Arizona Pumps Part 2

After completing this course, the licensee should be able to:

• Name the parts that make up the power end of a reciprocating pump and describe their operation.
• Define the terms single-acting pump and double‐acting pump when given the piston ratio and motor air supply.
• Explain how the pumped fluid lubricates a reciprocating pump.
• Calculate the discharge pressure of an air-driven pump
• Compare simplex and duplex pumps
• Tell what pumps are used for metering applications.
• Describe metering pump lubrication techniques.
• Name the parts of a diaphragm metering pump and state the function of each.
• Explain the operation of a diaphragm metering pump.
• Describe the operation of a flexible-tube pump.
• Give an application for a progressing-cavity pump.
• Name one disadvantage of a sealless magnetic- drive pump.
• Explain how to prepare a new centrifugal pump for operation.
• Tell which parts of a reciprocating slurry pump require the most maintenance.
• Tell why slight leakage through shaft seals is necessary.
• Name the type of stuffing box required for pumps operating under suction lift conditions.
• Give a typical application each for cotton, Teflon® and aluminum packing.
• Describe the procedure for replacing pump packing.
• Describe a packingless seal.
• Name three types of antifriction bearings.
• Name three factors to consider when preparing pump lubrication schedules.
• Describe a typical application for both felt and synthetic bearing seals.

Tell the two major maintenance problems encountered in rotary pumps.

Approved By: Department of Environmental Quality (ADEQ) - Water Quality Division