Cornell Pump Company Pump 4NNTL

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 filling the reservoir

Was lubricant added during pump operation or shutdown?

Is there water accumulation in the reservoir?

Is the fluid level depleting rapidly?

Is there leakage of reservoir fluid from the gland?

Recommended reservoir lubricant

3200-632 Maintenance — Instructions for Mechanical Seal

Is the leakage reducing to almost zero?

Examine the assembly for proper seal installation if leakage persists

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

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 grease used for these bearings

Remove plastic cover from zerk fittings and ensure cleanliness

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

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

Ensure grease and fittings are absolutely clean

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

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

3200-326 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