What is the servicing limit for the APU accumulator?

The servicing limit for the APU accumulator is indeed 2700-3100 PSI. This range is critical for ensuring proper functionality and safety of the Auxiliary Power Unit (APU). The accumulator maintains hydraulic pressure, which is essential for the operation of various systems.

Operating within this specified pressure range helps to prevent system failures and ensures that the APU can effectively provide the necessary hydraulic power and pneumatic pressure to support aircraft operations. Maintaining pressure outside these limits could lead to inefficient operation, potential damage to components, or failure to perform required functionalities.

Understanding these servicing limits is vital for anyone responsible for the APU's maintenance and operation, as it directly impacts the overall reliability and safety of the aircraft.