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TM 10-4320-342-10
2-2. LOCATION AND USE OF CONTROLS AND INDICATORS.
Refer to Figure 2-1.
Key
Control or Indicator
Function/Use
1
MASTER ON/OFF SWITCH
Applies 24 vdc to electrical system.
2
FUEL HEAT ON/OFF Switch
Fuel heat switch turns fuel heater on and off. Heating of
engine fuel is required at temperatures below 10°F (-12°C).
3
ENGINE PUMPS ON/OFF
Switch is used to turn gear reducer oil pumps (2 each) and
Switch
engine fuel pump on and off. Pumps must be on before
engine can be started.
4
START Switch
Switch is a two-position, toggle switch used to start and run
engine. To start engine, switch is set to START position.
Engine will stop when switch is set to STOP position.
5
PUMP CLUTCH
Switch is used to engage or disengage clutch in 200/600
ENGAGED/DISENGAGED
GPM fuel pump. Engine must be running before clutch can
Switch
be engaged.
6
BATTERY Gage (Ammeter)
Ammeter indicates rate of current at which battery is being
charged or discharged.
7
CLUTCH DISENGAGED Light
CLUTCH DISENGAGED Light illuminates if the PUMP
CLUTCH switch is on and pump clutch disengaged. With
power on, press to test-light illuminates.
8
Panel lights
Panel lights illuminate panel to facilitate operation and
monitoring.
9
ENGINE Light
Engine light illuminates with problem in engine. With
power on, press to test - light illuminates.
10
ENGINE OIL TEMP Light
Engine Oil temperature light illuminates if engine oil
temperature is high. With power on, press to test - light
illuminates.
11
Panel LIGHT Switch and
Light switch and rheostat turns panel lights on and off and
Rheostat
controls brightness of lamps.
12
DISCHARGE Pressure Gage
Indicates 200/600 GMP fuel pump outlet pressure in psi.
13
SUCTION Pressure Gage
Indicates vacuum/pressure in inches of mercury, and
pressure in psi at the 200/600 GMP fuel pump inlet port.
14
Circuit Breakers
The circuit breakers provide overcurrent protection as
follows. When an overcurrent condition exists, circuit
breakers pop out. When overcurrent condition has been
corrected circuit breakers must be reactivated (pushed in):
(a)
MAIN Circuit Breaker. Main circuit breaker opens if
more than 15 Amperes are drawn by the entire
electrical system.
2-2
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