B. Replace a Strobe Light Filament in the Wing-Tip
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Detail Steps/Work Items  Key Items/References 
(1)  Set the ALT/BAT switch (Lycoming version) or ELECTRIC MASTER key switch (TAE version) to OFF. 
WARNING: AFTER YOU SET THE POWER TO OFF, MAKE SURE THAT YOU WAIT A MINIMUM OF FIVE MINUTES BEFORE YOU DO WORK ON THE STROBE LIGHTS. THE POWER SUPPLIES TO THE STROBE LIGHTS GENERATE HIGH VOLTAGE. HIGH VOLTAGE CAN CAUSE DEATH OR INJURY TO PERSONS. 
(2)  Remove the light unit cover from the wing -tip and the lamp glasses.  Refer to Figure 1. 
(3)  Replace the strobe light filament: 
(5)  Install the lamp glasses and the light unit cover. 
WARNING: DO NOT OPERATE THE STROBE LIGHTS WHEN PERSONS ARE CLOSE TO THE AIRPLANE AND DO NOT LOOK AT THE LIGHT WHEN IT OPERATES. STROBE LIGHTS CAN CAUSE EYE DAMAGE. 
(6)  Do an operational test of the strobe light. 

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Lights
AMM

5. Remove/Install the Light Unit in the Wing-Tip
A. Remove the Light unit in the Wing-Tip
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Detail Steps/Work Items  Key Items/References 
(1)  Set the ALT/BAT switch (Lycoming version) or ELECTRIC MASTER key switch (TAE version) to OFF and set the LANDING/TAXI/MAP circuit-breakers open. 
WARNING: AFTER YOU SET THE POWER TO OFF, MAKE SURE THAT YOU WAIT A MINIMUM OF FIVE MINUTES BEFORE YOU DO WORK ON THE STROBE LIGHTS. THE POWER SUPPLIES TO THE STROBE LIGHTS GENERATE HIGH VOLTAGE. HIGH VOLTAGE CAN CAUSE DEATH OR INJURY TO PERSONS. 
(2)  Remove the light unit cover from the wing -tip and the lamp glasses.  Refer to Figure 1. 
(3)  Remove the 3 light filaments. 
(4)  Remove the light unit from the wing-tip: S Remove the screws which attach the light unit to the wing-tip. S Carefully move the light unit out from the wing tip. S Disconnect the 2 connectors from the rear of the light unit. S Move the light unit clear from the airplane. 

B. Install the Light unit in the Wing-Tip
Detail Steps/Work Items  Key Items/References 
(1)  Put the light unit in position in the wing-tip and connect the 2 electrical connectors to the rear of the light unit. 
(2)  Install the screws that attach the light unit to the wing-tip. 
(3)  Install the 3 filaments to the light unit. 

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DA 40 Series

Detail Steps/Work Items  Key Items/References 
WARNING: DO NOT OPERATE THE STROBE LIGHTS WHEN PERSONS ARE CLOSE TO THE AIRPLANE AND DO NOT LOOK AT THE LIGHT WHEN IT OPERATES. STROBE LIGHTS CAN CAUSE EYE DAMAGE. 
(4)  Do an operational test of the position and strobe lights: S Set the ALT/BAT switch (Lycoming version) or ELECTRIC MASTER key switch (TAE version) to ON. S Set the LANDING, TAXI/MAP and STROBE circuit-breakers closed. S Set the POSITION and STROBE switches to ON. 
(5)  Set the POSITION and STROBE switches to OFF. 
(6)  Set the ALT/BAT switch (Lycoming version) or ELECTRIC MASTER key switch (TAE version) to OFF. 
WARNING: AFTER YOU SET THE POWER TO OFF, MAKE SURE THAT YOU WAIT A MINIMUM OF FIVE MINUTES BEFORE YOU DO WORK ON THE STROBE LIGHTS. THE POWER SUPPLIES TO THE STROBE LIGHTS GENERATE HIGH VOLTAGE. HIGH VOLTAGE CAN CAUSE DEATH OR INJURY TO PERSONS. 
(7)  Wait for a minimum of 3 minutes and install the lamp glasses and the light unit cover. 

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