(25)
After 5 minutes, do a check for leakage from the waste drain cap.
S 865-023
S 795-024
NOTE: If there are leaks, make a note to replace the seal on the
____ cap or replace the cap as necessary to repair the leak.
S 865-025
(26) Put a 40 to 50-gallon capacity container under the waste drain outlet.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. FREIGHTERS ú
38-32-60
ú ú 01 Page 511 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 865-026
WARNING:_______ MAKE SURE THAT YOU WEAR CLOTHING AND EQUIPMENT THAT PROTECTS
YOU FROM THE VALVE WASTE THAT CAN COME FROM THE SERVICE PANEL.
A FAILURE OF THE INNER DOOR CAN CAUSE THE CONTAMINATED WATER TO
FLOW UNEXPECTEDLY FROM THE SERVICE PANEL.
(27)
Carefully open the waste drain cap.
S 795-027
(28)
Do a check for leakage from the inner door.
NOTE: If there is leakage, make a note to replace the seal for the
____ inner door or replace the inner door as necessary to repair the leak.
S 865-028
(29) Remove the DO-NOT-CLOSE tag and close this circuit breaker on P414 Power Distribution Panel - Left:
(a) 414E19 DRAIN VALVE LAV TANKS U-21
S 865-029
(30)
Close the drain valve handle.
S 865-030
(31)
Open the circuit breaker on P414 Power Distribution Panel - Left and attach a DO-NOT-CLOSE tag:
(a) 414E19 DRAIN VALVE LAV TANKS U-21
S 865-031
(32)
Connect the drain line from the service cart to the waste drain fitting on the service panel.
S 865-032
(33)
Open the inner door (operate the push-to-open lever).
S 865-033
(34)
Open the drain valve handle.
S 865-034
(35)
Make sure there is water remaining in the toilet bowl.
S 865-035
(36)
If it is necessary, use a suitable container to add water to the toilet bowl.
S 865-036
(37)
Continue to add water until you can see and measure the level of water in the toilet bowl.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. FREIGHTERS ú
38-32-60
ú ú 01 Page 512 ú Oct 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 865-037
(38)
Measure the level of the water in the toilet bowl.
S 795-038
(39)
After 5 minutes, make sure the water level did not go down.
NOTE: If the water level went down, make a note to inspect and
____ repair the surfaces of the tank outlet and the tank drain valve. If it is necessary, replace the defective drain valve or toilet tank.
S 865-040
(40) Remove the DO-NOT-CLOSE tag and close this circuit breaker on P414 Power Distribution Panel - Left:
(a) 414E19 DRAIN VALVE LAV TANKS U-21
S 615-040
(41)
Do the steps in AMM 12-17-61/301 to drain the toilet tank and add the chemical precharge.
S 415-041
(42)
Carefully install the toilet shroud and engage the latches.
S 365-042
(43)
Do the repairs that were identified and noted in the steps above.
TASK 38-32-60-715-045
5. Rinse Fill System Operational Test__________________________________
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. References
(1)
AMM 12-17-61/301 Servicing
(2)
FIM 38-30-00/101 Waste Disposal
C. 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.
-Give a indication of the gallons of rinse fluid used to fill the toilet tank.
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