TASK 12-17-61-103-019
3. Service Panel Cleaning______________________
A. Consumable Materials
(1) B00260 Cleaner - Emulsion
B. Access
(1)
Location Zone 124 Area Below Forward Cargo Container Compartment, Right
(2)
Access Panel
125A Service Panel, Toilet Drain
C. Procedure
S 143-020
(1) Regularly clean the panel with water and an emulsion cleaner.
(a) Use water, an emulsion cleaner and a sponge if it is necessary to remove the contamination.
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747-400 MAINTENANCE MANUAL
(b) Dry the panel with a clean cheesecloth.
TASK 12-17-61-603-052
4. Toilet Tank Servicing (Without Electrical Power) (Fig. 301)________________________________________________
A. General
(1) Make sure that you read and obey the specified instructions when you use the equipment to service the toilets (AMM 38-32-60/201).
B. Standard Tools and Equipment
(1) Toilet Waste Service Cart
NOTE: Use a toilet waste service cart that can do these steps:
____
-Fill the toilet tank with a delivery pressure of not less than 30 psig or more than 125 psig.
-Hold and transport not less than 40 gallons of toilet waste.
C. References
(1) AMM 38-32-60/201, Toilet Waste System
D. Consumable Materials
(1)
Method I
(a)
B00490 Deodorant - Chemical/Toilet Flush, Head-O-Matic, Alex Milne Assoc; Ontario, Canada
(b)
B00490 Deodorant - Chemical/Toilet Flush, Aerofresh, Century Chemical Products; Elkhart, Indiana
(c)
B00490 Deodorant - Chemical/Toilet Flush, Sani-Pak 41-100, Celeste Industries; Easton, Maryland
(d)
B00490 Deodorant - Chemical/Toilet Flush, Sanitex QC, Selig Chemical Ind; Atlanta, Georgia
(e)
B00490 Deodorant - Chemical/Toilet Flush, No. 101 Timsen Air Toilet Deodorant Unit (liquid or power); Chemical Corp; Los Angeles, California
(f)
B00490 Deodorant - Chemical/Toilet Flush, NFC Aircraft Chemical Toilet Deodorant; Lloyd George Assoc; Los Angeles, California
(g)
B00490 Deodorant - Chemical/Toilet Flush, Elkee Formula-1, Cyclo Manufacturing Co.: Denver, Colorado
(2)
Method II
(a) B00490 Deodorant - Chemical/Toilet Flush, Sani-Pak 41-008, Celeste Industies; Easton Maryland
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E. Access
(1)
Location Zone 124 Area Below Forward Cargo Container Compartment, Right
(2)
Access Panel
125A Service Panel, Toilet Drain
F. Drain and Flush the Toilet Tank
S 863-054
(1)
Open the door to the service panel.
S 863-055
(2)
Open the outer cap on the drain valve assembly.
S 863-056
(3)
Connect the waste drain hose on the service cart to the drain valve assembly at the service panel.
S 863-057
(4)
Push the PUSH-TO-OPEN lever on the drain valve assembly.
S 863-058
(5)
Pull the handle for the toilet drain valve at the service panel.
S 863-053
(6)
Do the steps to open the fill valve in Manual Operation of the Fill Valve (AMM 12-17-61/301).
S 863-059
(7)
Do the steps to open the toilet drain valve in Manual Operation of the Toilet Drain Valve (AMM 12-17-61/301).
S 683-060
(8)
Make sure that the toilet tank drains:
(a)
Listen for the liquid flow through the hose that drains the toilet tank.
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