Cornell Pump Company Pump 12NNF

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

3200-625 Run-Dry Seal Instructions and Parts Page

Check the lubricant level in the reservoir

Is the lubricant level above the bottom sight glass?

Purge air from the upper circulation hose if necessary

Is there water accumulation in the reservoir?

Is the fluid level depleting rapidly?

Is there leakage of reservoir fluid from the gland?

Use recommended reservoir lubricant

3200-902 Lubrication Instructions — Oil Lubricated Frame Pumps

Check for grease fittings in the bearing cover at both ends of the frame

Apply a small amount of multiple-purpose grease to each grease fitting

Ensure all lip seals are properly lubricated

3200-901 Lubrication Instructions — Grease Lubricated Frame Pumps (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 grease used for these bearings

Remove plastic cover from zerk fittings and ensure cleanliness

Use hand-operated grease gun and pump a small amount of grease into each bearing cavity

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

Ensure grease and fittings are absolutely clean

Record the frame size from the serial number plate

3200-992 Cutter Modification Kit — Adjusting

Ensure all safety precautions are in place

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