**ON A/C ALL
3. Job Set-up
__________
Subtask 38-12-41-861-055
A. Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
Subtask 38-12-41-010-058
B. Get Access
(1)
Install the hoses on the drain masts 4DU and 14DU.
(2)
Put the containers below the drain masts 4DU and 14DU.
(3)
Put the ends of the hoses into the CONTAINER 1 L (1/4 USGAL).
(4)
In the lavatory, turn the potable-water shut-off valve to the CLOSED position.
(5)
In the lavatory, operate the water faucet until no more water flows into the washbasin.
Subtask 38-12-41-941-050
C. Safety Precautions
(1) Put the WARNING NOTICE in position to tell persons not to use the toilet(s) or open the potable-water shut-off valve(s).
4. Procedure
_________
**ON A/C 001-003, 051-052,
(Ref. Fig. 404/TASK 38-12-41-991-012) R **ON A/C 004-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
(Ref. Fig. 404A/TASK 38-12-41-991-012-A)
Nozzle Assembly
Figure 404/TASK 38-12-41-991-012
R 1EFF : 001-003, 051-052, 1 38-12-41Page 424 1 1 May 01/05 1 1 1CES 1
Nozzle Assembly Figure 404A/TASK 38-12-41-991-012-A
R 1EFF : 004-049, 053-099, 101-149, 151-199, 1 38-12-41Page 425 1201-299, 301-399, 401-499, 1Aug 01/05 1 1 1CES 1
R **ON A/C ALL
R Subtask 38-12-41-020-055
R A. Removal of the Nozzle Assy
R NOTE : The procedure for the removal of the nozzle assembly is the same____
R for all of the lavatories.
R (1) Make match marks on the items.
R NOTE : To prevent errors on assembly, you must mark the parts before____
R you disassemble them.
R (2) Use the special key AQUA BUTZE P/N 90-1002-03 (4) to remove the
R nozzle assy (5) from the water-faucet outlet (1).
R (3) Remove the washer (2) from the nozzle (3).
TASK 38-12-41-400-006
Installation of the Nozzle Assembly
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific special key AQUA BUTZKE P/N 90-1002-03
No specific 1 CONTAINER 10 L(2 1/2 USGAL)
No specific 1 WARNING NOTICE
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
12-15-38-613-001 Fill the Potable Water Tank System (Aircraft Electrical Power Available) 24-42-00-861-001 Energize the Ground Service Network from the External Power 24-42-00-862-001 De-energize the Ground Service Network Supplied from the External Power 38-10-00-614-001 Pressurization of the Potable Water System from a Ground Air Supply 38-10-00-614-002 Depressurization of the Potable Water System
**ON A/C 001-003, 051-052,
38-12-41-991-012 Fig. 404
R **ON A/C 004-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
38-12-41-991-012-A Fig. 404A **ON A/C ALL
3. Job Set-up
__________
Subtask 38-12-41-860-060
A. Aircraft Maintenance Configuration
(1)
Make sure that the ground service network is energized (Ref. TASK 24-42-00-861-001).
(2)
Make sure that the CONTAINER 10 L(2 1/2 USGAL) are in position below the drain masts 4DU and 14DU.
(3)
Make sure that the ends of the hoses are in the containers below the drain masts.
(4)
Make sure that the WARNING NOTICE are in position to tell persons not to open the water shut-off valve.
(5)
Make sure that the potable-water shut-off valve in the lavatory is in the CLOSED position.
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