1. By-pass line
2. Shutoff valve
3. Foot valve
4. Check valve
5. Discharge isolation valve
Other methods of priming the pump
You can also use these methods in order to prime the pump:
• Prime by ejector
• Prime by automatic priming pump
Start the pump
CAUTION:
• Immediately observe the pressure gauges. If discharge pressure is not quickly attained, stop the driver,
reprime, and attempt to restart the pump.
• Observe the pump for vibration levels, bearing temperature, and excessive noise. If normal levels are
exceeded, shut down the pump and resolve the issue.
Before you start the pump, you must perform these tasks:
• Open the suction valve.
• Open any recirculation or cooling lines.
1. Fully close or partially open the discharge valve, depending on system conditions.
2. Start the driver.
3. Slowly open the discharge valve until the pump reaches the desired flow.
4. Immediately check the pressure gauge to ensure that the pump quickly reaches the correct discharge
pressure.
5. If the pump fails to reach the correct pressure, perform these steps:
a) Stop the driver.
b) Prime the pump again.
c) Restart the driver.
6. Monitor the pump while it is operating:
a) Check the pump for bearing temperature, excessive vibration, and noise.
Commissioning, Startup, Operation, and Shutdown
56 Model 3196 i-FRAME Installation, Operation, and Maintenance Manual
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