Goulds Pumps 3180-86 - IOM - Manual (Page 75)

This procedure only applies to models that have an open impeller or a Shearpeller TM .
1. Remove the hex nuts (357A) from the sideplate studs (356E).
2. Remove the sideplate (176) from the casing (100) using a pry bar in the provided slot.
3. Remove the O-ring (412C) from the groove and gasket (360P).
Impeller removal
WARNING:
Never apply heat to remove an impeller. The use of heat may cause an explosion due to trapped liquid,
resulting in severe physical injury and property damage.
CAUTION:
Use pry points under the impeller vanes to prevent impeller damage.
The pump has one of these impellers. Choose the removal procedure that applies to the impeller in the
pump:
• Open impeller
• Enclosed impeller
• Shearpeller
™
Remove an open impeller
1. Secure the back pull-out assembly firmly to the workbench.
2. Lock the shaft (122) to prevent turning.
3. Remove the impeller nut (304) and O-ring (412A).
Maintenance
Models 3180, 3181, 3185, and 3186 Installation, Operation, and Maintenance Manual 73