D. Installation Procedure
SUBTASK 53-31-31-160-003
(1) Clean the tracks and the area which is near the tracks to remove any contamination or
unwanted material.
SUBTASK 53-31-31-420-039
(2) Wind the protective Mylar tape around the end of the track strip as shown to prevent the seal
plate from damage during the installation.
SUBTASK 53-31-31-420-040
(3) Put the seal plate [2] into the tracks.
NOTE: You must bend the plate in the opposite direction during installation to remove the
stabilizer.
SUBTASK 53-31-31-420-041
(4) Move the seal plate [2] up and down.
SUBTASK 53-31-31-210-009
(5) The force to move the seal plate must not be more than 20 pounds and the seal plate must
move freely..
SUBTASK 53-31-31-220-001
(6) Adjust the gap between the link assembly/pedestal centerline mount point and the seat track
edge to .1100 ±0.03 inch.
SUBTASK 53-31-31-420-042
(7) Attach the link assembly [7] to the pedestal [6] with the pins [4].
SUBTASK 53-31-31-420-043
(8) Install the cotter pins.
SUBTASK 53-31-31-420-044
(9) Attach the seal plate [2] to the link assemblies [7] with the pins [8].
SUBTASK 53-31-31-420-045
(10) Install the cotter pins.
SUBTASK 53-31-31-220-002
(11) Adjust the forward link assembly length to 3.61 ±0.01 inch.
SUBTASK 53-31-31-210-010
(12) Adjust the aft link assembly length in half turn increments to achieve an equal gap between the
rub guide and seal tracks.
E. Put the Airplane to Its Usual Condition
SUBTASK 53-31-31-020-027
(1) Remove all the protective tapes and the covers.
SUBTASK 53-31-31-160-005
(2) Clean up the area.
SUBTASK 53-31-31-420-046
(3) Install the center track strips [3].
SUBTASK 53-31-31-080-004-002
(4) Remove the lock, SPL-1672 from the stabilizer trim wheel at the control stand.
SUBTASK 53-31-31-860-036-002
(5) Set the stabilizer trim cutout switches to the NORMAL position.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
53-31-31
Config 2
Page 412
D633A101-ILF Jun 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
ILF 101, 151, 156-199, 332-399, 401, 402, 412, 425, 452, 491-500, 509, 510, 523, 525-528,
530, 553-557, 559-564, 567-569, 573-577, 581, 583, 585, 588-590, 592-599, 601-603, 606,
607, 610-615, 620, 625-627, 671, 672, 686, 691-699, 804-813, 821, 822, 831-838, 841,
842, 851, 852, 854-858, 861-863, 871-874, 947, 948, 968-973, 980-999; ILF 301, 304, 308,
310, 314, 315, 317-319, 323, 331, 405, 406, 409, 410, 416, 424, 427-429, 451, 501-504,
507, 508, 512-516, 518-520, 524, 531-533, 535-537, 541, 542, 552, 571, 572, 703,
707-710, 803 POST SB 737-53-1252
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