脱粒机种类很多，主要包括两类机动和人力。无论哪种脱粒机，其故障主要有以下几种： １、脱粒不净主要是因喂入量过大，应减少喂入量；滚筒转速过低，一般是由于皮带松弛引起的，应张紧皮带；脱粒间隙过大，应调整间隙；作物过于潮湿，应进行晾晒。 ２、谷粒破碎主要是因脱粒 Thresher many different types, mainly including two types of mobility and manpower. No matter what kind of threshing machine, the main failure of the following categories: 1, threshing net is not mainly due to feed too large, should reduce the amount of feed; drum speed is too low, usually due to the belt caused by relaxation, should be tightened Belt; threshing gap is too large, should adjust the gap; crop is too wet, should be drying. 2, broken grain is mainly due to threshing