ENGINE COMPONENTS
Identify the main components of an engine and their relative po:;ition.
Describf! the function of the main components.
ENGINE TYPES
List the various types of engine and their applications.
SAFETY IN AUTO-MOBILE WORKSHOP
Identify the various safety rules to be observed in the workshop
Demonstrate how to use hand tools, power tools and compressed air safely
Demonstrate the use of jacks, hoist and jack stand safety
AUTO-WORKSHOP
Identify the various activities involved in automobile maintenance.
State their functions in relation to automobile maintenance.
Differentiate between maintenance and repairs.
VEHICLE LAYOUT
Sketch the body and chassis layout of a motor vehicle.
Identify the main components in motor vehicle.
list their functions
Troubleshooting
Tell the signs for malfunctioning unit in the auxiliary system.
Remove where appropriate) the faulty link or unit.
Service or repair the faulty unit.
Replace the repaired or new unit.
Test for functionality.
Troubleshooting
Tell the sign for faulty head lamp main beam.
Recognize faulty head lamp dim lamp.
Tell when search light is not working well or not working at all.
Repair the fault from any part of the lighting circuit.
Test for Functionality
Diode testing, repair/ replacement
Recognize diode failure
Identify the nature of diode failure.
Remove faulty diode.
Replace(re-solder) new diode.
Test for effectiveness
Brush and bearing replacement
Identify the sign for brush replacement need.
Identify the need for bearing failure.
Punch out and replace brushes and bearing.
Re-install the alternator.
Register appropriate drive-belt tension.
Ignition timing
Identify Ignition adjustment need.
Adjust appropriately
Spark plugs check and installation
Clean spark pugs.
Reset plug gap according to manufacturer’s recommendation.
Replace plugs obeying the vehicle firing order.
Enging tunning: distributor checks
Probe contact points and clean to restore flat lapping faces.
Set contact gap to 0.40mm or according to manufacturer’s recommendation
Clean rotor face.
Ensure springy’ carbon brush.
Troubleshooting and rectification
Interpret and
Repair/rectify, clicking, no reaction, noisy, whining but no cranking starter problem.
Commutator soldering repair
Detect worn or torn commutato.
Solder commutator.
Emery-cloth commutator.
State of charge
Test electrolyte specific gravity.
Interpret the Hydrometer reading.
Charging mode
State the difference between trickle and boost charge.
Know when to use trickle or boost charge
Charging: safety rules, acid mixing, battery cleaning, battery connection
Observe the safety rules guiding battery electrolyte mixing and battery charging.
Mix acid with water in correct ratio.
Wash batteries scrupulously clean.
Connect the battery correctly to the charger.
Repairs of water temperature guage, oil pressure guage, horn, relay, wiper, switch, screen washer pump, break ,indicator, door switch
Identify the problems with any faulty auxiliary unit.
Repair, where possible and necessary, the malfunctioning auxiliary unit.
Construction and operation of water temprature guage and various other auxiliary units
State the construction details of various auxiliary units
State the operation of various auxiliary units. .
Head lamp setting
Determine the alignment or otherwise of lamps.
Set headlight Alignment.