SUBTASK 30-11-31-860-002
WARNING
MAKE SURE THAT YOU INSTALL THE LEADING EDGE SLAT ACTUATOR
LOCKS TO PREVENT ACCIDENTAL OPERATION OF THE LEADING EDGE
SLATS. THE LEADING EDGE SLATS CAN MOVE QUICKLY. THIS CAN CAUSE
INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(2) Do this task: Leading Edge Flap and Slat Locks Installation, TASK 27-81-00-480-801.
SUBTASK 30-11-31-010-010
(3) Remove these panels per Leading Edge Access Panel Removal, TASK 57-41-02-000-801, to
get access to the telescoping duct, as needed:
(a) For the left wing, open these access panels:
Number Name/Location
521DB Lower Leading Edge Access Panel - Slat Station 71.38
521KB Lower Leading Edge Access Panel - Slat Station 188.12
521RB Lower Leading Edge Access Panel - Slat Station 307.75
(b) For the right wing, open these access panels:
Number Name/Location
621DB Lower Leading Edge Access Panel - Slat Station 71.38
621JB Lower Leading Edge Access Panel - Slat Station 188.14
621QB Lower Leading Edge Access Panel - Slat Station 307.75
F. Wing Anti-Ice Telescoping Duct Seal Removal
SUBTASK 30-11-31-020-014
WARNING
DO NOT LET OBJECTS GET IN THE HOUSING ASSEMBLY OF THE SLAT
TRACK. THIS WILL HELP PREVENT A PUNCTURE OF THE HOUSING
ASSEMBLY THAT COULD CAUSE A FUEL LEAK. THE FUEL LEAK COULD
CAUSE A FIRE AND POSSIBLE DEATH OR INJURY TO PERSONNEL.
(1) Do this to remove the supply ducts [6], bearing [10] and bearing [14]:
(a) Remove the bolt [16], bolt [17], bolt [18] and washers [15].
(b) Disconnect the clamp [5] from one side of the supply duct [6].
1) Remove the section from the supply ducts [6].
(c) Remove the bearing [10] and bearing [14].
(2) Turn the inner telescoping duct [1] 90 degrees and lower the duct from the wing.
(3) Remove the o-ring [11], o-rings [12], or o-ring [13] from the swivel joint of the inner telescoping
duct [1].
(4) Discard the o-ring [11], o-rings [12] and o-ring [13].
SUBTASK 30-11-31-020-005
(5) Pull the inner telescoping duct [1] from the outer telescoping duct [26].
SUBTASK 30-11-31-020-004
(6) Disassemble the telescoping duct seal.
(a) Remove the lockwire [3].
(b) Loosen the cap nut [4].
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
30-11-31
Page 402
D633A101-ILF Oct 15/2018
ECCN 9E991 BOEING PROPRIETARY - Copyright © Unpublished Work - See title page for details
EFFECTIVITY
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