US Army correspondence course - Maintenance of Diesel Electric Locomotives & Rolling Stock.pdf
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SUBCOURSE
EDITION
TR0675
6
MAINTENANCE OF
DIESEL-ELECTRIC LOCOMOTIVES
AND ROLLING STOCK
Fort Eustis, Virginia
June 1976
Supersedes Trans 675, Maintenance of DieselElectric Locomotives and
Rolling Stock, Version 1, February 1969.
TRANS SUBCOURSE 675
MAINTENANCE OF DIESELELECTRIC LOCOMOTIVES
AND ROLLING STOCK
INTRODUCTION
Maintenance of railway equipment is performed to keep equipment in a
safe and serviceable condition. The effectiveness of that maintenance
directly affects the efficiency of railway operations, particularly in a
theater of operations. Military railway men and all transportation officers
should know how, when, and why to inspect and maintain railway equipment.
This subcourse introduces you to the Army's dieselelectric
locomotives and rolling stock, regulations that govern railway equipment and
maintenance, forms used to guide inspectors and maintenance men in
performing their duties, and preventive maintenance indicators for railway
equipment.
This is a twolesson subcourse, including two lesson exercises, lesson
solutions, and an examination. Before beginning this subcourse, ensure that
your social security number (SSN) or student number and the subcourse number
are printed correctly on the response sheet. If either is incorrect, return
the sheet to AIPD, calling attention to the error. AIPD will in turn send
you a corrected sheet. You must also include your SSN or student number on
all correspondence.
This subcourse consists of two lessons and an examination:
Credit Hours
Lesson 1 Army Rail Equipment; The
1
DieselElectric Locomotive
2 Rolling Stock
1
Examination
1
Total
3
You must complete the lesson exercises under the concept of selfpaced
instruction. You must grade the exercises yourself, using the lesson
solutions. Because of this, we have only forwarded one examination response
sheet with this subcourse. You must use this sheet to submit your answers
to the examination questions. After successfully completing the
examination, you are entitled to three credit hours for the entire
subcourse.
To complete this subcourse, you must
o Study the text material assigned for each lesson.
1
o Answer each question in all the lesson exercises by marking or
circling your answer in the lesson book.
o Check your answers against the solutions provided in the
subcourse. Look up the text reference given on the solution
sheet if you answered any question incorrectly. Study the
reference and evaluate all possible exercise solutions; make
sure you understand why the correct answer is the best choice.
o After completing the lesson exercises to your satisfaction,
complete the examination as directed and mail your response
sheet to AIPD for grading.
After you finish this subcourse, keep the reference text, lesson book,
solution sheets, and the examination. Only return the examination response
sheet to AIPD.
Text and materials furnished: Trans Subcourse TR0675,
Maintenance of
DieselElectric Locomotives and Rolling Stock
, June 1976, and one response
sheet for answering the examination questions.
LESSON 1........................Army Rail Equipment; The DieselElectric
Locomotive.
CREDIT HOURS....................1.
TEXT ASSIGNMENT.................Reference Text 675, paras.
1.12.30.
MATERIALS REQUIRED..............None.
LESSON OBJECTIVE................To enable you to describe Army railway
equipment and maintenance requirements for
dieselelectric locomotives.
SUGGESTIONS.....................None.
EXERCISES
Weight
Cluster TrueFalse
(Each of the following groups of questions is related
to the statement that precedes them. Write by each
question T or F.)
FIRST GROUP
Which of the following components are found on each
Army dieselelectric locomotive.
2
Weight
3
1. Main generator.
3
2. Auxiliary generator.
3
3. Steam generator.
3
4. Fuelflow sight glasses.
3
5. Air compressor.
SECOND GROUP
It is characteristic of each dieselelectric
locomotive the Army owns and operates that it:
4
6. Has an irregular torque that provides excellent high
speed pulling power.
4
7. Is classified according to its wheel arrangements.
4
8. Is equipped with three generators, the main, the
auxiliary, and the electric.
4
9. Generates power through the use of an internal
combustion engine.
4
10. Turns electrical energy into mechanical energy to
operate its traction motors.
Matching
Preventive maintenance procedures to be carried out on
various systems on a dieselelectric locomotive are
listed in column I. In column II, the systems are
listed. From column II, select the correct system
that matches the preventive maintenance procedure
listed in column I. Indicate your choice by writing
the proper letter by each question. Each item in
column II may be used once, more than once, or not at
all.
3
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