H. Install the Heat Exchanger
SUBTASK 47-32-03-430-002
(1) Do these steps to attach the heat exchanger [11] to the bracket (View D).
(a) Make sure the bushings [18] are installed in the attached bracket.
(b) Apply a thin layer of compound, C00852, to the bolt [16].
(c) Put the heat exchanger [11] in its position.
(d) Install, but do not fully tighten, the bolt [16], washer [17], two bushings [18], washer [19]
and nut [20].
SUBTASK 47-32-03-430-003
(2) Do these steps to attach the heat exchanger [11] to the extension rod [23] (View E).
(a) Make sure the bushing [22] is installed.
(b) Apply a thin layer of compound, C00852, to the bolt [21]
(c) Put the heat exchanger [11] in its position.
(d) Install, but do not fully tighten, the bolt [21], washer [17], bushing [22], washer [24] and
nut [20].
SUBTASK 47-32-03-430-004
(3) Do these steps to attach the heat exchanger [11] to the bracket (View F).
(a) Make sure the bushings [18] are installed in the attached bracket.
(b) Put the heat exchanger [11] in its position.
(c) Install, but do not fully tighten, the bolt [16], washer [17], two bushings [18], washer [19]
and nut [20].
SUBTASK 47-32-03-430-005
(4) Do these steps to attach the heat exchanger [11] to the bracket (View G).
(a) Make sure the bushing [22] is installed in the attached bracket.
(b) Install, but do not fully tighten, the bolt [21], washer [17], bonding jumper [26],
washer [24], new shim [25] (if necessary),bushing [22], washer [19], and nut [20].
NOTE: Use a shim [25] to fill the space between the bosses when necessary.
SUBTASK 47-32-03-430-006
(5) Do these steps to connect to the bleed air inlet duct (View C):
WARNING
KRYTOX 240AC IS AN AGENT THAT IS POISONOUS AND AN IRRITANT.
MAKE SURE ALL PERSONS OBEY THE PRECAUTIONS WHEN KRYTOX
240AC IS USED.
• DO NOT USE IN AREAS WHERE THERE IS HIGH HEAT, SPARKS, OR
FLAMES.
• CLOSE THE CONTAINER WHEN NOT USED.
• DO NOT GET KRYTOX 240AC IN THE EYES, ON THE SKIN, OR ON
YOUR CLOTHES.
• DO NOT BREATHE THE GAS.
• DO NOT EAT KRYTOX 240AC.
(a) Apply a thin layer of Krytox 240AC perfluoropolyether grease, D50063, to the two new
o-rings [9].
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
47-32-03
Page 410
D633A101-ILF Oct 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
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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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