(2)
Access Panels
9525L Access Door on Fin
9530L Access Door on Fin
B.
Procedure
S 016-009
(1)
Open these access panels on the vertical fin: 9525L and 9530L.
S 216-011
(2)
Do a general visual inspection of these rudder aft quadrant components:
-
Aft quadrant
-
Aft quadrant output rod
-
Aft quadrant bearings
-
Aft quadrant shaft
S 216-013
(3) Do a general visual inspection of these rudder aft quadrant components:
-
Rudder torque tube bearings
-
Rudder torque tube cranks
-
Rudder torque tube input rods
-Feel and centering unit.
S 416-010
(4) Close these access panels on the vertical fin: 9525L and 9530L.
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27-21-61
ALL ú ú 01 Page 605 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
RUDDER CONTROL TORQUE TUBE - REMOVAL/INSTALLATION
_________________________________________________
1. General_______
A. This procedure contains the removal and the installation tasks for the rudder control torque tube (referred to as the torque tube).
TASK 27-21-71-024-001
2. Rudder Control Torque Tube Removal (Fig. 401)_____________________________________________
A. Special Tools and Equipment
(1) Rig Pin Kit - F70207-93:
~........................................................................... | | | DIAMETER | LENGTH | | | REF NO. | F70207-( ) | (INCHES) | (INCHES) | FUNCTION | ............................................................................. | R-5 | -11 | 0.309-0.311 | 6.7 |0.25 | RUDDER FEEL AND | | | | | | CENTERING UNIT | 2.........…............….............…............….........................1
B. References
(1)
12-31-51/201, Fin and Rudder Access Doors and Panels
(2)
27-21-00/201, Rudder and Rudder Trim Control System
(3)
27-21-71/501, Rudder Control Torque Tube
C.
Access
(1)
Location Zones
101/102 Control Cabin (Left/Right)
706 Vertical Stabilizer
708 Rudder
(2)
Access Panel
9516L TE Access Panel - Rudder
9517L TE Access Panel - Rudder
D.
Prepare for the Removal
S 864-002
(1)
Remove all hydraulic power from the rudder system
(Ref 27-21-00/201).
S 494-003
(2)
Install rig pin R-5 in the output crank of the feel and centering unit (Ref 27-21-71/501).
S 014-004
(3)
Remove the access panels 9516L and 9517L to get access to the torque tube (Ref 12-31-51/201).
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27-21-71
ALL ú ú 01 Page 401 ú Mar 15/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
STANDBY INPUT ROD
STRUCTURE
UPPER BEARING
TORQUE TUBE
HOUSING UPPER CRANKSEE A SEE B
TORQUE TUBE
VERNIER CONTROL ROD
CENTER
CRANK
AFT QUADRANT
CONTROL ROD
STRUCTURE
TRIM AND FEEL ROD
LOWER CRANK (BELLCRANK)
LOWER BEARING HOUSING
FWD SEE C
TORQUE TUBE
A
BEARING/SHAFT BEARING/SHAFT
FWD
FWD
UPPER BEARING HOUSING LOWER BEARING HOUSING
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