C 13, TM 9-2350-230-12
Section 8-2. TROUBLESHOOTING
NOTE. All references to M55IA1 in this section pertain to vehicles equipped with laser
range finder.
shooting the armament. Question the vehicle crew to
obtain the maximum number of observed symptoms.
8-7
Scope
The greater the number of symptoms of trouble that
can be evaluated, the easier will be the isolation of the
a. This
section
contains troubleshooting
defect.
information and provides tests for locating and correcting
some of the troubles which may develop in the vehicle,
c. Tests and remedies provided in this section are
armament, or sighting and fire control materiel. Each
governed by the scope of organizational level of
symptom of trouble or malfunction given for an individual
maintenance.
unit or system is followed by a list of probable causes
and corrective actions necessary to remedy the
d. Troubleshooting information is listed in table 8-4
malfunction.
which gives the symptoms of troubles usually
encountered, with the necessary corrective action. If the
b. If a specific trouble, test, or remedy is not
corrective action does not remedy the trouble, notify
covered in this manual, proceed to isolate the system in
support maintenance.
which the trouble occurs; then locate the trouble. Do not
neglect the use of any test instruments such as
e. Refer to table 10-3 for additional information on
testing, malfunctions, and remedies for the turret electric
hydrometer, or pressure and vacuum gages that are
drive control system.
available. Standard automotive theories and principles of
operation apply in troubleshooting the vehicle. Standard
armament procedures apply in trouble-
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