Goulds Pumps 3393 - IOM - Manual (Page 54)

Maintenance
Disassembly of suction end bearing
End suction pump - item 117 (sleeve bearing)
See relevant sectional drawing
NOTICE:It is not recommended to remove the product lube bearing (197A) unless it is worn or
damaged.
NOTICE:Replacement of this bearing requires removal of the pump from the pipework and
baseplate.
1. Unbolt the pump from the piping system and baseplate.
2. Support the pump vertically with the suction casing uppermost.
3. Remove the balance line and any seal flush piping.
4. Remove the tie rod nuts (357F) and tie rod washers (437A) on the suction end of pump.
5. Remove suction casing (100S). Bearing 197A will be in the suction casing. Remove the o-
ring (412K).
6. Remove capscrew (469Y) and retaining plate (467).
7. Remove sleeve bearing (117) and tolerance rings (505D) from the end of the shaft.
8. Inspect the bearing sleeve for damage and check the clearance between the sleeve
bearing and the stationary bearing.
9. Unless the stationary bearing (197A) is worn or damaged it should not be removed from the
suction casing.
10. If necessary, remove stationary bearing (197A) from the suction casing being careful to
avoid damage to the casing..
52 Model 3393 Installation, Operation, and Maintenance Manual