Piper Aircraft Corporation Cherokee 140 PA-28-140, Service Manual

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PIPER CHEROKEE SERVICE MANUAL
01/31/08 V - SURFACE CONTROLS
2C1
5-32. INSTALLATION OF RUDDER AND STEERING PEDAL ASSEMBLY. (Refer to Figure 5-11.)
a. Assemble the torque tube assembly (1, 2, 3 and 4) as shown in Figure 5-11. Do not at this time
install the two bolts (25 and 26) through the center of the tube assembly.
b. Place the upper support blocks (7) on the ends of the torque tube assembly. Note that a washer (9) is
required on each end of the tube.
c. Position the support blocks (7 and 8) on their mounting brackets at each side of the fuselage and
secure with bolts, washers and nuts. Note that a bushing is required in the bolt holes of the upper
support block, a plate on top of the upper block, between the upper and lower blocks and under the
block mounting bracket.
d. Align the bolt holes in the center area of the torque tube assembly, install bolts, washers and nuts
(25 and 26) and tighten.
e. Position the torque tube support bracket (35) on the floor tunnel and secure with bolts.
f. Position the vee brace(s) (29) on the torque tube, install the strap bracket (28) around the torque
tube and brace and secure with bolts, washers and nuts (27).
g. Check that the rod end (17) on the clevis rod (15) is adjusted to give a dimension of 7.94 inches
between hole centers.
h. Connect the ends of the brake cylinder rods (11) and clevis rods (15) to the idler arms (10) and
secure with clevis and cotter pins (13).
i. Connect the steering rods (21) to the rudder pedals (32 and 33) and secure with bolts and nuts (24).
Check steering rod adjustment per Alignment of Nose Gear, Section VII or VIIA.
j. Connect the rudder trim to the arm of the torque tube and secure with bolt, washer, nut and cotter
pin. A thin washer is installed under the nut which is tightened only finger tight.
k. Connect the ends of the rudder control cables (19) to the arms provided on the torque tube and
secure with bolts, washers, nuts and cotter pins (20). Allow the ends free to rotate.
1. Swing the tee bar into place and secure with attachment bolts, washers and nuts (15). Insert bolts
through each side of the floor tunnel. (See Figure 5-1 or 5-2.)
m. Connect the stabilator control cables (11) to the lower end of the tee bar with bolt, washer and nut
(16), and secure with cotter pin. (See Figure 5-1 or 5-2.) Allow the cable ends to rotate freely.
n. Set rudder cable tension and check rigging and adjustment per paragraph 5-40.
o. Set stabilator cable tension and check rigging and adjustment per paragraph 5-17.
p. Check aileron cable tension.
q. Check safety of bolt and turnbuckles.
r. Install the floor tunnel plate and secure with screws. Fasten the tunnel carpet in place.
s. Install the rudder trim cover and control knob.
t. Install the access to the aft section of the fuselage.