[1[!liUBDmu
11m
EMERGENCY
UGHTING
SYSTEM (IF INSTALLED)
Air-
craft
35-067
thru
35-415
and
aircraft
36-018
thru
36-047
The emergency lighting system consists
of
two batteries, a wing inspection
light,
a door
light,
upper center panel lights, and three system switches. The
system provides cabin
lighting
in
the event of a
failure
of
the normal
electri-
cal
system
and
lighting for passenger egress through the emergency
exit
or
cabin
door.
Switch function is as
follows:
WING INSPECTION
UGHT
When the
WING
INSPECTION
switch is set to
ON,
the wing inspection
light on the right side of the
fuselage
below the emetgency exit
will
illumi-
nate. This
light
may be
used
to
visually
inspect the
wing
for
ice accumulation
or for
illumination
during passenger egress through the emergency exit.
£MER
LT
TEST-A8M-DISARM
SWITCH
The
EMER
LT
TEST-ARM-DISARM
switch provides the test function
for
the system and for automatic illumination
of
the emergency
lights
in
the
event
of
an interruption
of
normal electrical power. For operation
of
the
emergency
lighting
system, at least one aircraft battery switch must be
in
the On position prior to activating any of the
EMER
IT
TEST-ARM-
DIS-
ARM
switch functions. Setting the switch to TEST simulates a power
failure
of the normal electrical system and illuminates the
wing
inspection
light,
door
light,
and
upper center panel
lights.
Setting the
switch
to
ARM
will
ann
the system to illuminate the emergency lights
in
the event
of
a power
failure
of
the normal electrical system. Setting the switch to
DISARM
isolates the
emergency
lights
from the emergency power supply.
The
switch
should be set to
ARM
prior to takeoff. When the switch
is
in
the
DISARM
position and the aircraft battery switches are On, an amber
light
adjacent to the switch
will
illuminate to indicate the switch should be set to
ARM.
For normal operations, after landing, the switch must
be
set to
DISARM
pri-
or to setting battery switches
OIT.
£MER
LTS-NORM SWITCH
The
EMER
LTS-NORM
switch
provides
for
manual illumination
of
the
emergency
lights.
When the
switch
is
set to
EMER
LTS,
the
wing
inspec-
tion, cabin
door,
and upper center panel lights
will
illuminate. For nonnal
operation, the switch should be set to
NORM.
Setting the switch to
NORM
does not hinder automatic
illumination
in the event
of
a power interruption
of
the normal electrical system.
2-82
FAA
APPROVED
4-30-76
REISSUED
2-25-81,
CHANGE
10
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