Goulds Pumps 3393 - IOM - Manual (Page 97)

Maintenance
10. Preheat the new bearing (409) (max. 230°F) and slide onto the shaft (122) in a back to
back arrangement.
11. Replace bearing lock washer (382) and bearing nut (136A).
12. Allow the bearings (409) to cool to room temperature.
Model 3393 Installation, Operation, and Maintenance Manual 95