Learjet 60 - Passenger Mask (Figure 6-7); Passenger Masks

Learjet 60

Pilot's Manual
deploy the passenger masks
at any cabin altitude and must be
used if
electrical power is unavailable .
3, With
the PASSENGER OXYGEN valve in the
OFF position, oxy-
gen will not be available to the passenger
distribution system
regardless of cabin altitude
. This position can be used when
oxygen is required
for the crew members only .
PASSENGER MASKS
The
passenger oxygen masks
are stowed in compartments in the con-
venience panels above the passenger seats . Whenever the compart-
ment doors open
automatically
(PASSENGER
OXYGEN-AUTO)
or
antially (PASSENGER
OXYGEN-DEPLOY) the passenger oxygen
masks will fall
free and
oxygen ~ , Jll be available for passenger use .
assengers should don masks and pull the mask lanyard to initiate
oxygen flow . An orifice incorporated in the
mask tubing connections
will provide a constant
flaw
rate of
4 .5 liters per minute . A green area
of doe reservoir bay ; inflates when oxygen is flowing . Should the doors
be inadvertently opened from the cockpit, pressure must
be bled from
the
system by pulling one of the mask lanyards
before the masks can be
restowed . The compartment doors can
be opened manually for mask
cleaning and
servicing
per
Maintenance Manual instructions .
PM-123
Change 4
OXYGEN VALVE
(LANYARD
OPERATED)
OXYGEN
MASK
PASSENGER MASK
Figure 6-7
GREEN INFLATED
OXYGEN OK
ELASTIC
STRAP
F60-060000-002-01
6-21 '