1、使用收割机前，必须按规定对其运动部件进行润滑，对各部件进行调整和紧固。用手转动皮带轮，整机应转动灵活，否则应检查割刀及其他转动部件有无卡滞现象，并加以排除。2、按要求将收割机悬挂在拖拉机上，并进行空车试运转几分钟，观察有无异常现象，发现异常必须检查排除 1, before using the harvester, it must be required to lubricate its moving parts, adjust and tighten the various components. Turn the pulley by hand, the whole machine should be flexible, or should check the cutting knives and other rotating parts with or without stuck phenomenon, and be excluded. 2, according to the requirements of the harvester hanging on the tractor, and empty car test run a few minutes, observe whether there is any abnormal phenomenon, abnormalities must be checked to exclude