SCHEME OF WORK Module / Unit Title: Course / Subject Title: Prepared by: Awarding Body: Lesson Duration: REMOVE AND REPLACE LIGHT VEHICLE ENGINE UNITS AND COMPONENTS City & Guilds NVQ Level 2 Course City & Guilds NVQ Level 2 in Vehicle Maintenance and Repair Level 2 LEARNING OUTCOMES: The student must be able to: 1. Explain the operation of units and components in light vehicle engine systems 2. Describe legislative and organisational requirements 3. Describe testing and removal procedures for light vehicle engine systems IMI Motor Vehicle L1 Steve Joyce City & Guilds 2 Hours 34Weeks Start Date: End Date: 1 Date What topics will be covered? What will learners’ do? 1 Key/Basic Skills: What resources are needed? Students will be asked questions on the learning outcomes and the plan for the year. IWB Syllabus Scheme of work 4 Stroke Cycle & 2 Stroke Cycle. Basic engine terms and layouts Through group work and movement the learners will memorise the four stroke cycle. Introduce students to the 2 stroke cycle. Introduce students to basic engine terms and layouts. Learners will complete various tasks throughout the session including: Question Time, Learning through Movement and incomplete handouts. IWB Model Engines OHT Models Handouts Engine Components – Piston, Crankshaft & Camshaft Students will examine various engine components and discuss their construction and function Students will explain their findings on the component given to them. IWB Piston Crankshaft Camshaft Valve Timing, Compression Ratio & Swept Volume Complete valve timing exercise, Complete Swept Volume calculations. Complete Compression Ratio Tri Domino Exercise. Through completion of various activities throughout the session. IWB Valve Timing Presentation Swept Volume Handout Tri Domino cards Introduction to the unit 2 3 How will learning be checked? 4 Identify the learning outcomes for the year. What Independent Learning / Homework will be set? 2 What topics will be covered? What will learners’ do? Cylinder Head layout - Combustion Chamber and Piston Design Discuss the relationship between the piston crown and the combustion chamber Terms related to Hydrocarbon fuels – Volatility – calorific value, flash point, octane rating and cetane rating Basic introduction to emissions and fuels used in Motor Vehicles How will learning be checked? Key/Basic Skills: What resources are needed? What Independent Learning / Homework will be set? Piston – Domed, dished and Flat crown Students will have to isdentify different combustion chamber designs. 5 6 Through discussion and note taking. Questions and answer sessions throughout the lesson. Question and Answer IWB Study Auto CDX OCTOBERHALF TERM 7 Combustion Processes – Gasses that are expelled from the exhaust as a result of the combustion process Examine the content of the exhaust gas, identify what the perfect exhaust gas would consist of and what actual exhaust gas consists of. Students will have to explain what each of the following represents in the combustion process: HC CO CO2 O2 IWB PowerPoint presentation 3 Date 8 9 10 11 What resources are needed? What topics will be covered? What will learners’ do? How will learning be checked? Air filtration system – Construction and Purpose. Exhaust system – Construction & Purpose Examine the Air supply and exhaust system fitted on Modern Motor Vehicles Questions will be asked on: Exhaust Construction Air supply requirements Introduction to the lubrication system. Identifying pumps, pressure relief valves, filters and oil ways Discussions will take place on the importance of various components and the role that they play within the lubrication system Handouts IWB Explore lubrication terms through group research. Put a list wish together for the properties of oil Question time on Lubrication Terms Compare their wish list of oil properties with actual properties of oils. IWB Study Auto Handouts Examine the construction of the vehicles heating system, identifying major components. Watch a DVD on Air Conditioning Complete handouts throughout the lesson. Answer questions on the Air Conditioning DVD Engine Lubrication Systems – Splash & Pressurised. Components – Pumps, Pressure Relief Valves, Filters, oil ways & oil coolers. Lubrication terms – Full-flow, Hydronamic, boundary, viscosity, multi grade, natural and synthetic oils. Requirements of a good oil Layout and construction of internal heating systems. Inc Air conditioning basics Key/Basic Skills: What Independent Learning / Homework will be set? IWB CDX IWB Handouts Study Auto DVD 4 Date 12 13 14 What resources are needed? What topics will be covered? What will learners’ do? How will learning be checked? Inline & Rotary Diesel Fuel Systems – Principles and requirements of a CI Engine Work through incomplete handouts on diesel fuel systems Summative questions after each topic area covered Examine various components and explore their function and operation through discussion Group feedback sessions to clarify theories and key points identified within the discussion process. IWB Study Auto Examine various components and explore their function and operation through discussion Group feedback sessions to clarify theories and key points identified within the discussion process. IWB