Standard

 

 R State Standard         £  Institutionally Developed          College: n/a

 

DET 127 – Starting and Charging Systems

Introduces starting and charging systems used on medium/heavy duty trucks and heavy equipment.  Topics include:  battery diagnosis & servicing, starting systems diagnosis & repair, and charging systems diagnosis & repair.  Using and interpreting test instruments and troubleshooting are highly emphasized.

 

Competency Areas

Hours

Battery Diagnosis and Servicing     

Class

1

Starting Systems Diagnosis and Repair     

D. Lab

2

Charging Systems Diagnosis and Repair     

P. Lab/O.B.I.

3

 

Credit

3

 

Prerequisite:

DET 125

Corequisite:

     

 

Course Guide

 

Competency

After completing this section, the student will be able to:

Hours

Class

D.Lab

P.Lab/

O.B.I.

Battery Diagnosis and Servicing     

3

6

8

 

Demonstrate an understanding of the terms and definitions     

 

 

 

 

Identify battery service tools

 

 

 

 

Describe five functions of the battery

 

 

 

 

Demonstrate an understanding of the types of vehicle batteries and their descriptions

 

 

 

 

Demonstrate an understanding of the ratings of batteries and their descriptions

 

 

 

 

Demonstrate an understanding of the factors affecting correct battery selection

 

 

 

 

Explain safety rules for working with batteries

 

 

 

 

Describe connecting batteries in series, parallel, and series-parallel

 

 

 

 

Evaluate factors in selecting the appropriate battery for a vehicle

 

 

 

 

Maintain and restore electronic memory functions

 

 

 

 

Inspect, clean, fill, and replace a battery, battery cables, connectors, clamps, battery box, and hold-downs

 

 

 

 

Make a battery capacity (load) test

 

 

 

 

Determine battery state-of-charge using an open circuit voltage test

 

 

 

 

Slow and fast charge a battery

 

 

 

 

Diagnose parasitic (key-off battery) drain problems

 

 

 

 

Connect batteries in series, parallel, and series-parallel

 

 

 

 

Jump-start a vehicle

 

 

 

STARTING SYSTEMS DIAGNOSIS AND REPAIR

3

7

11

 

Demonstrate an understanding of the terms and definitions

 

 

 

 

Explain types of starting aids

 

 

 

 

Demonstrate an understanding of the parts of a starting system and descriptions of their functions

 

 

 

 

Describe major parts of a starting motor

 

 

 

 

Demonstrate an understanding of the component parts and descriptions of their functions

 

 

 

 

Describe steps in a starting system operation

 

 

 

 

Demonstrate an understanding of the conversion of electrical energy into mechanical energy

 

 

 

 

Explain how a starting motor is kept running

 

 

 

 

Demonstrate an understanding of the types of starter field circuits

 

 

 

 

Demonstrate an understanding of the types of starter field circuits and current flow

 

 

 

 

Describe types of starting motor switches

 

 

 

 

Describe how to engage starter drives

 

 

 

 

Demonstrate an understanding of the types of electromagnetic or lever shift drives

 

 

 

 

Demonstrate an understanding of the operation of a series-parallel switch

 

 

 

 

Demonstrate an understanding of the operation of a transformer-rectifier unit

 

 

 

 

Explain starting system test

 

 

 

 

Demonstrate an understanding of the starting system test equipment and their connections

 

 

 

 

Diagnose starting system problems

 

 

 

 

Make a no-load starter current draw test

 

 

 

 

Make starter circuit voltage drop tests

 

 

 

 

Inspect, test, and repair or replace switches, connectors, and wires of starter control circuits

 

 

 

 

Inspect, test, and replace starter relays and solenoids

 

 

 

 

Remove and replace starter

 

 

 

CHARGING SYSTEMS DIAGNOSIS AND REPAIR

4

7

11

 

Demonstrate an understanding of the terms and definitions

 

 

 

 

Explain purpose of a charging system, an alternator, and charging system output tests

 

 

 

 

Describe alternator charging circuit components and functions

 

 

 

 

Identify major parts of an alternator

 

 

 

 

Describe construction of stator windings

 

 

 

 

Identify types of alternator circuits

 

 

 

 

Describe characteristics of a brushless alternator

 

 

 

 

Describe operation of a brushless alternator

 

 

 

 

Describe operation of transistorized regulator

 

 

 

 

Explain safety rules for working with alternator charging circuits

 

 

 

 

Describe names of charging system tests with descriptions of the conditions evaluated by the tests

 

 

 

 

Describe charging system test equipment and their connections

 

 

 

 

Diagnose charging system problems that cause an undercharge, a no-charge, or an overcharge condition

 

 

 

 

Inspect, adjust, and replace alternator drive belts, pulleys, and tensioners

 

 

 

 

Make a charging systems output test; determine needed repairs

 

 

 

 

Make a charging circuit voltage drop test; determine needed repairs

 

 

 

 

Test an S.I. series alternator

 

 

 

 

Inspect, repair, or replace connectors and wires of charging circuits

 

 

 

 

Remove, inspect, and replace an alternator

 

 

 

 

 

 

 

 

 

Suggested Resources

 

Media
Print
Audio/Visual
Web
Other

Note: Please adhere to the APA Formatting and Style Guidelines.
Examples:
   Author, A. A. (Year of publication). Title of work: Capital letter also for subtitle. Location: Publisher.

   Duncan, G.J., & Brooks-Gunn, J. (Eds.). (1997). Consequences of growing up poor. New York: Russell Sage Foundation.

Web Manuals

Mitchell Information Systems.  (2008). “Tractor Trailer.net”.  San Diego, California.

Print

Multistate Academic and Vocational Curriculum Consortium.  (2007). “Diesel Technology Series”.   Stillwater, Oklahoma.

Norman, Andrew & others.   (2006). Diesel Technology.  Tinley Park, Illinois:  Goodheart-Willcox.
ISBN 13: 9781590707708, ISBN: 1590707702

Norman, A. / Corinchock, J. / Bennett,S. ( 2005 ) Heavy Duty Truck Systems 4th Ed, Delmar Pub. Clifton Park, New York. ISBN 9781401870647

Huzij/ Bennett. (2009). Heavy Equipment Systems. Florence, KY: Delmar Cengage Learning,
ISBN 13: 9781418009502 ISBN 10: 1418009504

 

Posted: 10/09/08