Goulds Pumps Pump VIT 7WA

Check that all the parts are in place

Verify the securing method for turbine bowl impellers

Match mark bowl assembly in sequence of disassembly

Describe any issues found during inspection

Confirm all procedures applicable to the construction supplied have been followed

Clean dirt, oil, and grease from driver and discharge head

Clean driver ventilation passage to prevent overheating

Check for leakage through stuffing box while pump is in operation

Do not tighten gland nuts unless necessary

Cut two 'V' shaped grooves on the impeller wear ring approximately 180 degrees apart using a diamond point chisel.

Knock the end of one half of the ring out with a chisel or drift.

Set up the impeller in a lathe.

Machine the wear ring off using extreme care not to machine or damage the ring seat.

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

Remove capscrews securing top bowl to intermediate bowl

Slide discharge bowl and top bowl off the pump shaft

Pull shaft out and strike impeller hub

Insert screwdriver into taperlock slot and spread it open

Slide taperlock and impeller off the pump shaft

Repeat procedures until bowl assembly is completely disassembled