D. Access Panels
Number Name/Location
117A Electronic Equipment Access Door
E. Auxiliary Battery Charger Installation
SUBTASK 24-31-31-910-002
CAUTION
DO NOT TOUCH THE AUXILIARY 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 auxiliary battery charger [1], do this task: ESDS Handling for Metal
Encased Unit Installation, TASK 20-40-12-400-802.
SUBTASK 24-31-31-420-001
(2) Install the auxiliary battery charger [1] on the E3-3 shelf, do this task: E/E Box Installation,
TASK 20-10-07-400-801.
SUBTASK 24-31-31-420-002
(3) Connect the auxiliary battery charger per the steps that follow:
(a) Install the wires on the terminal studs of the battery charger.
(b) Install the nut [2], lockwasher [3] and washer [4] on the terminal stud.
(c) Tighten nut to 140 ±5 in-lb (16 ±1 N·m).
(d) Install the nut [7], lockwasher [6] and washer [5] on the terminal stud.
(e) Tighten nut to 180 ±10 in-lb (20 ±1 N·m).
(f) Install the electrical connector on the battery charger.
SUBTASK 24-31-31-860-003
(4) Remove the safety tags and close these circuit breakers:
Battery Shield, J9
Row Col Number Name
A 3 C01209 AUX BAT CHARGER
Power Distribution Panel Number 1, P91
Row Col Number Name
E 3 C00922 AUX BAT CHGR
ILF 493-500, 560, 561, 563, 564, 567-569, 581, 583, 585, 589, 590, 597-599, 601-603, 606, 607,
610-615, 620, 625-627, 671, 672, 691-699, 835, 838, 841, 842, 851, 852, 857, 858, 947, 948, 968-973,
980-999
SUBTASK 24-31-31-420-005
(5) Install the access cover on top of the J39 shield.
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, 559-561, 563, 564, 567-569, 571-577, 581, 583, 585, 589, 590, 597-599,
601-603, 606, 607, 610-615, 620, 625-627, 671, 672, 691-699, 703, 803-813, 821, 822, 831, 832,
835-838, 841, 842, 851, 852, 857, 858, 947, 948, 968-973, 980-999
F. Auxiliary Battery Charger Installation Test
SUBTASK 24-31-31-710-001
(1) Do a check of the auxiliary battery charger per the steps that follow:
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
24-31-31
Page 408
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ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details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, 559-561, 563,
564, 567-569, 571-577, 581, 583, 585, 589, 590, 597-599, 601-603, 606, 607,
610-615, 620, 625-627, 671, 672, 691-699, 703, 803-813, 821, 822, 831, 832,
835-838, 841, 842, 851, 852, 857, 858, 947, 948, 968-973, 980-999
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