TM 9-2320-211-10-3
TROUBLESHOOTING APPROACH
GENERAL
APPROACH.
This chapter gives you instructions on how to use the
troubleshooting
material
to
help you find and fix the trouble. In every system of
the
truck
there
can
be
faults
or
problems
which
will
cause
certain
symptoms.
Symptoms
can be such things as unusual noise, vibration, or even complete failure of a system.
This volume gives information for each system on which you can do troubleshooting to
Before you troubleshoot a system, you should look at the
find faults and fix them.
troubleshooting
indexes
which
will
lead
you to the information you need to help make
If you follow the instructions the right way,
your
troubleshooting
faster
and
easier.
But, if you fix something and the trouble
you will find those troubles
you
can fix.
If
this
happens,
start
all
over
is still there, it means
there is
more
than
one
trouble.
again to find the other
trouble.
TROUBLESHOOTING
I N D E X. The troubleshooting index, and instructions on
Go
to
this
index
first
because
it
tells
you
where
to
how to
use
it
are
in
summary
troubleshooting
charts
find
troubleshooting
roadmaps,
fault
symptom
indexes,
and
support
diagrams
for
each
system.
TROUB
LESHOOTING
R O A D M A P S.
Troubleshooting
roadmaps
for
each
system
are
in chapter 5.
If
the
system
is
made
up of subsystems,
these subsystems are
also on
the
roadmap.
Under the subsystem is a list of things which are the most likely causes
If you have enough skill, you can troubleshoot
of a fault symptom in that subsystem.
these
things
on
the
truck
without
using
the
detailed
troubleshooting
procedures.
So
if you know enough about the truck
to work on your
own, use the roadmap
for
the
system with the problem before you
check the fault
symptom index.
FAULT SYMPTOM INDEX. Fault symptom indexes and instructions on how to use
them are in chapter f6. For each system of the truck, there is an index which gives
The index also tells you where to
you a list of the fault symptoms for that system.
find
the
detailed
troubleshooting
procedures
and
what
resources
(tools/people)
you
need
to
do
each
procedure.
SAMPLE
TROUBLESHOOTING
PROCEDURE.
A
sample
troubleshooting
procedure
is in
7.
This
sample
procedure
will
help
you
see the way detailed trouble-
shooting
procedures
are
to
be
used.
