Proper Submergence of Inlet to Avoid Vortex

If a pump suction is not placed an acceptable distance from the surface of the liquid, the pump can experience vortexing.  Similar to cavitation, with the loss of efficiency and damage that can occur to the pump, vortexing is the result of too much water relative to the pit/sump depth being drawn into the suction… Read more »

Tuesday Tip: Easy Shaft Sleeve Removal With No Special Tools!

Often, pump maintenance and repairs are done out in the field with no access to shop tools. One of the most common maintenance tasks is replacing the shaft sleeve. Did you know there’s an easy way to remove the shaft sleeve, using only two hammers? This method works so well that it is often preferred… Read more »

Tuesday Tips –Poor Discharge Piping

Last week, we looked at poor suction piping; but mistakes can be made on the discharge side as well! The problems in the graphic below are what Cornell has seen most commonly causing piping issues on the discharge side. We encourage you to thoroughly look at your Operations & Maintenance manual (O&M) that came with… Read more »

Tuesday Tip: Is your piping the problem?

Most issues with pump performance occur on the suction side, and many of these are due to poor piping practices. Here are some common issues that can arise and cause problems:

Tuesday Tip: Use Your Checklist at Start-up!

Last week, we talked about the importance of having your Operations and Maintenance (O&M) Manual handy for maintenance and repair on your pump—those are great times to reference your guide. Another great time though, is when the pump arrives! The O&M manual will help familiarize you with the pump operation, and importantly should have a… Read more »