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Horizontal End Suction Pump for Chemical Process, ASME B73.1-2001
Installation, Operation, and Maintenance Manual – CPP21
3. As soon as the bearing has reached the temperature of 230 °F (110 °C), place the thrust bearing on the
shaft (with the serial number visible from the outside). Keep the bearing in position until it cools down
enough to stay in place.
Figure 8.2 Positioning the thrust bearing.
• Wear sufficient hand protection to avoid personal injury.
• Important: Wait until the bearing has cooled down to room temperature before
starting the next step.
This cooling period is critical to ensure the final
contraction of the bearing before the next adjustments.
4. Position the lock washer so that it is in contact with the thrust bearing on the coupling side. The tab on
the lock washer inner diameter must be bent to fit into the small keyway recess cut into shaft threads,
to prevent rotation of the bearing lock nut.
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