Subtask 38-10-00-670-053
H. Rest Disinfectant Test
(1) Let the water flow over indicator paper (for alkali) to test for disinfectant in the water. If there is disinfectant in the water, flush the system again.
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Subtask 38-10-00-670-055
J. Rest Disinfectant (after sanitation with Hydrogen Peroxide (H2O2)
(Herlisil)), (H BIO T50) or (ELSIL)
(1) Make sure that you have flushed the potable water system 2 times minimum. This is necessary to make sure that there is no rest disinfectant in the system.
5. Close-up
________ Subtask 38-10-00-560-053
A. Installation of the Filter Elements and Nozzle Assys
(1)
Shut off the ground air supply.
(2)
Drain the potable water system (Ref. TASK 12-24-38-680-002).
(3)
Install the new filter elements in the galley filter housings (Ref. TASK 25-30-00-960-001).
(4) Install the water-faucet nozzle assys (Ref. TASK 38-12-41-400-006). Subtask 38-10-00-560-057
B. Installation of the Filter Elements (Hydrogen Peroxide (H2O2)
(Herlisil)), (H BIO T50) or (ELSIL)
(1)
Shut off the ground air supply.
(2)
Drain the potable water system (Ref. TASK 12-24-38-680-002).
(3)
Install the new filter elements in the galley filter housings (Ref. TASK 25-30-00-960-001).
Subtask 38-10-00-613-053
C. If necessary fill the potable water system (Ref. TASK 12-15-38-613-001).
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**ON A/C 001-049, 051-099, 101-149, 201-299,
Subtask 38-10-00-410-053
D. Close Access
(1)
Disconnect the ground air-supply cart.
(2)
Disconnect the hoses from the waste water drain mast and potable water drain connections.
(3)
Make sure that the work area is clean and clear of tool(s) and other items.
(4)
Make sure that the switch on the water heaters in the lavatories is set to the ON position.
(5)
Close the panel doors 133AL, 192NB and the service door 171AL.
(6) Remove the warning notice(s). R **ON A/C 151-199, 301-399, 401-499,
Subtask 38-10-00-410-053-A
D. Close Access
(1)
Disconnect the ground air-supply cart.
(2)
Disconnect the hoses from the waste water drain mast and the potable water drain connection.
(3)
Make sure that the work area is clean and clear of tool(s) and other items.
(4)
Make sure that the switch on the water heaters in the lavatories is set to the ON position.
(5)
Close the service door 171AL and the drain panel door 133AL.
(6) Remove the warning notice(s).
**ON A/C ALL
Subtask 38-10-00-942-052
E. Remove the ground support and maintenance equipment, the special and standard tools and all other items.
TASK 38-10-00-281-001 Sampling of the Potable Water NOTE : Make sure that the source from which the potable water is filled (for
____ the use of servicing the potable water system) has drinking water quality. Referred to the national authority regulations.
1.
Reason for the Job
__________________
To measure the quality of the potable water.
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific 1 BOTTLE - SAMPLE
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 38-10-00-670-002 Sterilization of Water Tank and Distribution System
3. Job Set-up
__________ Subtask 38-10-00-861-057
A. Energize the ground service network
(Ref. TASK 24-42-00-861-001).
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Subtask 38-10-00-010-060
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