Goulds Pumps ANSI FAMILY IOM (ATEX Compliant) - Manual (Page 11)

3. Install outboard bearing (112A) on shaft (122)
(Fig. 112).
NOTE: Refer to Appendix VII-1 for detailed
outboard bearing installation instructions.
NOTE: Regreaseable bearing has a single
shield. The outboard bearing is installed with
shield toward impeller.
NOTE: There are several methods used to
install bearings. The recommended method is
to use an induction heater that heats as well as
demagnetizes the bearings.
s
! WARNING
Wear insulated gloves when using a bearing
heater. Bearings will get hot and can cause
physical injury.
4. Place lockwasher (382) on shaft (122). Place tang
of lockwasher in keyway of shaft.
5. Thread locknut (136) onto shaft (122). Tighten
locknut until snug. Bend any tang of lockwasher
into a slot of locknut.
NOTE: Tighten locknut if necessary to align the
closest tab of lockwasher with slot on locknut.
6. Place bearing retaining ring (361A) over shaft
(122), flat side facing bearing.
7. Install inboard bearing (168A) on shaft (122).
NOTE: Regreaseable bearing has a single
shield. The inboard bearing is installed with
shield away from impeller.
NOTE: There are several methods used to
install bearings. The recommended method is
to use an induction heater that heats as well as
demagnetizes the bearings.
s
! WARNING
Wear insulated gloves when using a bearing
heater. Bearings will get hot and can cause
physical injury.
NOTE: Coat internal surfaces of bearings with
lubricant to be used in service.
8. Install new O-ring (496) (Fig. 113).
9. Coat outside of outboard bearing (112A) and
bearing housing (134) bore with oil.
10. Install bearing housing (134) onto shaft/bearing
assembly.
NOTE: Do not force assembly together.
11. Insert retaining ring (361A) into groove in housing
(134) bore. Check shaft for free turning.
NOTE: The space between the ends of retaining
ring should be located in the oil return groove
so as not to obstruct oil flow.
12. Install outboard labyrinth oil seal (332A) into
bearing housing (134). It is an O-ring fit. Position
the labyrinth seal drain slots at the bottom
(6 o’clock) position.
NOTE: Refer to Appendix IV or VIII for detailed
labyrinth seal installation instructions.
NOTE: Make sure the keyway edges are free of
burrs.
NOTE: Cover the keyway lengthwise with a
piece of electrical tape prior to installing the
labyrinth seal. This will protect the O-rings.
13. Coat outside of bearing housing (134) with oil
(Fig. 114).
14. Coat all internal surfaces of bearing frame (228A)
with oil.
76
ANSIFAM IOM - 5/08
Fig. 112
Fig. 113
A
A