(3)
Remove the fueling receptacle manifold (AMM 28-21-21/401).
S 014-004
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A
737-300/400/500MAINTENANCE MANUAL
FUELING STATION SEE A
A (WITH FUELING MANIFOLD REMOVED) SEE B FUELING BODY/ ELBOW ASSEMBLY
FUELING BODY ELBOW O-RING
WASHER
DEFUELING LINE
MOUNTING NUT
O-RING B FWD INBD
WING FRONT SPAR
Figure 401 Fueling Body/Elbow Assembly
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A 737-300/400/500MAINTENANCE MANUAL
S 014-005
(4) Get access to the rear of the wing front spar.
(a) Remove the access panels for the fuel tank adjacent to the refuel station area (AMM 28-11-11/401).
S 024-006
(5) Remove the fueling body assembly or the elbow assembly.
NOTE: Two persons are necessary to do this procedure.
____
(a)
One person in the tank must disconnect these parts that attach the applicable fueling body assembly or the elbow assembly: 1) The fueling line (or defueling line) connected to the
applicable fueling body assembly or the elbow assembly 2) The mounting nut at the rear of the front spar 3) The washer at the rear of the front spar.
(b)
A second person out of the tank must hold up the fueling body or the elbow assembly.
(c)
Then the second person removes the applicable fueling body or the elbow assembly.
TASK 28-21-41-404-007
3. Fueling Body Assembly or Elbow Assembly Installation
____________________________________________________
A. Consumable Materials
(1) B00316 - Aliphatic Naphtha TT-N-95
B. References
(1)
AMM 28-11-11/401, Wing Fuel Tank Access Panels
(2)
AMM 28-21-21/401, Fueling Receptacle Manifold
(3)
AMM 28-21-32/401, Fueling Check Valve
C. Access
(1)
Location Zone
402 Right Wing Outboard Leading Edge
(2)
Access Panels
7407 Fuel Tank Access Door
7408 Fuel Tank Access Door
D. Procedure
S 164-008
(1) Clean these surfaces with the solvent and dry them with a lintfree cloth:
(a)
The O-ring grooves of the fueling body assembly or the elbow assembly
(b)
The two sides of the front spar opening.
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737-300/400/500MAINTENANCE MANUAL
S 434-009
(2) Install a new O-ring, lightly lubricated with fuel, into the groove on the fueling body assembly or the elbow assembly.
S 024-010 CAUTION: DO NOT LOOSEN THE O-RING OR PUSH IT OUT OF ITS CORRECT SHAPE_______
WHEN YOU INSTALL THE FUELING BODY OR THE ELBOW ASSEMBLY. A
FUEL LEAK CAN EASILY OCCUR.
(3) Install the fueling body assembly or the elbow assembly.
NOTE: Two persons are necessary to do this procedure.____
(a) One person out of the tank must put the fueling body assembly
or the elbow assembly through the opening in the front spar.
(b) A second person in the tank must connect these parts to attach
the applicable fueling body assembly or the elbow assembly:
1) The washer at the rear of the front spar.
2) The mounting nut at the rear of the front spar
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