B.  References
 (1)
AMM 23-42-06/401, Cabin Interphone Handset

 (2)
AMM 24-22-00/201, Manual Control

 (3)
AMM 25-25-01/401, Track-Mounted Passenger Seats

 (4)
AMM 38-15-00/201, Water System Pressurization

 (5)
IPC 25-32-01

 (6)
WDM 25-31-11

 (7)
WDM 25-31-21

 (8)
WDM 25-31-31

 (9)
WDM 25-31-41

 (10)
 SSM 25-31-01

 (11)
 SSM 25-31-02

 (12)
 SSM 25-31-03

 (13)
 SSM 25-31-04

 C.  Access
 (1)  Location Zone
 223 Fwd Upper Deck Passenger Cabin LH

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747-400
MAINTENANCE MANUAL

LAVATORY

STANDARD CONTAINER (8 LOCATIONS) (LEFT SIDE) (FRONT) (RIGHT SIDE)
GALLEY

Upper Deck Galley Complex
Figure 401 (Sheet 1)

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747-400
MAINTENANCE MANUAL

AIRPLANE STRUCTURE (REF) GALLEY
B

SHEAR PANEL (REF)
WATER DRAIN INTERFACE

Upper Deck Galley Complex
Figure 401 (Sheet 2)

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747-400 MAINTENANCE MANUAL
 D. Procedure
 NOTE: When you remove the galley components and equipment, you will have
____ loose parts and equipment. Put the hardware in a bag, attach a tag and connect the bag to the related parts when they are removed. When you remove the galley equipment, attach a tag for identification.
 S 864-244
 (1)  
Before disconnecting the galley AC power connector, turn off the main 3 phase AC power to the associated galley. Make sure all galley lights are unpowered in the associated galley complex.

 S 864-002

 (2)
Open the applicable circuit breakers and attach DO-NOT-CLOSE tags:

 (a)  
P180 DC Power Distribution Panel
 1) 180D8, GALLEY DC PWR & CONT-2
 2) 180D24, CHILLER CONT

 (b)  
P414 Power Distribution Center - Left
 1) 414M15 - GALLEY LIGHTING, UPPER DECK
 2) 414N26, U/D GALLEY FEEDER A

 (c)  
P415 Power Distribution Center - Right
 1) 415N14, U/D GALLEY FEEDER B

 S 014-003
 (3)  
Remove the passenger seats (AMM 25-25-01/401).

 S 014-011

 (4)  
Remove the decorative panels, trim and the kickstrip.

 S 844-012

 (5)  
Remove the water pressure from the passenger water system
 (AMM 38-15-00/201).

 (6)  
Put the water shutoff valve in the OFF (closed) position.

 (7)
Open the vent screw on the filter cap to drain the water filter.

 (8)  
Close the vent screw.

 (9)
Open the spigots on the coffeemaker to drain the water system.

 S 864-013
 S 014-141
 S 414-142
 S 874-113
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