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 28-11-03
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 ú ú  ú 01.101 ú  Page 409Sep 28/02 

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MAINTENANCE MANUAL

 OVERWING FILL PORTS - REMOVAL/INSTALLATION
__________________________________________
 1.  General_______
 A.  There are two overwing fill ports, one in each main tank.
 B.  This procedure contains two tasks. The first task is to remove the overwing fill port. The second task is to install the overwing fill port.
 TASK 28-11-04-004-001
 2.  Remove the Overwing Fill Port (Fig. 401)_____________________________
 A.  Equipment
 (1)  
Spanner Wrench - ST2580-302

 B.  
References

 (1)  
AMM 28-11-00/201, Fuel Tanks (Purging and Entry)

 (2)  
AMM 28-11-01/401, Main Tank Access Door

 C.  
Access

 (1)  
Location Zones
 541 Main Tank - Rib No. 5 to No. 17 (Left)
 641 Main Tank - Rib No. 5 to No. 17 (Right)

 (2)  
Access Panel
 541JB Main Tank Access Door (Left)
 641JB Main Tank Access Door (Right)

 D.  
Procedure

 S 014-011
 (1)  
Remove the main tank access door, 541JB or 641JB (AMM 28-11-01/401).

 S 654-010

 (2)  
Purge the fuel tank (AMM 28-11-00/201).

 S 494-009
 CAUTION:_______PUT MAINTENANCE MATS IN THE AREAS WHERE YOU WORK. IF YOU DO NOT USE MAINTENANCE MATS, YOU CAN CAUSE DAMAGE TO WING PANELS.
 (3)  
Put maintenance mats in the areas where work is done.

 (4)  
Open the filler cap on the overwing fill port.

 S 034-007

 (5)  
Disconnect the lanyard on the filler cap from the lug on the retaining nut.

 (6)  
Remove the lockwire from the retaining nut and the wing structure.

 S 014-008
 S 034-006
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 28-11-04
 ALL  ú ú 01 Page 401 ú May 28/99

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MAINTENANCE MANUAL

THE FORWARD DIRECTION. RAM AIR CAN CAUSE THE HANDLE TO RELEASE IF THE CAP IS INSTALLED IN THE WRONG DIRECTION.
　
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