Aviation Mechanic - General, Airframe, and Powerplant › II. Airframe › Task E. Landing Gear Systems

AM.II.E.S23

Skill

Troubleshoot landing gear position and warning systems.

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. 13-65
Chapter 13: Aircraft Landing Gear Systems › Anti-Skid › Anti-Skid System Tests
Ground Test Ground tests vary slightly from aircraft to aircraft. Consult the…
Aviation Maintenance Technician Handbook - Airframe p. 13-28
Chapter 13: Aircraft Landing Gear Systems › Landing Gear Rigging & Adjustment › Landing Gear Retraction Test
Landing Gear Retraction Test The proper functioning of a landing gear system and components can be checked by performing a landing gear retraction test. This is also known as swinging the gear. The aircraft is properly supported on jacks ... this check, and the landing gear should be cleaned and lubricated if needed. The gear is then raised and lowered as though the aircraft were in flight while a close visual inspection is performed. All parts of the system should…
Aviation Maintenance Technician Handbook - Airframe p. 12-50
Chapter 12: Hydraulic & Pneumatic Power Systems › High-Pressure Systems › Emergency Backup Systems
Pushing the handle fully downward closes the outlet valve and allows any nitrogen present in the emergency landing gear extension system to be vented overboard. The venting process takes approximately 30 seconds. Dump Valve As compressed nitrogen is released ... landing gear selector/dump valve during emergency extension, the pneudraulic pressure actuates the dump valve portion of the landing gear selector/dump valve to isolate the landing gear system from the remainder of hydraulic system. When activated, a blue DUMP legend…