Bell & Gossett DN0177 B Domestic Pump Centrifugal Pumps Series C35 - Manual (Page 24)

WARNING:
Explosion hazard. Do not pressurize the receiver. Do not plug the
overflow. Pipe the vent opening to the atmosphere. Do not restrict.
Open valves slowly.
4. Jog the motor to check the rotation. If the pump runs backwards, interchange two
wires (three-phase only).
NOTICE:
Reverse operation can cause extensive damage to pumps. Do not reverse. Jog the
motor to test for direction of rotation.
5. Observe the operation through several cycles.
Maintenance
22 Domestic ® Pumps Centrifugal Pumps Series B35, C17, C35 Installation, Operation, and Maintenance Manual