Shovel Mechanical eLearning Course Catalog - P&H Mining ...

Shovel Mechanical eLearningCourse Catalog• Describe the steps required for changing the filters associated with the Mine Air System.• Describe the steps required for cleaning the Condenser and Evaporator Coils on the Mine Air System.• Understand different troubleshooting techniques associated with the Mine Air Systems provided on P&HMining Equipment Shovels.Lesson Outline:• Topic 1 Introduction• Topic 2 Features• Topic 3 Theory of Operation• Topic 4 Controls• Topic 5 Maintenance• Topic 6 TroubleshootingLesson 12.8 Sigma ACLesson Description:This Lesson provides information for the Maintenance Technician responsible for understanding and maintainingthe Sigma AC System.Objectives:Upon completion of this Lesson the student will:• Be able to describe the components associated with the Sigma AC Unit.• Understand the theory of operation associated with the components of the Sigma AC unit.• Understand the correct procedure for starting and stopping the Sigma AC Unit.• Describe the function of the Indicator Lights associated with the Pilot Control Box.• Have a thorough understanding of the maintenance associated with the Sigma AC Unit and when it shouldbe scheduled.• Understand the steps required for replenishing the refrigerant.• Understand the steps required for adding oil to the compressor.• Understand the steps required for evacuating the compressor before replacement or inspection ofrefrigerant circuit components.• Have a basic understanding of some troubleshooting techniques associated with the Sigma AC Unit.Lesson Outline:• Topic 1 Description of Equipment• Topic 2 Theory of Operation• Topic 3 Operating Instructions• Topic 4 Maintenance• Topic 5 TroubleshootingShovel Mechanical eLearning Course Catalog.docx 29