1 ptsD,D1Official number: 6921
What necessary activities should be performed by a bus driver while replacing a wheel on the road?

Explanation
Correct answer: Raise the vehicle with a jack to a sufficient height to create a distance between the tyre and the surface.
The fundamental step when changing a wheel is to relieve its load, which is achieved by raising the vehicle with a jack. The vehicle should be raised to the minimum, yet sufficient, height to create clearance between the tyre and the road surface. This will enable the removal of the damaged wheel and the fitting of a new, serviceable wheel in its place.