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Horizontal End Suction Pump for Chemical Process, ASME B73.1-2001
Installation, Operation, and Maintenance Manual – CPP21
a. Each of the wear rings of the impeller (two, one for each side) is inserted into its position (to the
limit where it stops) using a press or a rubber mallet.
Figure 8.23 Positioning the wear rings of the impeller.
b. Insert the wear ring completely in the shoulder of the case using a press.
Figure 8.24 Positioning the wear ring.
c. Insert the wear ring completely in the shoulder of the case cover using a press.
Figure 8.25 Positioning the wear ring.
22. To position the mechanical seal in the power frame, first check the drawing of the mechanical seal, to be
sure of assembling the seal at its correct position. Now:
a. Grease the mechanical seal ring and install it manually in the mechanical seal head.
Wear ring
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