Job Summary Manual labor in performing maintenance on building mechanical systems and components. Inspects mechanical systems (fans, fan motors, pumps, and other mechanical units) noting need for repair. Performs minor maintenance such as cleaning, lubricating, adjusting and/or replacing belts. Changes, washes, and cut filters for HVAC Systems; checks for bad bearings; cleans coils in air conditioning units, cleans mixing boxes, and unstops condensation pan drains. Minimum Qualifications Completion of the eighth school grade and experience in maintenance and repair work as helper to a journeyman; or any equivalent combination of training and experience.