Goulds Pumps 3910 11th ed. - IOM - Manual (Page 34)

DISASSEMBLY OF STANDARD
GREASE LUBRICATED POWER END
This section covers disassembly of standard ring oil or
optional purge oil mist lubricated power end. For power
ends with optional features (pure oil mist lubrication,
bearing cooling, etc.), refer to the appropriate section.
1. Loosen and remove thrust bearing end cover/bearing
frame screws (370N).
2. Pry thrust bearing end cover (109A)/INPRO (123A)
with O-ring (412, not shown) out of bearing frame
(228). SA thrust bearing end cover is sealed to the
bearing frame with a gasket (360A) (Fig. 17).
3. Remove and discard thrust bearing end cover shims
(390C). Replace with new shims during reassembly.
(Not applicable to pumps with SA bearing frame.)
4. Withdraw shaft/bearing assembly carefully from
bearing frame (228).
$
CAUTION
Do NOT remove bearings from shaft unless
they are to be replaced.
5. Bend locking tang of thrust bearing lockwasher (382) from
notch in bearing locknut (136) (Fig. 18).
NOTE: Save bearings for inspection.
6. Loosen and remove thrust bearing locknut (136) and
lockwasher (382).
7. Press or pull duplex thrust bearing (112) from shaft
(122).
8. Remove grease shelf (253) from shaft (122).
9. Press or pull radial bearing (168) from shaft (122).
NOTE: Save bearing for inspection.
10. Loosen and remove radial bearing end cover / bearing
frame screws (370P) (Fig. 19). Omit this step on SA
pumps. Radial INPRO Oil Seal (123) is pressed in
place and sealed with an O-ring (Fig. 20).
11. Remove radial bearing end cover (119A)/ Radial
INPRO (123) with gasket (360) or Radial INPRO
(123) (SA pump only) from bearing frame (228) by
tapping out of fit in frame.
34
3910-1
1th IOM 5/08
Fig. 17
Fig. 18