Study Auto Function & operation of components – Fuel filters, Sedimenters, injectors, injector types, single & Multi hole & pintle nozzle types. Governors, fuel pipes, glow plugs and cold start devioces. Turbo chargers and Intercoolers Christmas Break Key/Basic Skills: What Independent Learning / Homework will be set? IWB Powerpoint Handouts Christmas Break 5 Date 15 16 What will learners’ do? How will learning be checked? Petrol Injection Systems – Single & Multi Point injection. Identification of sensors and actuators Work through presentation that introduces SPI & MPI. Compare the two systems Examining students’ comparisons between the two systems. Identifying the sensors and actuators included in the students comparisons IWB SRS IWB SRS Operation of injection systems, modes of injection. Function and operation of sensors. Identify different modes of injection e.g. Phased continuous sequential semi continuous. Discuss the function of various sensors Question and Answers Students will describe the function of at least two sensors each Function and operation of actuators. Identify various actuators and explore their function and operation through research. Explaining the function and operation of actuators researched. Introduction to a basic ignition system. Introduction into electronic ignition system. Compare the two systems By discussing the outcomes of the students comparisons. 17 18 Layout of electronic ignition systems. Advantages over conventional systems. Key/Basic Skills: What resources are needed? What topics will be covered? What Independent Learning / Homework will be set? LRC IWB HGL Motors Website Ignition Board (Conventional) Ignition rig (Distributless) IWB 6 Date 19 20 What topics will be covered? Electronic Ignition components. Operation of system over a range of engine speeds and loads. Introduction to Engine Management – Open & Closed Loop Systems What will learners’ do? Identify major components used in Electronic Ignition systems. Examine dwell increase/decrease in relation to engine load Introduce the students to management systems that control both fuel and ignition. Explore the application of open & closed loop management systems How will learning be checked? Key/Basic Skills: What resources are needed? Question and Answer Discussions IWB PowerPoint Study Auto Handouts Questions posed by SRS presentation IWB SRS Crankshaft Engine block & pistons OHV Cylinder Head What Independent Learning / Homework will be set? Reading/Activity Week 21 22 Inspecting engines and components – Clearances settings, adjustments etc Carry out practical activities, measuring clearances and settings Practical observations Symptoms and faults associated with poor engine operation. Noise, smoke low power, misfiring, running on etc Examine the effects that excessive clearances or incorrect settings can have on an engine Question and Answers Discussion 7 Date 23 24 What topics will be covered? Symptoms and faults associated with engine systems – Heating system – Diesel fuel system – Petrol Injection System – Lubrication System & Ignition System Symptoms and faults associated with engine systems – Heating system – Diesel fuel system – Petrol Injection System – Lubrication System & Ignition System What resources are needed? Question and answers Examine various symptoms and faults on a range of engine systems Question and answers Symptoms and fault charts IWB Handouts Revision Engines Revise engine topics in preparation for end test, Weeks – 1 to 5 + 21 to 22 End Test results in coming weeks Students notes Revision Lubrication Revise engine topics in preparation for end test, Weeks – 9 + 10 End Test results in coming weeks Students notes Easter Holidays Examine various symptoms and faults on a range of engine systems Key/Basic Skills: Symptoms and fault charts IWB Handouts 25 26 What will learners’ do? How will learning be checked? What Independent Learning / Homework will be set? Unit Revision 8 Date What topics will be covered? What will learners’ do? How will learning be checked? Key/Basic Skills: What resources are needed? Easter Holidays Unit Revision Revision Fuel Revise engine topics in preparation for end test, Weeks – 12 to 17 + 23 to 24 End Test results in coming weeks Students notes Revision Ignition Revise engine topics in preparation for end test, Weeks – 18 to 19 End Test results in coming weeks Students notes 29 Phase test Sit Phase Test 30 Portfolio building, revision if required for re-sit of phase test Build portfolios or prepare for End test Resit 27 What Independent Learning / Homework will be set? 28 Phase Test Results Phase Tests Students work Portfolios 9 Date 31 How will learning be checked? Key/Basic Skills: What resources are needed? What topics will be covered? What will learners’ do? Portfolio building, revision if required for re-sit of phase test Build portfolios or prepare for End test Resit Students work Portfolios Portfolio building, revision if required for re-sit of phase test Build portfolios or prepare for End test Resit Students work Portfolios Phase test Re-sit Sit Phase Test Portfolio building Build portfolios What Independent Learning / Homework will be set? Spring Half Term 32 33 Phase Test Results Phase Tests 34 Students work Portfolios 10