AJOR PPLIANCE b. Assortment or sets of hand M A screwdrivers (e.g., flat, Phillips, AND REFRIGERATION Roberts, torx head screwdrivers) c. Nut drivers, standard SAE and metric TECHNOLOGY d. Assortment or sets of pliers (e.g., common, needle nose, channel lock, diagonal, arc joint) PURPOSE e. ¼" drive socket set, standard SAE and To evaluate each contestant’s preparation for metric sockets employment and to recognize outstanding f. 10-12 oz. hammer students for excellence and professionalism in g. Adjustable wrenches, assorted sizes the field of major appliance and refrigeration (e.g., 4", 6", 8") technology and commercial food equipment. h. Allen wrenches, standard SAE and metric, assorted sizes First, download and review the General i. Assortment or sets of open-end and Regulations at: http://updates.skillsusa.org. box-end wrenches, standard SAE and metric j. Flashlight ELIGIBILITY k. Pocket thermometer Open to active SkillsUSA members enrolled in l. Volt-Ohm meter with standard probes programs with major appliance repair and mini electronic probes technology within its career objective. m. Amperage meter, probe or clamp-on style. Can be integrated with a Volt- CLOTHING REQUIREMENTS Ohm meter Class C: Contest Specific — n. Gloves (optional) Manufacturing/Construction Khaki Attire q. All competitors must create a one-page résumé and submit a hard copy to the • Official SkillsUSA khaki short-sleeve work technical committee chair at shirt and pants orientation. Failure to do so will result • Black, brown or tan leather work shoes in a 10-point penalty.

Note: Safety glasses must have side shields or Note: The tools listed above are a minimal goggles (prescription glasses may be used only suggestion. The contestant may bring additional if they are equipped with side shields. If not, tools at their discretion. No electric or battery- they must be covered with goggles). powered tools are allowed.

These regulations refer to clothing items that Note: Your contest may also require a hard are pictured and described at: copy of your résumé as part of the actual www.skillsusastore.org. If you have questions contest. Check the Contest Guidelines and/or about clothing or other logo items, call the updates page on the SkillsUSA website: 800-401-1560 or 703-956-3723. http://updates.skillsusa.org.

Note: Contestants must wear their official contest clothing to the contest orientation SCOPE OF THE CONTEST meeting and all MART contest functions and The contest is defined by industry standards activities. and is subject to the manufacturers involved; make sure to check website for updates.

