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Replace the switch.
Do a continuity test of the
wiring. Repair/ replace
defective wiring. See Chapter
92 for wiring diagrams.
Connect the connector
correctly.
DA20-C1 AMM
Lights
Doc # DA201-C1
Rev. 1 33-40-00 Page 201
24 Mar 1999
MAINTENANCE PRACTICES
1. General
These maintenance practices tell you how to remove/install defective bulbs and light units. And
they tell you how to adjust the landing light and the taxi light. They also tell you how to
remove/install components in the system. Refer to Chapter 92 for details of the electrical wiring.
WARNING: DO NOT OPERATE THE ANTI-COLLISION LIGHTS WHEN PERSONS
ARE CLOSE TO THE AIRPLANE. AND DO NOT LOOK DIRECTLY AT
THE LIGHT WHEN IT OPERATES. ANTI-COLLISION LIGHTS CAN
CAUSE EYE DAMAGE.
WARNING: AFTER YOU SET THE POWER TO OFF, MAKE SURE YOU WAIT FOR
A MINIMUM OF FIVE MINUTES BEFORE YOU DO WORK ON THE
ANTI COLLISION LIGHTS. THE POWER SUPPLIES TO THE ANTI
COLLISION LIGHTS GENERATE HIGH VOLTAGE. HIGH VOLTAGE
CAN CAUSE DEATH OR INJURY TO PERSONS.
2. Remove/Install The Taxi Light
A. Remove The Taxi Light
Detail Steps/Work Items Key Items
(1) Set the GEN/BAT switch to OFF.
(2) Remove the taxi/landing light cover from the
wing.
− Examine the white vinyl tape on the
cover for damage. If necessary, replace
the tape.
(3) Remove the screws that attach the taxi light
to the wing.
The taxi light is the outboard assembly.
Refer to Chapter 33-00 Figure:1
(4) Hold the taxi light and carefully move the
light out from the wing.
− Disconnect the electrical connector from
the rear of the taxi light.
− Remove the taxi light.
Lights
DA20-C1 AMM
Page 202
24 Mar 1999 33-40-00 Doc # DA201-C1
Rev. 1
B. Install The Taxi Light
Detail Steps/Work Items Key Items
(1) Hold the taxi light in position at the leading
edge of the left wing.
− Connect the electrical connector to the
rear of the taxi light.
(2) Install the screws that attach the taxi light
assembly to the wing.
(3) Do an operational test of the taxi light.
− Set the GEN/BAT switch to ON.
− Set the TAXI/MAP circuit breaker to
closed.
− Set the taxi light switch to ON.
(4) If necessary, adjust the position of the taxi
light beam.
Refer to the taxi light adjust procedure.
(5) Set the taxi light switch to OFF. Set the
GEN/BAT switch to OFF.
(6) Install the taxi/landing light cover to the wing.
3. Remove/Install The Landing Light
A. Remove The Landing Light
Detail Steps/Work Items Key Items
(1) Set the GEN/BAT switch to OFF.
(2) Remove the taxi/landing light cover from the
wing.
− Examine the white vinyl tape on the
cover for damage. If necessary, replace
the tape.
DA20-C1 AMM
Lights
Doc # DA201-C1
Rev. 0 33-40-00 Page 203
19 Dec 1997
Detail Steps/Work Items Key Items
(3) Remove the screws that attach the landing
light to the wing.
The landing light is the inboard assembly.
Refer to Chapter 33-00 Figure:1
(4) Hold the landing light and carefully move the
light out from the wing.
− Disconnect the electrical connector from
the rear of the taxi light.
− Remove the taxi light.
B. Install The Landing Light
Detail Steps/Work Items Key Items
(1) Hold the landing light in position at the
leading edge of the left wing.
− Connect the electrical connector to the
rear of the landing light.
(2) Install the screws that attach the landing light
assembly to the wing.
(3) Do an operational test of the landing light.
− Set the GEN/BAT switch to ON.
− Set the LANDING circuit breaker to
closed.
− Set the taxi light switch to ON.
(4) If necessary, adjust the position of the
landing light beam.
Refer to the taxi/landing light adjust
procedure.
(5) Set the landing light switch to OFF. Set the
GEN/BAT switch to OFF.
(6) Install the taxi/landing light cover to the wing.
Lights
DA20-C1 AMM
Page 204
24 Mar 1999 33-40-00 Doc # DA201-C1
Rev. 1
4. Adjust The Position Of The Taxi/Landing Light Beam
Detail Steps/Work Items Key Items
(1) Remove the taxi/landing light cover from the
wing.
− Examine the white vinyl tape on the
cover for damage. If necessary, replace
the tape.
(2) To adjust the position of the light beam:
− Turn the adjustment screw on the front of
the taxi/landing light assembly clockwise
or counter-clockwise to set the correct
　
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