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(1) Do this task: Supply Electrical Power, TASK 24-22-00-860-811.
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SUBTASK 27-61-00-860-039
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF ALL CONTROL
SURFACES BEFORE YOU SUPPLY HYDRAULIC POWER. AILERONS, RUDDERS,
ELEVATORS, FLAPS, SLATS, SPOILERS, LANDING GEAR, AND THRUST REVERSERS
CAN MOVE QUICKLY WHEN YOU SUPPLY HYDRAULIC POWER. THIS CAN CAUSE
INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(2) Do this task: Speed Brake Hydraulic Systems A and B Pressurization,
TASK 27-62-00-800-801.
D. Spoiler Mixer Adjustment
SUBTASK 27-61-00-010-002
(1) Remove the roller access covers [71] to get access to the roller on the spoiler mixer [72].
(a) Remove bolts [73] and washers [74].
SUBTASK 27-61-00-860-088
(2) Make sure the speedbrake lever is in the DOWN position.
SUBTASK 27-61-00-860-089
(3) Turn the control wheel counter-clockwise 87 degrees from the neutral position.
SUBTASK 27-61-00-700-004
(4) Look at the spoiler mixer [72] cam through the left roller access cover [71].
(a) Make sure the left cam is on the maximum rise part of the spoiler mixer [72].
SUBTASK 27-61-00-860-040
(5) Turn the control wheel to the neutral position.
SUBTASK 27-61-00-860-041
(6) Turn the control wheel clockwise 87 degrees from the neutral position.
SUBTASK 27-61-00-700-005
(7) Look at the spoiler mixer [72] cam through the right roller access cover [71].
(a) Make sure the right cam is on the maximum rise part of the spoiler mixer [72].
SUBTASK 27-61-00-860-042
(8) Turn the control wheel to the neutral position.
SUBTASK 27-61-00-820-010
(9) If the cam followers are not on the maximum rise when you turn the control wheel, adjust the
SBA and SBB cables.
(a) Use the turnbuckles to make the cable SBB shorter by one-half turn and make the cable
SBA longer by one-half turn.
NOTE: The cable SBB is the lower cable on the speed brake quadrant on the ratio
changer. When you look forward, the speed brake quadrant will turn clockwise
when you tighten the cable SBB.
(b) To check the adjustment of cables SBA and SBB, do this task: Speed Brake Control Cable
Adjustment, TASK 27-62-00-820-802.
NOTE: After the adjustment it is not necessary for the rig pin S/B-2 to fit in the rig pin
hole.
(c) Make sure the cam followers are on the maximum rise when you turn the control wheel.
SUBTASK 27-61-00-010-003
(10) Install washers [74] and bolts [73] to close the roller access covers [71] on the spoiler mixer [72].
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SUBTASK 27-61-00-730-001
(11) Do this task: Flight Spoiler System Test (Alternate Method), TASK 27-61-00-000-801.
E. Put the Airplane Back to Its Usual Condition
SUBTASK 27-61-00-860-043
(1) Do this task: Put the Speed Brake Hydraulic systems A and B Back to the Condition Before
the Pressurization, TASK 27-62-00-840-801.
------------------------- END OF TASK ---------------------------
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Spoiler Mixer Adjustment
Figure 504/27-61-00-990-806
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TASK 27-61-00-820-808
8. Spoiler Position Sensor Adjustment
A. References
Reference Title
24-22-00-860-811 Supply Electrical Power (P/B 201)
24-22-00-860-812 Remove Electrical Power (P/B 201)
27-51-00-860-803 Extend the Trailing Edge Flaps (P/B 201)
27-51-00-860-804 Retract the Trailing Edge Flaps (P/B 201)
27-61-00-800-801 Spoiler Hydraulic Systems A and B Pressurization (P/B 201)
27-61-00-840-801 Put the Spoiler Hydraulic systems A and B Back to the Condition
Before the Pressurization (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
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
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737-600-700-800-900 飞机维护手册6 AIRCRAFT MAINTENANCE MANUA(12)
