Special pump factory professional sharing: CYZ self-priming oil pump start and stop pump precautions

( 1 ). Preparation and inspection of CYZ self-priming oil pump before starting:

1. CYZ centrifugal oil pump, according to the working condition of the pump, use high-quality calcium-based butter and No. 10 oil for lubrication. If the pump is lubricated with grease, it should be regularly filled with grease into the bearing housing, and the oil-lubricated pump should be used. If the oil level is insufficient, it will be added.

2. Check whether the liquid in the CYZ self-priming centrifugal oil pump casing is higher than the upper edge of the impeller. If it is insufficient, the liquid can be injected directly into the pump body from the filling port on the pump casing, and should not be insufficient in liquid storage. In the case of starting operation, the pump will not work properly and the mechanical seal will be damaged.

3. Check if the rotating parts of the CYZ self-priming centrifugal oil pump are stuck or bumped.

4. Check whether the CYZ self-priming centrifugal oil pump body foot and the joint nut are loose.

5. Check the coaxiality or parallelism of the CYZ self-priming centrifugal oil pump shaft and the motor shaft.

6. Check whether the inlet pipe of the CYZ self-priming centrifugal oil pump leaks. If there is air leakage, it must be removed.

7. Open the valve in the suction line and slightly open (not fully open) the outlet control valve.

( II ). CYZ self-priming oil pump stop pump

1. First, the gate valve on the discharge line must be closed.

2. Stop the CYZ self-priming oil pump .

3. In the cold season, the liquid in the pump body and the water in the cooling chamber of the bearing body should be emptied to prevent cracking of the machine parts.