What is the acceptable rate for slow air pressure build-up in a vehicle according to inspection standards?

The acceptable rate for slow air pressure build-up in a vehicle is established to ensure that the braking system is functioning properly and can achieve required pressure levels efficiently. The standard of 85 to 100 psi in under 2 minutes signifies that the air pressure in the system should reach an effective level within a reasonable timeframe, which is crucial for safety during operation.

This range ensures that the braking system has adequate pressure for safe stopping and control of the vehicle under various conditions. If the pressure takes longer to build up or does not reach the expected levels, it may indicate potential issues or leaks in the system that could compromise vehicle safety.

The specified timeframe of under 2 minutes serves as a benchmark for commercial vehicles, emphasizing the importance of timely pressure build-up for operational efficiency and safety. Thus, maintaining these standards is vital for preventing braking failures and ensuring proper vehicle performance.