**ON A/C 001-049, 051-099, 101-105, 151-152, 201-206,
Subtask 25-41-41-865-086
J. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1LQ, 1MA, 1MB, 1MT, 1WJ, 2DV, 2RX, 2DW
R **ON A/C 106-149, 153-199, 207-299, 301-399, 401-499,
Subtask 25-41-41-865-086-A
J. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1LQ, 1MA, 1MB, 1WJ, 2DV, 2RX, 2DW
**ON A/C ALL
Subtask 25-41-41-710-050-B
K. Do an Operational Test of the Lavatory Systems
(1) Do an operational test of these water/waste systems:
-
the potable water system (Ref. TASK 38-12-00-710-002),
-
the potable water quantity indicating system (Ref. TASK 38-13-00-710-001),
-
the potable water heater (Ref. TASK 38-12-00-710-004),
-
the waste/water drain system (Ref. TASK 38-32-00-710-002),
-
the vacuum toilet unit (Ref. TASK 38-31-00-710-009).
NOTE : Leaks are not permitted.
____
(2)
Do a functional test of the lavatory air extraction system (Ref. TASK 21-23-00-720-002).
(3)
Do an operational test of these electrical systems:
-
the passenger address system
(Ref. TASK 23-73-00-710-005),
or
(Ref. TASK 23-73-00-710-022),
-
the cabin and flight crew interphone-system (Ref. TASK 23-73-00-710-003),
-
the lavatory call lights (Ref. TASK 23-73-00-710-007),
-
the lavatory smoke detection (Ref. TASK 26-17-00-710-001),
-
the lavatory lighting (Ref. TASK 33-24-00-710-001),
-
the lavatory emergency lighting (Ref. TASK 33-51-00-710-007),
-
the lavatory lighted signs (Ref. TASK 33-26-00-710-001),
-
the cabin attendant work-lights (Ref. TASK 33-27-00-710-001),
-
the return to seat sign (Ref. TASK 23-73-00-710-017),
-
the passenger oxygen system (Ref. TASK 35-23-00-710-001).
5. Close-up
________ Subtask 25-41-41-410-051
A. Close Access
(1)
Install the toilet shroud (Ref. TASK 25-45-22-400-001).
(2)
Install the forward utility-area ceiling-panels (Ref. TASK 25-23-42-400-001).
(3)
Install the lavatory area floor-covering (Ref. TASK 25-28-42-400-001).
(4)
Install the FWD passenger/crew door frame-lining (Ref. TASK 25-23-45-400-006).
(5)
Install the wall-mounted cabin-attendant seat (Ref. TASK 25-22-41-400-001).
(6)
Make sure that the work area is clean and clear of tool(s) and other items.
(7)
Close the lateral avionics compartment door 812.
(8)
Remove the stepladder.
(9)
Remove the warning notice(s).
(10) Remove the access platform(s). Subtask 25-41-41-862-051
B. De-energize the ground service network
(Ref. TASK 24-42-00-862-001).
R Schematic 2743VC-A Figure 410/TASK 25-41-41-991-029
R EFF : 001-049, 051-099, 101-105, 151-199, 201-210, Page 45625-41-41Config-2 Aug 01/05
CES
AFT LAVATORIES - DESCRIPTION AND OPERATION__________________________________________
R R 1. General_______ The aft lavatories are installed in the AFT utility area.
2. Component Location__________________ (Ref. Fig. 001)
RR 3. Component Description_____________________ (Ref. Fig. 002)
R R R R R R R A. General Characteristics The lavatories are installed as set or movable units. The set lavatories are hard point mounted in the floor structure. The movable lavatories are attached to the seat rails in the variable installation areas at 1 inch intervals. A tie-rod attaches the upper attachment point of the lavatory to the aircraft structure. Each lavatory has a single blade door or as an option, a bi-folding door can be installed on specific lavatories.
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