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Video Conference

Air Conditioning Maintenance For Shop Personnel

  • Mar 14, 2018 (2:30 - 4:30 pm CT; 1:30 - 3:30 pm MT)
    Video Conference (designated rooms at DOT sites)


REGISTRATION DEADLINE: Thursday, March 8, 2018

The above opportunity and more can be accessed by visiting the TLN Learning Management System (LMS).


During this presentation, the instructor will cover the need and how to get certified for refrigerant handling, cover the expansion valve system flow and operation, how to use pressures readings to diagnose an ac system. We will also discuss common service procedures to help assist in repair of a system and how to eliminate the ventilation system from the AC system.

Some common problems that will be covered are: overcharged situations, air in system, undercharged, water valve malfunctions and restrictions within components. Participants should have basic knowledge in gauge usage and operation.


Charles "Chuck" Campbell, Associate Professor, Diesel Technology, North Dakota State College of Science.

Target Audience

Maintenance & Shop personnel that are responsible for diagnosing, troubleshooting, maintaining, repairing trucks and equipment with air conditioning units.

NDSU Dept 2880P.O. Box 6050Fargo, ND 58108-6050