LOAD SHED RELAY - REMOVAL/INSTALLATION
1. General
A. This procedure has two tasks:
(1) A removal of the Load Shed Relay.
(2) An installation of the Load Shed Relay.
TASK 24-51-11-000-801
2. Load Shed Relay Removal
(Figure 401)
A. General
(1) The load shed relays are installed in the rear part of the P91 and P92 panels. The relays are
removed and installed through the forward bulkhead liners in the forward cargo area that
provide access to the back of the P91 and P92 panels.
(2) There is a minimum of one or a maximum of three, (depending on airplane configuration), load
shed relays installed in each of the power distribution panels (P91 and P92). Refer to Wiring
Diagrams WDM 24-51-11, WDM 24-51-21.
(3) Below is a list of the maximum number of load shed relays that could be installed in the P91
panel, there may be fewer:
(a) R561 - MAIN BUS 1
(b) R605 - GALLEY D
(c) R606 - GALLEY C
(4) Below is a list of the maximum number of load shed relays that could be installed in the P92
panel, there may be fewer:
(a) R562 - MAIN BUS 2
(b) R603 - GALLEY A
(c) R604 - GALLEY B
B. References
Reference Title
24-22-00-860-812 Remove Electrical Power (P/B 201)
WDM 24-51-11 Wiring Diagram Manual
WDM 24-51-21 Wiring Diagram Manual
C. Expendables/Parts
AMM Item Description AIPC Reference AIPC Effectivity
1 Relay 24-21-21-05-060 ILF 301, 304, 308, 310,
314, 315, 317-319, 323,
406, 409, 410, 412, 451,
501-504, 507, 514-516,
518, 524, 531, 533, 552
24-21-21-05-480 ILF 301, 304, 308, 310,
314, 315, 317-319, 323,
406, 409, 410, 412, 451,
501-504, 507, 514-516,
518, 524, 531, 533, 552
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
24-51-11
Page 401
D633A101-ILF Feb 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF ALL
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