What happens if the pressure in the hydraulic accumulator is too low?

If the pressure in the hydraulic accumulator is too low, it directly affects the functionality of the aircraft's braking system. The hydraulic accumulator stores hydraulic fluid under pressure, which is essential for activating the brakes effectively. Low pressure may lead to insufficient hydraulic force, resulting in inadequate braking action when needed.

In a hydraulic braking system, a compromised accumulator can mean that the required pressure to apply sufficient braking force may not be available, leading to longer stopping distances or even a failure to stop in critical situations. Hence, maintaining proper pressure in the hydraulic accumulator is crucial for ensuring that the brakes function effectively and safely.