Harper College

Maintenance Mechanic II Certificate

Attain the advanced skills employers want.

Program factsLiberal Arts icon

  • Credit hours: 34
  • Stackable to degree: Yes
  • Potential job outcomes: Maintenance mechanic

Learn about various aspects of commercial maintenance with this 34-credit-hour certificate program. This is an ideal program for someone interested in entering the more advanced fields of commercial and industrial maintenance.

Take classes in electrical wiring, prints and schematics, carpentry, plumbing, small equipment maintenance, heating principles, welding, machining processes, fire prevention principles, refrigeration fundamentals and more.

Harper College is an ideal place to study commercial maintenance. All academic programs reflect current workforce needs and are designed to give you the skills needed to get out and succeed in the workplace. 

Credit earned for this program can be applied toward Harper’s Maintenance Technology Degree AAS Degree.

Certificate program requirements

This 33 credit-hour certificate program builds on the Maintenance Mechanic I certificate to prepare students for more advanced maintenance jobs in commercial or industrial maintenance.


Number Course Title Credits
ELT 143 2

Description:  Introduces students to advanced wiring topics as they relate to the commercial electrical service. A safety review followed by terminology, principles, and test and measurement equipment use associated with commercial alternating current (AC) power are examined. Emphasis is placed on the practical application, operation, installation and maintenance of low voltage control systems and single and three-phase AC power equipment and systems. Select portions of the National Electric Code are studied.

Class Schedule:  Summer 2024 | Fall 2024

HVA 101 3

Description:  Introduces vocabulary, concepts and scientific principles used in the refrigeration and air conditioning industry. Studies theories on heat laws, pressures, matter, and energy; examines refrigerant chemistry and the refrigeration cycle. Covers proper refrigerant management techniques and safe practices. Emphasizes practical application, troubleshooting techniques, measuring and testing the operation of the basic refrigeration cycle; including working with ACR copper tubing, tools, and instruments.

Prerequisite: MTH 097 (Basic Technical Mathematics) with a grade of C or better, or consent of coordinator.

Class Schedule:  Summer 2024 | Fall 2024

MFT 102 4

Description:  Provides the student with an introduction to the manufacturing world and provides specific instruction to facilitate safe work practices in industrial environments. Introduces manufacturing specializations such as mechatronics, precision machining and welding. Covers fire safety, pressurized gases, electrical hazards, and safe machine usage. Students will also become acquainted with OSHA policy. Students will have the opportunity to earn the Safety Certification through Manufacturing Skill Standards Council (MSSC).

Class Schedule:  Summer 2024 | Fall 2024

MFT 105 3

Description:  Covers fundamentals of machine shop theory and safe practices. Provides familiarization with tools, equipment, and practices of the precision metal working industry. Includes introduction to mills, drill press, and lathes. Students are provided classroom and laboratory learning experiences. Students may earn NIMS credentials.

Class Schedule:  Summer 2024 | Fall 2024

MFT 109 2

Description:  Provides a basic understanding of tools and equipment used in manufacturing and knowledge of how to improve productivity through predictive and preventive maintenance.

Prerequisite: MFT 102 with a grade of C or better.

Class Schedule:  Summer 2024 | Fall 2024

MFT 134 3

Description:  Provides students in the machine trades the basic skills required for visualizing and interpreting industrial prints. Emphasizes orthographic projection techniques of top, front, side, and section views, tolerancing, geometric dimensioning and the impact of computer drafting as related to the machine trades.

Class Schedule:  Summer 2024 | Fall 2024

MNT 135 3

Description:  Covers maintaining plumbing systems in a factory, plant or other industrial or commercial site. Describes the structure and function of on-site plumbing systems (water supply, sanitary waste, and storm water) and explains how the major fixtures in these systems work. Covers troubleshooting of common plumbing problems.

Class Schedule:  Summer 2024 | Fall 2024

MNT 228 2

Description:  Trains students in small engine and equipment repair. Students will demonstrate the ability to repair small engines such as those found in lawn, garden, and construction equipment. Emphasis is placed on overhaul, repair, adjustment, and troubleshooting.

Class Schedule:  Summer 2024 | Fall 2024

MNT 235 3

Description:  Covers methods of system analysis using schematics, circuit diagrams and installation drawings. Develops troubleshooting diagnostics for control, electrical and mechanical systems based on problem reduction through fault tree analysis.

Class Schedule:  Summer 2024 | Fall 2024

MNT 255 2

Description:  Covers a practical knowledge of machine elements and power transmission with emphasis on belts, bearings and mechanical drive systems. Provides knowledge in system maintenance, lubrication and power efficiencies.

Class Schedule:  Summer 2024 | Fall 2024

MTH 097 1 3

Description:  Reviews arithmetic, introduces basic algebraic and right triangle trigonometric techniques. Includes arithmetic, elementary algebra, geometry, ratio and proportions, measurements, right triangle trigonometry and their application to solve a variety of career and technical problems. Draws practical problems the student’s career area, including emergency services, graphic communications, building trades, culinary arts and information technology. Intended for students pursuing Harper degrees and certificates in career program fields. This course: is not transferable, does not satisfy the prerequisite for any other mathematics course, and does not satisfy any general education requirements.

Class Schedule:  Summer 2024 | Fall 2024

WLD 110 3

Description:  Covers fundamentals of oxyacetylene welding theory and practices and beginning electric welding. Includes arc welding and gas welding, brazing and cutting in the horizontal position.

Class Schedule:  Summer 2024 | Fall 2024

1 - Students may take MTH 097, MTH 101, MTH 103, or higher.

Related programs

Students interested in maintenance technology may also be interested in:


Next steps

For more information about studying maintenance technology at Harper College, contact Admission Outreach at 847.925.6700, or submit a request information form. You can also apply online.

Last Updated: 4/8/24