The wheat combine harvester is a large-scale agricultural machine with a complex structure. In the course of operations, it often affects the harvest due to a failure. The author learned through consulting agricultural machinery experts that in the field operations, common faults and troubleshooting methods:
1. The knife is blocked. Due to the low speed of the reciprocating knife and the small cutting force, the mast should not be cut off. The throttle should be increased to increase the engine speed; the cutter is jammed by debris. The debris should be cleared to remove debris; when the gap between the cutters is too large, the gap between the cutters should be adjusted. The gap at the front end of the insert is 1.0. The backlash is 1.0 to 1.5 mm. If the cutter bar or the blade is deformed, it should be promptly corrected or replaced.
2. The head of the header is blocked. The speed of advance is too fast, the amount of feed is too large, and the load on the conveyor is too great. Should stop and clean up the auger and reduce the speed of advancement, increase the cutting height appropriately, or reduce the cutting width.
3, jamming roller blocking. Combine the harvester too high, feed too much, or the crop orange bar moisture content is too high, can cause the barrel to jam. Should stop and clean the threshing drum, reduce the forward speed of the locomotive, increase the rotation speed of the threshing drum, or appropriately reduce the cutting width.
4, row grass blocked. The main reason is that the transmission belt is too loose and the transmission belt should be tightened. Sometimes damp straw can also block the row of wheels. The grass should be cleared and the speed of the locomotive reduced or the cut width reduced.
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