Goulds Pumps 3355 - IOM - Manual (Page 55)

Parts Listings and Cross-sectional Drawings
Parts Listings and Cross-sectional Drawings
Recommended spare parts
Select spare parts that will last for two years of continuous operation. If no other guidelines are
applicable, stock the number of parts listed in this table.
Spare part Number of pumps (includes stand-by pumps)
2
3 4 5 6/7 8/9 10 or more
Number of spare parts
Impeller i i i 2i 2i 3i 30%
Diffuser i/2 i/2 i/2 i i 3i/2 15%
Wear ring, cas- 2i 2i 2i 4i 4i 6i 30%
ing
Shaft with key 1
1 2 2 2 3 30%
and shaft
screws/nuts
Ball bearing
1 1 2 2 2 3 30%
Bearing shaft 2 3 4 5 6 8 90%
nut (2 for radial
suction)
Shaft sleeve
2 2 2 3 3 4 50%
O-rings for 4 6 8 8 9 12 150%
pump casing
sets
Other O-ring
4 6 8 8 9 10 100%
sets
Mechanical
2 3 4 5 6 7 90%
seal (sets for
radial suction)
i = Number of stages
Model 3355 Installation, Operation, and Maintenance Manual 53