wrong, it should be adjusted or replaced. 2, as far as possible to ensure uniform feeding, more dry cereal feed, humidity and feed. 4. Excessive grains discharged from the dust outlet: Reason: Exhaust volume is too large; pit holes are blocked. Repair method: 1, first check whether the fan speed meets the requirements, if not meet the adjustment, adjust the fan pulley diameter should be checked properly. 2. Stop and power off to clear the blockage of the concave plate hole. V. Severe blockage: Cause: Cereals are too wet and the amount of feed is too large; the drum speed is too low; the rollers are damaged due to damage to the drum; the gravure plate is heavily worn or damaged; the feed chain slacks or the clip gap is too large. Drum pull too much grass. Adjustment method: 1, appropriately reduce the amount of feed, and maintain uniform feeding. 2, check whether the power is sufficient or the voltage is too low, and whether the power is reasonable. At the same time, it is also necessary to check the tension of the power transmission belt and whether or not the pulley slips. 3. If the roller bar is damaged, it should be repaired in time. 4, repair or replace the concave plate. 5, adjust the tension of the feed chain, but also pay attention to check the suction fan belt tension and fan speed.
Essential Oils
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