(2)
AMM 28-11-31/401, Center Tank Access Panel
B. Access
(1) Location Zone
221 Center Section Fuel Tank
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 center tank and the applicable wing tank (AMM 28-10-00/201).
S 014-003
(2)
Remove the access panel for the center tank (AMM 28-11-31/401).
S 014-004
(3)
Go into the center tank.
S 034-005
(4)
Remove the mounting bolts from the access door in the wing root rib.
S 034-006
(5)
Remove the O-ring from the access door and discard the O-ring.
S 494-007
(6)
Put protection on the seal surfaces of the panel and the rib opening from some scratches or other damage.
NOTE: It is a good procedure to use a rubber cover to give
____
protection to the access opening.
TASK 28-11-51-404-008
2. Wing Root Rib Access Door Installation (Fig. 401)
______________________________________
A. References
(1)
AMM 12-11-00/301, Fuel Servicing
(2)
AMM 28-11-31/401, Center Wing Tank Access Panel
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
SEE A WING ROOT RIB ACCESS DOOR
O-RING ACCESS DOOR
BOLT (31 PLACES)
SEALED NUT PLATE WING ROOT RIB
OUTBD
A
Figure 401 Wing Root Rib Access Door Installation
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
B. Access
(1) Location Zone
221 Center Section Fuel Tank
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 seal surface is clean.
S 434-011
(3)
Install a new O-ring in the correct position on the access door.
S 434-012
(4)
Attach the access door to the opening with the mounting bolts.
S 654-013
(5)
Fill the applicable main wing tank with fuel (AMM 12-11-00/301).
(6)
Do a check for leaks in the access door for the wing root rib.
(7)
Install the access panel for the center tank (AMM 28-11-31/401).
S 214-014
S 414-015
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
ACCESS PANELS IN RIB NO. 5 - REMOVAL/INSTALLATION
_________________________________________________
1. General
_______
A. This procedure has two tasks:
(1)
The removal of one of the access panels in rib No. 5 (the rib at WBL 183.4)
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