Goulds Pumps 3610 - IOM - Manual (Page 45)

Commissioning, Startup, Operation, and Shutdown
1. Float switch
2. Suction gate valve
3. Vent plug
4. Discharge gate valve
Figure 11: Suction supply above the pump
Prime the pump with an outside supply
This method ensures that the pump will remain primed if the foot valve is tight. If the foot valve
fails when the pump is standing idle, then the pump will lose its prime. During long idle periods,
the pump can also lose its prime through leakage from the stuffing boxes.
1. Close the discharge gate valve, remove the vent plug, and open the valve in the priming
supply line until all air is expelled and water comes out of the vent openings.
2. Close the air vents, close the valve in the priming supply line, and start pump.
3. Open the discharge gate valve.
1. From outside supply
2. Shutoff valve
3. Vent plug
4. Discharge gate valve
5. Foot valve
Figure 12: Prime with an outside supply
Installation, Operation, and Maintenance Manual 43