Portland Community College | Portland, Oregon

Course Number:
DS 202
Course Title:
Heavy Duty Power Train
Credit Hours:
6
Lecture Hours:
15
Lecture/Lab Hours:
90
Lab Hours:
0
Special Fee:
$27.00

Course Description

Introduces advanced theory and applications of automatic and power shift transmissions used in the heavy equipment industry. Prerequisites: (RD 80 or equivalent placement) and (MTH 20 or equivalent placement). Audit available.

Addendum to Course Description

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.

Intended Outcomes for the course

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.
  • Use protective gear and safe procedures in all work areas.
  • Assess diagnostic information from computer-controlled transmissions.

Course Activities and Design

  • 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.

Outcome Assessment Strategies

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

Course Content (Themes, Concepts, Issues and Skills)

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.