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B. From within the area of the floor opening, remove the cable rub blocks that are attached to the spar housing by removing the block attachment screws. Also remove the cable guard pin at the pulley cluster in the aft area of the opening by removing a cotter pin from one end of the guard.
C. Remove the fuel selector panel cover by removing the selector knobs and the cover attachment screws.
D. Remove the lower selector cover.
E. Remove the tunnel plate just aft of the tee bar by removing enough carpet from the tunnel to allow the plate attachment screws and the plate to be removed.
F. Remove the forward heat duct from one side of the floor tunnel. (Preferably from the side from which the control cable is to be removed.)
G. Move the cable guard located under the pulley cluster by removing the cotter pin from the exposed end and sliding it to the left or right as required.
H. Disconnect the end of the cable from the arm on the rudder pedal torque tube by removing the cotter pin, nut, washer and bolt.
I. Draw the cable from the floor tunnel.
3. To remove aft rudder control cables:
A. Remove the fairing by removing its attachment screws.
B. Disconnect the cable from the rudder sector by removing cotter pin.
C. Draw the cable through the fuselage.
INSTALLATION OF RUDDER CONTROL CABLES. (Refer to Figure 27-11.)
1. The forward rudder control cables may be installed by the following procedure:
A. Draw the control cable through the floor tunnel.
B. Connect the end of the cable to the arm on the rudder pedal torque tube by installing bolt, washer, nut and cotter pin. Allow the cable end to rotate freely.
C. Connect the cable to the aft control cable at the turnbuckle in the aft section of the fuselage. If the aft control cables are not installed, install at this time per Step 2. Ascertain that each cable is in the groove of its pulley.
D. Move the cable guard that is located in the forward tunnel, at the pulley cluster, into position, and secure with cotter pin.
E. Install the cable guard pin under the pulley cluster located in the aft area of the aft floor tunnel and secure with screws.
F. Set cable tension and check rigging and adjustment.
G. Install the heat duct and secure with screws.
H. Install the forward tunnel plate aft of the tee bar and secure with screws.
I. Put the floor carpet in place and secure.
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AIRPLANE MAINTENANCE MANUAL
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J. Install the lower and upper selector covers and secure with screws.
K. Place the fuel selector knobs in place and secure with set screws.
L. Install the floor panel and seat belt attachment aft of the main spar securing the panel with screws, and install the seats.
2. The aft rudder control cables may be installed by the following procedure:
A. Position the control cable in the fuselage.
B. Connect the end of the cable to the rudder sector with bolt cotter pin.
C. Connect the other cable end to forward control cable at the turnbuckle in the aft section of the fuselage.
D. Set cable tension and check rigging and adjustment.
E. Install fairing and secure with screws.
3. Install the access panel to the aft section of the fuselage.
RIGGING AND ADJUSTMENT OF RUDDER CONTROLS.
1. To check and set the correct degree of rudder travel, the following procedure may be used:
A. Check the rudder travel by swinging the rudder until it contacts its stop. If the control cables are connected, use the rudder pedals to swing the rudder.
B. With the rudder against its stop, place a rigging tool against the side of the rudder and vertical stabilizer as shown in Figure 27-13. (Ascertain that the tool is not contacting any rivets.) If no gap exists between the rigging tool and the surface of the rudder and vertical stabilizer, the rudder stop for one direction of travel is correct as required in Chart 2701. (This tool may be fabricated from dimensions given in Chapter 91 .)
C. Swing the rudder in the other direction and check travel as directed in Step B.
D. Should the rudder travel be incorrect showing a gap between the tool and any part of the control surfaces, the fairing should be removed and the stops reset to obtain correct rudder travel. (Refer to Figure 27-15.)
2. To set cable tension and alignment of the rudder, the following procedure may be used:
A. Remove the access panel to the aft section of the fuselage.
B. Ascertain that the nose gear steering has been aligned and rudder pedals set fore and aft according to Alignment of Nose Landing Gear, Chapter 32.
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