POSITION LIGHTS -TAILCONE POSITION LIGHT TRANSFORMER
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POSITION LIGHTS -OPERATION
Operation
You use the navigation light switch (NAV) to operate the position lights. It is on the anti-ice/lighting panel on the P5 overhead panel. It is an alternate-action switch.
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POSITION LIGHTS -OPERATION
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POSITION LIGHTS -FUNCTIONAL DESCRIPTION
Functional Description
The NAV light switch sends a signal to the overhead panel ARINC 629 system (OPAS).
The signal goes to the ELMS electronic unit (EEU) in the P210 right and P110 left power management panels.
Switches close in the panels and cause the position light control relays to energize. This makes power go to the transformers.
Power also goes to the transformers when the towing power is on.
The transformers decrease the voltage from 115v ac to 10v ac and make the lights come on.
See the flight compartment illumination section for more information about the flight compartment lights that get power from the towing bus (SECTION 33-11).
See the integral panel lights section for more information about the integral panel lights that get power from the towing bus (SECTION 33-13).
See the towing power section for more information about the towing bus (SECTION 24-29).
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POSITION LIGHTS -FUNCTIONAL DESCRIPTION
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ANTI-COLLISION LIGHTS -INTRODUCTION
Purpose
The anti-collision lights aide in collision avoidance and make the airplane easier to see.
Power supplies give power to the lights and make them flash.
Location
The upper body anti-collision light is on the top of the fuselage. The lower body anti-collision light (not shown) is on the bottom of the fuselage. These lights are referred to as beacons.
The wing anti-collision lights are on the tips of the wings. The tailcone anti-collision light is on the tailcone. These lights are referred to as strobes.
The power supplies (not shown) are near the beacons and strobes. There is one power supply for each light.
General Description
The beacons and strobes are redundant systems.
The two beacon lights flash at the same time. The three strobe lights also flash at the same time, but not at the same time as the beacon lights.
Training Information Point
WARNING: DO NOT LET THE LIGHTS FLASH DIRECTLY IN YOUR EYES. THE INTENSITY OF THE LIGHT CAN CAUSE INJURY TO YOUR EYES TEMPORARILY.
WARNING: WAIT TEN MINUTES BEFORE YOU REMOVE A LIGHT. IF YOU TOUCH THE LIGHT WHEN IT IS HOT, INJURY TO PERSONS CAN OCCUR.
WARNING: DO NOT TOUCH THE POWER SUPPLY FOR THREE MINUTES AFTER YOU REMOVE THE POWER. IF YOU TOUCH A POWER SUPPLY BEFORE YOU BLEED IT, INJURY TO PERSONS OR DAMAGE TO EQUIPMENT CAN OCCUR.
CAUTION: DO NOT TOUCH THE LAMP WITH YOUR BARE HANDS. FINGERPRINTS DECREASE LIGHT OUTPUT AND CAN CAUSE FAILURE OF THE LAMP BEFORE THE USUAL TIME.
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ANTI-COLLISION LIGHTS -INTRODUCTION
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ANTI-COLLISION LIGHTS -UPPER AND LOWER BODY BEACONS
Component Locations You get access to the lower body beacon from the outside of the
airplane. The upper body beacon is on the top of the fuselage, above the forward wing to body fairing.
The lower body beacon is on the bottom of the fuselage, forward of the main gear wheel wells.
Physical Description
The lamps in the beacons are the xenon strobe type. They flash approximately 48 times per minute.
The beacon light has these components:
*
Lens
*
Lamp
*
Housing
*
Electrical connector
*
Relamping Handle
*
Reflector.
The lens is red.
Training Information Point
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