(a)
11B19, STAB TRIM ALT (IF INSTALLED)
(b)
11C12, STAB TRIM SHUTOFF LEFT
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MAINTENANCE MANUAL
(c)
11C13, STAB TRIM SHUTOFF RIGHT
(d)
11C05 OR 11H11, STAB TRIM CONTROL L
(e)
11H17, FLT CONT SHUTOFF TAIL LEFT
(f)
11H18, FLT CONT SHUTOFF TAIL CTR
(g)
11H20, STAB TRIM CONT R
(h) 11H28, FLT CONT SHUTOFF TAIL RIGHT ú ú S 014-008 ú (6) Open the forward compartment access door, 113AL (AMM 06-41-00/201).
D. Remove the Captain's and the First Officer's Torque Tube Bearings
S 014-009
(1) Disconnect the applicable control column from the torque tube ú (AMM 27-31-10/401).
NOTE: It is not necessary to completely remove the control
____ columns. It is sufficient to lift the control column above the floor after you disengage it from the torque tube.
S 014-010
(2)
Remove the crank for the stabilizer cutoff switch assembly.
S 014-011
(3)
Disconnect the elevator control rod from the crank and shaft assembly.
S 014-012
(4)
Remove the bracket, stop, and the crank and shaft assembly from the torque tube.
S 034-013
(5)
Remove the crank and shaft assembly from the stop.
S 034-014
(6)
On the Captain's side, remove the bracket from the stop.
S 024-015
(7)
Remove the bearing from the stop.
TASK 27-31-11-404-016
3. Install the Control Coloumn Torque Tube Bearings
________________________________________________
A. Consumable Materials ú (1) D00633 Grease, Corrosion Preventive - BMS 3-33 (Recommended) ú (2) D00013 Grease - MIL-PRF-23827 (Alternative)
B. References ú (1) AMM 06-41-00/201, Fuselage Access Doors and Panels
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MAINTENANCE MANUAL
ú (2) AMM 24-22-00/201, Electrical Power - Control ú (3) AMM 27-31-10/401, Control Column - Removal/Installation ú (4) AMM 27-41-01/401, Stabilizer Trim Control Wheel Switch
C. Access
(1)
Location Zones
113/114 Area Forward of NLG Wheel Well
211/212 Control Cabin
(2)
Access Panels
113AL Forward Compartment Access Door
D.
Install the Captain's and the First Officer's Torque Tube Bearings
S 644-017
(1)
Apply a layer of grease to the bearing.
S 424-018
(2)
Install the bearing in the stop.
S 434-019
(3)
For the Captain's side, attach the stop to the bracket.
S 434-020
(4)
Install the crank and shaft assembly in the bearing.
NOTE: Be careful that the weight of the crank and shaft
____ assembly does not cause damage to the bearing.
S 434-021
(5)
Install the nut on the crank and shaft assembly.
(a)
If you use the self-locking nut, do these steps:
1) Turn the self-locking nut to get the torque measure and write down this quantity.
NOTE: The torque measure must be between 50 and 150 lb-in
____ ú (5.7-17.0 newton meters). ú 2) Add 200-300 lb-in (22.6-33.9 newton meters) to the torque ú measure to get the required torque value.
NOTE: The required torque value will be between 250
____ ú and 450 lb-in (28.3 and 50.9 newton meters).
3) Torque the self-locking nut to the required torque value.
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