Goulds Pumps Pump 3355 2.5 x 4-8B-3600

Flush and clean the system thoroughly to remove dirt or debris in the pipe system.

If temperatures of the pumped fluid will exceed 93°C | 200°F, warm up the pump prior to operation.

Circulate a small amount of fluid through the pump until the casing temperature is within 38°C | 100°F of the fluid temperature.

Flow fluid from pump inlet to discharge drain for warm-up.

Soak for 2 hours at process fluid temperature.

Bring variable-speed drivers to the rated speed as quickly as possible.

Ensure set screws in the seal locking ring are tightened and centering clips removed.

Verify the driver settings and check the seal and all flush piping.

Allow all system and pump components to cool before handling

If the pumped fluid is non-conductive, drain and flush the pump with a conductive fluid

Position the pump for disassembly

6.4.6 Disassemble the discharge end ball bearing for the radial suction configuration

6.1 Maintenance schedule — Three-month inspections

Check that the foundation and the hold-down bolts are tight

Check the shaft alignment, and realign as required

Shorten the inspection intervals if conditions are harsh

6.1 Maintenance schedule — Annual inspections

Does the pump performance satisfy process requirements?

Have the process requirements changed?

Disassemble the pump and inspect it if necessary

Is the pumped fluid abrasive or corrosive?

Is the environment classified as potentially explosive?

Check the seal and all flush piping before starting the pump

Ensure the cleanliness of the pumped fluid

Verify the installation of cartridge-type mechanical seals

Disengage the holding clips of user-installed cartridge seals

Keep the manufacturer's reference drawing for future maintenance

Verify the required flush fluid and attachment points as per the seal drawing