EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. FREIGHTERS ú
38-14-61
ú ú 01 Page 402 ú Jun 10/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
C28602
A
747-400
MAINTENANCE MANUAL
TASK 38-14-61-404-007
3. Water Quantity Transmitter Installation (Fig. 401)
_______________________________________
A. References
(1)
AMM 12-14-61/301, Potable Water Servicing
(2)
AMM 24-22-00/201, Manual Control
(3)
AMM 25-52-01/401, Containerized Cargo Compartment Ceiling and Sidewall Linings
B. Access
(1) Location Zone 124 Forward Cargo Container Compartment Aft Half, Right
C. Procedure
S 424-008
(1)
Hold the water quantity transmitter on the plate.
S 424-009
(2)
Install the fasteners that hold the water quantity transmitter on the plate.
S 434-010
(3)
Connect the electrical connector to the water quantity transmitter.
S 434-011
(4)
Connect the wire from the water quantity transmitter to the water tank.
S 864-012
(5)
Remove the DO-NOT-CLOSE tags and close this circuit breaker on P180 DC Power Distribution Panel:
(a) 180D19 POT WATER SYSTEM
S 864-013
(6)
Do this task: "Water System Servicing (Drain)" (AMM 12-14-61/301).
S 714-014
(7)
Make sure the water quantity indicator on the water service panel shows empty (zero percent).
(8)
Do this task: "Water System Servicing (Fill)" (AMM 12-14-61/301).
S 714-018
(9)
Make sure the water quantity indicator on the water service panel shows full (100%).
S 864-015
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. FREIGHTERS ú
38-14-61
ú ú 01 Page 403 ú Oct 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 414-016
(10)
Do the "Containerized Cargo Compartment Ceiling and Sidewall Linings" - Installation" task (AMM 25-52-01/401) to install the sidewall lining that was removed.
S 864-017
(11)
Remove electrical power if it is not necessary (AMM 24-22-00/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. FREIGHTERS ú
38-14-61
ú ú 01 Page 404 ú Oct 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
WATER SERVICE PANEL WATER QUANTITY INDICATOR - REMOVAL/INSTALLATION
___________________________________________________________________
1. General_______
A. The procedure includes two tasks
(1)
The removal of the water quantity indicator from the water service panel.
(2)
The installation of the water quantity indicator on the water service panel.
B. The installation task of the indicator includes an operational check of the indicator.
TASK 38-14-62-004-005
2. Water Quantity Indicator Removal (Fig. 401)________________________________
A. Access
(1)
Location Zone 128 Area Aft of Forward Cargo Container Compartment, Right
(2)
Access Panel
191FF Access Door, Water Service
B. Procedure
S 864-001
(1) Open this circuit breaker on P180 DC Power Distribution Panel and attach a DO-NOT-CLOSE tag:
(a) 180D19, POT WATER SYSTEM
S 014-006
(2)
Open the water service panel door.
S 024-007
(3)
Remove the indicator.
(a)
Disconnect the electrical connector.
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