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(b) Install bolt assembly [24], washer [23], and nut [22] to attach the aft connection of the
Elevator Feel Actuator [3] to the elevator feel and centering unit [1].
1) Tighten the nut [22] to 85-100 pound-inches (9.6-11.3 newton-meters).
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CAUTION: DO NOT TIGHTEN THE NUT [22] AGAIN AFTER YOU TIGHTEN THE NUT [20]. YOU
CAN CAUSE DAMAGE TO EQUIPMENT.
(c) Install the washer [21] and nut [20].
1) Tighten the nut [20] to 30-35 pound-inches (3.4-3.9 newton-meters).
(d) Install bolt assembly [4], spacer [5], anti-rotation fitting [6], washer [7], and nut [8] to attach
the forward connection of the Elevator Feel Actuator [3] to the elevator feel and centering
unit [1].
1) Tighten the nut [8] to 85-100 pound-inches (9.6-11.3 newton-meters).
CAUTION: DO NOT TIGHTEN THE NUT [8] AGAIN AFTER YOU TIGHTEN THE NUT [10]. YOU
CAN CAUSE DAMAGE TO EQUIPMENT.
(e) Install the washer [9] and nut [10].
1) Tighten the nut [10] to 30-35 pound-inches (3.4-3.9 newton-meters).
(f) Install the slide block [16], bushing [19], washer [18], and nut [17] to anti-rotation fitting [6].
1) Tighten the nut to 100-125 pound-inches (11.3-14.1 newton-meters).
SUBTASK 27-31-67-420-003
(3) Connect the hydraulic lines [2] to the Elevator Feel Actuator [3].
(a) Remove the caps and plugs from the open ports and hydraulic lines.
(b) Connect the hydraulic lines [2].
SUBTASK 27-31-67-080-001
(4) Remove the rig pin E-5 of the rig pin kit, SPL-1585 from the elevator aft control quadrant.
SUBTASK 27-31-67-860-002
(5) Do this task: Put the Elevator Systems A and B Back to the Condition Before the Pressure
Removal, TASK 27-31-00-840-802.
SUBTASK 27-31-67-870-001
(6) Bleed the elevator control system:
(a) Move the control column in a longitudinal direction until the movement is smooth and the
feel force is normal.
(b) Make sure the feel forces increase when the air is bled out.
SUBTASK 27-31-67-790-001
(7) Make sure there is no hydraulic leakage at the elevator feel actuator.
SUBTASK 27-31-67-720-001
(8) Do this task: Feel Force System - Test, TASK 27-31-00-700-812.
G. Put the Airplane Back to Its Usual Condition
SUBTASK 27-31-67-410-001
(1) Install this access panel:
Number Name/Location
318BR Tailcone Access Door
------------------------- END OF TASK ---------------------------
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ELEVATOR INPUT TORQUE TUBE - REMOVAL/INSTALLATION
1. General
A. This procedure has these tasks:
(1) A removal of the elevator input torque tube
(2) An installation of the elevator input torque tube.
B. The elevator input torque tube is referred to as the "torque tube" in this procedure.
C. The torque tube includes four quadrants and six input cranks.
TASK 27-31-71-000-801
2. Elevator Input Torque Tube - Removal
(Figure 401, Figure 402)
A. References
Reference Title
27-31-00-800-802 Remove Pressure from the Elevator Hydraulic Systems A and B
(P/B 201)
53-53-00-000-801 Tailcone Removal (P/B 401)
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-1585 Kit - Rigging Pins, All Systems
(Part #: F70207-109, Supplier: 81205, A/P Effectivity: 737-600, -700,
-700C, -700ER, -700QC, -800, -900, -900ER, -BBJ)
SPL-1677 Assembly - Trammel Bar, Stabilizer Trim Actuator
(Part #: F80055-1, Supplier: 81205, A/P Effectivity: 737-100, -200,
-200C, -300, -400, -500, -600, -700, -700C, -700ER, -700QC, -800, -900,
-900ER, -BBJ)
C. Location Zones
Zone Area
315 APU Compartment - Left
316 APU Compartment - Right
D. Access Panels
Number Name/Location
311BL Stabilizer Trim Access Door
E. Prepare for the Removal
SUBTASK 27-31-71-860-001
(1) Do this task: Remove Pressure from the Elevator Hydraulic Systems A and B,
TASK 27-31-00-800-802.
SUBTASK 27-31-71-020-001
(2) Remove the tail cone to get access to the torque tube [18]:
(a) Use marking pens or masking tape to make marks on the airplane to show the tail cone
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737-600-700-800-900 AIRCRAFT MAINTENANCE MANUAL飞机维护手册3(84)
