Inspects, services, and repairs hydraulic systems used to actuate such aircraft equipment as landing gear mechanisms, wheel brakes, bomb bay doors, oxygen systems, and fire extinguishers.

Visually inspects component units of hydraulic systems including reservoirs, pumps, valves, pressure regulators, pistons, and actuating cylinders to determine that they are functioning properly, that correct amount of fluid is available in reservoir,
that hydraulic pressures in various parts of the system meet prescribed standards, and that there are no leaks in the system. Disassembles units of hydraulic systems, analyzes cause of malfunction, and corrects condition by making adjustments and
repairs, such as adjusting valves, mending lines when leaks are discovered, and making parts replacements. Cleans all parts of hydraulic systems after repairs have been completed and makes operating test to check functioning.

Tools and equipment include screw drivers, wrenches, pliers, cleaning agents, manometers, and other pressure-testing instruments and hydraulic test stands, and tube forming devices.

Must be familiar with principles of hydraulics and with construction and operation of various airplane hydraulic systems.

747 Airplane and Engine Mechanic

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