3 Drain the Waste Tank
1 De-energize the aircraft electrical system.
2 Fully open the toilet doors.
3 Remove the side panels Figure 2-7-1 [4] and Figure 2-7-1 [7] from the top of the toilet.
Note
The side panels are attached with hook and loop fasteners.
4 Disconnect the toilet pump switch electrical connector Figure 2-7-1 [5] and the toilet light
switch electrical connector Figure 2-7-1 [6].
5 Lift the toilet seat assembly Figure 2-7-1 [1] and disconnect the toilet pump electrical
connector Figure 2-7-1 [2].
6 Lift the toilet seat assembly Figure 2-7-1 [1] up approximately 6 inches and tilt it
backwards approximately 100 degrees. Rest the assembly on the cabinet seal at the
rear of the toilet cabinet.
7 Put the cap firmly onto the collector tank. The cap is stowed inside the toilet cabinet.
8 Carefully remove the collector tank Figure 2-7-1 [3] from the toilet compartment.
9 Remove the collector tank Figure 2-7-1 [3] from the aircraft.
10 Empty the collector tank according to local regulations. Rinse the collector tank as
necessary.
11 Pre-charge the collector tank with approximately one pint of water and two ounces of
Clean flush fluid (or a half tablespoon of Clean flush powder or one pre-measured sachet
of Clean flush powder).
Note
In freezing weather conditions, add Clean flush anti-freeze to the pre-charge
mixture.
12 Carefully install the collector tank Figure 2-7-1 [3] in the toilet compartment.
13 Remove the cap from the collector tank and stow it inside the toilet cabinet.
14 Fill the flush reservoir with water to the Fill to Here line.
15 Add two ounces of Clean flush fluid (or a half tablespoon of Clean flush powder or one
pre-measured sachet of Clean flush powder) to the flush reservoir.
Note
In freezing weather conditions, add Clean flush anti-freeze to the mixture.
16 Connect the toilet pump electrical connector Figure 2-7-1 [2] and install the toilet seat
assembly Figure 2-7-1 [1].
17 Connect the toilet pump switch electrical connector Figure 2-7-1 [5] and the toilet light
switch electrical connector Figure 2-7-1 [6].
18 Install the side panels Figure 2-7-1 [4] and Figure 2-7-1 [7] on the top of the toilet.
19 Use the disinfectant to clean the toilet seat assembly.
Section 2 - Aircraft Servicing
Ground Servicing Guide Report No: 02527
Issue date: Dec 19, 2022
Page 2-7-2
12-A-A15-20-0807-04A-226A-A
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