打开电柜顶盖，将您的网络连接于此处。
在更换滤网时，要按正确的操作步骤进行泄压，确定除砂罐内的压力泄尽后，才能打开除砂罐上端的顶盖，进行更换。
Make sure the pressure in the tank of the sand separator was released to zero, then open the top cap on the upper end of the tank to replace the filter screen.
先打开小的灰色的顶盖。
机顶盖检修口设有安全检测开关，形成断电安全装置，当检修口打开时自动切断电机电源，确保检修人员的人身安全。
There is safety switch at the inspection hatch of the hood. If the hatch is opened, the power of motor will automatically cut off to ensure the safety of inspection personnel.
机顶盖检修口设有安全检测开关，形成断电安全装置，当检修口打开时自动切断电机电源，确保检修人员的人身安全。
There is safety switch at the inspection hatch of the hood. If the hatch is opened, the power of motor will automatically cut off to ensure the safety of inspection personnel.
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