A. Aircraft Maintenance Configuration
(1)
Make sure that the aircraft electrical circuits are energized (Ref. TASK 24-41-00-861-002).
(2)
Make sure that the potable water-shutoff valve in the lavatory is closed.
(3)
Make sure that the work area is clean and clear of tool(s) and other items.
4. Procedure
_________
**ON A/C 001-003, 051-052,
(Ref. Fig. 403/TASK 38-12-41-991-007) R **ON A/C 004-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
(Ref. Fig. 403A/TASK 38-12-41-991-007-A) **ON A/C 001-003, 051-052,
Subtask 38-12-41-420-051
A. Installation of the Self-Closing Element.
(1)
Install a new O-ring (8) on the self-closing element (7).
(2)
Remove the blanking plug and install the self-closing element in the faucet housing (9).
(3)
Install the washer (6) and the spring (5)
(4)
Put the lever cap (4) in position and install the clamp (3).
(5) Install the spring clip (2) and the placard assembly (1). R **ON A/C 004-049, 053-099, 101-149, 151-199, 201-299, 301-399, 401-499,
Subtask 38-12-41-420-051-A
A. Installation of the Water-Faucet Self-Closing Element. WARNING : MAKE SURE THAT THE EQUIPMENT YOU USE FOR THIS PROCEDURE IS
_______ CLEAN AND APPROVED FOR THE POTABLE WATER SYSTEM. IF NOT IT CAN CAUSE CONTAMINATION OF THE POTABLE WATER SYSTEM.
NOTE : This procedure for the installation of the water-faucet
____ self-closing element is the same in all lavatories.
(Ref. Fig. 403A/TASK 38-12-41-991-007-A)
(1)
Remove the blanking plug from the faucet housing (8).
(2)
Install a new packing (7) on the self-closing element (6)
(3)
Install the self-closing element (6).
(4)
Use the special AQUA BUTZKE Key P/N W35-09-61 and tighten the self-closing element (6) assembly.
(5)
Install the spring (5) and the grip sleeve (4).
(6)
Install a new spring clip (3).
R (7) Install the screw (1) on the cap assembly (2). R (8) Install the cap assembly (2). NOTE : The side-borehole (1) of the cap assembly (2) must be aligned
____ with the rear side of the housing (8). R (9) Connect the cap assembly (2) with the screw (1) to the water faucet. **ON A/C ALL
Subtask 38-12-41-790-051
B. Leak Check.
(1)
Open the potable water shutoff valve in the lavatory.
(2)
Make sure that there is enough water in the potable water tank, if necessary fill (Ref. TASK 12-15-38-613-001).
(3)
Pressurize the potable water system (Ref. TASK 38-10-00-614-001).
(4)
Operate the water faucet and make sure that it functions correctly.
(5)
If necessary do the adjustment of the water-flow time of the water faucet (Ref. TASK 38-12-00-820-001).
(6) Make sure that there are no leaks, leaks are not allowed.
Subtask 38-12-41-670-055
C. Do the sterilization of the potable water system (Ref. TASK 38-10-00-670-002).
5. Close-up
________
Subtask 38-12-41-410-055
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the lavatory door.
Subtask 38-12-41-862-050
B. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
TASK 38-12-41-000-006
Removal of the Nozzle Assembly
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
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REFERENCE QTY DESIGNATION
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No specific special key AQUA BUTZE P/N 90-1002-03
No specific 1 CONTAINER 1 L (1/4 USGAL)
No specific 1 WARNING NOTICE
B. Referenced Information 中國航空網 m.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：A320飛機維護手冊 AMM WATER/WASTE 1(51)
