38-32-70
 ú ú 01 Page 401 ú Jun 18/01
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A
747-400
MAINTENANCE MANUAL

A

BOLT AND WASHER
RINSE FITTING
(6 LOCATIONS FOR
(EXAMPLE)
EACH FITTING)

Rinse Fitting Installation
Figure 401

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 38-32-70
 ú ú 01 Page 402 ú Oct 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
K62100
A
747-400
MAINTENANCE MANUAL

 S 034-024
 (6)  
Remove the insulation, if it is necessary, to get access to the service panel for the toilet waste tank.

 S 034-027

 (7)  
Remove the rinse fitting heater (AMM 30-71-03/401).

 S 034-028

 (8)  
Remove the attach nut for the rinse hose.

 S 034-029

 (9)  
Disconnect the hose assembly from the rinse fitting.

 S 034-030

 (10)
 Remove the retainer bolts, washers and nuts that hold the rinse fitting.

 S 024-031

 (11)
 Remove the rinse fitting.

 TASK 38-32-70-404-032
 3. Rinse Fitting Installation (Fig. 401)
__________________________
 A. References
 (1)  
AMM 12-17-61/301, Waste Tanks

 (2)  
AMM 30-71-03/401, Waste Tank Rinse Fitting Heaters

 (3)  
IPC 38-32-00

 (4)  
SSM 38-32-01

 (5)  
WDM 38-32-11

 B. Access
 (1)  
Location Zone 124 Area Below Forward Cargo Compartment, RH

 (2)  
Access Panel
 125A Service Panel Toilet Drain

 C. Procedure
 S 424-033
 (1)  
Put the rinse fitting into its position.

 S 434-034

 (2)  
Install the retainer bolts, washers, and nuts that hold the rinse fitting.

 (3)  
Install the rinse fitting heater (AMM 30-71-03/401).

 S 434-035
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A 747-400 MAINTENANCE MANUAL
 (4)  S 864-036Remove the DO-NOT-CLOSE tags and close these circuit breakers: (a) P415 Panel 1) 415D35 UPR DK LAV FLUSH MOTOR U-21
 (5)  S 864-037Fill the waste tank with water through rinse fitting (AMM 12-17-61/301).
 (6)  S 794-038Examine the rinse fitting and connection for water leaks.
 (7)  S 414-039Install the insulation and the floor panel.
 (8)  S 864-041Close the forward cargo compartment.
 (9)  S 614-042Service the applicable waste tank (AMM 12-17-61/301).

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747-400 MAINTENANCE MANUAL
 BALL VALVE - REMOVAL/INSTALLATION
_________________________________
 1.  General_______
 A.  This procedure has two tasks. The first task removes the ball valve. The second task installs the ball valve.
 B.  Make sure that you read and obey the specified instructions in the Standard Procedures for work with the Toilet Waste and Equipment (AMM 38-32-60/201).
 TASK 38-32-71-004-001
 2.  Ball Valve Removal (Fig. 401)__________________
 A.  Reference
 (1)  AMM 12-17-61/301, Toilet Tank - Servicing
 B.  Access
 (1)  Location Zone 126 Area Below Fwd Cargo Container Compartment
 C.  Procedure
 S 864-002
 (1)  
Do the steps in AMM 12-17-61/301 to drain, rinse and add the chemical precharge to the toilet tank.
　
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