Goulds Pumps Vertical Turbine Pump VIT-FF 8J

Ensure safety precautions are followed

6.4.2 Disassemble the head and column

Remove necessary components based on drive type

Uncouple the driver or gear box from the pump shaft and mounting flanges

Remove all hold-down bolts and integral piping

Remove the coupling and mechanical seal

Continue disassembly down to the bowls

Confirm completion of initial procedures

Verify mechanical seal lubrication and piping connection

Verify operation and regulation of cooling, heating, and flushing lines

Verify connections to driver and starting device match wiring diagram

Verify voltage, phase, and frequency on motor nameplate agree with line current

Rotate shaft manually to ensure impellers are not binding

Verify driver bearings are properly lubricated and check oil level in housing

Verify auxiliary seal components are properly vented

Thrust pot lubrication guidelines

Flush the oil reservoir to remove all grit particles in the oil reservoir sump

Use the specified type of oil for flushing the reservoir

Observe the instructions in the Thrust Pot IOM for oil changing requirements

Impeller Replacement Guidelines

Check impeller vanes for grooves deeper than 1.6 mm or wear more than 0.8 mm

Inspect vane edges for cracks, pitting, or corrosion damage

Remove the Bowl and Impeller Wear Rings

Remove setscrews or grind off tack welds if present

Cut two V-shaped grooves on the bowl or impeller wear ring 180° apart using a diamond-point chisel

Knock the end of one half of the ring in and pry the ring out

Machine the wear ring off for high-alloy materials using a lathe

Install the Turbine Bowl and Impeller Wear Ring

Does the pump performance satisfy your process requirements?

Pump Disassembly and Inspection