A. Energize the ground service network
(Ref. TASK 24-42-00-861-001).
Subtask 38-13-00-010-052
B. Get Access
R (1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the potable-water sercice-panel door (referred to as the service door) 171AL.
(2) Open the service door 171AL. R (3) Put the WARNING NOTICE in position to tell persons:
-Not to do the servicing of the potable water system.
4. Procedure
_________
Subtask 38-13-00-960-050
A. Replacement of the Indication Lamp
(Ref. Fig. 201/TASK 38-13-00-991-001)
(1)
Remove the cap (1) with the indication lamp (2) from the potable-water service panel 2023VU (3).
(2)
Remove the indication lamp (2) from the cap (1).
(3)
Put the new indication lamp (2) into the cap (1).
(4)
Install the cap (1) together with the new indication lamp (2) on the potable-water service panel 2023VU (3).
(5)
Torque the cap (1) to between 0.19 and 0.21 m.daN (16.81 and 18.58 lbf.in).
Subtask 38-13-00-710-052
B. Operational Test of the Indicator Light
(Ref. Fig. 201/TASK 38-13-00-991-001)
(1)
Push and hold the cap (1) to test that the light comes ON.
(2)
Release the cap (1) to switch OFF the light.
Potable Water Service-Panel
Figure 201/TASK 38-13-00-991-001
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5. Close-up
________
Subtask 38-13-00-410-052
A. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the access panel 171AL.
(3)
Remove the access platform(s).
(4)
Remove all the ground support equipment, the maintenance equipment, the standard and special tools and all other items.
Subtask 38-13-00-862-052
B. De-energize the ground service network
(Ref. TASK 24-42-00-862-001).
QUANTITY INDICATING - ADJUSTMENT/TEST
_____________________________________
TASK 38-13-00-710-001
Operational Test of the Quantity Indicating System
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
R No specific 1 CART - SERVICING, WATER, POTABLE
B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
12-24-38-680-001 Draining of the Potable Water System (with Electrical Power) 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
3. Job Set-up
__________
Subtask 38-13-00-861-050
A. Energize the ground service network
(Ref. TASK 24-42-00-861-001).
Subtask 38-13-00-860-050
B. Preparation for Test
(1)
Open the service panel 171AL.
(2)
Drain the potable water tank (Ref. TASK 12-24-38-680-001).
(3)
Connect the CART - SERVICING, WATER, POTABLE to the fill connection at the service panel 2023VU.
Subtask 38-13-00-865-052
C. Make sure that this(these) circuit breaker(s) is(are) closed:
-1MA, 1MP
4. Procedure
_________ R **ON A/C 001-049, 051-099, 101-149, 201-299,
Subtask 38-13-00-710-050
A. Do this test.
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. At the service panel 2023VU: - put the fill and drain handle to the FILL position. At the service panel 2023VU:- the fill/drain valve 16MA opens.
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