27-21-51
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A
737-300/400/500MAINTENANCE MANUAL
RUDDER
PEDAL
SEE A RUDDER ADJUSTMENT
PEDAL CRANK
(4 LOCATIONS) (2 LOCATIONS)
PEDAL
ARM RUDDER FORWARD
(4 LOCATIONS) QUADRANT
PUSHROD (2 LOCATIONS)
(4 LOCATIONS)
BUS ROD FWD
YOKE (2 LOCATIONS)
JACKSHAFT ASSEMBLY (2 LOCATIONS)
A
Rudder and Rudder Trim Control System - Rudder Pedals and
Forward Quadrants
Figure 601
M13997
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27-21-51
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737-300/400/500MAINTENANCE MANUAL
RUDDER AFT QUADRANT - REMOVAL/INSTALLATION
__________________________________________
1. General_______
A. This procedure contains two tasks. The first task removes the aft control quadrant for the rudder. The second task installs the aft control quadrant.
TASK 27-21-61-014-001
2. Rudder Aft Quadrant Removal___________________________
A. Special Tools and Equipment
(1) Rig Pin Kit - F70207-93:
---------------------------------------------------------------------| | | DIAMETER | LENGTH | | | REF NO. | F70207-( ) | (INCHES) | (INCHES) | FUNCTION | ---------------------------------------------------------------------| R-3 | -11 | 0.309-0.311 | 6.7 -0.25 | CAPTAINS FORWARD | | | | | | QUADRANT | | R-5 | -11 | 0.309-0.311 | 6.7 -0.25 | FEEL AND | | | | | | CENTERING UNIT | ---------------------------------------------------------------------
B. References
(1)
27-21-00/201, Rudder and Rudder Trim Control System
C.
Access
(1)
Location Zones
101/102 Control Cabin
706 Vertical Stabilizer
708 Rudder
(2)
Access Panels
9525L Access Door on Fin
9530L Access Door on Fin
D.
Prepare for the Removal
S 864-002
(1)
Remove the power from the rudder hydraulic systems
(Ref 27-21-00/201).
S 494-003
(2)
Install rig pins R-3 and R-5 as shown (Fig. 402).
E.
Remove the Rudder Aft Quadrant (Fig. 401)
(1)
Loosen cables RA and RB at the turnbuckles.
S 034-005
(2)
Remove the cable retainers to disconnect the cables from the rudder aft quadrant.
S 034-004
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27-21-61
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A
737-300/400/500MAINTENANCE MANUAL
BEARING
HOUSING
STRUCTURE
TURNBUCKLES
A A
INPUT CABLE INPUT
CRANK RETAINER ROD
AFT CONTROL QUADRANT
SEE A
QUADRANT
CABLE QUADRANT
RB
SHAFT RA
CABLE
FWD
AFT CONTROL QUADRANT
COTTER PINNUT
A
WASHERWASHER
BOLT (4 LOCATIONS) WASHER 1
A-A
1
MAKE SURE THE COUNTERSUNK SIDE OF THE WASHER IS INBOARD
Rudder Aft Control Quadrant Installation Figure 401
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27-21-61
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A
FORWARD
QUADRANT
SEE A
737-300/400/500MAINTENANCE MANUAL
RUDDER
CONTROL
CABLES
RA RB
RIG PIN R-3 (R-4 ON THE FIRST OFFICER'S SIDE)
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