TM 5-6115-400-12
(4) CONNECT VOLTMETER AS SHOWN IN C
(1) DETERMINE THAT BATTERY IS FULLY
ABOVE. IF BATTERY VOLTAGE (24 VOLTS)
CHARGED AND THAT ALL BATTERY AND
IS NOT INDICATED, THE STARTER IS
STARTER CABLES ARE SERVCEABLE AND
DEFECTIVE AND MUST BE REPLACED.
PROPERLY INSTALLED.
(5) MOMENTARILY CONNECT A JUMPER AS
SHOWN IN D ABOVE. THE VOLTMETER
(2) REMOVE
SOLENOID-TO-STARTER
READING SHOULD DROP TO ZERO AND
CONNECTOR AND CONNECT VOLTMETER
STARTER SHOULD CRANK ENGINE. IF
AS SHOWN IN B ABOVE. IF VOLTAGE IS
VOLTMETER READING DOES NOT DROP TO
INDICATED,
SOLENOID
SWITCH
IS
ZERO, SOLENOID SWITCH IS DEFECTIVE
DEFECTIVE AND MUST BE REPLACED.
AND MUST BE REPLACED. IF VOLTMETER
(3) INSTALL
THE
SOLENOID-TO-STARTER
READING DROPS TO ZERO BUT STARTER
CONNECTOR.
FAILS TO CRANK ENGINE, STARTER IS
DEFECTIVE AND MUST BE REPLACED.
6115-400-12/3-49
Figure 3-49. Starting motor and solenoid switch testing.
adjustment has been made to generator or
is increased, stop the engine and connect
regulator. Refer to sub-paragraph (5) above
a jumper wire between armature and field
terminals.
If charging rate does not
to polarize generator. Failure to polarize
increase as engine speed is increased,
generator may cause regulator contacts to
generator regulator is at fault and must be
be damaged by vibration, heavy arching,
adjusted or replaced.
and burning.
Caution: Generator must be polarized
b.Removal and Installation. Refer to figure 3-52 and
whenever leads to generator or generator
remove generator.
regulator have been removed or any
3-55
