TM-9-2320-273-10
TRUCK, TRACTOR, LINE HAUL; LIGHT EQUIPMENT TRANSPORTER; TRUCK CHASSIS; MEDIUM EQUIPMENT TRANSPORTER
TECHNICAL MANUAL; OPERATOR’S MANUAL
DECEMBER 2012
TM-9-2320-273-10 - Page 26 of 452
HOW TO USE THIS MANUAL - CONTINUED
Abbreviations and acronyms are only spelled out within the text the first time they
appear in the manual. A list of all abbreviations and acronyms used in this TM is
provided in General Information, WP 0001.
HOW TO USE YOUR MANUAL
The format of this manual is designed to make accessing information quick and easy.
The following example is intended as a guide and should be reviewed and put to
memory before attempting to use this manual. If you have any questions after
reviewing the following example, don’t hesitate to ask your supervisor.
PROBLEM: You observe while leaving the motor pool that the semi-trailer brakes will
not apply when the vehicle service brake is used or trailer brake hand control on
steering column is used.
SOLUTION: You must find information on the vehicle brake system in the operator’s
manual, review the operating procedures, and if necessary, perform the appropriate
troubleshooting tasks to solve the problem.
1. Refer to the TOC to determine what chapter and WP contains information on
brake system operation. If there is not an obvious WP title that indicates the
specific information on brakes, you may locate the information more quickly by
using the subject index. After reviewing the TOC and/or subject index, you
determine that Chapter 2, Operation Under Usual Conditions, WP 0006, and
Chapter 4, Troubleshooting Procedures, WP 0023, contain the information you
desire.
2. Go to WP 0006 and review the operating procedures pertaining to coupling and
stopping semi-trailer. Then go to WP 0022 and look through the list of
malfunctions in the Troubleshooting Master Index until you identify the
malfunction that most accurately fits the problem.
3. Go to WP 0023-10, Trailer Brakes Will Not Apply When Brake Pedal Is Used or
Hand Control on Steering Column is Used, and follow the steps listed. As you
perform the procedure you discover that one of the inter-vehicular air hoses is
leaking due to a damaged pressure coupling. Now you must notify Field
Maintenance as instructed.
4. When maintenance is allocated at the operator’s level, you must perform and
complete all instructions as outlined.
TM 9-2320-273-10
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