Bell & Gossett P82893D Series 60 In-Line Centrifugal Pumps - Manual (Page 20)

Check the rotation
WARNING:
• Operating the pump in reverse rotation can result in the contact of metal parts, heat
generation, and breach of containment.
• Always disconnect and lock out power to the driver before you perform any installation
or maintenance tasks. Failure to disconnect and lock out driver power will result in
serious physical injury.
1. Unlock power to the driver.
2. Make sure that everyone is clear, and then jog the driver long enough to determine
that the direction of rotation corresponds to the arrow on the pump.
Pump rotation is clockwise when viewed from the back of the motor. An arrow is
provided to show rotational direction.
3. Lock out power to the driver.
Lubrication requirements
These pumps are permanently lubricated.
Prime the pump
CAUTION:
Do not run the pump dry.
Make sure that the pump body is full of liquid before startup. If the system does not
automatically fill the pump body with liquid, then you must manually prime the pump.
1. Loosen the vent plugs on the pump body.
2. While venting the air from the pump body, rotate the pump shaft a few times by hand.
3. After all air has been purged from the pump, close the vent plugs.
Start the pump
WARNING:
Pressurize the pump body slowly while you check for leaks at all joints with gaskets. Failure
to follow these instructions can result in serious personal injury and/or property damage.
CAUTION:
• 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.
Commissioning, Startup, Operation, and Shutdown
18 Series 60 Installation, Operation, and Maintenance Manual