B. Tools/Equipment
NOTE: When more than one tool part number is listed under the same "Reference" number, the
tools shown are alternates to each other within the same airplane series. Tool part numbers
that are replaced or non-procurable are preceded by "Opt:", which stands for Optional.
Reference Description
SPL-1672 Assembly - Lock, Stabilizer Trim
737-600, -700, -800
Part #: F71336-501 Supplier: 81205
C. Consumable Materials
Reference Description Specification
G02480 Tape - Mylar, Clear, 3.5 mils, Maximum 16.5"
Width - Permacel P-255
G51458 Tape - Polyester, Adhesive - Nitto No. 315
D. Location Zones
Zone Area
300 Empennage
E. Installation Procedure
SUBTASK 53-31-31-420-020
(1) Adjust the link assembly [5] on the center of the replacement seal plate [1].
SUBTASK 53-31-31-210-005
(2) Make sure that the tie-bar lugs are clear of the seal plate edges and that the edge distances
will be satisfactory.
SUBTASK 53-31-31-210-006
(3) Make a mark of the location of the tie-bar on the seal plate with a pencil for reference.
SUBTASK 53-31-31-160-004
(4) Clean the tracks and the area which is near the tracks to remove any contamination or
unwanted material.
SUBTASK 53-31-31-420-021
(5) Temporarily attach the link assembly [5] to the pedestal [6].
NOTE: Do not install the cotter pins.
SUBTASK 53-31-31-420-022
(6) 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 53-31-31-420-023
(7) Put the seal plate [1] into the tracks.
NOTE: You must bend the plate in the opposite direction during installation to remove the
stabilizer.
SUBTASK 53-31-31-420-024
(8) Use the index mark to align the seal plate [1] on the link assembly [5].
SUBTASK 53-31-31-420-025
(9) Lightly attach the seal plate to the tie-bar with a clamp.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
53-31-31
Config 2
Page 403
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ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details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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