Operating instructions

TM 55-4920-394-13&P
Table 2-1. Controls and Instruments
CONTROL OR INSTRUMENT DESCRIPTION AND FUNCTION OR
LOCATION OPERATION
LOW PRESSURE TEST Test connection on panel External calibration
of low pressure gauge.
SYSTEM FILL valve Valve on panel Permits filling of
system from reser-
voir.
Panel Light Three clear incandescent Illuminate control
lamps across top of panel panel.
High Pressure Filter Red lamp on panel Lights in event of
high differential
pressure across high
pressure filter.
FILL SYSTEM gauge Duplex 0-200 psig on Indicates pressure on
panel both sides of fill
system filter simul-
taneously.
HOURMETER On panel; rotating drum Total test stand
type; 0-9.999 hours operating hours.
FLUID LEVEL Zero to full on right Indicates level
side of panel (amount) of fluid in
test stand reservoir;
electrically
actuated.
MOTOR RUNNING LIGHT Amber light on panel Indicates pump motor
is running.
LIGHTS ON Toggle switch on panel Turns panel illumin-
ating lights on and off.
FILL PUMP SWITCH Toggle switch on panel Starts fill pump
motor.
PUMP ON SWITCH Black push button on Starts pump motor.
panel
PUMP OFF SWITCH Red push button on panel Stops pump motor.
POWER ON SWITCH Off-On toggle type on Energizes supply
panel power (thru power
cord) to control
panel on test stand.
EMERGENCY STOP Red mushroom head push Cuts all power to
button stand.
2-3