(WARNING PRECEDES)
CAUTION
DO NOT TOUCH THE STATIC INVERTER BEFORE YOU DO THE
PROCEDURE FOR DEVICES THAT ARE SENSITIVE TO ELECTROSTATIC
DISCHARGE. ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE
STATIC INVERTER.
(1) Do this task: ESDS Handling for Metal Encased Unit Installation, TASK 20-40-12-400-802.
SUBTASK 24-34-21-420-001
(2) Install the static inverter [1], do this task: E/E Box Installation, TASK 20-10-07-400-801.
SUBTASK 24-34-21-420-002
(3) Do these steps to connect the static inverter [1]:
(a) Put the wires on the terminal studs of the static inverter [1].
ILF ALL; AIRPLANES WITHOUT STATIC INVERTER P/N 1-002-0102-2170
(b) Do these steps to install the wires:
ILF ALL; AIRPLANES WITH STATIC INVERTER WITH NON-PINNED TERMINAL BLOCK
1) Install the nut [2], lockwasher [3], and washer [4] on the terminal stud.
a) Tighten the nut [2] to 145 ±10 in-lb (16 ±1 N·m).
2) Install the nut [5], lockwasher [6], and washer [7] on the terminal stud.
a) Tighten the nut [5] to 75 ±10 in-lb (8 ±1 N·m).
ILF ALL; AIRPLANES WITH MOD A STATIC INVERTER WITH PINNED TERMINAL BLOCK
3) Install the nut [2], lockwasher [3] and washer [4] on the terminal stud.
a) Tighten the nut [2] to 155 ±10 in-lb (18 ±1 N·m).
4) Install the nut [5], lockwasher [6], and washer [7] on the terminal stud.
a) Tighten the nut [5] to 85 ±10 in-lb (10 ±1 N·m).
ILF 452, 530, 553, 589, 590, 592-599, 601-603, 606, 607, 610-615, 620, 625-627, 691-699, 833-835,
838, 972, 980-999; 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, 491-504, 507-510, 512-516, 518-520,
523-528, 531-533, 535-537, 541, 542, 552, 554-557, 559-564, 567-569, 571-577, 581, 583, 585, 588,
671, 672, 703, 707-710, 803-813, 821, 822, 831, 832, 836, 837, 841, 842, 851, 852, 854-858, 861-863,
871-874, 947, 948, 968-971, 973 POST SB 737-24-1205; AIRPLANES WITH STATIC INVERTER WITH
LOCKNUT HARDWARE CONFIGURATION
5) Install the locknut [12] and washer [4] on the terminal stud.
a) Tighten the locknut [12] to 125 ±4 in-lb (14 ±0 N·m).
6) Install the locknut [13] and washer [7] on the terminal stud.
a) Tighten the locknut [13] to 65 ±2 in-lb (7 ±0 N·m).
ILF ALL; AIRPLANES WITH STATIC INVERTER P/N 1-002-0102-2170
(c) Do these steps to install the wires:
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
24-34-21
Page 407
D633A101-ILF Oct 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF ALL
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