Auto Mechanical Work Waec Syllabus

1. Workshop safety and regulations
   • Define safety and regulation
   • Causes of workshop accidents
   • Accident prevention techniques and safety devices e.g. sand buckets, fire extinguishers, etc.
2. Tools and equipment
   • Types and uses of tools e.g. marking, measuring, holding and cutting tools.
   • Types and uses of equipment e.g. hand valve, grinding, tool etc.
   • maintenance of tools and equipment.
3. Vehicle layout
   • Types of motor vehicle chassis
   • Principal components, identification and functions (e.g. engine, transmission system, chassis, etc.)
   • Chassis maintenance.
4. Automobile Engine
   • Types of engine design.
   • Identification of the main component of an engine.
   • Line diagram of a multi-cylinder engine.
   • Types of cylinder liners.
   • Two-stroke and four-stroke cycles. (spark ignition engine and compression ignition engine).
   • Advantages of a four-stroke cycle over a two-stroke cycle engine.
   • Engine maintenance and servicing.
5. Transmission system
   • Transmission system layout.
   • Types of drives.
   • Components of transmission systems e.g. clutches and gear boxes etc.
   • Operation of simple plate clutch.
   • Types and operation of the gearbox.
   • Introduction to automatic transmission systems.
   • Conventional layout of the transmission system.
6. Suspension system
   • Types and functions of suspension systems.
   • Fault finding, maintenance and repair of the suspension system.
7. Steering system
   • Components and functions of the steering system.
   • Types of steering gearbox.
   • Manual steering fault and repairs
   • Operation of power-assisted steering.
   • Steering geometry
8. Engine lubrication system
   • Purpose and type of lubrication system.
   • Friction and its disadvantages.
   • Component part of the lubrication system.
   • Quality and viscosity of lubricants.
   • Oil additive and its importance
9. Cooling system
   • Function and type of cooling system
   • Components of water and air cooling systems.
   • Comparison of air and water cooling systems.
10. Fuels and combustion
    • Fuel component system
      • General layout and working principle of the fuel supply system.
      • Component parts and functions of the fuel supply system.
      • Types of carburetors, pumps and their maintenance
      • Types and properties of the fuel.
      • Comparison of mechanical and electrical fuel pumps.
    • Manifold and air cleaner
      • Types, functions and maintenance of:
        • Manifold
        • Air cleaner
        • Muffler
11. Braking system
    • Concept of friction, operating principles and types of
    • braking systems.
    • Faults and maintenance of mechanical and hydraulically operated braking systems.
    • Functions, advantages and disadvantages of the antilock braking system (A.B.S).
    • Layout of the braking system.
12. Wheels and Tyres
    • Types and functions of rims and tyres.
    • Vulcanizing
    • Stating regulations for tyre interchange and pressure.
    • Road wheel alignment and balancing.
13. Workshop management and enterprise
    • Basic concept of:
      • management
      • planning
      • controlling
      • staffing
      • directing
    • Managing resources
    • Concept of authority and responsibilities in enterprising.
    • Types of enterprises.
    • Advantages and disadvantages of types of enterprise in automobile.

LIST OF FACILITIES AND MAJOR EQUIPMENT/MATERIALS REQUIRED

1. Equipment : Qty Required

   Toolbox  with lock : 5

   Ball pein hammer : 5

   Hacksaws with extra blades : 10

   300 mm engineer’s rule, socket, and spanner set with ratchet  and extension : 10

   6-32mm ring and flat spanners (combined) : 5

   Ring spanners (6-32mm) : 5

   Emery  cloth (standard) : 5

   Plug spanners : 5

   Flat spanners (6-32mm) : 5

   Allen keys : 5

   Feeler gauges : 5

   Oil cans : 5

   Grease guns : 5

   Spark plug cleaners : 5

   Combination pliers : 5

   Long nose pliers : 5

   Wire cutter : 5

2. Measuring tools

   Tyre pressure gauges : 5

   Vernier calliper : 5

   Surface gauges : 5

   Surface plates : 1

   Vee blocks : 6

   Micrometre  screw gauge : 5

   Dial gauge indicator with magnetic stand : 2

3. Machine tools

   Grinding machine with assorted wheels : 1

   Bench grinder with wheels : 1

   Valve grinding machine : 1

4.                                 Joining Metals

   Blow lamps : 3

   Soldering iron : 5

5. Lubrication Bay/Tyre and Wheel Service

   Compressor (single phase motor driven type complete with spray gun, grease, hose) : 1

   Wheel balancing machine (rim 13 – 15) : 1

   Portable tyre inflator : 1

   Master Vulcanizer : 1

   Tyre changer complete with bead breaker : 1

   Tyre repair kit comprising rasp, scissors, tyre knife, Sticher, wire brush, etc. : 2 sets

   Service station set of the tool kit, plus special tools for removal of oil filter L : 2 sets

   Pipe wrench, clamp/vice : 2 sets

   Wheel alignment gauge : 1 set

   Clutch alignment jig : 2

   Injector test machine : 1

   Pullers of different sizes : 2

   Workbench with vices : 2

   Portable engine hoist : 1

6.            General/Servicing and reconditioning

   Bottle jack (hydraulic) light and heavy : 1

   Used vehicle tyres : 1

   Trolley jacks : 2

   Timing light : 1

   Inspection pits : 1

   Compression gauge : 2

   Valve spring compressor (clamp) : 2

   Coil spring compressor (for suspension) : 2

   Torque wrench pre-set type : 2

   Torque wrench dial type : 2

7. Tools/Equipment

   Piston ring compressor expander : 2

   Axle stands : 5

   Diagnostic testing machine (exhaust gas analyzer) : 1

8. Other utilities

   Fire extinguisher : 5

   Sand buckets : 5

   Water buckets : 5

   Complete engine, gearbox and final drive : 1

   Workshop overalls : 25

   Complete vehicle engine (petrol) (chart) : 1

   Complete vehicle engine (diesel) (chart) : 1

   Complete vehicle and chart : 1

SUGGESTED READING LIST

1. Motor Vehicle Technology by J.A.DOLAN
2. Motor Vehicle Technology (Part 1,2,3 & 4) by S.C . MUDD
3. Automotive Mechanics by WILLIAM H.CROUSE and DONALD L. ANGLIN
4. Fundamentals of Motor Vehicle Technology by V.A.W HILLIER and PETER COOMBES
5. Automotive Mechanics For Schools and Colleges by ABA .N.EJEMBI and STEPHEN DAVID
6. The Automobile