EQUIPMENT AND MATERIALS Knowledge Performance 1. Supplied by the technical committee: The contest will include four written a. Contest appliances knowledge assessments that assess knowledge: b. Contest specialized tools 1. Technical assessment: Installing, servicing 2. Supplied by the contestant: and repairing household appliances a. Tool box, tool bag or tool case 2. Customer Relations assessment 3. Employability assessment/résumé 1.2.3 Demonstrate knowledge of All competitors must create a one-page switches: all types résumé and submit a hard copy to the 1.2.4 Demonstrate knowledge of technical committee chair at orientation. mechanical timer controls Failure to do so will result in a 10-point 1.2.5 Demonstrate knowledge of penalty. electronic controls 4. SkillsUSA Professional Development 1.2.6 Demonstrate knowledge of assessment. customer user interfaces 1.2.7 Demonstrate knowledge of drive Skill Performance systems: belts, transmissions, The contest includes a series of stations where agitators, clutches, brakes, contestants will demonstrate the ability to pulleys and multi-phase drive perform jobs and skills selected from the motors following list of standards and competencies as 1.2.8 Demonstrate knowledge of water determined by the SkillsUSA Championships heating systems: thermistors, technical committee. heaters, relays 1.2.9 Demonstrate knowledge of Contest Guidelines mechanical systems: leveling 1. The contest will assess a participant’s skill legs, suspension systems, while practicing accuracy, good cabinet/base structure, door lock workmanship, speed and the safe use of systems tools and test equipment. 1.2.10 Demonstrate knowledge of other 2. All industry standard and safety practices electrical components: will be followed and assessed as a part of alternating current line filters, this contest. capacitors, relays, solenoids, transformers, fuses, light bulbs of all types Standards and Competencies 1.2.11 Demonstrate knowledge of washer steam systems MAT 1.0 — Diagnose and repair common failures on various types of domestic top-load and front-load washing machines MAT 2.0 — Diagnose and repair common failures on various according to the manufacturer’s specifications types of domestic electric and gas dryers per manufacturer’s 1.1 Use diagnostic tools, equipment and specifications technical literature 2.1 Use diagnostic tools, equipment and 1.1.1 Display knowledge of a volt/ohm technical literature meter 2.1.1 Display knowledge of a volt/ohm 1.1.2 Display knowledge of an meter amperage meter 2.1.2 Display knowledge of an 1.1.3 Demonstrate correct use of basic amperage meter hand tools 2.1.3 Demonstrate correct use of basic 1.1.4 Demonstrate correct use of hand tools specialty tools 2.1.4 Demonstrate correct use of 1.1.5 Read wiring schematic/diagrams specialty tools and tech sheets 2.1.5 Read wiring schematic/diagrams 1.2 Understand and operate and tech sheets electrical/mechanical components 2.2 Possess the ability to service components 1.2.1 Repair problems associated with related to domestic electrical and gas systems: hoses, diverters, check dryers valves, pumps, valves and seals 2.2.1 Demonstrate knowledge to 1.2.2 Demonstrate knowledge service and repair heating associated with motors: single systems: heating elements, speed, multiple speed, multi- operating thermostats, hi-limit phase and direct current thermostats, thermistors, thermal

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fuses and motor centrifugal MAT 3.0 — Diagnose and repair common failures on various switches types of domestic refrigerators per manufacturer’s specifications 2.2.2 Demonstrate knowledge to 3.1 Use diagnostic tools, equipment and service and repair gas heating technical literature systems: safety valves, igniters, 3.1.1 Display knowledge of a volt/ohm flame sensors, operating meter thermostats, hi-limit thermostats, 3.1.2 Display knowledge of an thermistors, thermal fuses and amperage meter motor centrifugal switch, gas 3.1.3 Demonstrate correct use of basic valves, gas tubing and orifices hand tools 2.2.3 Demonstrate knowledge to 3.1.4 Demonstrate correct use of basic service and repair switches: all specialty tools types 3.1.5 Read wiring schematic/diagrams 2.2.4 Demonstrate knowledge to and tech sheets service and repair mechanical 3.2 Possess an understanding of the timer controls operation of mechanical/electrical 2.2.5 Demonstrate knowledge to components service and repair electronic 3.2.1 Demonstrate knowledge of water controls systems: hoses, water valves, 2.2.6 Demonstrate knowledge to storage tank and filters service and repair customer user 3.2.2 Demonstrate knowledge interface associated with motors and 2.2.7 Demonstrate knowledge to compressors: single speed, service and repair drive system: multiple speed, multi-phase and belts, idler pulleys and motors of direct current all types 3.2.3 Demonstrate knowledge of 2.2.8 Demonstrate knowledge to switches: all types service and repair drying 3.2.4 Demonstrate knowledge of systems: time dry, auto dry, defrost systems: mechanical sensor control dry and electronic defrost timers, electronic control dry controls, heaters, thermostat and 2.2.9 Demonstrate knowledge to thermistors service and repair mechanical 3.2.5 Demonstrate knowledge of systems: leveling legs, drum electronic controls rollers, drum support bearings, 3.2.6 Demonstrate knowledge of drum glides, door springs, door customer user interface latches and cabinet/base 3.2.7 Demonstrate knowledge of structure icemaker system; module, 2.2.10 Demonstrate knowledge to thermostat, thermistor, cube service and repair other electrical mold/tray and heater components: relays, solenoids, 3.2.8 Demonstrate knowledge of ice transformers, fuses, light bulbs of and water dispenser systems; all types auger motor, crusher mechanism, 2.2.11 Demonstrate knowledge to ice bucket components, service and repair air flow dispenser door mechanism, systems: cabinet duct system, condensation heaters and ice- blower wheels, drum/door seals, level sensing devices lint filter and air flow sensors 3.2.9 Demonstrate knowledge of 2.2.12 Demonstrate knowledge of dryer mechanical systems: leveling steam systems legs/rollers, door operation/alignment, door gasket

