(2)
Inspection of the aft-toilet waste system.
B. If a leak of toilet flush/waste water (blue water) is reported, you must do this inspection of the toilet system.
NOTE: The surfaces where the blue water dries will show as a blue stain.
____
C. Contamination of toilet flush/waste liquid is possible in the areas that follow:
(1)
Forward Lavatory.
(2)
Electronic Equipment Compartment.
(3)
Aft Lavatory.
(4)
Aft Cargo-Compartment Equipment-Bay.
TASK 38-32-00-206-004
2. Toilet System Conditional-Inspection (Forward Toilet)_____________________________________________________
A. General
(1) This inspection procedure is to be done when a check of the forward-toilet waste system is necessary.
B. References
(1)
AMM 12-17-00/301, Toilet Servicing
(2)
AMM 38-32-00/501, Toilet System
(3)
AMM 38-32-21/401, Toilet Flush Motor-Pump-Filter Assembly
(4)
AMM 38-32-31/401, Toilet Drain Valve
(5)
AMM 38-32-41/401, Toilet Drain-Valve Control-Cable
(6)
AMM 38-32-42/401, Toilet Ground Flush Line
(7)
AMM 38-32-51/401, Toilet Waste Tank
(8)
AMM 38-32-81/201, Service Panel Drain Valve
(9)
AMM 38-32-81/401, Waste Tank Drain Duct Nipple
(10)
AMM 38-32-91/401, Forward Lavatory Waste Drain Ball Valve
(11)
AMM 51-31-00/201, Seals and Sealing
(12)
AMM 52-48-41/001, Electronic-Equipment Compartment Door
C. Equipment
(1) Maintenance Stand
D. Consumable Materials
(1) G00000 Gloves - Disposable
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737-300/400/500MAINTENANCE MANUAL
(2)
G00000 Shop Coat - Disposable
(3)
G00000 Mask, face - Disposable
(4)
G01915 Glasses - Safety
E. Access
(1)
Location Zones
103 Forward Lavatory (A)
205 Electronic Equipment Compartment
(2)
Access Panels
1104 Forward-Toilet Service Panel
1201 Electronic-Equipment Compartment Door
F. Procedure
S 016-005
(1)
Open the electronic-equipment compartment door for access
(AMM 52-48-41/501) .
S 016-006
(2)
Open the forward toilet service-panel.
S 946-007
(3)
Position the maintenance stand under the electronic equipment compartment and install a strong light source inside the compartment.
S 866-008
(4)
Open and tag the applicable lavatory flush motor circuit breaker.
S 686-074
(5)
Drain the forward toilet system (AMM 12-17-00/301).
NOTE: It is only necessary to drain the system, do not complete the
____
full service procedure.
S 216-010
(6) At the forward toilet service-panel, do the steps that follow:
(a) Release and close the tank drain-valve handle. (FWD TOILET)
NOTE: Let the handle move suddenly to the closed position to
____ make sure that the drain valve in the toilet tank gives a good seal (closed).
(b) Disconnect the toilet-drain connector hose. (TOILET DRAIN)
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(c)
Do a full visual examination of the drain valve assembly.
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