Goulds Pumps 3393 - IOM - Manual (Page 87)

Maintenance
Assembly of discharge end bearing
End and radial suction pump - item 409 (ball bearing)
1. Clean and lubricate the fitting surfaces between the bearing bracket (228C) and discharge
casing 110D).
2. Position the bearing cover (119) with the bearing isolator (333A) over the shaft.
3. Verify that the bearing spacer (157) is in place against the shaft shoulder.
4. Preheat the new bearing (409) (max. 230ºF) and slide onto the shaft (122) in a back to back
arrangement.
5. Replace bearing lockwasher (382) and bearing nut (136A).
6. Allow the bearings (409) to cool to room temperature.
7. Tighten the bearing locknut (136A) until resistance is felt when rotating the bearing outer
races in opposite directions by hand.
8. Replace the bearing bracket (228C) and align with the shaft (122) and seal chamber (184).
9. Reinstall and tighten nuts (425) to proper torque values.
10. Install the bearing cover (119) to the bearing housing with cap screws (371C) and tighten
to correct torque values.
Model 3393 Installation, Operation, and Maintenance Manual 85