28-21-21
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
REFUEL PANEL
SEE A REFUEL STATION
RECEPTACLE CAP
LINKAGE  BONDING 
ASSEMBLY  FUELING  JUMPER 
RECEPTACLE 
MANIFOLD 
PIN  SEE  B  SCREW MOUNTING 
NO. 6537 ACCESS PANEL  WASHERS  REFUEL INSTRUMENT 
FWD  INBD  PIN COTTER  REFUEL PANEL PANEL  THE LEADING EDGE SUPPORT MEMBER FOR 
A 
ELECTRICAL 
PLUG 
FRONT

MOUNTING BOLT SPAR
BONDING (9 LOCATIONS) JUMPER
0-RING
ELBOW
FUELING SHUTOFF
MOUNTING BOLT
VALVE
(3 LOCATIONS)
BOLT FOR THE FUELING SHUTOFF
WASHER VALVE
0-RINGWASHER CHECK VALVES
BACKUP FUELING
RINGS RECEPTACLE MANIFOLD SHIM WASHERS
FUELING RECEPTACLE MANIFOLD
SUPPORT PLAIN BOLT WASHER
B
Fueling Receptacle Manifold Installation Figure 401
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 034-007
 (6)  Remove the screws that attach the refuel instrument panel to the
 wing structure.
 S 014-008
 (7)  Remove the refuel instrument panel to get access to the manifold
 support bolt.
 NOTE:____ You can also attach the panel to the support member for
 the leading edge to keep it safe during this procedure.

 S 864-009
 (8)  Make sure the defueling valve is closed (AMM 28-23-11/401).
 (a)  
Open the access door (6535) for the defueling valve.

 (b)  
Make sure the manual defueling valve is closed.

 (c)  
Close the access door (6535) for the defueling valve.

 S 684-010
 (9)  Drain the fuel from the manifold.
 (a)  
Remove the cap on the receptacle.

 (b)  
Put a container below the receptacle.

 (c)  
Push the poppet valve in the receptacle.

 (d)  
Let the remaining fuel drain from the receptacle and from the manifold.

 (e)  
Install the cap on the receptacle.

 S 034-011
 (10)
 Disconnect the electrical plug from the fueling shutoff valves (Fig. 401).

 S 034-012

 (11)
 Disconnect the bonding jumpers from the fueling shutoff valves (Fig. 401).

 S 014-013

 (12)
 Remove the fueling shutoff valves (AMM 28-21-51/401).

 NOTE: If you are scheduled to remove the fueling receptacle, do
____ the task, "Fueling Receptacle Removal" (AMM 28-21-11/401).
 S 034-014
 (13)
 Disconnect the bonding jumper installed on the aft inboard side of the manifold adjacent to the airplane structure.

 S 034-015

 (14)
 Remove the bolts that attach the manifold to the check valves and to the elbow assembly (12 bolts).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 034-016
 (15)
 Hold the manifold up and remove the bolts that attach the manifold to the support members for the leading edge.

 S 024-017

 (16)
 Remove the manifold assembly through the access door for the refuel station.

 TASK 28-21-21-404-018
 3. Fueling Receptacle Manifold Installation
________________________________________
 A. Consumable Materials
 (1)  B00316 - Aliphatic Naphtha TT-N-95
 B. References
 (1)  
SWPM 20-20-00, Standard Wiring Practices Manual

 (2)  
AMM 28-21-11/401, Fueling Receptacle

 (3)  
　
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