Goulds Pumps 3393 - IOM - Manual (Page 56)

Maintenance
Radial suction pump - item 112 (ball bearing)
See relevant sectional drawing.
NOTICE:The sump cover (119A) is generally not removed. If it must be removed, remove
screws 371S and remove cover. The cover has a sealant between it and the bearing housing.
Clean this off carefully. When reinstalling the sump cover (119A) use a uniform bead of
Loctite® 5699 between the sump cover and the bearing housing. Be careful to avoid getting
sealant in the holes for the cap screws (371S).
1. Make sure that there is adequate access around the pump for inspection and maintenance.
Pump must be properly secured and stable before working on it.
2. Remove seal guards (499). These are not shown but cover the openings in the bearing
housing.
3. Disconnect any flush piping from the mechanical seal gland and lock the mechanical seal in
accordance with manufacturer's recommendation.
4. Unscrew nuts (425) and back off the bearing bracket (228C) using the jacking screw (418).
5. Unscrew cap screws (371C) and confirm that the bearing housing cover (119) is free to
move.
6. Remove bearing housing (228C).
7. Remove the bearing housing cover o-ring (412). Do not reuse the o-ring.
8. Bend back the lock washer tab (382) and remove bearing nut (136A) and lock washer
(382).
9. Remove bearing (112) with a suitable bearing puller.
54 Model 3393 Installation, Operation, and Maintenance Manual