TM 55-1730-229-12
TO 35C2-3-473-1
Table 2-1.
Control Panel, Controls and Indicators (continued)
Control or
Indicator
Description
Function
Indicates frequency
AC HERTZ meter
350 to 450 Hz scale,
(M10)
green band at 393-
407 yellow band at
375-393 and 407-425,
and red band below
375 and above 425
UNDER FREQUENCY
Red warning
Illuminates when GCU opens ac
indicator (DS17)
indicator light
contactor due to under
frequency.
PNEUMATIC Section
Activates GTE load control valve
PNEUMATIC POWER
Two-position
(LCV). Also closes normally
switch (S8)
(ON/OFF) toggle
open (N. O.) dump solenoid
switch (guarded)
valve.
PNEUMATIC POWER
Green indicator
Illuminates when PNEUMATIC POWER
indicator (DS13)
light.
switch is on.
PSIG PNEUMATIC
0 to 100 PSIG scale.
Indicates pressure in pneumatic
gauge
Green band at 24-60
output hose.
psig.
2-8
Change 8
