38-32-14
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. 
A
737-300/400/500
MAINTENANCE MANUAL
AFT SERVICE  
PANEL  
SEE  A  FLUSH PORT  WASTE TANK DRAIN CAP  
FITTING  
SEE  B 
FORWARD SERVICE PANEL 
SEE A 
TOILET SERVICE PANEL (EXAMPLE) 
A 
O-RING 
FLUSH PORT FITTING NIPPLE 
CAP 
LEVER 
FLUSH PORT FITTING 
B 
Flush Port Nipple Installation
Figure 401
G16407
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. 
A 
737-300/400/500MAINTENANCE MANUAL
 S 024-007
 (6) Remove the O-ring gasket and discard it.
 TASK 38-32-14-404-016
 3.  Flush Port Nipple Installation (Fig. 401)______________________________
 A. Consumable Materials
 (1) D00504, VV-P-236 Lubricant
 B. References
 (1) AMM 12-17-00/301, Toilet
 C. Procedure
 (1)  S 164-017Make sure the flush port fitting is clean. 
 (2)  S 644-009Apply a thin layer of lubricant on a new O-ring gasket. 
 (3)  S 424-010Install the o-ring gasket on the flush port fitting. 
 (4)  S 424-011Turn the flush port nipple clockwise to install it on the flush port fitting. 
 (5)  S 424-012Install a lockwire between the nipple and the cap structure. 
 (6)  S 614-013Add precharge to the toilet tank (AMM 12-17-00/301) 
 (7)  S 414-014Close the flush port cap. 
 (8)  S 414-015Close the toilet service panel.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. 
A 
737-300/400/500MAINTENANCE MANUAL
 FLUSH PORT FITTING CAP - REMOVAL/INSTALLATION
_____________________________________________
 1.  General_______
 A.  This procedure gives the instructions to remove and install the cap for the flush port fitting.
 TASK 38-32-16-004-001
 2.  Flush Port Fitting Cap Removal (Fig. 401)______________________________
 A.  Access
 (1)  
Location Zones
 203 Nose Wheel Well
 208 Foward Cargo Compartment
 218 Aft Cargo Compartment
 (2)  
Access Panels
 1104 Forward Toilet Panel
 1502 Toilet Service Door
 3105R Forward Nose Wheel Well Panel
 B.  Procedure
 S 014-002
 (1) 
Open the door for the toilet service panel.
S 024-005
 (2) 
Open the cap of the flush port fitting assembly.
S 034-006
 (3) 
Remove the cotter pin from the hinge pin.
S 024-007
 (4) 
Remove the washer, the hinge pin, and the cap.
 TASK 38-32-16-404-008
 3.  Flush Port Fitting Cap Installation (Fig. 401)___________________________________
 A.  Access
 (1)  
Location Zones
 203 Nose Wheel Well
 208 Foward Cargo Compartment
 218 Aft Cargo Compartment
 (2)  
Access Panels
 1104 Forward Toilet Panel
 1502 Toilet Service Door
 3105R Forward Nose Wheel Well Panel
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