(a) Disconnect the electrical connector [3] from the overtemperature shutoff valve [1].
(b) Remove the screw [12], washer [13], and nut [14] to disconnect the bonding jumper [2].
1) Keep the screw [12], washer [13], and nut [14] for the installation.
(c) Disconnect the coupling [7] from between the air supply duct [5] and the overtemperature
shutoff valve [1].
(d) Remove the sleeve [6] from between the air supply duct [5] and the overtemperature
shutoff valve [1].
1) Discard the two o-rings [4].
(e) Hold the overtemperature shutoff valve [1] in its position.
(f) Disconnect the clamp [8] from between the overtemperature shutoff valve [1] and the air
separation module [10].
1) Discard the o-ring [9].
(g) Remove the overtemperature shutoff valve [1].
(h) Put a protective cover on the inlet port for the air separation module [10], and on the air
supply duct [5].
END OF TASK
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
47-11-04
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ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details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
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