(4)  
On the toilet waste tanks that connect to the auxiliary waste tank, do the steps that follow at the connection between the overflow outlet and the floor adapter:

 (a)  
Lubricate the boot and the drain adapter.

 (b)  
Install the boot on the drain adapter.

 (c)  
Tighten the hose clamp around the boot.

 S 424-047
 CAUTION:_______BE CAREFUL WHEN YOU MOVE THE WASTE TANK. IF YOU ARE NOT CAREFUL, DAMAGE CAN OCCUR TO THE TANK OR THE DRAIN ADAPTER.
 (5)  
Carefully put the waste tank on the drain adapter and shear pins.

 S 424-073

 (6)  
Install the control cable assembly for the drain valve.

 NOTE: Do not connect the cable.
____
 S 424-035
 (7)  
On the aft waste tank,
 install the tiedown strap.

 S 424-036

 (8)  
On waste tanks with tiedown rods,
 do the steps that follow:

 (a)  Move the tiedown rods to the waste tank.
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737-300/400/500MAINTENANCE MANUAL
 (b)  
Tighten the fasteners for the tiedown rods.

 (c)  
Put a lockwire on the fasteners (if required).

 S 414-042
 (9)  
Engage the control cable for the drain valve at the quick-disconnect.

 S 414-044

 (10)
 Connect the overboard vent line and the ground flush line.

 S 794-045

 (11)
 On the toilet waste tanks that connect to the auxiliary waste tank, do the leak test (AMM 38-32-51/401).

 S 414-047

 (12)
 Connect the bonding jumper.

 S 414-046

 (13)
 Connect the electrical connectors to the timer.

 S 414-048

 (14)
 Attach the wire bundle with a clamp.

 S 414-056

 (15)
 ALL EXCEPT AIRPLANES WITH MODULAR LAVATORIES; Do the steps that follow:

 (a)  
In the forward lavatory, install the toilet back shroud and the screws.

 (b)  
In the lavatories just foward of the aft entry doors, install the toilet back shroud and the screws.

 (c)  
In the aft lavatory, engage the toilet back shroud in the spring clip and install the screws.

 (16)
 Install the toilet tank shroud.

 (17)
 Fill the toilet unit (AMM 12-17-00/301).

 S 864-061

 (18)
 Remove the DO-NOT-CLOSE tag and close the applicable lavatory flush motor circuit breaker the on the P18 panel.

 (19)
 Do a check of the toilet operation.

 S 414-057
 S 614-060
 S 714-062
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A 737-300/400/500MAINTENANCE MANUAL
 TASK 38-32-51-404-063
 5. Auxiliary Waste Tank Installation (Fig. 401)
_________________________________
 A. Access
 (1)  Location Zone
 220 Aft Cargo Compartment Equipment Bay

 B. Procedure
 S 424-064
 (1)  
Put the auxiliary waste tank in the correct position and install the fasteners.

 S 414-066

 (2)  
Install the drain line.

 S 414-096

 (3)  
Connect the flush line.

 S 414-065

 (4)
Connect the overflow line(s) for the toilet waste tank(s).

 S 414-097

 (5)  
Install the drain valve control cable.

 NOTE: When the drain valve is closed, make sure the cable moves 1/2
____ inch before the valve starts to open. It is necessary to use a force of 5 pounds on the cable before the valve starts to open.
 S 724-067
 (6)  
Do the leak test (AMM 38-32-51/401).
　
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