播种机播种前要做好播种机具的检查和播种量、行距的调整,要点如下。1．播种机技术状态检查(1)机架横梁必须平直,不得弯曲和变形。(2)链轮应在同一平面上,链条紧度适当,开沟器体间距离相等。(3)按规定调整好各间隙,调整机构要灵活,以便在工作中随时调整。(4)各部件紧固得当,应完整无缺。 Seeder sowing before planting to do a good job of sowing equipment inspection and sowing, row spacing adjustment, the main points are as follows. 1. Seeder Technical Status Check (1) Rack beams must be straight, not bending and deformation. (2) sprocket should be in the same plane, the chain tightness appropriate, the distance between the ditches equal. (3) According to the regulations to adjust the gap, adjust the organization to be flexible, in order to adjust at work. (4) The components properly fastened, should be intact.