Heavy Equipment Operator

Refrigerator Equipment Operator 1st Class Construction & Demolition Department Under general supervision, responsible for operating and maintaining refrigeration and air-conditioning systems, including auxiliary equipment requiring possession of a Refrigeration Operator License. Examples of Duties Operates and adjusts refrigeration equipment. Balances, adjusts, and sets controls including but not limited to, expansion valves; hydrostatic and electric regulators, and various switches to maintain humidity and temperature levels. Operates and maintains a refrigeration compressor room, including, but not limited to, condensing, chilled water pumping, and circulatory apparatus. Operates and maintains air washing, mixing, and conditioning units. Performs inspections to check operating performance of equipment. Maintains required readings of refrigerant, including but not limited to, other pressures, dry and wet bulb temperatures, humidity and other readings in activity log records. Inspects and lubricates bearings and housing. Changes parts on motors, fans, compressors, pumps, and other equipment. Checks and replaces worn belts on belt-driven equipment. Assists in making major repairs and overhauls to refrigeration and air-conditioning units. Minimum Qualifications Completion of High School Diploma or G.E.D. Two years of experience in the operation and maintenance of refrigeration and air-conditioning equipment and their auxiliaries requiring possession of a license indicated by the title of the class. Licenses, Certifications, and Other Special Requirements: Valid First Class Refrigeration Operator's License or Greater. Valid State of Michigan Operator License required. Equivalency Equivalent combinations of education and experience that provide the required knowledge, skills, and abilities will be evaluated on an individual basis. Knowledge, Skills, and Abilities Knowledge of operating details and characteristics of a variety of types of refrigeration and air-conditioning, ice making, water cooling, and other similar equipment and systems. Knowledge of applicable safety codes, regulations, and ordinances. Skill in working with the tools and materials commonly employed in the operation and maintenance of such equipment. Skill in physical strength and manual dexterity. Ability to maintain operation and maintenance activity logs. Ability to diagnose and troubleshoot operating conditions. Ability to communicate effectively, both orally and in writing. Ability to read and understand wiring diagrams, operating and repair instructions, and manuals Physical Demands The employee generally remains in a stationary position for an extended period of time operating standard office equipment which may include computers, telephones, photocopiers, and fax machines. The employee is expected to move about to accomplish tasks such as opening file cabinets and moving files. Must be able to lift, push, pull, and carry up to (25) pounds. Work Environment Work is performed primarily in an office environment. Some work requires travel to meetings, conferences, and other work sites with exposure to seasonal weather conditions Candidates considered for placement in this classification may be subject to a Criminal Background Investigation based on the requirements of the position. The City of Detroit is an Equal Opportunity Employer. No applicant for employment shall be discriminated against on the basis of race, color, national origin, sex, religion, age, disability, or other criteria prohibited by City, State, or Federal law.