ARMY TM 9-6115-670-14&P
1-23
1.18.2. Current Control. The DC relays cut off the DC control circuits to stop the engine under
conditions of low fuel, over-speed, or over-voltages. These conditions are indicated by illumination of
fault indicator lights on the control box. An overload relay opens the main AC contactor cutting generator
output under overload conditions. A reset button is on the relay the control circuit and allows the main
AC contactor to operate after the overload is removed. The main AC contactor is activated by means of
the AC POWER ON-OFF switch on the APU controller.
Figure 1-11. Current Control
