4.
Remove the outboard bearing end cover (109A) and top hat (785C). The outboard labyrinth seal
(332C) and the bearing housing gasket (360A) will come off with the outboard bearing end cover
(109A).
5.
Remove the dowel pins (469J) between the bearing housing flange and the head flange.
The connection point of the housing to the casing is referred to as the saddle.
6.
Unbolt the bearing housing from the saddle by removing the four nuts (427J).
7.
(Optional) Remove the studs (371T). It may be necessary to rotate the bearing housing in order to
remove the inboard end cover bolts (371D).
8.
Remove the oil ring (114A).
9.
Pull the bearing housing (134) off the shaft.
10. Bend lockwasher tab to allow removal of the thrust locknut (136) and the lockwasher (382).
11. Remove the oil ring sleeve (443B), which is held in place by the thrust locknut (136).
12. Use a bearing puller in order to remove the thrust bearing (112A) from the shaft (122).
The inner race on this inner duplex bearing remains on the shaft when the bearing is pulled. Re-
move this inner race by applying heat. Do this away from the pump site.
WARNING:
The pump may handle hazardous and/or toxic liquids. Trapped or undrained liquid can cause
explosions when heat is applied. Never apply heat at the pump site for this reason. Heat can
also distort machined surfaces.
122
383
333A
160 360A
443V
136
382
443B
112A
355
353
Figure 44: Thrust bearing disassembly
13. If applicable - Remove the bearing spacer (443V).
14. Remove the inboard bearing cover (160), the inboard labyrinth seal (333A), and the bearing hous-
ing gasket (360A) will come off with the inboard bearing end cover (160).
15. Remove the seal gland nuts (355) and the mechanical seal (383).
Refer to the instructions provided by the mechanical seal manufacturer.
6.4 Disassembly
74
Model 3600 i-FRAME API610 11th Edition / ISO 13709 2nd Edition to current API BB3 Multi-Stage, Axially Split Installa-
tion, Operation, and Maintenance Manual
Summary of Contents for GOULDS PUMPS 3600 i-FRAME
Page 2: ......