replacement, freezer/fresh food compartment controls

Major Appliance and Refrigeration Technology, 2020 • 3 3.2.10 Demonstrate knowledge of air- spark igniter, direct spark circulation systems: air ducts, ignition, igniter electrodes, diverters, baffles and fan motors operating thermostats, hi limit 3.2.11 Demonstrate knowledge of other thermostats, thermistors, thermal electrical components: fuses, selector switches, gas alternating current line filters, valves, gas tubing, orifices, gas capacitors, relays, solenoids, conversion fuses and light bulbs of all types 4.2.4 Demonstrate knowledge of 3.2.12 Demonstrate knowledge of switches: all types sealed system: basic refrigeration 4.2.5 Demonstrate knowledge of theory, identify/diagnose leaks mechanical controls and restrictions in 4.2.6 Demonstrate knowledge of condenser/post loop electronic controls tubing/evaporator/heat 4.2.7 Demonstrate knowledge of exchanger/drier filter, customer user interfaces compressor operation and 4.2.8 Demonstrate knowledge of self- diagnostics clean system 3.2.13 Demonstrate knowledge and 4.2.9 Demonstrate knowledge of understanding of various motors: fan, servo/actuator refrigerant gasses currently used 4.2.10 Demonstrate knowledge of in refrigeration products with a mechanical systems: leveling sealed system legs, door locks, door structure and seals, door springs/hinges, MAT 4.0 — Diagnose and repair common failures on various cabinet/base structure types of domestic electric and gas ranges per manufacturer’s 4.2.11 Demonstrate knowledge of other specifications electrical components: relays, solenoids, transformers, fuses 4.1 Use diagnostic tools, equipment and and light bulbs of all types technical literature

4.1.1 Display knowledge of a volt/ohm MAT 5.0 — Diagnose and repair common failures on various meter types of domestic microwaves per manufacturer’s specifications 4.1.2 Display knowledge of an amperage meter 5.1 Use diagnostic tools, equipment and 4.1.3 Demonstrate correct use of basic technical literature hand tools 5.1.1 Display knowledge of a 4.1.4 Demonstrate correct use of basic volt/ohmmeter specialty tools 5.1.2 Display knowledge of an 4.1.5 Read wiring schematic/diagrams amperage meter and tech sheets 5.1.3 Demonstrate correct use of basic 4.2 Possess a knowledge of cooking systems: hand tools surface cooking, standard/convection 5.1.4 Demonstrate correct use of bake and broil specialty tools 4.2.1 Demonstrate knowledge of LP 5.1.5 Read wiring schematic/diagrams and natural gas fundamentals and tech sheets and theory 5.1.6 Demonstrate knowledge of 4.2.2 Demonstrate knowledge of microwave operations: conventional electric and conventional, convection and induction cooking systems: inverter technologies heating elements, thermostats, hi 5.1.7 Demonstrate knowledge of limit thermostats, thermistors, microwave cooking theory thermal fuses, burner and 5.1.8 Demonstrate knowledge of selector switches motors: fan, servo/actuator 4.2.3 Demonstrate knowledge of gas 5.1.9 Demonstrate knowledge of cooking systems: safety valve, switches: all types

