小麦联合收割机作业前的准备包括主要调整、主要技术状态的检查及试运转。 1.主要调整 (1)拨禾轮的调整 ①弹齿倾角的调整。拨禾轮弹齿的倾角应根据小麦生长情况调整。收获直立或轻微倒伏的小麦时,应将弹齿调成垂直向下,当收获向前或向一侧倒伏的小麦时,弹齿应调成向后倾斜15°～30°,并将拨禾轮降低和前移;当收获向后倒伏的小麦 Preparation of the wheat combine harvester before the job, including the main adjustment, the main state of technology inspection and commissioning. 1. The main adjustment (1) reel adjustment ① spring tooth tilt adjustment. The inclination of the reel gear should be adjusted according to the growth of wheat. Harvest upright or slightly lodging of wheat, the spring should be tuned vertically downward, when harvesting forward or side lodging of wheat, the spring teeth should be adjusted to tilt backward 15 ° ~ 30 °, and will Wo Wheels lower and forward; when harvesting wheat backward lodging