Technical data
8. install inboard bearing (169A) on shaft (122)
(fig. 87).
NOTE: Regreaseabie bearing has a single
e
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 wei/ as
demagnetizes the bearings.
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.
9. Install new O-ring (496) (Fig. 88).
10. lnstali outboard labyrinth oil seal (332A) into end
cover (109A). It is an O-ring fit. Position the
labyrinth seal drain slots at the bottom 6 o’clock
position (Fig. 88).
:fO’ Make sure the keyway edges are free of
.
NOTE: Cover the keyway lengthwise with a
piece of electrical tape prior to installing the
labyrinth seal.
73is will protect the O-rings.
496
324
I
109A
Fig. 88
11. Coat outside of bearing housing (134) ‘with oil.
12. Coat all internal surfaces of bearing frame (228A)
with oil.
13. Install shaft assembly into frame (228A,). Check
shaft for free turning (Fig. 89).
14. Install clamping bolts (370C) into bearing housing
(134). Hand tighten.
15. dnstall jacking bolts (370D) with locking nuts (423)
into housing (134). Hand tighten.
16. Attach bearing frame foot (241) with bolts (37OF).
Hand tighten.
Fig. 89