Goulds Pumps Pump VIT 8DH

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

Ensure gland nuts are not tightened unless necessary

Ensure mechanical seal is not secured to the shaft

Verify that the shaft can move up or down within the seal assembly

Turn the adjusting plate (613) to adjust the impeller

Refer to the Outline Drawing for the correct adjustment

If pump has thrust pot, ensure thrust is installed before adjusting impeller position

Adjust impeller position using the adjust nut on the thrust pot

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

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

Match mark bowl assembly in sequence of disassembly

Check that all the parts are in place

Determine impeller securing method

Reassemble the bowl assembly following the match marks

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