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5.1.10 Demonstrate knowledge of 6.2.4 Demonstrate knowledge of mechanical controls mechanical timer controls 5.1.11 Demonstrate knowledge of 6.2.5 Demonstrate knowledge of electronic controls electronic controls 5.1.12 Demonstrate knowledge of 6.2.6 Demonstrate knowledge of customer user interfaces customer user interfaces 5.1.13 Demonstrate knowledge of door 6.2.7 Demonstrate knowledge of water lock mechanisms heating and drying system: 5.1.14 Demonstrate knowledge of high- thermistors, heaters and relays voltage heating system: 6.2.8 Demonstrate knowledge of magnetron, transformer, mechanical systems: leveling capacitor and diode legs, cabinet/base structure, door 5.1.15 Demonstrate knowledge of lock mechanism, door structure convection components and door/tub gasket 5.1.16 Demonstrate knowledge of 6.2.9 Demonstrate knowledge of other mechanical systems: door electrical components: structure and seals, door alternating current line filters, springs/hinges, wave guide and capacitors, relays, solenoids, cabinet/base structure transformers, fuses, turbidity 5.1.17 Demonstrate knowledge of other sensors and all types of light electrical components: bulbs alternating current line filters, 6.2.10 Demonstrate theoretical capacitors, relays, solenoids, knowledge of thermal, chemical transformers, fuses, light bulbs of and mechanical energy of all types temperature, detergent, water quality and circulation MAT 6.0 — Diagnose and repair common failures on various types of domestic dishwashers per manufacturer’s specifications MAT 7.0 — Assemble a standard brazing project that exhibits all 6.1 Use diagnostic tools, equipment and techniques of brazing copper and steel tubing using technical literature brazing/connecting equipment, hand tools and specialty tools to 6.1.1 Display knowledge of a precisely complete a domestic refrigeration sealed system repair volt/ohmmeter per manufacturers’ specifications 6.1.2 Display knowledge of an 7.1 Demonstrate correct usage of the amperage meter acetylene/oxygen or turbo torch brazing 6.1.3 Demonstrate correct use of basic equipment and connection(s) joint using hand tools a refrigeration compression fitting such 6.1.4 Demonstrate correct use of basic as LOKRING specialty tools 7.2 Braze materials using heat trap paste, 6.1.5 Read wiring schematic/diagrams flux, 45-percent high silver alloy brazing and tech sheets material, 15-percent silver alloy brazing 6.2 Possess a knowledge of dishwasher rod and saddle/access valves operations 7.3 Use of basic/specialty hand tools: 6.2.1 Demonstrate knowledge of water swedging tool, tubing bender, triangular circulation system: hoses, file, burr remover, sanding cloth, valve diverters, check valves, pumps, core removal tool, triangular file or cap valves and seals tube cutter, process tube adaptor, pinch 6.2.2 Demonstrate knowledge of off tools and fitting/cleaning brush motors: single speed, multiple 7.4 Practice leak detection methods speed, multi-phase and direct 7.4.1 Follow proper safety practices: current fire extinguisher at hand, gloves, 6.2.3 Demonstrate knowledge of safety glasses and flame-retardant switches: all types mat

Major Appliance and Refrigeration Technology, 2020 • 5 MAT 8.0 — Demonstrate knowledge of installing, servicing and • Understand the modern model of atomic repairing major household appliances with practical problems and structure proper use of test equipment in a written assessment. • Use knowledge of classification of elements as metals, metalloids and nonmetals 8.1 Complete a written Technical Skills • Understand Law of Conservation of Matter assessment and Energy

• Describe phases of matter MAT 9.0 — Demonstrate ability to use spoken, written and visual • Describe and identify physical changes to language to perform competency tasks to display professional and matter personal interaction with employers • Predict chemical changes to matter (types 9.1 Fill out an employment application of reactions, reactants, products and 9.2 Submit a hard copy one-page résumé to balanced equations) the judge at the mock employer job • Use knowledge of mechanical, chemical interview (a 10-point penaly will be and electrical energy assessed if a résumé is not submitted) • Use knowledge of heat, light and sound 9.3 Interact in a mock employer job energy interview scenario • Use knowledge of temperature scales, heat 9.4 Complete a written employability skills and heat transfer assessment • Use knowledge of speed, velocity and acceleration MAT 10.0 — Demonstrate ability to use spoken, written and • Use knowledge of work, force, mechanical visual language to perform competency tasks to display advantage, efficiency and power professional and personal interaction with customers • Use knowledge of principles of electricity and magnetism 10.1 Complete a written customer relations • Use knowledge of static electricity, current assessment electricity and circuits 10.2 Interact in a mock customer relations • Use knowledge of magnetic fields and interview scenario electromagnets

