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1．收割台跳跃上升造成收割台跳跃上升的主要原因是液压系统的油路有空气。排出空气的方法是：松开油管接头，把油管接头的外套螺母拧出1．5圈一2圈向外放油，直到流出的油无气泡为止，然后将外套螺母拧紧。2．收割舍升降迟级门）安全阀密封性不好。原因是漏油或调整不当，使高
1. The main reason for the rise of the header to cause the header to leap upward is that there is air in the oil system of the hydraulic system. The air is discharged by loosening the tubing fitting, unscrewing the tubing nut of the tubing fitting by 1.5 turns and then 2 turns outward to drain the oil until the oil is free of air bubbles and tightening the jacket nut. 2. Harvest homes rise late door) safety valve sealing is not good. The reason is the oil spill or improper adjustment, so high