Goulds Pumps 3393 - IOM - Manual (Page 58)

Maintenance
Disassembly of discharge end bearing
End and radial suction pumps - item 409 (ball bearing)
1. Make sure that there is adequate access around the pump for inspection and maintenance.
Pump must be properly secured and stable before working on it.
2. Remove coupling halves.
3. Remove seal guards (499).
4. Remove cooling fan (392) if applicable, by loosening set screw (222V).
5. Disconnect any flush piping from the mechanical seal gland.
6. Unscrew nuts (425) and back off the bearing bracket (228C) using the jacking screw (418).
7. Unscrew capscrews (371C) and confirm that the bearing housing cover (119) is free to
move.
8. Remove bearing housing (228C).
9. After the bearing bracket (228C) has been removed the shaft can be moved freely in an
axial direction (approx. 1/8”). Standard shaft seals can absorb this adjustment without their
function being impaired. In the case of special shaft selas, please follow the Operating
Instructions of the seal.
10. Remove the bearing housing cover o-ring (412). Do not reuse the o-ring.
56 Model 3393 Installation, Operation, and Maintenance Manual