The mounting steps of screw pump

late screw pump in use process may appear all sorts of fault, then we will need to remove the maintenance of screw water pump, so in view of the screw water pump breakdown maintenance member steps need to be aware of the dismantling of the screw pump at this moment, convenient screw pump fault d disassembly and assembly assembly later! Screw pump disassembly steps: 1, screw pump and motor from emptying medium ( To prevent motor, toxic medium cuts) ； 2, remove the screw pump eduction body;

3, remove the screw pump stator, according to the pump shaft when the steering wheel shaft for auxiliary; 4, remove the rotor, and intermediate shaft;

5, remove the shaft and the shaft seal; 6, long-term unused screw pump, to make antirust processing, methods for metal surface with antirust grease onto the paint, including axial surface, packing shell lumen, etc. , and lubrication. Screw water pump assembly, the matters needing attention: 1, the assembly should be screw pump parts cleaning, carefully check, the damaged parts should be changed; 2, two universal joint transmission shaft assembly, should check the seal for damage, within the cavity filling grease; 3, correct installation of the bearing axis flexible rotation, no jam phenomenon. 4, shaft seal installation: packing box, when installation should make packing gland hold-down bolts position within the shell to install window, facilitate the wrench to adjust the bolt; 5, eduction body pressure tight timing, tighten nut should be uniform; Six, mechanical seal installation should be careful, friction pair end surface should be clean and coated with grease; 7, installing a stator, rotor with lubricating oil daub, stator inner cavity surface, is advantageous to the stator installation; 8, installation, assembly, coupling installation deviation: delta Y 0 or less. 2毫米,△α≤30。

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