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Services, repairs, and builds machinery and equipment used in an instructional, research, or testing laboratory.

Positions in this class are characterized by the mechanica1 or trade skill involved in such areas as machine shop work, pipe fitting, soldering, welding, carpentry work, or applied electricity. Typical duties are skilled structural tasks related to the installation, repair, and modernization of heavy laboratory equipment used in a teaching institution. In some instances, however, the scope of duties includes replacing parts, rewiring and adjusting small electric devices, mud precision type measuring apparatus. Machining or otherwise making new parts is generally restricted to items which do not have to meet exacting standards. Supervision is received through oral instructions and occasionally from drawings which outline the work to be completed. Assignments are generally in terms of end products with only general instructions or rough sketches to follow. Non-recurring assignments are performed under the control and direction of a supervisor or faculty member.

Examples of duties characteristic of positions in this class:

1. Repairs, maintains, and operates such equipment items as steam and internal combustion engines, measuring and recording devices, hydraulic rams, electric motors, generators, voltmeters, and ammeters; does related carpentry, fabrication, and welding work.
2. Rewires, mounts, repairs, and operates a wide variety of electrical devices and laboratory apparatus, such as oscillators, amplifiers, radio parts, high frequency and electronic devices; installs equipment items, such as beam rotators, lines for voltage measurements, ignition rectifiers, industrial X-ray machines, and special adapters.
3. Machines parts and tools for laboratory equipment; keeps machine shop tools in good working condition.
4. Builds, adapts, and rebuilds as directed special research apparatus from general oral instructions, or in some instances from blue prints or drawings.
5. Replaces parts on a wide varsity of machines and recording devices, constructs such parts when such work can be done in the laboratory or machine shop.

Completion of a standard high school course and three years of varied experience as a laboratory mechanic or in machine shop or electrical work. Additional qualifying experience may be substituted for the required education, or special training in the kind of work performed in the laboratory to which assigned may be substituted for the required experience.

Basic knowledge of machine shop equipment and practices; basic knowledge of the principles or practices of applied electricity; skill in tine use of machine and electrica1 shop tools; ability to interpret drawings of laboratory machines or devices to be constructed.