Goulds Pumps NM 3196 i-FRAME - IOM - Manual (Page 55)

Packed stuffing box option
WARNING:
Packed stuffing boxes are not allowed in an ATEX-classified environment.
The factory does not install the packing, lantern ring, or split gland.
These parts are included with the pump in the box of fittings. Before you start the pump, you must install
the packing, lantern ring, and split gland according to the Packed stuffing box maintenance section in the
Maintenance chapter.
Pump priming
Prime the pump with the suction supply below the pump
Use a foot valve and an outside source of liquid in order to prime the pump. The liquid can come from
one of these sources:
• A priming pump
• A pressurized discharge line
• Another outside supply
1. Close the discharge isolation valve.
2. Open the air vent valves in the casing.
3. Open the valve in the outside supply line until only liquid escapes from the vent valves.
4. Close the vent valves.
5. Close the outside supply line.
This illustration is an example of priming the pump with a foot valve and an outside supply:
1
2
3
4
5
1. Discharge isolation valve
2. Shutoff valve
3. From outside supply
4. Foot valve
5. Check valve
This illustration is an example of priming the pump with a foot valve using a bypass around the check
valve:
Commissioning, Startup, Operation, and Shutdown
Model NM 3196 i-FRAME Installation, Operation, and Maintenance Manual 53