Course Details
Course Details
Course ID
5534
Course Name
Centrifugal Pump Training, Course #3 - Troubleshooting
Contact Hours
1.0
Approved Industry
Drinking Water and Wastewater
Partner Name
360water, Inc.
Primary Contact
Saylor Frye
saylor@360water.com
614-294-3600 Ext.
Website
Description
This is the third of four courses devoted to the Centrifugal Pump Hydraulics, Application and
Troubleshooting. This course briefly introduces the workings of a pump followed
by common troubleshooting, including the problems caused by cavitation and what should be
done in case of noisy operation. Lastly, the course discusses some general preventative maintenance
items.
Course Level
Basic thru Intermediate
Course Content
I. Abstract
II. Objectives
III. Keywords & Definitions
IV. Introduction
V. Troubleshooting
A. Centrifugal Pump Basics
1. Standard Centrifugal Pump
2. Submersible Pump
3. Self-Priming Pump
B. My Pump Isn’t Running! Why?
1. Troubleshooting Topics
a. Noisy Operation
b. Low Flow/No Flow
c. Slow Prime/No Prime
d. Air-Bound Pump
e. Loss of Prime
2. Tools Required
a. Good Set of Gauges
b. Mechanical or Strobe Tachometer
c. AMP Meter
d. Manufacturer’s Performance Curve
e. Troubleshooting Guide (Owner’s Manual)
C. Noisy Operation
1. Mechanical Noise
2. Hydraulic Noise
D. Cavitation
1. Suction Cavitation
2. Discharge Cavitation.
3. What causes cavitation?
4. How do I know what the cause is?
5. What Damage Does Discharge Cavitation Cause?
6. What Damage Does Suction Cavitation Cause?
7. Examples of Pump Damage
a. Shaft Break - Radial Fatigue
b. Shaft Break - Torsional (Twisting Break)
E. Vortexing
F. Recognizing and Preventing Air Entrainment
G. Pump Spacing
H. Possible Causes of Low Flow
I. Poss
Target Audience
Water and wastwater facility personnel
Training Format
Virtual Asynchronous