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Section IV. TROUBLESHOOTING
45. Scope
a. T h i s s e c t i o n c o n t a i n s t r o u b l e s h o o t i n g i n f o r m a t i o n a n d t e s t s
for
locating
and
correcting
some of the troubles which may
Troubleshooting is a systematic
develop
in
the
semitrailer.
isolation of defective components by means of an analysis of
vehicle trouble symptoms: testing to determine the defective
component and applying the remedies. Each symptom of trouble
given for art individual unit or system is followed by a list of
probable causes of the trouble and suggested procedures to be
followed.
b. This
manual
cannot
cover
all
possible
troubles
and
defi-
ciencies
that
may
occur
under
the
many
conditions
of
opera-
tion. If a specific trouble, test, and remedy therefor, is not
covered
herein,
proceed
to
isolate
the
system
in
which
the
trouble
occurs
and
then
locate
the
defective
component.
Use
all the senses to observe and to locate troubles. Do not neglect
use of any test instruments, such as ohmmeter, voltmeter, am-
vacuum gages
meter, test lamp, hydrometer, and pressure
that
are
available.
Standard
automotive
theories
and
princi-
TAGO 1321B
73
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