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EFFECTIVITY
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BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
3) Turn the downstop [22] to adjust the position of the slat assembly [17].
4) Make sure the stop locator [26] is in the correct position.
5) Tighten the nut [27] to 50-80 pound-inches (5.6-9.0 newton-meters) or the bolt [24] to 72-
88 pound-inches (8.1-9.9 newton-meters).
NOTE: The recommended method is to tighten the nuts.
The optional method is to tighten the bolts.
SUBTASK 27-81-21-860-006
(12) Use hydraulic power to retract the actuator [1] to the 1-unit position. To retract the actuator, do
this task: Leading Edge Flaps and Slats Retraction, TASK 27-81-00-860-804.
NOTE: This will permit you to install the bolt [20].
SUBTASK 27-81-21-420-004
(13) Connect the slat actuator [9] to the slat [7]:
(a) Move the slat assembly [17] until it aligns with the slat actuator [9].
(b) Install the bushing [10], bolt [20], washer [19], washer [11] and nut [12] to attach the slat
actuator [9] to the slat assembly [17].
NOTE: Make sure the head of the bolt [20] is on the outboard side of the slat actuator [9].
(c) Tighten the nut [12] to 660-980 pound-inches (74.6-110.7 newton-meters) or the bolt [20] to
882-1078 pound-inches (99.7-121.8 newton-meters).
NOTE: The recommended method is to tighten the nuts.
The optional method is to tighten the bolts.
(d) Install the bolt retainer [18]:
1) Apply compound, C00528 to the shank and threads of the bolts [15].
2) Install the bolts [15] and washers [16] to attach the bolt retainer [18].
SUBTASK 27-81-21-820-002
(14) Do this task: Leading Edge Slats Adjustment, TASK 27-81-00-820-803.
H. Put the Airplane Back to Its Usual Condition
SUBTASK 27-81-21-080-003
WARNING: CAREFULLY REMOVE THE LEADING EDGE SLAT ACTUATORS LOCKOUT SET. THE
LEADING EDGE SLATS CAN MOVE QUICKLY. THIS CAN CAUSE INJURY TO PERSONS
AND DAMAGE TO EQUIPMENT.
(1) Remove the lockout set, SPL-1734 from the actuators of the adjacent leading edge slats. To do
this, do this task: Leading Edge Flap and Slat Locks Installation, TASK 27-81-00-480-801.
SUBTASK 27-81-21-940-001
(2) Install these access panels on the lower surface of the fixed leading edge:
(a) For the left wing, close these access panels:
Number Name/Location
521AAB Lower Leading Edge Access Panel - Slat Station
508.31
521CB Lower Leading Edge Access Panel - Slat Station
53.95
521DB Lower Leading Edge Access Panel - Slat Station
71.38
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
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(Continued)
Number Name/Location
521FB Lower Leading Edge Access Panel - Slat Station
116.32
521GB Lower Leading Edge Access Panel - Slat Station
125.27
521HB Lower Leading Edge Access Panel - Slat Station
152.81
521JB Lower Leading Edge Access Panel - Slat Station
170.20
521KB Lower Leading Edge Access Panel - Slat Station
188.12
521LB Lower Leading Edge Access Panel - Slat Station
216.76
521MB Lower Leading Edge Access Panel - Slat Station
234.65
521NB Lower Leading Edge Access Panel - Slat Station
252.04
521PB Lower Leading Edge Access Panel - Slat Station
270.42
521QB Lower Leading Edge Access Panel - Slat Station
289.17
521RB Lower Leading Edge Access Panel - Slat Station
307.75
521SB Lower Leading Edge Access Panel - Slat Station
337.62
521TB Lower Leading Edge Access Panel - Slat Station
356.14
521UB Lower Leading Edge Access Panel - Slat Station
374.95
521VB Lower Leading Edge Access Panel - Slat Station
395.64
521WB Lower Leading Edge Access Panel - Slat Station
415.79
521XB Lower Leading Edge Access Panel - Slat Station
435.91
521YB Lower Leading Edge Access Panel - Slat Station
467.98
521ZB Lower Leading Edge Access Panel - Slat Station
488.05
(b) For the right wing, close these access panels:
Number Name/Location
621CB Lower Leading Edge Access Panel - Slat Station
53.95
621DB Lower Leading Edge Access Panel - Slat Station
71.38
621FB Lower Leading Edge Access Panel - Slat Station
112.52
621HB Lower Leading Edge Access Panel - Slat Station
170.21
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
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BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
　
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