INTRODUCTION TO THE HMMWV - OD1615 - LESSON 3/TASK 1
LESSON 3
THE CHARACTERISTICS AND OPERATION
OF THE BRAKE/STEERING SYSTEM
TASK 1.
Describe the characteristics and operation of the brake system
and the steering 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 lessons and tasks, the general characteristics of the high
mobility
multi-purpose
wheeled
vehicle
(HMMWV),
characteristics
and
operation of the 6.2 liter diesel engine, the drive train, and the
suspension system were covered.
In this task, the characteristics and
operation of the brake and steering systems will be discussed.
2.
Brake System
There are two brake systems in use on the HMMWV. One is the service brakes,
and the other the parking brakes. The service brake system is a four wheel
hydraulic disc brake system boosted by hydraulic pressure supplied by the
vehicle's power steering system.
The service brake system is manually
actuated and hydraulically assisted and operated.
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