一、开沟犁不入土或朝下钻怎么办? 1.犁刀和犁壁上的油漆或铁锈,会影响犁的入土性能,必须铲除,再涂上机油或黄油,使之光亮润滑。 2.犁头的伸出长度,也会影响犁的入土性能。犁头不入土时,应将犁头放出;犁头朝下钻时应将犁头收进,调节到犁头入土平稳为止。二、先用人工在横头挖好二公尺长的沟型,然后将开沟犁放入沟内进行作业。三、开沟作业时,严禁在犁辕上用人力 First, the ditching does not dig into the soil or drill down how to do? 1 coulter and plow wall paint or rust, will affect the plowing into the soil performance, must be eradicated, and then coated with oil or butter, so bright and smooth. Plow the length of the plow, will also affect the plowing of soil properties. Plowshare does not soil, the plowshare should be released; Plowshare down drill should be plowshare income, adjusted to the plowshare into the soil stable. Second, the first man-made in the head dug two meters long ditch, and then ditching plow into the trench for homework. Third, when ditching, it is forbidden to use manpower on the plow shaft