Aviation Mechanic - General, Airframe, and Powerplant › II. Airframe › Task F. Hydraulic and Pneumatic Systems

AM.II.F.S13

Skill

Inspect a hydraulic or pneumatic system for leaks.

Study note

Get a short, cited explanation of this element written from the FAA handbooks: the core idea, the numbers that matter, common test traps, and a quick self-check.

From the FAA library

Aviation Maintenance Technician Handbook - Airframe p. 12-5
Chapter 12: Hydraulic & Pneumatic Power Systems › Types of Hydraulic Fluids › Hydraulic System Flushing
Hydraulic System Flushing When inspection of hydraulic filters or hydraulic fluid evaluation indicates that the fluid is contaminated, flushing the system may be necessary. This must be done according to the manufacturer’s instructions; however, a typical procedure for flushing ... Connect a ground hydraulic test stand to the inlet and outlet test ports of the system. Verify that the ground unit fluid is clean and contains the same fluid as the aircraft. 2. Change the system filters. 3. Pump clean…
Aviation Maintenance Technician Handbook - Airframe p. 12-3
Chapter 12: Hydraulic & Pneumatic Power Systems › Hydraulic Fluid Contamination › Contamination Check
naked eye may be contaminated to the point that it is unfit for use. Thus, visual inspection of the hydraulic liquid does not determine the total amount of contamination in the system. Large particles of impurities in the hydraulic system…
Aviation Maintenance Technician Handbook - Airframe p. 13-69
Chapter 13: Aircraft Landing Gear Systems › Brake Inspection & Service › Bleeding Power Brake Systems
The hydraulic system should operate without air in the fluid as should…