Test Content & Lesson Curriculum
Certified Water/Wastewater Maintenance Technician III CWWMT-III
| Source | Training Module Title & Description | Lesson No. | Lesson Title |
| Unit | Electrical Measuring Instruments | Lesson 1 | Principles of Meter Operation |
| 204 | Covers the principles on which electrical test instruments operate. Basic instruments covered include voltmeter, ammeter, wattmeter, ohmmeter, and meg ohmmeter. Covers AC metering, split-core ammeter, use of current and potential transformers. Includes detailed coverage of modern multi-meters. Explains functions and uses of oscilloscopes. | Lesson 2 | Ammeters, Voltmeters and Watt Meters |
| Lesson 3 | Resistance Meters | ||
| Lesson 4 | Multi-meters | ||
| Lesson 5 | Oscilloscopes | ||
| Unit | Operating & Maintaining Three Phase Motors | Lesson 1 | Principles of Three Phase Motors |
| 208 | Covers three-phase motor principles for induction, synchronous, and multi-speed dual voltage motors. Gives recommended maintenance practices for large AC motors. Covers principles of three phase motor starters, part winding, reversing, jogging, alternator principles and operation. Describes three phase power distribution. | Lesson 2 | Induction Motors |
| Lesson 3 | Synchronous Motors | ||
| Lesson 4 | Multi-speed Motors | ||
| Lesson 5 | Maintaining Three Phase Motors | ||
| Lesson 6 | Motor Starters | ||
| Lesson 7 | Three-Phase Motor Controllers | ||
| Lesson 8 | Alternators | ||
| Lesson 9 | Auxiliary Generator Systems | ||
| Lesson 10 | Power Distribution Systems | ||
| Unit | AC Control Equipment | Lesson 1 | Motor Starters |
| 209 | Covers the broad range of industrial motor starting and control equipment, including NEMA sizes and ratings. Includes pushbutton control stations, limit switches, mercury switches, mechanical and magnetic plugging, foot switches, and pressure, temperature, and float switches. Covers control panel wiring and special applications. | Lesson 2 | Switches and Controls |
| Lesson 3 | Limit Switches | ||
| Lesson 4 | Special Control Switches | ||
| Lesson 5 | Timers and Counters | ||
| Lesson 6 | Control Relays | ||
| Lesson 7 | Equipment for Hazardous Locations | ||
| Lesson 8 | Special Motor Controls | ||
| Lesson 9 | Motor Control Centers | ||
| Lesson 10 | Control Panel Wiring | ||
| Unit | Developing Hydraulic Troubleshooting Skills | Lesson 1 | Hydraulic Systems |
| 308 | Covers understanding the systems, using schematic diagrams, installation procedures, cleanliness and safety. Includes tubing cutting, bending, and flaring, identification and selection of proper fluid, and charging the system. Discusses planned maintenance specific repair/replacement recommendations, system diagnosis, and troubleshooting. | Lesson 2 | Hydraulic Schematic Diagrams |
| Lesson 3 | Installing Hydraulic Components | ||
| Lesson 4 | Installing Piping and Tubes | ||
| Lesson 5 | Selecting Hydraulic Fluids | ||
| Lesson 6 | Planning System Maintenance | ||
| Lesson 7 | Troubleshooting Systems | ||
| Lesson 8 | Troubleshooting Valves | ||
| Lesson 9 | Troubleshooting Cylinders | ||
| Lesson 10 | Troubleshooting Pumps and Motors | ||
| Unit | Developing Pneumatic Troubleshooting Skills | Lesson 1 | Pneumatic Systems |
| 310 | Covers pneumatic systems, schematic symbols and diagrams, installing system components, planned maintenance, system diagnosis, and troubleshooting. Includes maintenance of air compressors, control valves, air motors, electrical components and hybrid systems. | Lesson 2 | Pneumatic Schematic Diagrams |
| Lesson 3 | Installing of System Components | ||
| Lesson 4 | System Maintenance | ||
| Lesson 5 | Determining System Failures | ||
| Lesson 6 | Troubleshooting Air | ||
| Lesson 7 | Troubleshooting Control Valves | ||
| Lesson 8 | Troubleshooting Cylinders | ||
| Lesson 9 | Troubleshooting Air Motors | ||
| Lesson 10 | Pneumatic and Hydraulic System | ||
