Goulds Pumps 3171 - IOM - Manual (Page 43)

Remove the impeller
CAUTION:
Wear heavy work gloves when you handle impellers. The sharp edges can cause physical injury.
1. Loosen the set screw at the end of the impeller nut.
2. Loosen and remove the impeller nut.
The impeller nut has left-hand threads.
3. Pull the impeller from the shaft.
Use a spanning-type puller if required.
100 101 178 199 198
122
4. Remove the impeller key.
Save the key for reassembly unless it is damaged.
5. For L group models only, do the following:
a) Remove the casing (100) to adapter (108) bolts.
b) Remove casing. Do not remove casing collar (155) at this time.
c) Remove the adapter (108) to column bolts.
d) Remove the adapter. Do not remove steady bearing (197) at this time.
192/30 370G 536G 357V
100
155
Maintenance (Continued)
Model 3171 Installation, Operation, and Maintenance Manual 41