TM 55-4920-328-13
Table 2.5. Function of Controls and Indicators - - Continued
INDEX AND
REFERENCE
FIGURE NO.
NOMENCLATURE
DESIGNATION
FUNCTION OR INDICATION
OPERATOR'S SUB-MODULE (figure 1-24)-Continued
10, figure
DE-ICE VALVE
3A3DS2
Used to indicate the open position of
1-24
OPEN Indicator
the engine de-icing valve during test of a
T63 engine.
14, figure
DE-ICE VALVE
3A3DS7
Used to indicate the closed position of
1-24
CLOSED Indicator
the engine de-icing valve during test
of a T63 engine.
11, figure
FUEL FILTER
3A3DS3
Used to indicate the fuel is bypassing
1-24
BYPASS Indicator
the fuel filter, indicating that the filter
requires servicing.
12, figure
T73 FUEL HTR VALVE
3A3DS4
Used to indicate the open position of
1-24
OPEN Indicator
the fuel heater valve on a T73 engine.
15, figure
T73 FUEL HTR VALVE
3A3DS9
Used to indicate the closed position of
1-24
CLOSED Indicator
the fuel heater valve on a T73 engine.
35, figure
TIMER START
3A3S20
Used to initiate the start of the timing
1-24
Switchlight Unit
cycle for engine starting and c during
coast down. When deenergized, the
switch interrupts a circuit to deenergize
the ELAPSED TIME indicator (37, figure
1-24) and apply a for instantaneous
stopping action.
36, figure
TIMER RESET
3A3S19
Used to reset the ELAPSED TIME
1-24
Switchlight
indicator (37, figure 1-24) to a setting of
000.0.
CHANGE 2
2-27
