Goulds Pumps Pump VIT 8RA

Remove the driveshaft between the gear and the prime mover

Remove the electrical connections at the conduit box

Tag the electrical leads for reassembly

Uncouple driver or gear box from pump shaft and mounting flanges

Lift off driver or gear box by the lifting lugs or eyebolts

Disconnect discharge head from the discharge piping

Remove all hold down bolts and external piping

Remove coupling, packing box and proceed with disassembly down to the bowls

Warning: Never try to lift entire pump assembly by the lifting lugs or eyebolts furnished for the driver only

Remove capscrews securing top bowl to intermediate bowl

Slide discharge bowl and top bowl off the pump shaft

Pull shaft out as far as possible

Strike impeller hub using a taperlock driver to drive the impeller off the taperlock

Insert a screwdriver into the slot in the taperlock and spread it open

Slide the taperlock and impeller off the pump shaft

Repeat the procedures until the bowl assembly is completely disassembled

Remove capscrews securing top bowl to intermediate bowl

Slide top bowl off the pumpshaft

Remove capscrews and split thrust ring from pump shaft

Slide impeller off the pumpshaft and remove the key

If impeller is seized, strike with a fiber mallet to drive it off the pumpshaft

Repeat procedures until the bowl assembly is completely disassembled

Initial Inspection and Adjustment

Is the leakage rate exceeding two drops per second?

Is there no leakage or is the stuffing box overheating?

Stop the pump and allow packing to cool.

Reinstall the coupling guard before restarting the pump.

Tighten the gland nuts one-quarter turn for each adjustment.

Clean all pump parts thoroughly with a suitable cleaner

Check bearing retainers for deformation and wear

Check shafts for straightness and excessive wear on bearing surfaces

Enter the average total run-out of the shafts (in TIR per foot)

Is the average total run-out less than 0.0005” TIR per foot and not exceeding 0.005” T.I.R. for every 10 feet of shafting?

Visually check impellers and bowls for cracks and pitting

Check all bowl bearings for excessive wear and corrosion