E. NGS Filter Removal
SUBTASK 47-32-04-020-003
(1) Remove the filter bowl [11] from the NGS filter assembly [1].
(a) Disconnect the vee band clamp [12].
(b) Remove the insulation jacket [20].
(c) Remove the outer flange O-ring [15].
1) Discard the O-ring [15].
SUBTASK 47-32-04-020-004
(2) Remove the filter element from the filter head [16].
(a) Remove the bolt [19].
1) Remove the O-ring [18] from the bolt [19].
2) Discard the O-ring [18].
(b) Remove the filter element [17] away from the filter head [16].
NOTE: Special precaution is necessary to make sure that residual contamination in the
filter head [16] does not go into the outlet side of the NGS filter assembly [1] and
then downstream into the ASM
1) Discard the filter element [17].
ILF 101, 151, 156-199, 301, 304, 308, 310, 314, 315, 317-319, 323, 331-399, 401, 405, 406, 409, 410,
412, 416, 424, 425, 427-429, 451, 501-504, 507, 508, 512-514, 516, 518, 524, 531-533, 535-537, 541,
542, 552-556, 560-562, 567, 571-575, 671, 672, 686, 703, 707-710, 803-813, 821, 822, 831, 832, 836,
837, 841, 842, 851, 852, 854-858, 861-863, 871-874, 947, 948, 968-970, 972, 973 POST SB
737-47-1015 AND POST SB 737-47-1003; ILF 402, 452, 509, 510, 523, 525-528, 568, 569, 576, 577,
581, 583, 585, 588-590, 592-599, 601-603, 606, 607, 610-615, 620, 625-627, 691-699, 833-835, 838,
971, 980-999 POST SB 737-47-1015
(c) Remove the filter element [21] away from the filter head [16].
NOTE: Special precaution is necessary to make sure that residual contamination in the
filter head [16] does not go into the outlet side of the NGS filter assembly [1] and
then downstream into the ASM
1) Discard the filter element [21].
ILF 402, 452, 509, 510, 523, 525-528, 568, 569, 576, 577, 581, 583, 585, 588-590, 592-599, 601-603,
606, 607, 610-615, 620, 625-627, 691-699, 833-835, 838, 971, 980-999; ILF 101, 151, 156-199, 301,
304, 308, 310, 314, 315, 317-319, 323, 331-399, 401, 405, 406, 409, 410, 412, 416, 424, 425, 427-429,
451, 501-504, 507, 508, 512-514, 516, 518, 524, 531-533, 535-537, 541, 542, 552-556, 560-562, 567,
571-575, 671, 672, 686, 703, 707-710, 803-813, 821, 822, 831, 832, 836, 837, 841, 842, 851, 852,
854-858, 861-863, 871-874, 947, 948, 968-970, 972, 973 POST SB 737-47-1003
(d) Remove the O-ring [13] and O-ring [14].
1) Discard the O-ring [13] and O-ring [14].
END OF TASK
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
47-32-04
Page 403
D633A101-ILF Oct 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF 402, 452, 509, 510, 523, 525-528, 568, 569, 576, 577, 581, 583, 585, 588-590,
592-599, 601-603, 606, 607, 610-615, 620, 625-627, 691-699, 833-835, 838, 971, 980-999;
ILF 101, 151, 156-199, 301, 304, 308, 310, 314, 315, 317-319, 323, 331-399, 401, 405,
406, 409, 410, 412, 416, 424, 425, 427-429, 451, 501-504, 507, 508, 512-514, 516, 518,
524, 531-533, 535-537, 541, 542, 552-556, 560-562, 567, 571-575, 671, 672, 686, 703,
707-710, 803-813, 821, 822, 831, 832, 836, 837, 841, 842, 851, 852, 854-858, 861-863,
871-874, 947, 948, 968-970, 972, 973 POST SB 737-47-1003