A professional who inspects, maintains, repairs, and modifies aircraft ground equipment, such as m-g sets, air compressors, and test stands. Responsibilities include:

• Conducts periodic and special inspections, using test equipment, to detect malfunctions.
• Tests and operates equipment for output, leakage, and operation in accordance with technical orders to determine serviceability.
• Disassembles and assembles malfunctioning accessories and components of aerospace ground equipment, such as motor and engine driven generator sets, air compressors, hydraulic-pneumatic sets, air-conditioners, heaters, exhaust and cooling equipment, and test stands.
• Replaces worn bearings, bushings, shafts, end plates, brushes, springs, coils, armatures, pushrods, valves, exhaust manifolds, tubing, hoses, and defective wiring.
• Repairs, adjusts, and operates small gas turbine engines.