33-42-00
ALL ú ú 01 Page 2 ú Oct 10/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
LANDING RUNWAY TURNOFF AND NOSE GEAR TAXI LIGHTS - ADJUSTMENT/TEST
__________________________________________________________________
1. General_______
A. This procedure contains these tasks:
(1)
A task to do an operational test of the landing lights.
(2)
A task to do an operational test of the runway turnoff lights (Referred to as the turnoff lights).
(3)
A task to do an operational test of the nose gear taxi lights (Referred to as the taxi lights).
TASK 33-42-00-705-001
2. Landing Lights Operational Test_______________________________
A. References
(1)
AMM 9-11-00/201, Airplane Towing
(2)
AMM 24-22-00/201, Manual Control
(3)
SSM 33-42-10 thru 33-42-20
(4)
WDM 33-42-11 thru 33-42-12
B. Access
(1) Location Zone 511 Inboard Leading Edge of Left Wing 611 Inboard Leading Edge of Right Wing
C. Procedure
S 865-002
(1)
Supply electrical power (Ref 24-22-00/201)
S 865-044
(2)
Make sure these circuit breakers are closed:
(a)
P414 Power Distribution Center - Left 1) 415L31 LANDING LT L OUTBD 2) 414L3 LANDING LT L INBD 3) 414L2 LANDING LT R INBD 4) 415L32 LANDING LT R OUTBD
(b)
P7 Panel 1) 7F24 LANDING GEAR LEVER LOCK
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33-42-00
ALL ú ú 02 Page 501 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 495-005
WARNING: YOU MUST CAREFULLY INSTALL THE GROUND LOCKS IN ALL LANDING
_______ GEAR. AN ACCIDENTAL RETACTION OF THE LANDING GEAR CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(3) Install the ground locks in all landing gear (Ref 9-11-00/201).
S 495-006
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO INSTALL
_______ THE DOOR LOCKS ON THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT INSTALL THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(4)
Do this task: "Installation of the Door Locks on the Landing Gear" (Ref 32-00-30/201).
S 715-033
(5)
Do these steps to do a test of the outboard lights:
CAUTION: DO NOT KEEP THE LIGHTS ON FOR MORE THAN FIVE MINUTES.
_______ AFTER YOU MAKE THE LIGHTS COME ON, MAKE THE LIGHTS GO OFF FOR AN EQUAL TIME. BECAUSE OF THE HEAT, THE CONTINUOUS OPERATION OF THE LIGHTS WILL DECREASE THE LIFE OF THE LAMPS.
(a)
Put the OUTBD - L and INBD - L or the OUTBD - R and INBD - R switches on the P5 panel to ON.
(b)
Make sure the applicable light is on.
(c)
Put the landing gear lever to UP.
(d)
Make sure the light changes from a bright intensity to a dim intensity.
(e)
Put the landing gear lever to OFF.
(f)
Make sure the light stays dim.
(g)
Put the OUTBD - L and INBD - L or the OUTBD - R and INBD - R switches on the P5 panel to OFF.
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33-42-00
ALL ú ú 01 Page 502 ú Oct 10/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
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