Goulds Pumps Pump VIT 7A

Remove the driveshaft between the gear and the prime mover

Remove the electrical connections at the conduit box

Uncouple driver or gear box from pump shaft and mounting flanges

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

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

Is the mechanical seal secured to the shaft?

Has the thrust been installed if the pump has a thrust pot?

Turn the adjusting plate (613) to adjust the impeller.

Refer to the Outline Drawing for the specific unit and note the correct adjustment.

Select the temperature range of the liquid being handled

Has the pump surface temperature reached equilibrium for liquids above ambient?

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

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

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

Maintain a liquid film of lubrication between the seal rubbing faces