TM 9-4910-663-12
(4) AUX START Switch (S39, fig 2-2). This momentary switch is
used to test the auxiliary start circuitry of certain generator con-
trol boxes.
(5) STARTER TEST Switch (S9, fig 2-2). This switch controls
application of battery voltage to a starter undergoing test.
Timer Panel.
e.
(1) DC VARIABLE POWER SUPPLY 0-32 VDC Control (T5, fig 2-4).
This control is used to adjust the output voltage of the dc variable
.
power supply in the test stand.
(2) BATTERY CHARGE CIRCUIT Control (T3, fig 2-4). This control
adjusts the dc charge current for the battery charging circuits.
(3) CHARGE INDICATOR Light (DS8, fig 2-4). This light, when
lighted, indicates that ac power is being applied to the battery
charging circuits-of the test stand.
(4) CHARGE TIMER (MINUTES) Control (TD1, fig 2-4). This control
is used to set the charge time (120 minutes maximum) when the test
stand is being used for battery charging.
f.
Drive Control Panel.
(1) START Pushbutton Switch (S3, fig 2-4). This switch is used
to start the varidrive and loadbank cooling air blower.
(2) AC POWER ON Indicator Light (DS2, fig 2-4). This indicator
light, when lighted, indicates that primary ac power is being applied
to the test stand power circuits.
This control is used to adjust the
speed of the varidrive.
(4) DRIVE ON Indicator Light (DS1, fig 2-4). This indicator
light, when lighted, indicates that ac input power is being applied to
the varidrive.
(5) STOP Pushbutton Switch (S2, fig 2-4). This switch is used
to stop the varidrive and loadbank cooling air blower.
WARNING
HIGH VOLTAGES/HIGH AMPERES
High voltages and high amperes are contained
within the high voltage panel. Voltage and am-
peres may be sufficient to cause DEATH.
2-12
