Cornell Pump Company Pump 8NNT

3200-625 Run-Dry Seal Instructions and Parts Page

Ensure the following conditions are met before proceeding

Purge air from the upper circulation hose to prevent vapor locking

Check for water accumulation in the reservoir

Check if the fluid level depletes rapidly

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

Check wear rings for damage or excessive wear

Inspect balance lines for obstructions

Ensure balance lines are not pinched, bent, or corroded

Replace balance lines if necessary

3200-902 Lubrication Instructions — Oil Lubricated Frame Pumps

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

Is the oil temperature below 150°F?

Select the oil type based on temperature

Add oil through the pipe plug opening at the top of the housing

Ensure no dirt or moisture enters during the oil change

3200-992 Cutter Modification Kit — Adjusting

Ensure all safety precautions are taken

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

Lubrication Instructions for Frame Sizes 2-5-11 and EM309

Enter the total running time between regreasing (hours)

Enter the approximate amount of grease per line fitting (cubic inches)

Select the equivalent grease used for these bearings

Remove plastic cover from zerk fittings and ensure cleanliness

Use hand-operated grease gun and pump grease into each bearing cavity

Ensure surplus grease goes through the bearing into the center part of the frame

Lubrication Instructions for Frame Sizes 6-7-8-16 (60B4 through 68B4)

Enter the total running time between regreasing (hours)