| 1. | Inspect seat for nicks and replace as needed
检查阀座是否有划痕，如果需要，则加以更换。 |
| 2. | Inspect body bore and clean surfaces of any foreign material
检查阀体镗孔，清洗表面上的任何外来杂质。 |
| 3. | Egc exhaust gas check valve
排气检查阀 |
| 4. | Inspect the disc rubber and clean or replace if required . the disc can be removed by screwing the white washer counterclockwise
检查阀瓣橡胶，如果需要，则进行清洗或更换。通过逆时针方向旋转白色垫圈螺纹就可以拆卸阀瓣。 |
| 5. | Check the sealing parts and transmission parts thoroughly . detect he sealing parts and the detecting data should be registered
对阀门周期性维护时应全面检查阀的各密封部位、传动部位，对各密封部位进行检测，对检测数据应记录在案。 |
| 6. | Check the sealing parts and transmission parts thoroughly . detect the sealing parts and the detecting data should be registered
对阀门周期性维护时应全面检查阀的各密封部位、传动部位，对各密封部位应进行检测，对检测数据应记录在案。 |
| 7. | Add lubricant to the transmission parts regularly . check the sealing filler of the valve regularly . complement or change filler avoiding leakage of medium
定期给阀的传动部位加润滑油。定期检查阀的密封填料处，补充、更换填料以防介质外泄。 |
| 8. | Add lubricant to the transmission parts regularly . check the sealing filler of the vlave regularly . complemetn or change filler avoiding leakage of medium
定期给阀门的传动部位加润滑油。定期检查阀的密封填料处，补充、更换填料以防介质外泄。 |
