A. There is no special job set-up for this task.
4. Procedure
_________ Subtask 25-30-00-920-051 R A. Remove and Discard the Filter Elements
(1) Replace the filter elements of the air extraction system (Ref. TASK 25-30-00-960-002).
EFF : ALL
25-30-00Page 301
TASK 25-30-00-960-001
Replacement of the Galley Water-Filter Elements (if installed)
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific clean lint-free cloth R No specific 1 CONTAINER - CLEAN, APPLICABLE
B. Expendable Parts
-------------------------------------------------------------------------------
FIG.ITEM |DESIGNATION |IPC-CSN
-------------------------------------------------------------------------------
R 5 cartridge-filter 25-31-01 99 -010
C. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-42-00-862-001 De-energize the Ground Service Network Supplied from
the External Power
25-35-15-000-001 Removal of the Coffee Maker
25-35-15-400-001 Installation of the Coffee Maker
25-35-21-000-001 Removal of the Beverage Maker
25-35-21-400-001 Installation of the Beverage Maker
25-35-25-000-001 Removal of the Hot-Cup
25-35-25-000-002 Removal of the Hot-Jug
25-35-25-400-001 Installation of the Hot-Cup
25-35-25-400-002 Installation of the Hot-Jug
25-35-27-000-001 Removal of the Water Boiler/Heater
25-35-27-400-001 Installation of the Water Boiler/Heater
EFF : ALL
25-30-00Page 302
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R 25-35-29-000-001 Removal of the Refrigerator R 25-35-29-400-001 Installation of the Refrigerator 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
25-30-00-991-006 Fig. 301
3. Job Set-up
__________
Subtask 25-30-00-861-053
A. Energize the ground service network
(Ref. TASK 24-41-00-861-002)
Subtask 25-30-00-010-056
B. Get Access
NOTE : A placard shows the location of the water filter.
____
(1) Remove the following equipment as necessary:
(a)
The coffee maker (Ref. TASK 25-35-15-000-001).
(b)
The beverage maker (Ref. TASK 25-35-21-000-001).
(c)
The hot cup (Ref. TASK 25-35-25-000-001).
(d)
The hot jug (Ref. TASK 25-35-25-000-002).
(e)
The water heater (Ref. TASK 25-35-27-000-001).
(f)
The refrigerator (Ref. TASK 25-35-29-000-001).
(g)
The access panel.
EFF : ALL
25-30-00Page 303
4. Procedure_________
Subtask 25-30-00-960-051
R A. Replacement of the Galley Water-Filter Cartridge (Ref. Fig. 301/TASK 25-30-00-991-006)
R R (1) Close the potable-water shut-off valve of the galley potable-water system.
(2) Open the water faucet in the galley to release the water pressure.
(3) Get access to the galley water-filter.
(4) If applicable, operate the air vent (1) on the filter top (2).
R R (5) Put a CONTAINER - CLEAN, APPLICABLE below the filter shell (6).
(6) Release the nut (7) and remove the clamp (4).
(7) Remove the filter top (2).
(8) Remove and discard the gasket (3).
(9) Remove and discard the filter cartridge (5) from the filter shell (6), if necessary.
(10) Make sure that the parts retained from the removed component are clean and in the correct condition.
(11) Clean the component interface and/or the adjacent area.
(12) Do an inspection of the component interface and/or the adjacent area.
(13) Make sure that the inside of the filter shell (6) is clean.
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