E. Access Panels
Number Name/Location
117A Electronic Equipment Access Door
F. Prepare for the removal
SUBTASK 24-31-21-010-003-002
(1) Set the BAT switch on the P5-13 panel to the OFF position.
SUBTASK 24-31-21-010-004-002
(2) To get access to the main equipment center, open this access panel:
Number Name/Location
117A Electronic Equipment Access Door
ILF 493-500, 560-564, 567-569, 581, 583, 585, 588-590, 592-599, 601-603, 606, 607, 610-615, 620,
625-627, 671, 672, 691-699, 833-835, 838, 841, 842, 851, 852, 857, 858, 947, 948, 968-973, 980-999
SUBTASK 24-31-21-020-005
(3) Remove the access cover on top of the J39 shield to get access to the circuit breakers.
ILF 101, 151, 156-199, 301, 304, 308, 310, 314, 315, 317-319, 323, 331-399, 401, 402, 405, 406, 409,
410, 412, 416, 424, 425, 427-429, 451, 452, 491-504, 507-510, 512-516, 518-520, 523-528, 530-533,
535-537, 541, 542, 552-557, 559-564, 567-569, 571-577, 581, 583, 585, 588-590, 592-599, 601-603,
606, 607, 610-615, 620, 625-627, 671, 672, 686, 691-699, 703, 803-813, 821, 822, 831-838, 841, 842,
851, 852, 854-858, 861-863, 871-874, 947, 948, 968-973, 980-999
SUBTASK 24-31-21-860-004-002
CAUTION
DO NOT DISCONNECT THE BATTERY CHARGER BEFORE YOU OPEN THE
CIRCUIT BREAKERS. WITH THE BATTERY SWITCH IN THE OFF POSITION,
THE BATTERY WILL CONTINUE TO ENERGIZE THE POSITIVE TERMINAL
OF THE BATTERY CHARGER. IF YOU DISCONNECT THE BATTERY
CHARGER BEFORE YOU OPEN THE CIRCUIT BREAKERS, YOU CAN
CAUSE DAMAGE TO THE BATTERY CHARGER.
(4) Open these circuit breakers and install safety tags:
Battery Shield, J9
Row Col Number Name
A 4 C00142 BATTERY CHARGER
Power Distribution Panel Number 2, P92
Row Col Number Name
E 1 C00809 BAT CHGR
NOTE: When these circuit breakers are opened the battery will supply power to the hot battery
bus. You can remove the main battery connector to stop the drain on the battery.
G. Main Battery Charger Removal
SUBTASK 24-31-21-910-003-002
CAUTION
DO NOT TOUCH THE BATTERY CHARGER BEFORE YOU DO THE
PROCEDURE FOR DEVICES THAT ARE SENSITIVE TO ELECTROSTATIC
DISCHARGE. ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE
BATTERY CHARGER.
(1) Before you touch the battery charger [1], do this task: ESDS Handling for Metal Encased Unit
Removal, TASK 20-40-12-000-802.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
24-31-21
Config 2
Page 402
D633A101-ILF Jun 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF 101, 151, 156-199, 301, 304, 308, 310, 314, 315, 317-319, 323, 331-399, 401,
402, 405, 406, 409, 410, 412, 416, 424, 425, 427-429, 451, 452, 491-504, 507-510,
512-516, 518-520, 523-528, 530-533, 535-537, 541, 542, 552-557, 559-564,
567-569, 571-577, 581, 583, 585, 588-590, 592-599, 601-603, 606, 607, 610-615,
620, 625-627, 671, 672, 686, 691-699, 703, 803-813, 821, 822, 831-838, 841, 842,
851, 852, 854-858, 861-863, 871-874, 947, 948, 968-973, 980-999
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