TM 9-6115-669-13&PTable 2-1 Control Cabinet Assembly, Description of Controls and Indicators (continued).ItemNumber28AC CIRCUIT INTERRUPTER ONilluminated pushbutton switch, green(S8, H14)29VOLTAGE ADJUST potentiometer,10 turn (R3)Set between 4 and 53031AC CIRCUIT INTERRUPTER OFFpushbutton switch (S7)VOLTAGE SELECTOR SWITCH(S11)L3-L1, L2-L3, L1-L2L1-N, L2-N, L3-N32PARALLEL OPERATION ON illumi-nated pushbutton switch, white (S9,H12)33PANEL DIMMER with switch (S16,Adjusts panel light brightness and shuts offR2)lights343536S16 off, R2 turned all the way leftS16 on, R2 turned to the rightFUEL TANK PUMP ON illuminatedpushbutton switch, green (S19, H16)LAMP TEST pushbutton switch (S20)FUEL TANK PUMP OFF pushbuttonswitch (S18)37GLOWPLUG ON lamp, amber (H1)DescriptionFunctionTurns on power system (main contactor),H14 lights up when power is ONAdjusts generator voltage:For rated voltage indicated on VOLTAGEmeter (11)Shuts down power system (main contactor);H14 goes out when power is OFFLine voltagesPhase voltagesIndicated on VOLTAGE meter (11)Initiates synchronization;H12 lights up during synchronizationAll active lights at minimum brightnessAll lights at maximum brightnessTurns fuel pump on;H16 lights up when fuel pump is onTests operation of front panel lampsShuts fuel pump off,H16 goes out when fuel pump is offLights up about 90 seconds after glowplugoperation begins2 - 5
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