AIR CONDITIONING EQUIPMENT MECHANIC

QUALIFICATIONS: Applicants will be rated in accordance with the OPM Qualification Standard Handbook X-118C for the WG-5300 Industrial Equipment Maintenance Group. Although a specific length of time and experience is not required for most blue-collar positions, you must meet any screen-out element listed, and show through experience and training that you possess the quality level of knowledge and skill necessary to perform the duties of the position at the level for which you are applying. Qualification requirements emphasis is on the quality of experience, not necessarily the length of time. The screen out element for this position is ability to do the work of a WG-5306 AIR CONDITIONING EQUIPMENT MECHANIC more than normal without supervision. JOB ELEMENTS: Your qualifications will be evaluated on the basis of your level of knowledge, skills, abilities and/or competencies in the following areas: 1. Knowledge of the principles and theories of air conditioning and refrigeration and properties of refrigerants. Knowledge of the construction and operation of a variety of large commercial and complex industrial systems. Knowledge of safety regulations, practices, and procedures. 2. Skill in dismantling, repairing, and reassembling pumps, impellers, compressors, chillers, receivers, and evaporators. Skill in maintaining difficult balances of a variety of refrigerant controls and complicated motor controls. Skill in the use of hand tools, power tools, and a variety of test equipment. Skill in troubleshooting complex problems on large projects applying prescribed test procedures and equipment. 3. Ability to interpret instructions, specifications, etc. (including blueprint reading). 4. Comprehensive knowledge of the operation, capabilities, and limitations of complex electronic systems complicated by a variety of multi-component assemblies and devices; knowledge of electronic theory and circuits and basic logic circuits for power, timing, and motion controls, indicating and counting mechanisms, and similar devices; knowledge of Boolean algebra to construct truth tables and logic equations for analysis of logic circuits; and knowledge of related electrical, mechanical, optical, pneumatic, and hydraulic systems 5. Skill in troubleshooting electronic problems on large projects and applying test procedures; and in the use of hand and power tools of the electronics trade to include a variety of electronic, electrical, or electromechanical test and measurement equipment. 6. Ability to test, calibrate, troubleshoot, overhaul, repair, and install complete electronic systems. Ability to read and interpret a variety of technical data, such as schematics, diagrams, and technical orders relating to the electronics trade. Physical Effort The employee lifts, carries, and handles equipment up to 50 pounds unassisted and over 50 pounds with assistance. Works from ladders, scaffolding platforms, or cramped areas where equipment, parts, or tools are hard to reach. Work requires frequent stooping, stretching, bending, kneeling, and working in tiring, uncomfortable positions for long periods. In addition, work involves frequent movement and maneuvering of large, heavy equipment using hoists, holders, and pulleys as required. Work assignments require moderate physical effort. Mechanics frequently lift, carry, or otherwise handle items weighing up to 18 kilograms (40 pounds). Occasionally they handle items greater than 18 kilograms. Assistance is usually available with heavy items. They work in a sitting position for extended periods. Frequent standing, walking, bending, crouching, reaching, and stooping is required. Occasionally, climbing and working in high places may be required. Working Conditions The employee works indoors and outdoors, on elevated structures, and in cramped areas. Subject to discomfort from face masks or other protective devices when there is a possibility of exposure to toxic refrigerants, noxious gases, fumes, or acids. Subject to possible burns from refrigerants. Works near moving parts of equipment and machinery, energized electrical circuits, sharp metal edges, loud noises, and toxic fumes, which could cause cuts, burns, and respiratory ailments. May be subject to sudden and frequent temperature changes. Work is usually performed inside in well lighted, heated, and ventilated areas. When equipment is fixed in place it is sometimes necessary to work in warehouse or industrial areas exposed to loud noises, heat or cold, fumes, etc. Mechanics are subject to injuries, such as electric shock, cuts and bruises, as well as burns caused by electrical energy or soldering irons. The mechanic may be required to work in cramped positions or in close proximity to energized or operating machinery. PART-TIME OR UNPAID EXPERIENCE: Credit will be given for appropriate unpaid and or part-time work. You must clearly identify the duties and responsibilities in each position held and the total number of hours per week. VOLUNTEER WORK EXPERIENCE: Refers to paid and unpaid experience, including volunteer work done through National Service Programs (i.e., Peace Corps, AmeriCorps) and other organizations (e.g., professional; philanthropic; religious; spiritual; community; student and social). Volunteer work helps build critical competencies, knowledge and skills that can provide valuable training and experience that translates directly to paid employment. You will receive credit for all qualifying experience, including volunteer experience.
The primary purpose of this position is to install, repair, and modify large/complex systems that provide for a variety of air conditioning functions such as heating, cooling, humidifying, dehumidifying, cleaning, filtering, and circulating. Also personnel will be able install, maintain, test, troubleshoot, repair, and calibrate highly complex systems of electronic sensing and controls.