Goulds Pumps 3700 - IOM - Manual (Page 64)

Maintenance
3. Pull the impeller from the shaft.
Use a spanning-type puller if required.
4. Remove the impeller key.
Save the key for reassembly unless it is damaged.
5. Remove the impeller spacer.
Save the spacer for reassembly unless it is damaged.
Remove the impeller (3700LF)
CAUTION:
Wear heavy work gloves when you handle impellers. The sharp edges can cause physical injury.
1. Loosen and remove the impeller capscrew.
The impeller capscrew has left-hand threads.
2. Pull the impeller from the shaft.
Use a spanning-type puller if required.
198 Impeller capscrew
443A Impeller spacer
122 Shaft
3. Remove the impeller key.
Save the key for reassembly unless it is damaged.
4. Remove the impeller spacer.
Save the spacer for reassembly unless it is damaged.
Remove the seal-chamber cover
1. Loosen and remove the gland stud nuts.
62 Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance
Manual