(4)
Close the circuit breaker that supplies electrical power to the shutoff valve.
(5)
Complete the steps to flush and add the chemical precharge to the tanks.
(6)
Move the handle on the shutoff valve to the CLOSE position.
F. The Manual Operation of the electric Toilet Drain Valve includes these steps:
NOTE: This procedure gives the steps to manually open or close the
____ toilet drain valve which is normally operated electrically.
(1) Open the circuit breaker that supplies electrical power to the toilet drain valve.
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(2)
Turn the manual override clockwise to the open position.
(3)
Allow the tank to drain.
(4)
Turn the manual override counterclockwise to the close position.
(5)
Close the circuit breaker that supplies electrical power to the toilet drain valve.
(6)
Make sure the toilet drain valve indicator light at the service panel is off.
TASK 12-17-61-603-048
2. Toilet Tank Servicing (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 60 psig.
-Hold and transport not less than 40 gallons of toilet waste.
C. References
(1)
AMM 24-22-00/201, Manual Control
(2)
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
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MAINTENANCE MANUAL
Toilet Servicing
Figure 301
C30206
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(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
E. Access
(1)
Location Zone 124 Area Below Forward Cargo Container Compartment, Right
(2)
Access Panel
125A Service Panel, Toilet Drain
中国航空网 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 1(100)
