Screw pump removal and assembly

Screw pump removal steps: 1, the screw pump and the motor from the emptying medium (to prevent the motor, toxic medium wounding); 2, remove the screw pump discharge body (1); 3, remove the screw pump stator (4) Remove the rotor (5) and the intermediate shaft (7); 5, Remove the drive shaft (44) and the shaft seal; 6 Remove the screw pump bearings (39) (41), positioning sleeve 40), should be taken out from the bearing housing; 7, long-term without the screw pump, to be anti-rust treatment, the method is to use non-painted metal surface rust smear, including the shaft surface, packing housing cavity, and lubrication. Screw pump assembly, Precautions: 1, the screw pump parts should be carefully cleaned assembly, inspection, damaged parts should be replaced; 2, the correct installation of the shaft so that the shaft rotation flexibility, no jamming phenomenon. 3, the shaft seal installation: stuffing box (18) should be installed, the packing gland (16) should be placed in the shell installation window, so that the adjusting bolt can be adjusted easily; 4. The mechanical seal should be installed with care; Clean and coated with grease; 5, the drive shaft twenty thousand to the joint assembly, the seal should be checked for damage, fill the cavity grease; 6, when installing the stator, the rotor smear the rotor, the stator cavity surface , Is conducive to the stator installation; 7, the body pressed tight, the nut tightening should be uniform; 8, installation and assembly, the coupling installation deviation: △ Y ≤ 0.2mm, △ α ≤ 30 '.

Soap Rack/Holder

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