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Shield pipeline centrifugal pump assembly considerations

Shield pipeline centrifugal pump assembly considerations:

1. Parts cleaning, dry, according to the decomposition of the inverse order of the assembly.
2. Close to the end of the impeller parts of the bearing no straight groove, bearing end bearing with straight groove bearing.
3. Check to confirm that there is a hard alloy on one side of the thrust plate, which is composed of the friction pair of the bearing and the bearing.
4. After the rear bearing and the thrust plate assembly, the lock washer is normally locked, the inner side of the thrust plate is small in the face of the back end bearing, determine the cut part of the bearing and the key is aligned.
5. In the end cover installation of the bearing peripheral incision site on flat washer after, and then install the end cover, with the fastening screw flat gasket firmly, V-groove, installation should be geared to the needs of the thrust plate.
6. Adjusting the washer to adjust the axial clearance of the impeller to the standard range.
7. After installing the impeller and the inducer on the shaft, the lock washer must be locked.

8. In the installation, O - shaped sealing ring and stop washers should be replaced by the new, such as the use of the original gasket, you need to confirm no damage and to clean the rear can be assembled. 

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