Cornell Pump Company Pump 6NHTA

3200-326 Startup Checklist — Instructions for Pumps with Balance Line and Wear Rings

Inspect balance lines for obstructions

Replace balance lines if pinched, bent, or corroded

Ensure balance lines are free of obstructions

3200-632 Maintenance — Instructions for Mechanical Seal

Examine the pump for leakage from the mechanical seal

Is there any leakage from the mechanical seal?

Has the leakage reduced to almost zero since the last inspection?

Inspect the assembly for proper seal installation if leakage persists

Ensure the pump is not run dry unless equipped with Run-Dry option

3200-326 Startup Checklist — Instructions for Pumps with Balance Line and Wear Rings

Is the wear ring clearance within acceptable limits?

Inspect balance lines for obstructions

Check balance lines for pinching, bending, or corrosion

Replace wear rings if clearance exceeds .03" per side

Replace balance lines if pinched, bent, or corroded

3200-992 Cutter Modification Kit — Adjusting

Ensure all safety precautions are followed

Disconnect external connections to gain access to suction inlet of pump

Isolate and lockout all power to the pump and motor

Remove the coupling guard for manual rotation of the pump

Loosen cap screws holding stationary cutter plate to volute casing or suction cover

Bottom out the stationary cutter plate to the rotating cutter ring

Set stationary cutter plate to rotating cutter ring clearance between .010"-.020" using adjustable set screws

3200-902 Lubrication Instructions — Oil Lubricated Frame Pumps (F5K)

Verify frame size and oil capacity

Enter the oil renewal interval (months)

Ensure the pump is not operating before checking and filling oil

Measure the oil level and fill to the indicated level on the housing

Select the oil type used based on temperature

Measure the bearing frame temperature at the drain connection

Ensure no dirt or moisture enters during the oil change process