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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. EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
12-17-61 ALL ú ú 03 Page 307 ú Feb 15/99 BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. A 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
(a) B00490 Deodorant - Chemical/Toilet Flush, Sani-Pak 41-008, Celeste Industies; Easton Maryland EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
12-17-61 ALL ú ú 03 Page 308 ú Feb 18/02 BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. A 747-400 MAINTENANCE MANUAL
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.
(2) Open the outer cap on the drain valve assembly.
(3) Connect the waste drain hose on the service cart to the drain valve assembly at the service panel.
(4) Push the PUSH-TO-OPEN lever on the drain valve assembly.
(5) Pull the handle for the toilet drain valve at the service panel.
(6) Do the steps to open the fill valve in Manual Operation of the Fill Valve (AMM 12-17-61/301).
(7) Do the steps to open the toilet drain valve in Manual Operation of the Toilet Drain Valve (AMM 12-17-61/301).
(8) Make sure that the toilet tank drains:
(a) Listen for the liquid flow through the hose that drains the toilet tank. www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：747-400 AMM 飞机维护手册 SERVICING 2
