Piper Cherokee LANCE, Service Manual

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PIPER CHEROKEE SIX / LANCE SERVICE MANUAL
V - SURFACE CONTROLS 07/15/06
1H24
5-29. RUDDER TRIM CONTROLS. (Refer to Figure 5-14, )
5-30. REMOVAL OF RUDDER TRIM CONTROLS.
a. Remove the cover (l) from over the trim control assembly by removing attachment screws.
b. Remove the fuel selector panel cover by removing the rudder trim (2) and the cover attachment
screws.
c. Rotate the trim knob (2) to the extreme left (counterclockwise) trim position.
d. Disconnect the housing lug from the arm on the rudder pedal torque tube by removing cotter pin,
nut, washer and bolt (7).
e. Remove the threaded bushing (4) from the aft end of the mounting channel (8) by removing cotter
pin and clevis pin (5). Some mounting channels have two holes in the aft end, note from which hole
the clevis pin was removed.
f. The mounting channel (8) may be removed by removing the channel attachment screws at the
inside of the channel. The middle and aft screws (9) need only be turned out while the forward
screw (10) is secured by a nut on the side of the floor tunnel. To remove the forward screw, lift the
floor carpet on the right side of the tunnel adjacent to the channel and remove the access plate on
the side of the tunnel. Secure the nut and turn out the screw.
5-31. INSTALLATION OF RUDDER TRIM CONTROLS. (Refer to Figure 5-14.)
NOTE: If trim mechanism has been disassembled, remove washer(s) as required to eliminate end play.
Maximum allowable distance between housing and shaft is .030 inch. (Refer to Figure 5-14.)
a. Install the trim control mounting channel (8) on the upper side of the floor tunnel. A spacer plate
(14) is installed between the channel and the tunnel. Install the middle and aft attachment screws
(9). These screws are secured with anchor nuts. The forward screw (10) though is secured with a
nut that must be held from within the channel.
b. Install the access plate on the side of the tunnel and secure carpet in place.
c. Before attaching the assembly to the mounting channel, ascertain that the clips (11)are installed so
the safety wire (12) will be on top. Also that the threaded bushing (4) is installed on the assembly
shaft (15) with the welded attachment bushing forward or toward the housing.