(2)
Go into the surge tank.
S 014-016
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S 034-019
(3)
Put a new O-ring in the groove on the inner flange of the fuel level sensor.
S 214-020
(4)
Make sure the flange on the fuel level sensor and the inner surface of the rear spar are clean.
S 394-021
(5)
Apply the surface treatment coating on the inner surface of the rear spar (AMM 51-21-04/701).
S 424-022
(6)
Put the end of the fuel level sensor that attaches to the electrical connector through the hole in the rear spar.
S 434-024
(7)
From out of the surge tank, put the washer and the nut on the fuel level sensor.
S 434-025
(8)
Tighten the nut on the fuel level sensor to 216-264 in-lbs.
S 224-026
(9)
Make sure the bonding resistance between the fuel level sensor and the airplane structure is not more than 0.0025 ohm (AMM 20-10-21/601).
S 434-027
(10)
Install the electrical connector on the fuel level sensor.
S 864-028
(11)
Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P6 panel:
(a)
6E5, FUELING CONTROL
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S 864-029
(12)
Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P34 panel:
(a)
34A11, FLNG CONT
S 414-030
(13)
Install the surge tank access door, 543AB or 643AB (AMM 28-11-03/401).
S 414-031
(14)
Close the access door, 561BB or 661BB (AMM 06-44-00/201).
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