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.
Classification of circuits
State the two circuit arrangements, double pole or earth return system.
Identify Series and Parallel connections.
Circuit protection
Mention different protection measures and materials.
Voltage current regulator construction and function
Describe the construction of Voltage Regulator.
Describe the operation of Voltage Regulator.
describe the construction and operation of current regulator.
Voltage current regulator uses
State the uses of Voltage/current Regulators
Ignition coil construction uses and function
State the use of the Coil.
Describe the construction of the Coil.
Explain the functions (operation )of the Coil.
Contact breaker point replacement
Remove Contact points.
Recondition impaired points.
Couple new or recovered Contact points.
Adjust to correct gap in the installed Contact point
Brushing and brush replacement
Students should be able to remove unwanted bushings and brushes and replace them with new or desirable
ones.
Dismantling and assembling
Students should be able to dismantle and assemble Starter motors correctly.
Maintainance
Know the electrolyte speclflc gravity safe for Battery preservation.
The need for topping up electrolyte.
The symptoms for over-charging.
The requirements for safe idle-keeping of battery.