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4) Make sure that you can pull the first officer’s control column aft.
5) Release the captain’s and first officer’s control columns go to the neutral position.
(b) Override Test of the Captain’s Control Column:
1) Push the captain’s and first officer’s control columns forward.
2) Hold the first officer’s control column forward (against the forward stop).
3) Pull the captain’s control column aft.
4) Make sure that you can pull the captain’s control column aft.
5) Release the captain’s and first officer’s control columns go to the neutral position.
SUBTASK 27-31-00-860-102
(3) Do this task: Put the Elevator Hydraulic systems A and B Back to the Condition Before the
Pressurization, TASK 27-31-00-840-801.
------------------------- END OF TASK ---------------------------
TASK 27-31-00-720-801
5. Elevator Control Column Override - Functional Test
A. General
(1) Use this task to do a functional check of the elevator control column override.
B. References
Reference Title
27-31-00-700-801 Null Procedure - Mach Trim Actuator (P/B 201)
27-31-00-800-801 Elevator Hydraulic System A and B - Pressurization (P/B 201)
27-31-00-840-801 Put the Elevator Hydraulic systems A and B Back to the Condition
Before the Pressurization (P/B 201)
C. 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.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
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Reference Description
SPL-1751 Equipment - Adapter, Control Wheel
(Part #: C27060-1, Supplier: 81205, A/P Effectivity: 737-100, -200,
-200C, -300, -400, -500, -600, -700, -700C, -700ER, -700QC, -800, -900,
-900ER, -BBJ)
D. Location Zones
Zone Area
210 Subzone - Control Compartment - Body Station 178.00 to Body
Station 259.50
311 Area Aft of Pressure Bulkhead - Left
312 Area Aft of Pressure Bulkhead - Right
317 Tail Cone Compartment - Left
318 Tail Cone Compartment - Right
E. Procedure
SUBTASK 27-31-00-860-122
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF ALL CONTROL
SURFACES BEFORE YOU SUPPLY HYDRAULIC POWER. AILERONS, RUDDERS,
ELEVATORS, FLAPS, SPOILERS, SLATS, AND THRUST REVERSERS CAN MOVE
QUICKLY WHEN YOU SUPPLY HYDRAULIC POWER. THIS CAN CAUSE INJURY TO
PERSONS AND DAMAGE TO EQUIPMENT.
(1) Do this task: Elevator Hydraulic System A and B - Pressurization, TASK 27-31-00-800-801.
SUBTASK 27-31-00-710-010
(2) Do functional test of the elevator control column override:
(a) Do this task: Null Procedure - Mach Trim Actuator, TASK 27-31-00-700-801.
1) Put a 6 inch (150 mm) strip of adhesive tape vertically on the right elevator index plate.
2) Make a mark on the tape where the upper surface of the right elevator trailing edge
would extend to the tape.
3) Attach the force gage and equipment, SPL-1751 to the captain’s control column.
NOTE: The force gage is a push-pull scale for measuring control column loads.
4) Block the first officer’s control wheel in the neutral position.
NOTE: One mechanic can hold the first officer’s control wheel steady in the neutral
position.
5) Slowly pull the captain’s control column aft and hold at a minimum right elevator
position of 1.9 - 2.0 inches (48 - 51 mm) (3.15 degrees).
6) Make sure that the captain’s control column force is between 40 - 100 pounds (178 - 445
newtons).
7) Release the captain’s control column slowly to center the system.
(b) Push the captains’s control column slowly forward and hold at a minimum right elevator
position of 1.9 - 2.0 inches (48 - 51 mm) (3.15 degrees).
(c) Make sure that the captain’s control column force is between 32 - 102 pounds (142 - 454
newtons).
(d) Remove the force gage and equipment, SPL-1751 from the captain’s control column.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
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Oct 10/2006
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BOEING PROPRIETARY - Copyright#Unpublished Work - See title page for details
F. Put the Airplane Back to its Usual Condition
SUBTASK 27-31-00-860-123
(1) Do this task: Put the Elevator Hydraulic systems A and B Back to the Condition Before the
Pressurization, TASK 27-31-00-840-801.
------------------------- END OF TASK ---------------------------
　
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