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24-51-00
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A
757 FAULT ISOLATION/MAINT MANUAL
115-VOLT AC POWER DISTRIBUTION
FIG.
COMPONENT 102 QTY ACCESS/AREA REFERENCE
SHT
RELAYS - (REF 31-01-06, FIG. 101)
CENTER BUS ISOLATION, K123 *
CENTER BUS TRANSFER, K107 *
ISOLATION REQUEST, K122 *
RELAYS (REF 31-01-34, FIG. 101)
GROUND HANDLING, K101 24-51-01
GROUND SERVICE SELECT, K103 24-51-04
RELAYS (REF 31-01-37, FIG. 101)
GALLEY GROUND LOAD SHED, K10136 *
GROUND GALLEY LOAD SHED CONT, K10391 *
GROUND SERVICE TRANSFER, K102 24-51-03
RIGHT UTILITY BUS, K120 24-51-02
UTILITY/GALLEY POWER FLIGHT RESET, K10109 *
UTILITY BUS GALLEYS R, K10298 *
RELAY (REF 31-01-70, FIG. 101)
LEFT UTILITY BUS, K119 24-51-02
UNIT (REF 31-01-06, FIG. 101)
CAPTAIN'S INSTRUMENT BUS VOLTAGE SENSING, 24-51-08
M10374
FIRST OFFICER'S INSTRUMENT BUS VOLTAGE 24-51-08
SENSING, M10375
* SEE THE WDM EQUIPMENT LIST
115-Volt AC Power Distribution - Component Index
Figure 101 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
24-51-00
ALL ú
ú 01 Page 102
ú Dec 20/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
FAULT ISOLATION/MAINT MANUAL
FLIGHT COMPARTMENT
115 Volt AC Power Distribution - Component Location
Figure 102
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
24-51-00
ALL ú ú 01 Page 103 ú Dec 20/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
GROUND HANDLING RELAY - REMOVAL/INSTALLATION
____________________________________________
1. General
_______
A. This procedure has two tasks. The first task removes the ground handling relay from the airplane. The second task installs the ground handling relay on the airplane.
TASK 24-51-01-024-001
2. Remove the Ground Handling Relay (Fig. 401)
________________________________
A. References
(1)
AMM 24-22-00/201, Electrical Power - Control
(2)
AMM 27-61-00/201, Spoiler/Speedbrake Control System
B. Access
(1)
Location Zones
119/120 Main Equipment Center
211/212 Flight Compartment
(2)
Access Panel
119AL Main Equipment Center
C. Prepare for the Removal
S 044-002
WARNING: DO THE DEACTIVATION PROCEDURE FOR THE SPOILERS OR MOVE ALL
_______ PERSONS AND EQUIPMENT AWAY FROM THE SPOILERS. THE SPOILERS CAN RETRACT QUICKLY AND CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(1) Do the deactivation procedure for the spoilers or move all persons and equipment away from the spoilers (AMM 27-61-00/201).
S 044-003
WARNING: REMOVE THE ELECTRICAL POWER FROM THE AIRPLANE WHEN YOU REMOVE
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