4. Disconnect housing lug from arm on rudder pedal torque tube by removing cotter pin, nut, washer, and
bolt.
5. Remove threaded bushing from aft end of mounting channel by removing cotter pin and clevis pin.
Some mounting channels have two holes in aft end, note from which hole in clevis pin was removed.
6. Remove mounting channel by removing channel attaching screws at inside of channel.
INSTALLATION OF RUDDER TRIM CONTROLS (figure 27-l3)
Install rudder trim mechanism and set it in neutral (no load on spring) position. Perform procedure only
after all other rudder and nose wheel rigging is complete.
l. Install trim control mounting channel on upper side of floor tunnel. A spacer plate on some models is
installed between channel and tunnel. Install attaching screws which are secured with anchor nuts.
2. Before attaching assembly to mounting channel, ensure that clips are installed so safety wire will be on
top. Check that threaded bushing is installed on assembly shaft with welded attachment bushing
forward or toward housing.
3. Attach housing lug to arm provided on rudder pedal torque tube and secure with bolt, washer, and nut.
Tighten nut only finger tight and safety with cotter pin.
4. Clamp rudder pedals in neutral and position threaded bushing in mounting channel. Turn control shaft
until holes in bushing and channel align, then install clevis pin and cotter pin. If the two through holes
are located in aft end of mounting channel, install pin through hole that will give equal travel and hit
rudder stops before bottoming out of trim assembly.
5. With rudder pedals neutral and no pressure fore or aft on clevis pin, install assembly cover so that
indicator washer and neutral mark on cover align.
6. Install trim cover, secure with screws, and install trim control knob.
RIGGING AND ADJUSTMENT OF RUDDER TRIM CONTROLS
Perform these procedures only after all other rudder and nose wheel rigging is complete. No adjustments
are necessary other than those required during Installation of assembly in airplane as given in Installation of
Rudder Trim Controls.
STABILATOR AND TAB
STABILATOR CONTROL CABLES
REMOVAL OF STABILATOR CONTROL CABLES (figure 27-14)
1. Remove access panel to aft section of fuselage located in baggage compartment, and bottom of rear
seat.
2. Disconnect desired control cable at turnbuckle in aft section of fuselage.
27- 31 - 00
Page 27 - 26
Reissued: August 1, 1986
1L1
PIPER AIRCRAFT
PA-28-236
MAINTENANCE MANUAL
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