ILF 101, 151, 156-199, 301, 304, 308, 310, 314, 315, 317-319, 323, 331-399, 402, 405, 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, 707-710,
803-813, 821, 822, 831-838, 841, 842, 851, 852, 854-858, 861-863, 871-874, 947, 948, 968-973, 980-999; ILF 401,
406, 409, 410, 412, 416 POST SB 737-24-1128 (Continued)
(b) Remove the aft two bolts and washers that hold the cooling duct assembly to the bottom
of the cover [3].
NOTE: You can loosen the fwd two bolts to make removal of the cover [3] easier.
(c) Remove the four screws [13] that hold the cover [3] and the retainer [14] together.
(d) Remove the cover [3].
NOTE: Be careful when removing the cover. There are bushings [6] installed between
the terminal studs and the cover that could fall out when the cover is removed.
(e) Install identification tags on the three wires connected to the terminal studs [7].
(f) Remove the three screws [12] and washers [11] that hold the terminal studs [7] and the
wires to the rigid bus assembly.
(g) Remove the terminal studs [7] and the retainer [14] from the current transformer in one
piece.
NOTE: Leave retainer [14] attached to the terminal studs [7]. If these items show any
damage, then they should be replaced.
(h) Loosen the two screws that hold the electrical connector to the current transformer.
(i) Remove the electrical connector.
(j) Remove the screw [8] and washer [9] that hold the current transformer to the rigid bus
assembly.
(k) Remove the current transformer [10].
ILF ALL
END OF TASK
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
24-21-71
Page 403
D633A101-ILF Jun 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF ALL
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