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SPEC 2036 REFRIGERATION MECHANIC

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					REFRIGERATION MECHANIC (2036)                  grade 10


I.     NATURE OF WORK:

       A Refrigeration Mechanic is the full performance level of work installing,
repairing and maintaining commercial and industrial refrigeration and air conditioning
systems and equipment. Employees in this classification do not supervise other skilled
trades workers.

       Employees in this classification receive general supervision from a maintenance
supervisor or other supervisory position. Employees may be subject to call-in on a 24
hour basis. The work may be performed in extremes of heat and cold and employees
may be exposed to noisy, dirty and uncomfortable conditions. The work may require the
use of protective equipment such as masks and respirators when working around
asbestos, goggles when operating power tools, rubber gloves when handling chemicals,
and ear plugs when working around noisy machinery. The work may require working in
confined spaces at different heights and moving objects in excess of 50 pounds.

      Positions in this class are evaluated using the Classification Job Evaluation
Methodology. The use of this method involves comparing the assigned duties and
responsibilities of a position to the job criteria found in the Nature of Work and Examples
of Work sections of a class specification.


II.    EXAMPLES OF WORK: (Examples are Illustrative only)

       Installs, repairs and maintains refrigeration and air conditioning systems such as
air handling units, chillers, cooling towers, air conditioning units, refrigerators, walk-in
freezers, ice machines and water coolers according to blueprints, schematic drawings and
manufacturers' specifications;
       Makes daily safety inspections of equipment to observe operating conditions and
to determine the need for repair and adjustment;
       Monitors and adjusts temperature and pressure gauges to maximize equipment
operation;
       Tests components using testing equipment, such as micrometers, multi-meters and
leak detectors;
       Overhauls and replaces compressors, pumps, motors, valves, electrical
connections and other component parts;
       Performs preventive maintenance of equipment which includes lubricating and
replacing bearings, cleaning and replacing filters, adjusting and replacing belts, cleaning
coils and repairing and replacing worn fittings;
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       Charges refrigeration and air conditioning units with specified amounts of
refrigerant;
       Reclaims and recycles refrigerants according to federal regulations and guidelines;
       Solders, brazes or welds metal parts when installing or repairing refrigeration and
air conditioning systems;
       Completes work orders, maintenance logs and other reports to track and document
work performed, to record time and materials used to complete a project, and to track
amount of refrigerant used, reclaimed and recycled;
       May provide technical guidance to lower-level maintenance workers;
       Performs other related duties.


III.   REQUIRED KNOWLEDGE, SKILLS AND ABILITIES:

       Knowledge of the principles of the refrigeration cycle and refrigeration circuitry;
       Knowledge of the operation of refrigeration and air conditioning systems and their
auxiliary equipment;
       Knowledge of the safety precautions and federal regulations related to reclaiming
and recycling refrigerants;
       Skill in interpreting gauges and determining the efficient operation of refrigeration
and air conditioning systems;
       Skill in the use and maintenance of manual and power tools and test equipment;
       Ability to understand blueprints and schematic drawings;
       Ability to complete and maintain work orders, maintenance logs and other forms;
       Ability to move heavy objects, such as ladders, chemical drums, component parts
and equipment;
       Ability to comprehend and follow directions and instructions.


IV.    MINIMUM EDUCATION AND EXPERIENCE REQLUREMENTS:

       Experience: Four years of experience installing, repairing and maintaining
                   commercial and industrial refrigeration and air conditioning systems
                   and equipment at commercial or residential buildings or other
                   facilities.

       Note:         Graduation from an accredited vocational/technical high school with
                     a concentration in refrigeration and air conditioning may be
                     substituted for three years of the required experience.
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V.    LICENSES, REGISTRATIONS AND CERTIFICATES:

      1. Employees in this classification may be assigned duties which require the
         operation of a motor vehicle. Employees assigned such duties will be required
         to possess a motor vehicle operator's license valid in the State of Maryland.

      2. Employees in this classification may be assigned duties which require the
         disposing or servicing of air-conditioning and refrigeration equipment.
         Employees assigned such duties will be required to possess technician
         certification from an approved Environmental Protection Agency certifying
         organization as required by section 608 of the Clean Air Act.


VI.   SPECIAL REQUIREMENTS OF THE CLASSIFICATION:

      1. Employees in this classification are subject to call-in and, therefore, will be
         required to provide the facility with a phone number where they can be
         reached.

      2. Employees in this classification who are designated as Level I or Level 11
         employees shall attend and successfully complete the appropriate asbestos
         safety and health training as required by Executive Order 0l.01.1987.22.


DATE REVISED: February 9, 2010


Class specifications are broad descriptions covering groups of positions used by various
State departments and agencies. Positions descriptions maintained by the using
department or agency specifically address the essential job functions of each position.




APPROVED: _____________________________________
          Director, Division of Classification and Salary

				
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