| Unit | Mechanical and Fluid Drive Systems | Lesson 1 | Mechanical Brakes and Clutches |
| 342 | Covers further details of Drives Maintenance, Including brakes, clutches, and adjustable-speed drives. Also covers maintenance and Troubleshooting of fluid drives and package drives. | Lesson 2 | Electric Brakes and Clutches |
| Lesson 3 | Adjustable-Speed Drives | ||
| Lesson 4 | Fluid Drives | ||
| Lesson 5 | Complete Drive Systems | ||
| Unit | Bearing and Shaft Seal Maintenance | Lesson 1 | Plain Bearings |
| 343 | Covers plain bearings, their parts, dimensions, functions, and relining techniques. Continues with installation and replacement of antifriction bearings. Also covers linear motion bearings and shaft seals. | Lesson 2 | Installing Antifriction Bearings |
| Lesson 3 | Removing & Replacing Antifriction Bearings | ||
| Lesson 4 | Mounted Antifriction Bearings | ||
| Lesson 5 | Linear Motion Bearings and Shaft seals | ||
| Unit | Pump Installation and Maintenance | Lesson 1 | Basic Pumping Concepts |
| 344 | Covers basic pumping concepts. Describes required maintenance of packing and seals. Covers maintenance and overhaul of centrifugal pumps. Concludes with maintenance of rotary pumps. | Lesson 2 | Maintaining Packing and Seals |
| Lesson 3 | Maintaining Centrifugal Pumps | ||
| Lesson 4 | Overhauling Centrifugal Pumps | ||
| Lesson 5 | Maintaining Rotary Pumps | ||
| Unit | Maintenance Pipefitting | Lesson 1 | Piping Dimensions and Terminology |
| 345 | Covers components and terminology used in piping used in piping systems. Also covers terminology, measurement, and maintenance of threaded, welded and plastic piping systems. Explains the use of pipefitting accessories, supports, traps, filters and strainers and expansion joints. | Lesson 2 | Threaded Piping Systems |
| Lesson 3 | Welded Piping Systems | ||
| Lesson 4 | Plastic Piping Systems | ||
| Lesson 5 | Pipefitting Accessories | ||
| Unit | Tubing and Hose System Maintenance | Lesson 1 | Tubing Fundamentals |
| 346 | Covers tubing specifications, materials and fittings. Explains procedures used for handling, bending, cutting and installing tubing. Gives basics of tubing in hydraulic systems. Describes hose systems and their functions. Concludes with gaskets, sealants, and adhesives. | Lesson 2 | Installing Tubing |
| Lesson 3 | Hydraulic Tubing Systems | ||
| Lesson 4 | Hose Systems | ||
| Lesson 5 | Gaskets, Sealants, and Adhesives | ||
| Unit | Valve Maintenance and Piping System Protection | Lesson 1 | Valve Maintenance |
| 347 | Covers maintenance and operation of gate, globe, ball, plug, check, and special-purpose valves. Details actuators and various accessories. Explains valve selection based on application. Describes methods of protecting piping systems. | Lesson 2 | Special Valves |
| Lesson 3 | Actuators and Accessories | ||
| Lesson 4 | Valve Inspection | ||
| Lesson 5 | Piping System Protection | ||
| Unit | Oxyfuel Operations | Lesson 1 | Welding Ferrous Metals |
| 418 | Covers the welding of ferrous and nonferrous metals. Describes oxygen cutting as well as brazing and soldering. Discusses surfacing techniques. | Lesson 2 | Welding Nonferrous Metals |
| Lesson 3 | Oxygen Cutting | ||
| Lesson 4 | Brazing and Soldering | ||
| Lesson 5 | Surfacing Techniques | ||
| Unit | Arc Welding Operations | Lesson 1 | Shielded Metal Arc Welding |
| 419 | Covers shielded metal arc welding, selecting electrodes for SMAW, gas metal and tungsten arc welding, preheating, reheating, welding ferrous and nonferrous metals, pipe welding, hard facing, and rebuilding. | Lesson 3 | Gas Metal Arc Welding |
| Lesson 4 | Gas Tungsten Arc Welding | ||
| Lesson 5 | Other Welding Processes | ||
| Lesson 6 | Preheating and Postheating | ||
| Lesson 7 | Welding Nonferrous Metals | ||
| Lesson 8 | Pipe Welding | ||
| Lesson 9 | Hard Facing and Rebuilding |
Revision 10/13/2005
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