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B.  Open applicable outboard landing light circuit breaker on P18 panel.
C.  Remove applicable flap tail cone by removing the fifteen retaining screws.
3.  Remove Outboard Landing Light
A.  Disconnect connector plug from top of light assembly (Fig. 401).
B.  Disconnect indexing rod linkage.
C.  Remove eleven retainer screws around circumference of light assembly.
D.  Remove two motor assembly retaining screws on bottom of flap.
E.  Remove light assembly.
4.  Install Outboard Landing Light
A.  Position light assembly in correct position and install eleven retaining screws (Fig. 401).
B.  Install two motor assembly retaining screws.
C.  Connect and adjust indexing rod linkage (Ref 33-42-11 A/T).
D.  Install connector plug to top of light assembly.
5.  Restore Airplane to Normal
A.  Close applicable outboard landing light circuit breaker on P18 panel.
B.  Check light adjustment. See Outboard Landing Lights - A/T.
C.  Install flap tail cone.
D.  Pressurize hydraulic system A and retract trailing edge flaps.
500 
Feb 01/96  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  33-42-11 Page 401 

Outboard Landing Light Assembly Installation  500 
33-42-11  Figure 401  Aug 15/67 
Page 402 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

OUTBOARD LANDING LIGHTS - ADJUSTMENT/TEST
General
A.  The following information gives the procedure for the adjustment/test of the outboard landing lights after the assembly has been replaced. Lights may be adjusted individually as required with the airplane in a normal taxi attitude.
B.  The following adjustment steps require the airplane to be level. The lights may be adjusted with the airplane in normal taxi attitude by hanging a plumb bob in the right wheel well (Ref.  Chapter 8) and noting the airplane nose-up or nose-down angle. If nose-up, add angle to "A" index mark of adjustment tool protractor. If nose-down, subtract angle from "A" index mark of adjustment tool protractor.
2.  Outboard Landing Light Adjustment (Fig. 501)
A.  Equipment and Materials
(1)  Adjustment Tool - Boeing F80179
B.  Prepare Outboard Light for Adjustment
(1)  
Verify that airplane is level (Ref Chapter 8).

(2)  
Provide electrical power.

(3)  
Close OUTBD R & L landing light circuit breakers on circuit breaker panel P18-3.

(4)  
Lower trailing edge flaps to 30-unit position (Ref 27-81-0).

(5)  
Set outboard light switch to EXTEND or ON, as applicable.

(6)  
Open circuit breakers closed in step (3).

(7)  
Remove flap tail cone by removing retaining screws.

(8)  
Install adjustment tool to outboard landing light as shown in Fig. 501.

C.  Adjust Landing Light
(1)  
Adjust indexing rod linkage to obtain a 6.5 +1 degree down attitude as indicated by the position of the adjustment tool pointer on the protractor light attitude scale.

(2)  
Lower trailing edge flap to fully extended position, and verify that landing light is aimed in a down attitude of 4.8 +1 degree as indicated by the position of the adjustment tool pointer on the protractor light attitude scale.

500 
Aug 15/77  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  33-42-11 Page 501 

Outboard Landing Light Lamp Installation and Adjustments  500 
33-42-11  Figure 501 (Sheet 1)  Feb 15/68 
Page 502 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

501  Outboard Landing Light Lamp Installation and Adjustment 
Aug 15/77  Figure 501 (Sheet 2)  33-42-11 
Page 503 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

D.  Restore Airplane to Normal Configuration
(1)  
Remove adjusting tool.

(2)  
Close circuit breaker opened in step 2.B.(6).

(3)  
Position outboard landing light switch on forward overhead panel to RETRACT position to retract light.

(4)  
Restore flaps to normal (Ref 27-81-0).

(5)  
Remove electrical power if no longer required.

3.  Outboard Landing Light Test
A.  Test Outboard Landing Light
(1)  
Provide electrical power.

(2)  
Check that OUTBD R & L landing light circuit breakers on circuit breaker panel P18-3 are closed.
　
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