WARNING: MAKE SURE YOU SEAL EACH BARE ELECTRICAL CONNECTION NEAR
_______ THE LIGHT TO PREVENT AN EXPLOSION OF FUEL FUMES. AN EXPLOSION CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (c) Seal each electrical connection (AMM 20-11-29/201).
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 33-42-03
 ALL  ú ú 03 Page 203 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 (d)  Install the replacement lamp (4) in the light housing.
 CAUTION: WHEN YOU INSTALL THE LAMP, MAKE SURE IT IS CORRECTLY
_______ ALIGNED AGAINST THE RETAINING RING. THE LAMP CAN BREAK IF YOU DO NOT INSTALL IT CORRECTLY.
 (e)  
Put the outer retainer ring (2) on the lamp.

 (f)  
Align the vertical lines on the lamp with the label, TOP, above the lamp.

 (g)  
Install the retaining screws (1).

 S 862-036
 (3) Remove the DO-NOT-CLOSE tags and close these circuit breakers:
 (a)  P414 Power Distribution Center Panel - Left 1) 414L20 LIGHT RUNWAY TURNOFF LEFT & CONT 2) 414L21 LIGHT RUNWAY TURNOFF RIGHT
 S 712-034
 (4)  Do a test of the replacement lamp:
 (a)  
Supply electrical power (Ref 24-22-00/201).

 (b)  
Put the applicable RWY TURNOFF switch on the P5 panel to ON.

 (c)  
Make sure the replaced lamp comes on.

 (d)  
Put the RWY TURNOFF switch on the P5 panel to OFF.

 (e)  
Make sure the light is off.

 S 092-015
 WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO REMOVE THE
_______ DOOR LOCKS FROM THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT REMOVE THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (5)  
Do this task: "The Removal of the Door Locks on the Nose Landing Gear" (Ref 32-00-30/201).

 S 862-016

 (6)  
Remove electrical power if it is not necessary (Ref 24-22-00/201).

 TASK 33-42-03-822-017
 3. Adjustment (Runway Turnoff Lights) (Fig. 201)
__________
 A. Special Tools and Equipment
 (1)  
11MIT65B04012 Actuator Lock - Nose Landing Gear Door (Recommended)

 (2)  
10MIT65B04012 Actuator Lock - Nose Landing Gear Door (Alternative)

 (3)  
7MIT65B04012 Actuator Lock - Nose Landing Gear Door (Alternative)

 B. References
 (1)  
8-00-00/201, Leveling and Weighing

 (2)  
24-22-00/201, Manual Control

 (3)  
32-00-30/201, Landing Gear Door Locks

 (4)  
IPC 33-42-00

 (5)  
SSM 33-42-10

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 33-42-03
 ALL  ú ú 02 Page 204 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 C. Access
 (1)  Location Zones
 711 Nose Landing Gear Door Lock, Fwd Left
 712 Nose Landing Gear Door Lock, Fwd Right
 713 Nose Landing Gear Door Lock, Aft Left
 714 Nose Landing Gear Door Lock, Aft Right

 D. Prepare to Do the Adjustment
 S 492-019
 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.
 (1)  
Do this task: "The Installation of the Door Locks on the Nose Landing Gear" (Ref 32-00-30/201).

 S 862-020

 (2)  
Make the airplane level (Ref 8-00-00/201).

 S 942-021

 (3)
Set the applicable light adjustment target as shown in Figure 201.

 S 862-022

 (4)  
Supply electrical power (Ref 24-22-00/201).

 E. Procedure
 S 822-035
 (1)  Do these steps to do the adjustment of the lights:
 CAUTION: DO NOT OPERATE THE LIGHTS FOR MORE TIME THAN IT IS
　
中國航空網(wǎng) m.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：747-400 AMM 飛機維護(hù)手冊 燈 LIGHTS(94)