螺杆式空压机的启动步骤是什么？
What are the starting steps of screw air compressor?
答：在空压机启动前首先要按照启动前的检查项目进行检查无异常后再启动;
Answer: before starting the air compressor, first check according to the inspection items before starting, and then start it after there is no abnormality;
（1）按下“启动”按钮，启动后，“启动”指示灯应亮，机组开始运行。
(1) Press the "start" button. After starting, the "start" indicator light should be on and the unit starts to run.
（2）2s左右机组自动加载，进气阀打开，润滑油压表、排气压力指针上升。
(2) After about 2S, the unit automatically loads, the inlet valve opens, and the lubricating oil pressure gauge and exhaust pressure pointer rise.
（3）启动加载后，检查油位是否在正常范围。
(3) After starting the loading, check whether the oil level is within the normal range.
（4）各连接部位有无漏气、漏油或漏水现象，启动次数1h内应不超过3次。
(4) Whether there is air leakage, oil leakage or water leakage at each connecting part, and the number of starts shall not exceed 3 times within 1h.
（5）投入空压机联控。
(5) Put the air compressor into joint control.
