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747-400 MAINTENANCE MANUAL
S 715-039
(4) Make sure that the oven fans operate.
NOTE: Make sure that all the fans turn the same direction
____
(counterclockwise).
S 715-040
(5)
Make sure that the oven heaters operate.
S 715-041
(6)
Set the oven switch to the OFF position and make sure that the light goes off.
H. Do a test of the Operation for the Coffeemaker (Galleys With Coffeemakers).
S 715-042
CAUTION:_______TURN THE WATER ON BEFORE YOU OPERATE THE COFFEEMAKER. IF YOU OPERATE THE COFFEEMAKER DRY, YOU CAN CAUSE DAMAGE TO THE OVERHEAT SWITCH.
(1)
Make sure that the shutoff valve for the galley water system is in the OPEN position.
S 865-043
(2)
Set the pot on the coffeemaker.
(3)
Set the coffeemaker switch to the ON position.
(4)
Make sure that the coffeemaker lights come on.
(5)
Push the switch for the coffeemaker warmer to the ON position.
S 865-044
S 715-045
S 865-046
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747-400 MAINTENANCE MANUAL
S 715-047
(6)
Make sure that the coffeemaker warmers operate correctly.
S 865-048
(7)
Push the switch for the coffeemaker to the OFF position.
S 865-049
(8)
Push the brew switch to the ON position.
S 715-050
(9)
Make sure that the brew light comes on.
S 715-051
(10)
Make sure that the pot fills with water and the water stops
automatically.
S 865-106
WARNING:_______DO NOT RELEASE THE HANDLE BEFORE THE BREW LIGHT GOES OUT. MAKE SURE THAT THE WATER FLOW OUT OF THE BREW HEAD STOPS. MAKE SURE THAT THE PRESSURE RELEASES FROM THE POT. DAMAGE TO EQUIPMENT AND INJURY TO PERSONS CAN OCCUR.
(11) Release the handle after each brew light goes out and the pressure has released.
I. Do a test of the Operation for the Hot Plates ( Galleys With Hot Plates).
S 865-053
(1)
Set the hot plate switch to the ON position.
(2)
Make sure that the hot plate gets hot.
(3)
Set the hot plate switch to the OFF position.
S 715-054
S 865-055
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
J. Do a test of Operation of the Bun Warmers (Galleys with Warmers)
S 865-056
(1)
Set the bun warmer switch to the ON position.
S 715-057
(2)
Make sure that the bun warmer light comes on.
S 715-058
(3)
Make sure that the bun warmer compartment is warm.
S 865-059
(4)
Set the bun warmer switch to the OFF position.
K. Put the galley in the usual configuration
S 865-075
(1)
Set all of the control switches to the OFF position.
S 865-060
(2)
Make sure that you drain all of the containers.
S 865-061
(3)
Set the shutoff valves for the water supply to the closed position.
S 865-062
(4)
Set all of the water drain valves to the open position.
(5)
Make sure that the system that drains the upper deck galley is open.
(6)
Open all of the circuit breakers on the galley control panel.
(7)
Turn off all of the galley lights.
S 865-063
S 865-064
S 865-065
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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