2-2. CONTROLS,
TM 55-2090-201-14&P
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CONTROLS AND INDICATORS (Continued).
1st Stage Pressure Gauge.
Needle points to actual fluid pressure
at 1st stage prefilter separator outlet.
2nd State Pressure Gauge.
Needle points to actual fluid pressure
at 2nd stage separator outlet.
3rd Stage Pressure Gauge.
Needle points to actual fluid pressure
at 3rd stage separator outlet.
Supply Pump Indicator Light.
Lights up when pump switch is
turned ON.
Supply Pump Selector Switch.
Switch for turning electrical power
ON-OFF for supply pump.
Oil Dump First Stage Light/Button.
Lights when mini-probe sig-
nals solenoid operated discharge valve to
open and discharge oil.
Provides a push
button to depress to test function of mini-
probe to open discharge valve.
Monitor Indicator Light.
Lights up when monitor switch is turned
ON.
Oil Dump Second Stage Light/Button.
Lights when mini-probe sig-
nals solenoid operated discharge valve to
open and discharge oil.
Provides a push
button to depress to test function of mini-
probe to open discharge valve.
Monitor Selector Switch.
Switch for turning electric ON-OFF for
monitor light.
Overboard Indicator Light.
Lights up when solenoid operated
water discharge valve is opened to discharge
water overboard.
Auto Control Selector Switch.
Switch for turning electric ON-OFF
to operate the relays, solenoid valves, and
mini-probes.
Auto Control Indicator Light.
Lights up when control circuit is
turned ON.
Solenoid Operated Oil Discharge Valve.
Valve opens when mini-
probe in prefilter separator detects oil
and transmits electric signal to valve.
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