A commercial motor vehicle driver operating a vehicle without anti-lock brakes must perform a stab braking maneuver during an emergency stop. In what chronological sequence should the driver execute the steps of this braking technique?
- 1Apply the brakes fully and firmly with maximum pedal force.
- 2Release the brake pedal completely as soon as the wheels lock up.
- 3Allow the wheels to resume rolling to restore directional traction.
- 4Reapply the brakes with full force once the wheels start rolling.
Cevap
Apply the brakes fully and firmly with maximum pedal force, release the brake pedal completely as soon as the wheels lock up, allow the wheels to resume rolling to restore directional traction, and reapply the brakes with full force once the wheels start rolling.
According to official commercial driving standards, stab braking consists of applying the brakes all the way, releasing them as soon as the wheels lock up, waiting for the wheels to start rolling again to regain steering control, and then reapplying the brakes fully.
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Anahtar Kavram
Stab Braking Procedure on Non-ABS Commercial Vehicles