TM 9-2330-371-14&P
Section VI. ORGANIZATIONAL TROUBLESHOOTING PROCEDURES
Page
Page
Organizational Troubleshooting . . . . . . . . . . . . . . 4-18
Explanation of Columns. . . . . . . . . . . . . 4-17
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17
Symptom Index . . . . . . . . . . . . . . . . . . . . . . 4-17
INTRODUCTION
The table in this section lists the common malfunctions that may be found during the operation or
maintenance of the semitrailer or components. You should perform the test/inspections and
corrective actions in the order listed.
This manual cannot list all malfunctions that may occur, nor all tests or inspections and corrective
actions. If a malfunction is not listed or it is not corrected by the listed corrective actions, notify your
supervisor.
EXPLANATION OF COLUMNS
Visual or operational indication that something is wrong
MALFUNCTION
with the semitrailer.
Procedure to isolate the problem to a component or
TEST/INSPECTION
system.
Procedure to correct problem.
CORRECTIVE ACTION
SYMPTOM INDEX
This symptom index is provided as a quick way to get you to the part of the troubleshooting table
that will help you solve the problem you are having. It lists all the malfunctions covered in the
organizational troubleshooting table.
Page
AIR OVER HYDRAULIC BRAKE SYSTEM AND TOTAL AIR
Brakes will not release or release slowly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brakes will not apply or apply slowly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Brakes grab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Caging Failsafes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . .
Parking Brake .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ELECTRICAL SYSTEM
All lamps do not work. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . .
One or more clearance lights or service taillights do not work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stop lights do not work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Turn signals do not work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dim or flickering lights .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TIRES
Excessively worn, scuffed, or cupped tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LANDING GEAR
Landing gear is difficult to raise or lower . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24