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Maintenance of axial flow pump and mixed flow pump

1. Check the pump shaft and the drive shaft is caused by the bending due to transport, such as there is need straightening.

2. Pump installation elevation must be in accordance with the provisions of the product specifications, to meet the requirements of the requirements of the cavitation and start.

3. Water tank before the water should be provided with a bar, to avoid the debris into the pump. Water passes through the gate of the dirt to no more than 0.3 M / s.

4. Pump installation before the need to check whether the installation angle of the blade is in line with the requirements, whether the blade is loose, etc..

5. After installation, should check the coupling and the nut are screwed foot bolt. Tighten the nut on the shaft and the pump shaft is to pay attention to the direction of the screw thread.

6. The drive shaft and the pump shaft must be installed on the same vertical line, allowing the error to be less than 0.03 mm / m.

7. The pump outlet pipe should be supported by the other support, and the pump body should not be supported by the pump body.

8. Pump water pipeline is not suitable to install the valve, if there is a start must be fully open.

9. When using the reverse check valve, it is best to install a balance hammer, in order to balance the gravity of the door cover, so that the pump more economical operation.

10. For butter lubrication of the transmission device, the maintenance of the bearing oil chamber should be washed clean, re injection with a lubricant, the amount to fill the oil cavity of 1 / 2 ~ 2 / 3 is appropriate, avoid running bearing temperature rise too high. Must pay special attention to the rubber bearing must not touch the oil.

 

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