TM 9-2320-365-34-1
g. Indicator Lights and Alarms. The lighted indicator display (9) and audible alarm (10), located on the instrument
panel assembly, are activated by switches located in various systems. These include, but are not limited to; master
stop, low engine oil pressure, low air pressure, high water temperature, engine fan off, and high transmission oil
temperature. When any of these switches are activated, they energize the proper indicator and/or alarm, alerting the
operator of a potential problem or condition which needs to be monitored.
Figure 1-14. Troubleshooting Aid
h. Troubleshooting Aid. A start inhibit switch (1, Figure 1-14), located on the Power Distribution Panel (PDP) (2),
is provided as a troubleshooting aid for the Unit and DS Maintenance levels and as a maintenance tool at the GS
Maintenance level to stop fuel flow at the fuel shutoff solenoid (3). By pressing the start inhibit switch first, the starter
pushbutton (4) can be pressed and the engine cranked without allowing the engine to be started. The start inhibit
switch is reset when the master power switch is positioned to off and then to on again.
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