E. Main Battery Charger Installation
SUBTASK 24-31-21-910-004-002
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
Installation, TASK 20-40-12-400-802.
SUBTASK 24-31-21-420-002-002
(2) Install the battery charger [1] on the E2-1 shelf, do this task: E/E Box Installation,
TASK 20-10-07-400-801.
SUBTASK 24-31-21-420-003-002
(3) Connect the battery charger [1] per the steps that follow:
(a) Install the wires on the terminal studs of the battery charger [1].
(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 screw [9], washer [8] and terminal block cover [10].
(g) Install the electrical connector on the battery charger [1].
SUBTASK 24-31-21-860-005-002
(4) Remove the safety tags and close these circuit breakers:
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
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 24-31-21-420-006
(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, 559-564, 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
F. Main Battery Charger Installation Test
SUBTASK 24-31-21-710-002-002
(1) Do a check of the battery charger [1] per the steps that follow:
(a) Do this task: Main Battery Charger Operational Test, TASK 24-31-21-710-801.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
24-31-21
Config 2
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ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details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, 559-564,
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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