Portland Community College | Portland, Oregon

This is an outcome-based course utilizing a lecture/lab format and includes videos, workbooks, demonstrations, lectures, and hands on learning.  It prepares the student to confidently work on heavy-duty power trains and their components in an industrial environment.

Upon completion of the course students should be able to:

• Disassemble, inspect, reassemble and understand the power flow of heavy-duty on and off road automatic and power shift transmissions.
• Apply the theory and application of various torque converter designs.
• Apply knowledge of the materials needed to properly repair and maintain heavy-duty power trains and their components.
• Diagnose failures and research the failure symptoms in service manuals.
• Assess diagnostic information from computer-controlled transmissions.
• Use protective gear and safe procedures in all work areas.

• Disassemble, assemble, inspect and document any failed parts.
• Learn proper use of parts and service manuals.
• Identify parts and correctly perform failure analysis.
• Demonstrate safe work procedures.
• Learn gear ratios and how they are related to torque.
• Demonstrate a understanding of power flows, so to be able to troubleshoot a problem in a heavy duty transmission.

• Written multiple choice, true/false and short answer tests.
• Hands on practical tests.
• Daily/weekly/term project portfolio.
• Attendance
• Work ethics

Knowledge of how and why heavy-duty power trains work.

• Learn adjustment procedures, lubrication, mechanical and electrical systems.

• Learn history and theory of heavy-duty power trains.

• Learn how a torque converter multiplies torque.

Learn about tools and materials.

• Learn about different types of transmissions, power trains and their proper use.

• Learn about and demonstrate the proper use of computer programs in analysis of computer-controlled transmissions.

• Learn and demonstrate the proper use of the tools for used in heavy-duty power train repair.

Skills in heavy-duty power train failure diagnosis.

• Learn to recognize failures and their causes.

• Learn the resources available to the technician for research and failure identification.

• Learn to properly evaluate a failure to find the reason for the failure.

Practice personal safety.

• Learn and practice personal safety by wearing Personal Protective Equipment (PPE).

• Learn and practice shop cleanliness.

• Learn and practice tool maintenance and safety.