Goulds Pumps Pump VIT 6DH

Check that all the parts are in place

Verify the securing method for turbine bowl impellers

Match mark bowl assembly in sequence of disassembly

Follow procedures applicable to the construction supplied

Initial Inspection and Adjustment

Is the leakage rate exceeding two drops per second?

Stop the pump if there is no leakage or the stuffing box overheats

Allow packing to cool before restarting the pump

Reinstall the coupling guard before restarting the pump

Tighten the gland nuts one-quarter turn with the pump in operation

Allow packing to equalize against increased pressure

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

Clean driver ventilation passage to prevent overheating

Check for some leakage through stuffing box while pump is in operation

Do not tighten gland nuts unless necessary

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 to drive impeller off taperlock

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