Learjet 20 Series Pilot Training Manual page 341

MANUAL SHUTOFF VALVE
FILLER VALVE
CREW OXYGEN MASK
SOLENOID VALVE
ANEROID SWITCH
NORMALLY CLOSED
DOOR LATCH
LANYARD ACTUATOR
17-4
LEARJET 20 SERIES PILOT TRAINING MANUAL
AND REGULATOR
(NORMALLY OPEN)
FLOW DETECTOR
VALVE
Figure 17-3. Oxygen Schematic No. 3
FOR TRAINING PURPOSES ONLY
FlightSafety
OXYGEN CYLINDER
DISCHARGE INDICATOR
PRESSURE GAGE
(ON INSTRUMENT PANEL)
CREW OXYGEN MASK
PASS OXY VALVE
AUTO—OFF
NORMALLY OPEN (AUTO)
PASS MASK VALVE
MAN—AUTO
NORMALLY CLOSED (AUTO)
PASSENGER MASK
*
*
*
* PROVISIONS FOR OPTIONAL
OXYGEN MASKS
*
EFFECTIVITY:
24-289 AND SUBSEQUENT
25-183 AND SUBSEQUENT
LEGEND
international
STORAGE
COMPARTMENT
LANYARD
SUPPLY PRESSURE
REGULATED PRESSURE