Piper COMANCHE PA-24-180 Service Manual page 159

PIPER COMANCHE SERVICE MANUAL
FIGURE 5-6. DETERMINING NEUTRAL
FIGURE 5-7. CHECKING RUDDER TRAVEL
RUDDER POSITION
I. Place airplane on jacks (refer to Jacking. Section II) to clear the nose wheel.
2. Clamp the rudder pedals to align in a lateral position as shown in Figure 5-9.
3.
If not previously removed, remove the tail cone fairing by removing attaching screws.
4. Position the rudder trim in the neutral position in accordance to Paragraph 5-31.
5. Insert a small diameter rod into the bottom of the rudder at the trailing edge. and allow its end
to extend down to the stabilator trim control rod. (Refer to Figure 5-6.)
CAUTION
Do not use a rod larger than the bend radius of the trailing edge so as
to avoid damage to the rudder.
6. Apply masking tape at 90
°
to airplane centerline. between stabilator halves immediately
beneath rod inserted on rudder. On tape, mark the airplane centerline (stabilator tab actuator arm rod). (Refer
to Figure 5-6.)
7. With the rudder pedals clamped, check that the rod in rudder aligns with the trim control rod
and cable tension is correct as required in Table V-l. (Cable tension is taken at the flexible portion of the cable
at the forward cabin bulkhead station 50.0.)
8. Should alignment and/ or cable tension be incorrectadjust the turnbuckles which are attached
to the rudder pedal assembly to obtain correct alignment and tension.
9. Remove the clamps from the rudder pedals.
c. To check and adjust rudder travel, proceed as follows:
I. At a distance of 6.125 outboard of the aircraft centerline. (stabilator trim control rod), make
two small dots approximately six inches apart fore and aft, with a pencil, on the top surface of the stabilator.
both sides of the rudder and parallel to the aircraft's centerline.
REVISED: 4/10/81
1G15
SURFACE CONTROLS
1G15