HVAC MECHANIC

Thank you for your interest in N-E-I and this position, which is full-time (40 hours per week).

COMPANY BACKGROUND: INFORMATION

N-E-I is a service business with a history of successfully delivering projects for federal government agencies by providing outstanding service and comprehensive turn-key solutions. We are certified as s Small Disadvantaged (SDB), Woman-Owned (WOSB/EDWOSB), and Minority entity, which has been in operation since 1987. We are proposing on a 5-year contract at Camp Pendleton, CA. and seek highly experienced, qualified employees to fill these positions.

JOB FUNCTIONS: I

Overview: The Heating, Ventilation, and Air-Conditioning (HVAC) Mechanic installs, services and repairs environmental-control systems in residences, department stores, office buildings, and other commercial establishments, utilizing knowledge of refrigeration theory, pipefitting and structural layout, mounts compressor and condenser units on platform or floor, using hand tools, following blueprints or engineering specifications, fabricates, assembles and installs ductwork and chassis parts, using portable metalworking tools and welding equipment, and installs evaporator unit in chassis or in air-duct system, using hand tools. This mechanic also cuts and bends tubing to correct length and shape, using cutting and bending equipment and tools, cuts and threads pipe, using machine-threading or hand-threading equipment, joins tubing or pipes to various refrigerating units by means of sleeves, couplings or unions, and solders joints, using torch, forming complete circuit for refrigerant, installs expansion and discharge valves in circuit. This worker connects motors, compressors, temperature controls, humidity controls, and circulating ventilation fans to control panels and connects control panels to power source; installs air and water filters in completed installation, injects small amount of refrigerant into compressor to test systems and adds Freon gas to build up prescribed operating pressure. This mechanic observes pressure and vacuum gauges and adjusts controls to insure proper operation, tests joints and connections for gas leaks, using gauges or soap-and-water solution, wraps pipes in insulation batting and secures them in place with cement or wire bands, replaces defective breaker controls, thermostats, switches, fuses and electrical wiring to repair installed units, may install, repair and service air conditioners, ranging from fifteen to twenty tons cooling capacity.

Must have the following skills and knowledge: Refrigeration/Air Conditioning systems. Requires basic knowledge of principles and theories of refrigeration cycle, temperature measurement, properties of common refrigerants, and construction and operation of a variety of domestic and commercial units and systems. Must have skill to make visual, audible and mechanical checks for proper temperature of conditioned spaces, proper operation of different parts of refrigeration cycle, proper oil levels, unusual noises, overheated bearings, loose connections, faulty insulation, frayed or loose belts, gaskets, pulleys, etc. Must be skilled in servicing power sources. Must have the skill to replace major portions of cooling units such as compressors, condensers, expansion valves, float and service valves, thermostats, coils and drive assemblies. Uses a knowledge of the 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 temperatures of the liquid and suction lines, and the running time of the various mechanisms. Heating Systems - Small and Domestic Units and Systems: Must have a basic knowledge of the principles of various standard methods of combination, ratios and arrangement of heating surfaces; the various methods of distribution; and the reconstruction and operating characteristics of small and domestic heating units and systems. Must be able to use multiple testing techniques to locate worn or broken parts in that most of the equipment such as gauges, records, and controls are usually adjacent to the heat source or boiler. Must be skilled in replacing major portions of the heating system. Must have knowledge and skill required to install, adjust and repair automatic and hand operated stokers and auxiliary equipment such as motors, blowers, pilots, igniters, and thermostatic control devices. Must apply knowledge of where and how the parts, accessories, and components of basic heating systems are installed and how they work together; and must have the ability to determine when parts and components should be cleaned and reinstalled, repaired or replaced with new parts and components such as safety devices, thermostats, heating elements, overload switches, heater strips and magnetic coils. Must have knowledge and skill to disassemble small electrical motors and replace bearings and bushings, and then to clean, grease and reassemble them; knowledge and skill required to install and repair complex heating systems and equipment which have more components, controls and other auxiliary equipment than that found on small and domestic heating units and systems. Must be able to plan and lay out the installation and modification of various systems and equipment; e.g., the routing, openings, slant, and level of gas and water lines, and the location and arrangement of water closets and sinks. Must have ability to interpret and apply building plans and blueprints, use shop mathematics, and lay out angles, arcs, and circles. Must be skilled in the use of any of the accepted trade methods and techniques; e.g., pouring lead joints, seating equipment, and installing any combination of couplings, unions, and joints needed for the proper operation of the system. Must be skilled in the use of tools and equipment; e.g., plumb bobs, mercury gauges, dividers, closet augers, hydrostatic pumps, and lead pots. Electrical work requires the skill to remove and replace fixtures and controls, and to make repairs such as tightening connections, wrapping exposed wiring with insulating tape and soldering loose wire leads to contact points. Must have the skill to measure, cut, and bend wire, conduit, etc. to specified lengths and angles, and to use hand tools and some test equipment such as screwdrivers, pliers, wire cutters, soldering irons, test lamps and ammeters. Individual will be required to makes repairs and installations from ladders, scaffolding and platforms, and hard to reach areas. The government will provide safety glasses, safety goggles, hard hat, face masks for dust, and respirator complete with HEPA filters) for asbestos protection when required. Must possess a current California Driver’s License and Environmental Protection Agency (EPA) certification for handling refrigerant types I, II, and III. Duties also require to possess or be able to obtain a universal certification for handling of chlorofluorocarbons (CFC). A minimum of 2 years experience in troubleshooting/repair of A/C units 4-ton and above is required.

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