Components of a heavy vehicle

​Components of a heavy duty vehicle

Multiple Select

What is a heavy vehicle ?

• A vehicle which carries goods

• A light vehicle

• A large vehicle

• Any vehicle with a gross combination mass over 3,5 tones

Word Cloud

In your opinion, what are the different components of a heavy duty vehicle ?

It is the heart of the vehicle. It converts the chemical energy of the fuel into mechanical energy to propel the vehicle.

1. The engine

​ More common in heavy vehicles due to their efficiency and high torque.

​Diesel

Less common but used in some contexts.

​Petrol

Points of attention

•     Regular Maintenance: Oil changes, air and fuel filters.

•     Monitoring: Coolant and oil levels.

Multiple Select

What is the difference between a diesel engine and a petrol engine ?

• There is no difference

• Diesel engines use compression ingnition

• Petrol engines use spark ignition

• Diesel engines are more fuel-efficient

Open Ended

What are the components that are missing ?

Did you get the right answers ?

​

​Correction !

Ensures comfort and stability by absorbing road shocks.

2. The suspension

​   Uses springs to absorb shocks.

​Spring suspension

Uses air cushions for increased comfort.

​Air suspension

Points of attention

•     Springs and Shock Absorbers: Inspect for wear and damage.

•     Air Systems: Check air pressure levels.

Multiple Select

How does the suspension system contribute to the comfort and safety of a heavy vehicle?

• It doesn't absorb shock

• It leads to accidents

• It improves comfort for the driver

• It maintains tire contact with the road

Multiple Select

What should be inspected regularly to ensure the suspension system is functioning correctly?

• worn springs

• joints

• air bags

• nothing

Draw

Entourez l'essieu sur ce schéma

Draw

Où se trouve les amortisseurs sur le schéma ?

Draw

Finalement, entourez un moyeu de roue sur ce schéma

Allows the vehicle to slow down and stop safely.

3. The braking system

•     Disc Brakes: Used at the front for better heat dissipation.

•     Drum Brakes: Used at the rear, often in heavy vehicles due to their durability.​

The difference

Points of attention

•     Brake Pads and Discs: Regularly check for wear.

•     Brake Fluid Levels: Ensure proper levels for safe braking.

Multiple Select

What is the primary function of a braking system in a heavy vehicle?

• It slows down the vehicles

• It stops the vehicle

• It accelerates the vehicle

• It makes the vehicle move

Multiple Select

What maintenance procedures are essential for the braking system?

• Check brake fluid levels

• Replace brake pads

• Check windscreen washer

• Inspection of brake components for wear and damage

Draw

Entourez le cylindre de roue sur le schéma

Draw

Entourez les mâchoires sur le schéma

Fill in the Blank

Complètez la phrase suivante: Heavy vehicles are composed of several __________.

Fill in the Blank

The ______ is the heart of the vehicle.

Fill in the Blank

The ______ allows the vehicle to slow down safely.

Fill in the Blank

The shock _________ need to be inspected for damage.

Word Cloud

To conclude this lesson, quote two words that you have learnt.