Maintenance Mechanic

Maintenance Mechanic

Duties included but not limited to: Performs work such as install equipment recognize origination of faulty equipment, calibrate, modify, relocate, perform maintenance, and makes repairs on a variety of large complex refrigeration and air conditioning units. The incumbent handles equipment, which provides specific temperatures and critical conditions such as blood banks, laboratory equipment, computerized equipment, operating rooms, kitchens, and galley equipment and for servicing heat pumps in existing buildings. The incumbent must maintain, calibrate, and balance a wide variety of equipment, which provides heating, humidification, dehumidification, filtration, and ventilation in addition to cooling. Also must be certified to use Freon when maintaining and making repairs on all types of refrigeration equipment such as; walk-in refrigerators and freezers, ice cream cabinets, refrigerated food carts, reach-in coolers, ice machines, refrigerated centrifuge, and other refrigerated lab equipment, and any other refrigerant type equipment. Must modify systems and balance various elements installed throughout the hospital and offices by contractors in order to produce and meet critical temperatures or specific conditions. Most repairs require specialized equipment in order to perform task. Also Incumbent performs tests, plan and layout work details to make modifications with minimum instructions. Diagnoses troubles, calibrates, and installs thermostats, pneumatic controls, electronic solid state controls, electric controls of various types, electronic components and devices (such as electronic expansion valves, temperature sensors, pressure sensors, digital system controllers, and electronic pneumatic transmitters.) The system uses a variety of methods of air conditioning such as mechanical compression, vapor compression, and absorption. Performs tests, major repairs, complete overhaul, and duties related to controlling the formation of scale and corrosion in the air conditioning and refrigeration systems. The incumbent develops patterns and layouts, cut form, assemble, and install items and systems such as deflectors, air-handling units, pans, containers, and metal furniture and all other items and systems which have combined straight and curved edges or irregular curves and planes. They work under the supervision of higher graded worker or supervisor. Incumbent must be able to assemble using a variety of instruments such as sliproll forming machines box and pan brakes, rotary machines with extra form rolls, and crimpers and beading machines. Required work under general supervision and with other trades assigned within the maintenance unit providing assistance as needed. Performs maintenance and minor repairs such as but not limited to laying floor tiles, painting, carpentry work, install safety treads on steps, installing-ceiling tiles, installing and/or hanging various medical and office accessories, installing light fixtures, switches, and receptacles. Incumbent is also involved in moderately skilled use of general and some special tools and equipment or various building trades. Must use knowledge of refrigeration cycle of a variety of commercial and industrial systems to locate and check elements such as those which control low side and high side pressure, the temperature of the cooling units, the temperature of the liquid and suction lines; and the running time of the various mechanisms. Must know principles and theories of heating, ventilation, air-conditioning, proper use and safe handling of Freon, how to calculate and balance airflow, water flow, heat transfer, and pressure temperature characteristics. The incumbent must have knowledge which include systems a variety of compressors such as gear reciprocating, centrifugal, or rotary pump, and a variety of refrigerant controls, a variety of complicated motor controls such as semi-automatic defrosting controls, relays, and various types of pour sources used with pulleys, belts, horse power and tensioners. Also he must have some electronic knowledge in dealing with equipment.

Work Schedule: 0730 to 4:30pm Mon to Fri

Position Description Title/PD#: Maintenance Mechanic/PD07265A

Physical Requirements: Considerable physical exertion is required due to large equipment and components in the systems that must be maneuvered into and out of specific locations while dismantling and reassembling. Considering manual manipulation, and physical strain exerted in tedious repairs and hard to get to locations or hard to reach places. Works in tiring positions, stooping, stretching, bending, kneeling, and standing.