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(Continued)
Number Name/Location
621JB Lower Leading Edge Access Panel - Slat Station
188.14
621KB Lower Leading Edge Access Panel - Slat Station
216.71
621LB Lower Leading Edge Access Panel - Slat Station
234.59
621MB Lower Leading Edge Access Panel - Slat Station
252.04
621NB Lower Leading Edge Access Panel - Slat Station
270.63
621PB Lower Leading Edge Access Panel - Slat Station
289.18
621QB Lower Leading Edge Access Panel - Slat Station
307.75
621RB Lower Leading Edge Access Panel - Slat Station
337.62
621SB Lower Leading Edge Access Panel - Slat Station
356.15
621TB Lower Leading Edge Access Panel - Slat Station
374.95
621UB Lower Leading Edge Access Panel - Slat Station
395.64
621VB Lower Leading Edge Access Panel - Slat Station
415.79
621WB Lower Leading Edge Access Panel - Slat Station
435.91
621XB Lower Leading Edge Access Panel - Slat Station
467.98
621YB Lower Leading Edge Access Panel - Slat Station
488.04
621ZB Lower Leading Edge Access Panel - Slat Station
508.31
SUBTASK 27-81-21-410-002
(3) Close these access doors on the lower surface of the fixed leading edge:
(a) For the left wing, close this access panel:
Number Name/Location
521BB Engine Fuel Valve Shutoff Access Panel - Slat
Station 36.02
(b) For the right wing, close these access panels:
Number Name/Location
621BB Engine Fuel Spar Valve Access Panel - Slat Station
36.02
621EB Defuel Access Panel - Slat Station 95.15
621GB Refuel Access Panel - Slat Station 143.27
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SUBTASK 27-81-21-860-007
(4) Do this task: Leading Edge Flaps and Slats Retraction, TASK 27-81-00-860-804.
------------------------- END OF TASK ---------------------------
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LEADING EDGE FLAP ACTUATOR - REMOVAL/INSTALLATION
1. General
A. This procedure has these tasks:
(1) A removal of the leading edge flap actuator.
(2) An installation of the leading flap actuator.
B. The leading edge flap actuator is referred to as the actuator in this procedure.
TASK 27-81-31-000-801
2. Leading Edge Flap Actuator Removal
(Figure 401)
A. References
Reference Title
27-81-00-480-801 Leading Edge Flap and Slat Locks Installation (P/B 201)
29-11-00-860-801 Hydraulic System A or B Pressurization (P/B 201)
29-11-00-860-805 Hydraulic System A or B Power Removal (P/B 201)
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-1734 Lockout Set - Leading Edge Slats and Krueger Flaps Actuators
(Part #: C27051-29, Supplier: 81205, A/P Effectivity: 737-600, -700,
-700C, -700ER, -700QC, -800, -900, -900ER, -BBJ)
(Opt Part #: C27051-1, Supplier: 81205, A/P Effectivity: 737-600, -700,
-700C, -700ER, -700QC, -800, -900, -BBJ)
C. Location Zones
Zone Area
211 Flight Compartment - Left
212 Flight Compartment - Right
512 Left Wing - Krueger Flap No. 2
513 Left Wing - Krueger Flap No. 1
612 Right Wing - Krueger Flap No. 3
613 Right Wing - Krueger Flap No. 4
D. Prepare for the Removal
SUBTASK 27-81-31-860-001
WARNING: MAKE SURE ALL PERSONS AND EQUIPMENT ARE CLEAR OF THE FLIGHT CONTROL
SURFACES, THE THRUST REVERSERS, AND THE LANDING GEAR. THESE
COMPONENTS CAN MOVE SUDDENLY WHEN YOU SUPPLY HYDRAULIC POWER.
THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(1) To pressurize hydraulic system B, do this task: Hydraulic System A or B Pressurization,
TASK 29-11-00-860-801.
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SUBTASK 27-81-31-860-002
(2) Open these circuit breakers and install safety tags:
F/O Electrical System Panel, P6-2
Row Col Number Name
A 15 C01081 HYDRAULIC SYSTEM PTU VALVE CONT 1
A 16 C01085 HYDRAULIC SYSTEM PTU VALVE CONT 2
　
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