• Use knowledge of motors and generators Committee Identified Academic Skills The technical committee has identified that the Language Arts Skills following academic skills are embedded in this contest. • Provide information in conversations and in • Provide information in oral presentations group discussions • Provide information in oral presentations Math Skills • Demonstrate use of such verbal communication skills as word choice, pitch, • Use fractions to solve practical problems feeling, tone and voice • Solve practical problems involving • Demonstrate use of such nonverbal percentages communication skills as eye contact, posture and gestures using interviewing Science Skills techniques to gain information • Describe and recognize elements, • Analyze mass media messages compounds, mixtures, acids, bases and • Identify words and phrases that signal an salts author’s organizational pattern to aid • Describe and recognize solids, liquids and comprehension gases • Understand source, viewpoint and purpose • Describe characteristics of types of matter of texts based on physical and chemical properties • Organize and synthesize information for • Use knowledge of physical properties use in written and oral presentations (shape, density, solubility, odor, melting • Demonstrate knowledge of appropriate point, boiling point, color) reference materials • Use knowledge of chemical properties (acidity, basicity, combustibility, reactivity)

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• Use print, electronic databases and online appreciate texts. They draw on their prior resources to access information in books experience, their interactions with other and articles readers and writers, their knowledge of • Demonstrate persuasive writing word meaning and of other texts, their • Demonstrate informational writing word identification strategies, and their • Edit writing for correct grammar, understanding of textual features (e.g., capitalization, punctuation, spelling, sound-letter correspondence, sentence sentence structure and paragraphing structure, context, graphics) • Students adjust their use of spoken, written Connections to National Standards and visual language (e.g., conventions, State-level academic curriculum specialists style, vocabulary) to communicate identified the following connections to national effectively with a variety of audiences and academic standards. for different purposes • Students employ a wide range of strategies Math Standards as they write and use different writing process elements appropriately to • Numbers and operations communicate with different audiences for a • Algebra variety of purposes • Measurement • Students conduct research on issues and • Data analysis and probability interests by generating ideas and questions • Problem solving and by posing problems. They gather, • Reasoning and proof evaluate and synthesize data from a variety • Communication of sources (e.g., print and nonprint texts, • Connections artifacts, people) to communicate their • Representation discoveries in ways that suit their purpose

and audience Source: NCTM Principles and Standards for School • Students use a variety of technological and Mathematics. For more information, visit: www.nctm.org. information resources (e.g., libraries,

databases, computer networks, video) to Science Standards gather and synthesize information and to • Understands the structure and properties of create and communicate knowledge matter • Students use spoken, written and visual • Understands the sources and properties of language to accomplish their own purposes energy (e.g., for learning, enjoyment, persuasion • Understands forces and motion and the exchange of information) • Understands the nature of scientific inquiry • Understands the scientific enterprise Source: IRA/NCTE Standards for the English Language Arts. To view the standards, visit: Source: McREL compendium of national science www.ncte.org/standards. standards. To view and search the compendium, visit: http://www2.mcrel.org/compendium/browse.asp.

Language Arts Standards • Students read a wide range of print and nonprint texts to build an understanding of texts, of themselves, and of the cultures of the United States and the world; to acquire new information; to respond to the needs and demands of society and the workplace; and for personal fulfillment. Among these texts are fiction and nonfiction, classic and contemporary works • Students apply a wide range of strategies to comprehend, interpret, evaluate and

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