71-11-04
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
FAN COWL PANEL LATCH - REMOVAL/INSTALLATION
___________________________________________
 1.  General
 A.  There are two tasks in this procedure. The first task is the removal of the latches on the fan cowl panels. The second task is the installation of the latches on the fan cowl panels.
 TASK 71-11-05-004-001-N00
 2.  Fan Cowl Panel Latch Removal (Fig. 401)
____________________________
 A.  References
 (1)  
AMM 71-11-04/201, Fan Cowl Panel

 (2)  
IPC 71-11-05 Fig. 1

 B.  
Access

 (1)  
Location Zone
 413 and 414 Fan Cowl Panel - Engine 1
 423 and 424 Fan Cowl Panel - Engine 2
 433 and 434 Fan Cowl Panel - Engine 3
 443 and 444 Fan Cowl Panel - Engine 4

 C.  
Procedure

 S 014-002-N00
 (1)  
Open the fan cowl panels (AMM 71-11-04/201).

 S 034-003-N00

 (2)  
Remove the bolt, washer, and nut that attach the latch to the latch fitting.

 S 024-004-N00

 (3)  
Remove the latch from the latch fitting.

 TASK 71-11-05-404-005-N00
 3.  Fan Cowl Panel Latch Installation (Fig. 401)
_________________________________
 A.  Consumable Materials
 (1)  
A00247 Sealant - BMS 5-95

 B.  
References

 (1)  
AMM 71-11-04/201, Fan Cowl Panel

 (2)  
AMM 71-11-05/501, Fan Cowl Panel Latch

 (3)  
IPC 71-11-05 Fig. 1

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 71-11-05
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
SEE A
COWL PANEL RIGHT FAN NUT WASHER 
BOLT  LATCH FOR THE FAN COWL PANEL  LATCH FITTING FWD 
A 
Fan Cowl Panel Latch Installation Figure 401 

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 71-11-05
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
C. Access
 (1)  
Location Zone
 413 and 414 Fan Cowl Panel - Engine 1
 423 and 424 Fan Cowl Panel - Engine 2
 433 and 434 Fan Cowl Panel - Engine 3
 443 and 444 Fan Cowl Panel - Engine 4

 D.
Procedure

 S 424-006-N00
 (1)  Install the latch in the latch fitting.
 (a)  
Put the latch in the latch fitting.

 (b)  
Install the bolt, washer, and nut on the latch and the latch fitting.

 (c)  
Tighten the nut to 60-90 pound-inches (6.8-10.2 newton-meters).

 (d)  
Loosen the nut until you can install the cotter pin in the bolt.

 (e)  
Install the cotter pin in the bolt.

 S 644-008-N00
 (2)  Apply the sealant approximately 0.06 inch (0.15 cm) thick to the washer, the nut and the cotter pin.
 S 824-009-N00
 CAUTION:_______MAKE SURE THE LATCHES ARE CORRECTLY ADJUSTED. THE ENGINE MOVES IN THE FAN COWL PANELS WHEN IT OPERATES. HEAT ALSO CAUSES THE ENGINE TO BECOME LARGER WHEN IT OPERATES. IF YOU DO NOT ADJUST THE LATCHES, DAMAGE CAN OCCUR TO THE ENGINE OR TO THE COWLS.
 (3)  
Adjust the latches on the fan cowl panels (AMM 71-11-05/501).

 (4)  
Close the fan cowl panels (AMM 71-11-04/201).

 S 414-010-N00
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 71-11-05
 ALL  ú ú N01 Page 403 ú Jun 18/00
　
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