Airframe · Lesson 18 of 40
Hydraulic and Pneumatic Systems
How aircraft hydraulic and pneumatic systems make, control and use fluid power: fluids and their compatibility, reservoirs, pumps, valves, accumulators, actuators, seals, lines and hoses, filters, and the servicing, inspection and troubleshooting practices that keep them working.
12 min read
Last reviewed
Part of A&P Complete
This lesson is in the full course
- Identify hydraulic fluid types, how to tell them apart and which seals suit each
- Explain open-center and closed-center systems and the job of reservoirs, pumps, valves, accumulators and actuators
- Describe how to service a reservoir, maintain filters, take fluid samples and troubleshoot common pressure faults
- Apply the handbook and AC 43.13-1B practices for seals, rigid lines, hoses and fittings
- Describe high-, medium- and low-pressure pneumatic systems and how they are serviced