(2)  
The installation of one of the access panels in rib No. 5 (the rib at WBL 183.4)

 (3)  
Only one of the access panels can be removed from this rib at one time. The remaining access panel is necessary to support the wing structure.

 TASK 28-11-53-004-019
 2. Access Panels in Rib No. 5 - Removal
____________________________________
 A. References
 (1)  
AMM 28-10-00/201, Fuel Storage

 (2)  
AMM 28-11-11/401, Wing Fuel Tank Access Panel

 B. Access
 (1)  
Location Zones
 305 Left Fuel Tank
 405 Right Fuel Tank

 (2)  
Access Panels
 7204 Fuel Tank Access Panel (Left)
 7404 Fuel Tank Access Panel (Right)

 C. Procedure
 S 654-002
 WARNING: CAREFULLY DO ALL THE SAFETY PROCEDURES TO DEFUEL THE FUEL
_______ TANK AND TO GO INTO IT. INJURY TO PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR IF YOU DO NOT OBEY THE SAFETY PROCEDURES.
 (1)
Prepare to go into the applicable wing tank (AMM 28-10-00/201).

 S 014-003

 (2)  
Remove the No. 2 access panel for the applicable wing tank (AMM 28-11-11/401).

 (3)  
Go into the applicable wing tank.

 S 014-004
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 28-11-53
 ALL  ú ú 01 Page 401 ú Jul 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
RIB NO. 5
SEE A
MOUNTING BOLT (EXAMPLE)
WASHER (EXAMPLE)
MID ACCESS PANEL
IN RIB NO. 5

INBD
 FWD
RIB NO. 5 (WITH MID
ACCESS PANEL REMOVED)
A
MOUNTING BOLT (EXAMPLE)
WASHER (EXAMPLE)
FWD ACCESS PANEL
IN RIB NO. 5
INBD
FWD
RIB NO. 5 (WITH FWD
ACCESS PANEL REMOVED)
A
CAUTION: DO NOT REMOVE THE TWO ACCESS PANELS (WEBS) AT THE SAME TIME. DAMAGE TO THE WING CAN OCCUR.
Rib Access Panel InstallationFigure 401
G68141
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 28-11-53
 ALL  ú ú 01 Page 402 ú Jul 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 S 034-016
 CAUTION:_______DO NOT REMOVE THE TWO ACCESS PANELS AT THE SAME TIME. DAMAGE TO THE AIRPLANE CAN OCCUR.
 (4)  
Remove the mounting bolts from the forward or the middle access panel in Rib No. 5.

 S 494-007

 (5)  
Put protection on the mating surfaces of the panel and the rib opening from scratches or other damage.

 TASK 28-11-53-404-008
 3.  Access Panels in Rib No. 5 - Installation (Fig. 401)_________________________________________
 A. References
 (1)  AMM 28-11-11/401, Wing Fuel Tank Access Panel
 B. Access
 (1)  
Location Zones
 305 Left Fuel Tank
 405 Right Fuel Tank

 (2)  
Access Panels
 7204 Fuel Tank Access Panel (Left)
 7404 Fuel Tank Access Panel (Right)

 C. Procedure
 S 094-009
 (1)  
Remove the rubber cover that gives protection for the access opening, if one is installed.

 S 214-010

 (2)  
Make sure the mating surfaces of the access panel and the rib are clean.

 S 434-012

 (3)
Attach the access panel to the opening with the mounting bolts.

 S 434-017

 (4)  
Tighten the mounting bolts to the applicable standard torque (AMM 20-50-11/201).

 S 414-015

 (5)  
Install the wing tank access door No. 2 that you removed before (AMM 28-11-11/401).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 28-11-53
 ALL  ú ú 01 Page 403 ú Jul 15/97
　
中國航空網 www.k6050.com
航空翻譯 www.aviation.cn
本文鏈接地址：737-300 400 500 AMM 飛機維護手冊 燃油 FUEL 1(130)