24 volts on the voltmeter. Ammeter reading should
e. Reassembly. Refer to figure 3-16 and
reassemble the engine generator.
be between 0.9 and 1.07 amperes. If current does
f. Bench Testing, Field Draw. Install a suitable
not fall within this range, inspect the field frame
adapter plug in the connector. Connect a voltmeter
terminals, terminal insulation, internal con-
between the field terminal and generator frame.
g. Installation. Install the engine generator (TM
Connect an ammeter, field rheostat, battery switch,
and a fully-charged 24 volt battery in series with
each other and connect the group, the field ter-
h. On-Equipment Testing. Refer to TM 10-
minal, and generator frame. Close the battery
3930-243-12 for on-equipment testing procedure.
switch and adjust the field rheostat for a reading of