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GUN ALL 27-11-00
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Aileron Pogo and Power Control Unit Adjustment
Figure 503 (Sheet 2 of 3)/27-11-00-990-804
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
GUN ALL 27-11-00
Page 524
Oct 10/2007
D633A101-GUN
BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
Aileron Pogo and Power Control Unit Adjustment
Figure 503 (Sheet 3 of 3)/27-11-00-990-804
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
GUN ALL 27-11-00
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Oct 10/2007
D633A101-GUN
BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
TASK 27-11-00-820-803
4. Aileron Balance Tab Adjustment
(Figure 504)
A. References
Reference Title
27-11-00-860-801 Remove Pressure from the Aileron Hydraulic Systems A and B
(P/B 201)
27-11-00-860-802 Put the Aileron Hydraulic Systems A and B Back to the Condition
Before Pressure 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-1682 Protractor - Aileron Tab Alignment
(Part #: F80222-11, Supplier: 81205, A/P Effectivity: 737-600, -700,
-700C, -700ER, -700QC, -800, -900, -900ER, -BBJ)
C. Location Zones
Zone Area
211 Flight Compartment - Left
212 Flight Compartment - Right
572 Left Wing - Aileron
672 Right Wing - Aileron
D. Prepare for Adjustment
SUBTASK 27-11-00-860-024
(1) Do this task: Remove Pressure from the Aileron Hydraulic Systems A and B,
TASK 27-11-00-860-801.
SUBTASK 27-11-00-480-026
(2) Install the protractor, SPL-1682.
E. Aileron Balance Tab Adjustment
NOTE: You can adjust the aileron balance tab [31] with the aileron [32] in the faired position or with
the aileron [32] at the downrig position.
SUBTASK 27-11-00-820-017
(1) Do these steps to check the aileron balance tab [31] with the aileron [32] in the faired position:
(a) Align the lower surface of the aileron trailing edge flush with the lower trailing edge surface
of the adjacent fixed wing structure to ±0.03 inch (±0.8 millimeter) at the outboard end of
the aileron.
(b) Make sure that the outboard lower trailing edge surface of the aileron balance tab [31]
aligns with the lower trailing edge surface of the aileron [32] to ±0.03 inch (±0.8
millimeter).
1) If this condition is not met, adjust the aileron balance tab [31].
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
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Oct 10/2007
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GUN 101-122
SUBTASK 27-11-00-220-001
(2) Do these steps to check the aileron balance tab [31] with the aileron [32] in the downrig position
Figure 506:
NOTE: The aileron rig position is when the outboard edge of the aileron upper surface is 0.49
±0.03 inch (12.45 ±0.8 millimeters) below the adjacent fixed lower trailing edge
surface.
(a) Measure the vertical distance between the lower surface of the aileron balance tab [31] to
the lower surface of the aileron [32] at the outboard end of the aileron balance tab [31]
(dimension A):
NOTE: You must measure the distance from the lower aft most points of the aileron
balance tab [31] and the aileron [32].
1) Make sure the dimension A is 0.12 ±0.07 inch (3.05 ±1.78 millimeters).
(b) If the dimension A is out of tolerance, adjust the aileron balance tab [31].
GUN 001-099, 155-157, 201-999
SUBTASK 27-11-00-220-002
(3) Do these steps to check the aileron balance tab [31] with the aileron [32] in the downrig position
Figure 506:
NOTE: The aileron rig position is when the outboard edge of the aileron upper surface is 0.245
±0.03 inch (6.2 ±0.8 millimeters) below the adjacent fixed lower trailing edge surface.
(a) Measure the vertical distance between the lower surface of the aileron balance tab [31] to
the lower surface of the aileron [32] at the outboard end of the aileron balance tab [31]
(dimension A):
NOTE: You must measure the distance from the lower aft most points of the aileron
balance tab [31] and the aileron [32].
1) Make sure the dimension A is 0.060 ±0.07 inch (1.52 ±1.78 millimeters).
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737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL飞机维护手册1(110)
