ILF 568, 569, 581, 583, 585, 588-590, 592-599, 601-603, 606, 607, 610-615, 620, 625-627, 691-699,
833-835, 838, 980-999
SUBTASK 47-32-03-280-001
(9) Use an intrinsically safe approved bonding meter, COM-1550, to measure the electrical
resistance between the bonding jumper [26] (View G) and the airplane structure (SWPM
20-20-00).
(a) Make sure that the electrical resistance is 0.010 ohm (10 milliohms) or less (SWPM
20-20-00).
ILF 402, 452, 509, 510, 523, 525-528, 576, 577, 971; 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
SUBTASK 47-32-03-760-001
(10) Use an intrinsically safe approved bonding meter, COM-1550, to measure the electrical
resistance between the bushing [22] and the adjacent bracket (SWPM 20-20-00).
(a) Make sure that the electrical resistance is 0.0009 ohm (0.9 milliohm) or less (SWPM
20-20-00).
SUBTASK 47-32-03-760-002
(11) Use an intrinsically safe approved bonding meter, COM-1550, to measure the electrical
resistance between the heat exchanger [11] and airplane structure (SWPM 20-20-00).
(a) Make sure that the electrical resistance is 0.008 ohm (8 milliohms) or less (SWPM
20-20-00).
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
I. Install the Left Ram Air Duct
SUBTASK 47-32-03-210-001
(1) Prepare to install the left ram air duct:
(a) Examine the flex hose [15] and the hose clamp [14] that remained on the ram air duct.
1) Replace the flex hose [15] and hose clamp [14] if it is necessary.
(b) Install, but do not tighten, the remaining hose clamp [14] on the flex hose.
SUBTASK 47-32-03-410-002
(2) Do this task to install the left ram air duct: Ram Air Ducts - Installation,
TASK 21-51-24-400-801.
SUBTASK 47-32-03-430-001
(3) Do these steps to complete the installation:
(a) Put the flex hose [15] on the heat exchanger [11] at the ram air inlet port.
(b) Align the hose clamp [14] in its position on the heat exchanger [11].
(c) Tighten the hose clamp [14].
J. Install the Tube Under the Heat Exchanger
SUBTASK 47-32-03-420-002
(1) Do these steps to install the tube [2]] under the heat exchanger [11] (View B):
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
47-32-03
Page 412
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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