TM-9-2320-280-20-1
TRUCK, UTILITY: M998 SERIES
TECHNICAL MANUAL; UNIT MAINTENANCE; VOLUME 1 OF 3
JANUARY 1996
TM-9-2320-280-20-1 - Page 24 of 888
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TM 9-2320-280-20-1
HOW TO USE THIS MANUAL
ABOUT YOUR MANUAL
a.
Spend some time looking through this manual. You’ll find that it has a new look, different than most of
the TMs you’ve been using. New features added to improve the convenience of this manual and increase
your efficiency are:
1. Accessing Information
- These include physical entry features such as the bleed-to-edge indicators
on the cover and edge of the manual. Extensive troubleshooting guides for specific systems lead
directly to step by step directions for problem solving and maintenance tasks.
2. Illustrations
- A variety of methods are used to make locating and fixing components much easier.
Locator illustrations with keyed text, exploded views, and cut-away diagrams make the information in
this manual easier to understand.
3. Keying Text With Illustrations
- Instructions are located together with figures that illustrate the
specific task you are working on. In most cases, the task steps and figures are located side by side
making part identification and procedure sequence easier to follow.
The TM is the fundamental means by which the Army communicates to soldiers the requirements and
procedures necessary to perform equipment operations and maintenance. This manual describes in detail
the Unit Maintenance authorized by the Maintenance Allocation Chart (appendix B) and Source,
Maintenance, and Recovery (SMR) codes (TM 9-2320-280-24P).
b. General Features.
Your TM is the best source available for providing information and data critical to
vehicle operation and maintenance:
Safety summary (warning page a, b, and c)
General information, equipment descriptions, and data (chapter 1)
Principles of operation (chapter 1, section III)
Preventive Maintenance Checks and Services – PMCS (chapter 2, section III)
Electrical/Mechanical Systems Troubleshooting (chapter 2, section IV)
Detailed maintenance procedures (chapters 3-12)
General maintenance instructions (chapter 2, section II and III)
Maintenance Allocation Chart - MAC (appendix B)
Expendable/durable supplies and materials list (appendix C)
Manufactured items (appendix D)
Torque limits (appendix E)
Wiring Diagrams and Schematic (appendix F)
Mandatory replacement parts (appendix G)
A typical example of how to use this manual is provided on the following pages.
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