求翻译：6.8设备通常应置于自动运行状态，按事先调好的时间参数自动运行。禁止随意改动，以免影响供油效果。如果确需修改一定要先报主管领导批准后由专业人员进行操作，并做好修改记录。是什么意思？

6.8 equipment should normally be placed in automatic operation, to run automatically at pre-tuned parameters. Prohibited to tamper with, so as not to affect the oil effect. If you do need to modify certain approval of the competent leadership of the first repor