Goulds Pumps 3355 - IOM - Manual (Page 42)

Maintenance
NOTICE:Standard O-rings made of EP rubber are not resistant to mineral oil or greases.
5. Slide on the shaft sleeve (104 and 126). When sliding on the shaft sleeve, make sure that
the O-ring can slide easily into the groove.
6. Insert the O-ring (412H) in the casing and secure it with silicon grease.
If possible, make sure that the O-ring is touching the outer diameter. You can pull the O-
ring in order to slightly enlarge it.
7. Carefully mount the seal cover (184). Use caution that the pin is in the correct direction
(445E) with the groove in the bearing bracket.
8. Insert the shaft sleeve key (401) and slide on the spacer sleeve (157). Make sure that the
pump spacer sleeve is assembled in the following direction:
9. Screw the bearing cover (119) to the bearing bracket (228C).
10. Grease the contact surface of the thrower (248) and bring the thrower or heat flinger (123B)
into position on the spacer sleeve (157), whichever is applicable.
The thrower sits in a groove on the spacer sleeve while the heat flinger blades need to be
positioned approximately ¾” from the bearing cover studs (356C).
Reassemble the suction end ball bearings
The variants are:
• The suction end ball bearing is a single radial ball bearing (112) for all pump sizes.
1. Clean and lubricate the fitting surfaces between the bearing bracket (228C) and suction
casing (110F).
40 Model 3355 Installation, Operation, and Maintenance Manual