SUBTASK 53-31-31-950-001
CAUTION
YOU MUST DO THE STEP BELOW CAREFULLY. IF THE CHIPS GO INTO THE
TRACKS, IT CAN CAUSE DAMAGE TO THE TEFLON COATING ON THE
SEAL.
(11) Apply the Permacel P-255 tape, G02480 to all the track openings, so that the drilled chips can
not go into the track.
SUBTASK 53-31-31-420-008
(12) Tighten the clamps.
SUBTASK 53-31-31-420-009
(13) Back drill, a minimum of two locations through the holes in the tie-bar into the seal plate.
SUBTASK 53-31-31-420-010
(14) Install the temporary cleco fasteners in the holes.
SUBTASK 53-31-31-020-008
(15) Remove the pins [4] that attach the link assembly [5] to the pedestal [6].
SUBTASK 53-31-31-020-009
(16) Remove the seal plate with the attached link assembly [5].
SUBTASK 53-31-31-420-011
(17) At the bench, assemble the seal plate, the link assembly [5], and the corner plates.
NOTE: Use the holes that are in the tie-bar for the locations to drill.
(a) Attach the link assembly to the fitting.
(b) Attach the fitting to the seal plate and the corner plates.
SUBTASK 53-31-31-210-003
(18) Make sure that the protective Permacel P-255 tape, G02480 stays around the end of the strip.
SUBTASK 53-31-31-420-016
(19) Install the rub guide.
SUBTASK 53-31-31-420-017
(20) Adjust and trim the ends of the rub guide where it is necessary to keep 0.03 ±0.01 inch
clearance between each end of the rub guide and the track.
SUBTASK 53-31-31-420-012
(21) Put the seal assembly into the tracks.
NOTE: The plate must be bent in the opposite direction during installation to remove the
stabilizer.
SUBTASK 53-31-31-420-013
(22) Move the seal up and down.
SUBTASK 53-31-31-020-010
(23) The force to move the seal must not be more than 20 pounds and the seal must move freely.
SUBTASK 53-31-31-420-014
(24) Attach the link assembly [5] to the pedestal [6] with the pins [4].
SUBTASK 53-31-31-420-015
(25) Install the cotter pins.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
53-31-31
Config 1
Page 404
D633A101-ILF Jun 15/2019
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
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 PRE SB 737-53-1252
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