Troubleshoots, repairs, overhauls, and modifies and operates aerospace ground equipment such as AC and DC power generators, various types of internal combustion engines, air compressors, blowers, hydraulic test stands, cabin leakage testers, portable diesel engine driven generators, emergency lighting units, deicers, heaters, load banks, hydrostatic testers, cryogenic carts, decontamination units, thermal bath, vacuum pumps, flow meters, lavatory service trailers, air conditioners and various pieces of non-power support equipment. GENERAL EXPERIENCE: Experience or training which demonstrates the knowledge of mechanical maintenance work; ability to read and use technical manuals, illustrations, diagrams and schematics, and skill in the use of equipment and hand tools used in troubleshooting, testing, and repairing equipment.