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Home > Ordnance Documents and other related manuals > > Task 1. Describe the characteristics and operation of the drive train and the suspension system
Lesson 1. Practical Exercise - Answers - Od161570029
Components of the  Drive Train.

Introduction to the High Mobility Multi - Purpose Wheeled Vehicle (HMMWV)
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INTRODUCTION TO THE HMMWV - OD1615 - LESSON 2/TASK 1
LESSON 2
THE CHARACTERISTICS AND OPERATION OF THE
DRIVE TRAIN AND SUSPENSION SYSTEM
TASK 1.
Describe the characteristics and operation of the drive train and
the suspension system.
CONDITIONS
Within  a  self-study
environment
and
given
the
subcourse
text,
without
assistance.
STANDARDS
Within one hour
REFERENCES
No supplementary references are needed for this task.
1.
Introduction
In the previous lesson, the basic characteristics of the high mobility
multi-purpose wheeled vehicle (HMMWV) and the characteristics and operation
of the 6.2 liter diesel engine used to power the vehicle were discussed.  In
this  task,  the  characteristics  and  operation  of  the  drive  train  and
suspension system will be discussed.
2.
Drive Train
The function of the drive train is to transmit the power of the engine to
the wheels.  In a simple situation, a set of gears or a chain could easily
perform this task, but automotive vehicles usually are not designed for such
simple operating conditions.
They are designed to have a great deal of
pulling power, move at high speeds, travel both in reverse and forward, and
operate on rough ground as well as smooth roads.
To meet these widely
varying demands, a number of units have been added.  These include clutches,
transmissions, auxiliary
22






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