5-30. RUDDER TRIM CONTROLS.
5-31. REMOVAL OF RUDDER TRIM CONTROLS. (Refer to Figure 5-13.)
a. Remove the cover (1) from over the trim control assembly by removing attaching screws.
b. Remove the rudder trim knob (2) and the cover attaching screws.
c. Rotate the trim knob 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,
f. The mounting channel may be removed by removing the channel attaching screws at the inside of the
channel.
5-32. INSTALLATION OF RUDDER TRIM CONTROLS. (Refer to Figure 5-13.)
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.
c. Attach the housing lug to the arm provided on the rudder pedal torque tube and secure with bolt, washer
and nut (7). Tighten the nut only finger tight and safety with cotter pin.
the control shaft until the holes in the bushing and channel align and then install the clevis pin and cotter pin (5).
Should two thru holes be located in the aft end of the mounting channel, the pin must be installed through the
hole that will give equal travel and hit rudder stops before bottoming out of the trim assembly.
so that the indicator washer (13) and the neutral mark on the cover align.
f. Install the trim cover, secure with screws, and install the trim control knob.
5-33. RIGGING AND ADJUSTMENT OF RUDDER TRIM CONTROLS. No adjustments are necessary other
than those required during installation of the assembly in the airplane as given in Paragraph 5-32.
5-34. WING FLAP CONTROLS.
5-35. REMOVAL OF WING FLAP CONTROLS. (Refer to Figure 5-14.)
a. The flap torque tube assembly may be removed by the following procedure:
1. Remove the access plate located between the underside of the aft section of each wing and the fuselage
by removing attaching screws.
2. Remove the two front seats and the floor panel.
3. Disconnect the left and right flap control tubes (rods) (4) at the flaps by removing the nuts, washers and
bolts (2) or at the torque tube cranks (arms) (11) by removing the bolts (12) and washers from the inner side of
each crank. It will be necessary to remove bolt through a hole in the side skin of the fuselage located over the
torque tube with the flap handle moved to its 40 degree position.
the aft end of the control cable (23), as desired.
caution as forward pressure will be on the handle with the tension spring disconnected.
PIPER AIRCRAFT
PA-28-161 CADET
AIRPLANE MAINTENANCE MANUAL
Issued: FEBRUARY. 28, 1989
S U R FACE CONTROLS
1H1