NAPPS SCHEME OF WORK SECONDARY FOR SENIOR SECONDARY SCHOOL (SS1 – 2)
3RD TERM
AUTO- MECHANICS
| Weeks | SS1 | SS2 |
| 1. | Identification of electrically operations Unit in the vehicle e.g. wiper, horn starter motor etc | Function and main Component of lighting system and simple circuit diagram of automobile lighting system |
| 2. | Fundamental of electricity and basic electrical terms and components e.g. Current, Voltage | Auxiliary Circuit-sketch and state their function e.g. instrument panel, horn, Radio etc |
| 3. | Representation of electrical unit with signs and symbols e.g. switch, fuse, coil, relay etc | Function and Component part of fully computerized ignition system e.g. E.C.U, Input Sensors, Output sensors and connecting wiring |
| 4. | Ohms law and simple calculation on electricity | Charging System and its main component parts e.g. Alternator, battery, cutout voltage and current regulator-State their function |
| 5. | Sources of electrical power (Direct Current DC) and (Alternating Current AC) | Use of battery testing instrument e.g. Hydrometer, High rate discharge tester, Voltmeter etc. Calculate Battery rating |
| 6. | Electrical measuring instruments e.g. Voltmeter, Ohnmeter, Ammeter etc | Purpose/function of the air conditioner and Heating/ventilating system |
| 7. | The Circuit (wring system)e.g. Erath return and insulated return system | State mechanical component parts of the auto air conditioner and their functions |
| 8. | Color codes used in circuit e.g. Back, red, etc | Identify and state electrical component parts of the auto air conditioner and state their function e.g Battery and composessor |
| 9. | Joining of cables e.g. Joining terminal connection and soldering | Fault tracing-Use appropriate diagnostic equipment to trace faults. |
| 10. | The Coil ignition system and its component parts and function. | Care and maintenance of air conditioner |
| 11. | Operation of the Coil ignition system | Locate faults in the lighting system, align head lamps and replace bulbs and fuses |
| 12. | Layout and Function of the starting system and its component parts | Locate and rectify starting problems and on ignition system |
| 13. | EXAMINATION | REVISION AND EXAMINATION |
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