TM 1-1510-218-10
2-114
b. Cockpit Lighting.
(1) Flight Instrument Lights. Each individual
flight
instrument
contains
internal
lamps
for
illumination. The circuit is protected by a 7.5-ampere
circuit breaker, placarded FLT INST, on the overhead
circuit breaker panel. Control is provided by two
rheostat
switches,
placarded
PILOT
INST
or
COPILOT INSTR LIGHTS OFF / BRT, on the
overhead control panel. Turning the control clockwise
from OFF turns the lights on and increases their
brilliance.
(2) Instrument Indirect Lights. Lights are
mounted in the glareshield overhang along the top
edge of the instrument panel to provide instrument
panel illumination. The circuit is protected by a
5-ampere circuit breaker, placarded INST INDIRECT,
on the overhead circuit breaker panel. Control is
provided by a rheostat switch, placarded INST or
INSTR INDIRECT LIGHTS OFF / BRT, on the
overhead control panel, Figure 2-15. Turning the
control clockwise from OFF turns the lights on and
increases their brilliance.
(3) Radio Panel Instrument Lights D2 T .
Radio panel instrument lights provide direct adjustable
lighting for individual radios and switches. A rheostat,
placarded RADIO PANEL LIGHTS, located on the
overhead control panel, is used to adjust light levels
from OFF to BRT (bright). Turning the control
clockwise from OFF turns the lights on and increases
their brilliance. The circuit is protected through a
7.5-ampere circuit breaker, placarded RADIO PANEL,
located on the overhead circuit breaker panel.
(4) Engine
Instrument
Lights.
Each
individual engine instrument contains internal lamps
for illumination. The circuit is protected by a
7.5-ampere circuit breaker, placarded FLT INST, on
the overhead circuit breaker panel. Control is provided
by a rheostat switch, placarded ENGINE INSTR
LIGHTS, on the overhead control panel. Turning the
control clockwise from OFF turns the lights on and
increases their brilliance.
(5) Flood Light. A single overhead flood light
is installed in the oxygen control escutcheon aft of the
overhead circuit breaker panel. It provides overall
illumination of the entire cockpit area. The circuit is
protected by a 5-ampere circuit breaker mounted
beneath the battery and connected to the emergency
battery bus. Control is provided by a rheostat switch,
placarded
OVERHEAD
FLOODLIGHT,
on
the
overhead control panel. Turning the control clockwise
from OFF turns the light on and increases its brilliance.
(6) Overhead Panel Lights C D T1 . Lamps
on the overhead circuit breaker panel, control panel,
and fuel management panel are protected by a
7.5-ampere circuit breaker, placarded LIGHTS OVHD,
on the overhead circuit breaker panel. Control is
provided by a rheostat switch, placarded OVERHEAD
PANEL LIGHTS OFF / BRT, on the overhead control
panel. Turning the control clockwise from OFF turns
the lights on and increases their brilliance.
(7) Overhead
Panel
Lights
T2 . The
rheostat, placarded OVERHEAD PANEL LIGHTS,
controls lighting for the magnetic compass, #1 and #2
Vac frequency meters, #1 and #2 dc voltmeters, and
fuel quantity gauges. Turning the control clockwise
from OFF turns the lights on and increases their
brilliance. Power and circuit protection is provided
through a 7.5-ampere circuit breaker, placarded
LIGHTS OVHD, located on the overhead control
panel.
(8) Subpanel and Console Lights C D .
Control is provided by two rheostat switches,
placarded SUBPANEL LIGHTS and CONSOLE INST
LIGHTS OFF / BRT, on the overhead control panel.
Turning the control clockwise from OFF turns the lights
on and increases their brilliance. Lamps on the pilot's
and copilot's subpanels console edge lit panels and
pedestal extension panels are protected by a
7.5-ampere
circuit
breaker,
placarded
LIGHTS
SUBPANEL
&
CONSOLE
C
D1
or
LIGHTS
SUBPANEL & CONSOLE D2 on the overhead circuit
breaker panel.
(9) Subpanel Lights T2 . Post lighting of the
gauges located on the pilot and copilot subpanels is
controlled by a rheostat, placarded SUBPANEL
LIGHTS, located on the overhead control panel.
Turning the control clockwise from OFF turns the lights
on and increases their brilliance. These lights receive
electrical power through and are protected by a circuit
breaker, placarded SUBPNL & CONSOLE, located in
the overhead circuit breaker panel.
(10) Console Lights T2 . Edge lighting of the
pressurization controller panel located on extended
pedestal is controlled by the rheostat, placarded
CONSOLE LIGHTS. Turning the control clockwise
from OFF turns the lights on and increases their
brilliance. Power is through and circuit protection is
provided by a circuit breaker, placarded SUBPNL &
CONSOLE, located in the overhead circuit breaker
panel.
(11) Free Air Temperature Lights C D T1 .
Two post lights are mounted adjacent to the free air
temperature gauge on the left cockpit sidewall trim
panel. The circuit is protected by a 7.5-ampere circuit
