ARMY
NAVY
4-10.
a.
TM 5-6115-612-12
AG-320B0-0MM-000
Section VI.
TROUBLESHOOTING
GENERAL.
Troubleshooting Procedures. This
b. Tests /Inspect ions and Corrective
section consists of a troubleshooting
Actions.
Perform the tests/inspections
index
and
organizational
trouble=
shooting procedures.
Table 4-2 pro-
vides an index to assist in locating a
specific malfunction.
The first column
lists the operational mode or condition
of the generator set.
The second
column gives a very brief description
of the malfunction indication (usually
a red malfunction indicator light on
the control panel).
The third column
provides the malfunction number that
refers
maintenance personnel
to the
troubleshooting procedures in
table
4-3.
Table 4-3 lists the malfunctions
by number and provides troubleshooting
procedures.
malfunction
followed by tests and inspections that
will help determine the probable cause
and the corrective action to take.
Refer also to the foldout schematics
FO-3 and FO-4 in the back of this
manual.
and corrective actions in the order
listed.
After repair,
always repeat
the step or corrective action in table
4-3 to make sure the fault has been
corrected or traced properly, or that
other faults do not exist.
This manual
cannot list all malfunctions that may
occur,
nor all tests or inspections and
corrective actions.
If a malfunction
is not listed or cannot be corrected by
listed
corrective
actions,
notify
supervisor.
NOTE
E a c h
Before using this table, ensure
that
al 1
applicable
operating
checks have been performed and it
is verified that a malfunction
exists.
Table 4-2. Trou bleshooting Index
Mode/condition
Malfunction indication
Malfunction
Prestart
PANEL LIGHTS DO NOT COME ON.
1
DC CIRCUIT BREAKER TRIPS WHEN BATTERY
IS CONNECTED.
2
DC CIRCUIT BREAKER TRIPS WHEN MASTER
SWITCH IS SET TO RUN.
3
NO ELECTRICAL POWER TO CONTROL PANEL
AND DC CIRCUIT BREAKER HAS BEEN RESET.
4
No starter engagement
PLACING MASTER SWITCH IN START POSITION
DOES NOT CRANK ENGINE.
5
4-20
