SUBTASK 53-31-31-420-026
(10) You get equal dimensions when you move the seal plate in a longitudinal direction where it is
necessary.
NOTE: The dimensions are between the etched line on the seal plate and the edges of the
track strip along the full length of the track that you can see.
SUBTASK 53-31-31-950-002
CAUTION
DO THIS STEP CAREFULLY. IF THE PARTICLES GO INTO THE TRACKS, IT
CAN CAUSE DAMAGE TO THE TEFLON COATING ON THE SEAL.
(11) Apply the Permacel P-255 tape, G02480 or Nitto No. 315 tape, G51458 (alternate) to all the
track openings, so that the drilled chips can not go into the track.
SUBTASK 53-31-31-420-027
(12) Tighten the clamps.
SUBTASK 53-31-31-420-028
(13) Back drill, a minimum of two locations through the holes in the tie-bar into the seal plate.
SUBTASK 53-31-31-420-029
(14) Install the temporary cleco fasteners in the holes.
SUBTASK 53-31-31-020-018
(15) Remove the pins [4] that attach the link assembly [5] to the pedestal [6].
SUBTASK 53-31-31-020-019
(16) Remove the seal plate [1] with the attached link assembly [5].
SUBTASK 53-31-31-420-030
(17) At the bench, assemble the seal plate [1], the link assembly [5], and the corner plates.
NOTE: Use the holes that are in the tie-bar for the locations to drill.
SUBTASK 53-31-31-210-007
(18) Make sure that the protective Permacel P-255 tape, G02480 or Nitto No. 315 tape, G51458
(alternate) stays around the end of the strip.
SUBTASK 53-31-31-420-031
(19) Put the seal assembly into the tracks.
NOTE: The plate must be bent in the opposite direction during installation to remove the
stabilizer.
SUBTASK 53-31-31-420-032
(20) Move the seal up and down.
SUBTASK 53-31-31-020-020
(21) The force to move the seal must not be more than 20 pounds and the seal must move freely.
SUBTASK 53-31-31-420-033
(22) Attach the link assembly [5] to the pedestal [6] with the pins [4].
SUBTASK 53-31-31-420-034
(23) Install the cotter pins.
SUBTASK 53-31-31-420-035
(24) Install the rub guide.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
53-31-31
Config 2
Page 404
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ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details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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