(d)  
Lift the shroud off the support blocks and disengage the bottom from the floor pan.

 S 034-014
 (5)  
Disconnect the electrical connectors from the toilet timer.

 S 014-019

 (6)  
Remove the wire bundle clamps sufficiently to release the wire bundle for the toilet flush motor.

 S 034-020

 (7)  
Disconnect the bonding jumper.

 S 034-021

 (8)  
Disconnect the tank overboard vent line, ground flush line and waste water drain line from the sink if it is necessary.

 S 034-022

 (9)  
Disconnect the overflow line to the auxiliary tank, if it is necessary.

 S 034-076

 (10)
 In the forward modular lavatory, disconnect the adjustment nuts from the cable casing.

 (11)
 Remove the cable and the casing from the bracket.

 S 014-105
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
SCREW
LAVATORY E (NO. 5) COMPARTMENT
3 LAVATORY B COMPARTMENT
TOILET 3
TANK SHROUD
SEE A
AUXILIARY WASTE TANK
SEE AI SPRING CLIP
LAVATORY D (NO. 4) ACCESS PANEL
COMPARTMENT
3 TIMER
TOILET BACK SHROUD
SCREW VACUM VENT LINE TO TOILET FLUSH TIMER TANK OVERBOARD VENT LINE
TIEDOWN STRAP GROUND FLUSH LINE
BONDING JUMPER
TOILET FLUSH MOTOR NUT (5 LOCATIONS)DRAIN VALVE CONTROL
CABLE QUICK-DISCONNECT FORWARD TIEDOWN ROD
CENTERLINE PARTITION
OVERFLOW TUBE DRIP PAN
(AFT LEFT TANK ONLY)
TOILET WASTE TANK CATCH BASIN
INBOARD TIEDOWN ROD INBD FWD
AFT TOILET TANK (EXAMPLE) (AFT LEFT LAVATORY SHOWN)
1  NON MODULAR LAVATORIES  A  1 
2  RUMBOLD OR YRC MODULAR LAVATORIES 
3  NOT INSTALLED ON ALL AIRPLANES 

Toilet Waste Tank Installation
Figure 401 (Sheet 1)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

737-300/400/500
MAINTENANCE MANUAL

FLUSH TIMER
HANDLE

COLLAR
FASTENERS
TOILET TANK SHROUD
SHROUD FOR RUMBOLD OR YRC LAVATORIES
GROUND FLUSH LINE
CONTROL CASLE QUICK-DISCONNECT
TIEDOWN ROD (2 LOCATIONS)
ELECTRICAL
VENT LINE

TANK OVERBOARD CONNECTOR TIMER
AFT TOILET TANK (EXAMPLE) (D LAVATORY SHOWN)
A2
Toilet Waste Tank Installation
Figure 401 (Sheet 2)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A57792
A
737-300/400/500MAINTENANCE MANUAL
AFT LEFT LAVATORY TOILET WASTE TANK FLOOR BEAM
OVERFLOW TUBE LOCATING PIN FLOOR CONNECTION SEE C
FITTING
TANK TOP
DRAIN VALVE
OVERFLOW TUBE INLET  FWD CONTROL CABLE (EXAMPLE LOCATION)
AUXILIARY WASTE TANK B TANK GROUND AUXILIARY AUXILIARY TANKFLUSH LINE GROUND FLUSH LINE
OVERFLOW TUBE
LOCATING PIN FITTING 
SERVICE PANEL  SEE  B 
TANK SUPPORT TANK TOP 
DRAIN  ATTACHMENT 
LINE  SEE D (EXAMPLE)  FLOOR STRUCTURE 

AUXILIARY TOILET WASTE TANK (EXAMPLE) NUT AND WASHER A1
RADIUS FILLER
GROMMET AND LAVATORY
SPACER FLOOR
WASHER BOLT
BOOT  TANK FITTINGTOILET TANK
CLAMP
AIRPLANE FLOOR
OVERFLOW TUBE
FWD
C D
Toilet Waste Tank Installation Figure 401 (Sheet 3)
A57986
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