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757
MAINTENANCE MANUAL

 (2)  S 864-003Open this circuit breaker on the APU external power panel, P34, and attach a DO-NOT-CLOSE tag: (a) 34A11, FLNG CONT
 (3)  S 014-004Remove the surge tank access door, 543AB or 643AB (AMM 28-11-03/401).
 (4)  S 014-005Open the access door, 561BB or 661BB (AMM 06-44-00/201).
 (5)  S 014-006Find the fuel level sensor on the rear spar.
 (6)  S 034-007Remove the electrical connector from the fuel level sensor.
 (7)  S 034-008Remove the nut and the washer from the fuel level sensor.
 S 944-009

 WARNING: OBEY THE FUEL TANK ENTRY PRECAUTIONS (AMM 28-11-00/201).
_______ FAILURE TO OBEY THE FUEL TANK ENTRY PRECAUTIONS COULD CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (8)  
Obey the fuel tank entry precautions (AMM 28-11-00/201). S 014-010

 (9)  
Go into the surge tank. S 014-011

 (10)
 Get access to the fuel level sensor. S 024-013

 (11)
 To remove the fuel level sensor pull it in the forward direction.

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757 MAINTENANCE MANUAL
 TASK 28-21-03-404-015
 3. Install the Fuel Level Sensor (Fig. 401)
_____________________________
 A. Consumable Materials
 (1)
C00064 Surface Treatment Coating - Alodine 1200

 B.
References

 (1)
AMM 06-44-00/201, Wing Access Doors and Panels

 (2)
AMM 20-10-21/601, Electrical Bonding

 (3)
AMM 28-11-00/201, Fuel Tanks

 (4)
AMM 28-11-03/401, Surge Tank Access Door

 (5)
AMM 28-25-05/401, APU Fuel Line and Shroud

 (6)
AMM 51-21-04/701, Alodine Coating

 C.
Access

 (1)  
Location Zones 543 Surge Tank - Rib No. 21 to No. 23 (Left) 561 Rear Spar to Trailing Edge (Left) 643 Surge Tank - Rib No. 21 to No. 23 (Right) 661 Rear Spar to Trailing Edge (Right)

 (2)  
Access Panels
 543AB Surge Tank Access Door (Left)
 561BB Access Door (Left)
 643AB Surge Tank Access Door (Right)
 661BB Access Door (Right)

 D.
Procedure

 S 944-010
 WARNING: OBEY THE FUEL TANK ENTRY PRECAUTIONS (AMM 28-11-00/201).
_______ FAILURE TO OBEY THE FUEL TANK ENTRY PRECAUTIONS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
　
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