(16)
Clean all contaminated areas with an approved disinfectant to kill all harmful micro-organisms and remove bad smells.
(17)
Install the toilet shroud in the forward lavatory using the procedure to install the toilet waste tank (AMM 38-32-51).
(18)
Remove the DO-NOT-CLOSE tag and close this circuit breaker on the load control center panel, P18:
(a) Applicable lavatory flush motor circuit breaker.
(19)
Accomplish the toilet tank cleaning procedure (AMM 38-32-0).
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G. Return the airplane to its usual condition
(1)
Accomplish the forward toilet servicing procedure (AMM 12-17-0).
(2)
Remove all tools and equipment from the work area.
(3)
Close the forward toilet service panel.
(4)
Close the E/E compartment door (AMM 52-48-41).
3. Toilet Waste Blockage Removal (Aft Lavatory)
A. General
(1)
This inspection procedure is to be accomplished when a blockage occurs to the waste drain in the aft toilet system.
(2)
This inspection procedure is for a toilet system with one aft lavatory installed.
(3)
For operators with more than one lavatory installed in the aft toilet system, the inspection procedure is the same and is to be repeated on each additional lavatory installation.
B. References
(1)
AMM 12-17-0, Toilet Servicing
(2)
AMM 12-40-0, Cleaning and Washing
(3)
AMM 20-30-51, Miscellaneous Materials
(4)
AMM 38-32-0, Toilet System
(5)
AMM 38-32-0, Toilet System – Cleaning/Painting
(6)
AMM 38-32-21, Toilet Flush Motor Assembly
(7)
AMM 38-32-22, Toilet Filter
(8)
AMM 38-32-31, Toilet Drain Valve
(9)
AMM 38-32-41, Toilet Drain Valve Control Cable
(10)
AMM 38-32-51, Toilet Waste Tank
(11)
AMM 51-31-0, Seals and Sealing
(12)
AMM 52-48-41, Aft Cargo Compartment Door
C. Equipment
(1) Maintenance Stand
D. Consumable Materials
(1)
Brush, drain, extendable (4-inch) – Commercially available
(2)
Brush, soft-bristle – Commercially available
(3)
G01043 Cloth, lint-free
(4)
G00027 Cheesecloth
(5)
B00051 Disinfectant – Deodorizer Lysol
(6)
G00000 Gloves – Disposable
(7)
G00000 Shop Coat – Disposable
(8)
G00000 Mask, face – Disposable
(9)
G01915 Glasses – Safety
E. Access
(1)
Location Zones
109 Aft Lavatory (E)
113 Aft Lavatory (B)
114 Aft Lavatory (C)
118 Aft Lavatory (D)
218 Aft Cargo Compartment
220 Aft Cargo Compartment Equipment Bay
(2)
Access Panels
1104 Aft Toilet Service Panel
4504 Aft Cargo Compartment Door
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F. Procedure
(1)
If there is a bad localized smell in the airplane, fully ventilate the area in an effort to stop the spread of contamination.
(2)
Open the aft toilet service panel.
(3)
Open the aft cargo compartment door for access.
(4)
Remove the access panel from the rear bulkhead of the aft cargo compartment.
(5)
Open this circuit breaker on the load control center panel, P18, and attach a
DO-NOT-CLOSE tag:
(a) Applicable lavatory flush motor circuit breaker.
(6)
Connect the service cart to the aft toilet service panel and perform the procedure to drain the toilet system (AMM 12-17-0).
NOTE: Try to drain the system only. Do not complete a full service of the toilet system.
(a) On the aft toilet service panel, ensure the toilet tank drain valve handle is extended and locked in the open position (for example: R.H. AFT TOILET).
(7)
In the aft lavatory, open the separator in the lavatory bowl and check for toilet flush/waste liquid in the toilet tank.
(8)
If the toilet tank has not drained and appears to be blocked, accomplish the following steps:
(a)
In the aft cargo compartment equipment bay, make sure the toilet tank drain valve control cable is correctly installed (AMM 38-32-41).
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