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Horizontal End Suction Pump for Chemical Process, ASME B73.1-2001
Installation, Operation, and Maintenance Manual – CPP21
27. Apply antiseize protection on the shaft thread and position the impeller. With a torque spanner, on the
shaft at the coupling side, lock the rotation of the shaft. Rotate the impeller to tighten it to the possible
extent.
Figure 8.41 Locking the shaft rotation.
28. Install the studs and nuts in the mechanical seal head.
Figure 8.42 Setting the mechanical seal.
29. Place the gasket in the case. Use packing grease to hold the gasket in place.
• The case gasket must be changed every time the case and the case cover are
disassembled and reassembled.
30. To assemble the power frame with the case, follow these steps:
a. Position the case vertically, supported over the suction.
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