Piper Comanche PA-24 Service Manual page 284

D. Check safety of turnbuckle and bolts.
WARNING: MAKE SURE POINTER ROD IS REMOVED TO AVOID RESTRICTION OF
RUDDER MOVEMENT.
E. Remove pointer rod and install access panels and plates and tail cone fairings.
5-28. Rudder Trim Controls
5-29. Removal Of Rudder Trim Mechanism. (Refer to Figure 5-12).
The trim mechanism maybe removed by disconnecting the unit at the cockpit control and at the nose
gear steering arm. Note the number of washers between the ball joint and steering arm.
5-30. Installation of Rudder Trim. (Refer o Figure 5-12.)
Connect the rudder trim mechanism at the cockpit control and at the nose gear steering arm. Rig and
adjust per paragraph 5-31.
5-31. Rigging And Adjustment Of Rudder Trim Mechanism. (Refer to Figure 5-12.).
CAUTION: VERIFY FREE AND CORRECT MOVEMENT OF RUDDER. WHILE IT WOULD
SEEM SELF-EVIDENT, FIELD EXPERIENCE HAS SHOWN THAT THIS CHECK IS
FREQUENTLY MISINTERPRETED OR NOT PERFORMED AT ALL. ACCORDINGLY,
UPON COMPLETION OF RUDDER TRIM RIGGING AND ADJUSTMENT, VERIFY
THAT THE RUDDER MOVES LEFT WHEN THE RUDDER TRIM WHEEL IS
TRIMMED LEFT; AND, THAT THE RUDDER MOVES RIGHT WHEN THE RUDDER
TRIM WHEEL IS TRIMMED RIGHT.
A. To rig the rudder trim mechanism, ascertain that the rudder pedals are neutral (Refer to Figure 5-12)
and the nose gear steering is adjusted and centered according to Paragraph 6-23 of Section VI.
B. With the rod end (18) disconnected from the nose gear steering arm, turn the trim knob to indicate
neutral. Within the engine compartment, turn the bungee tube (12) on the trim screw (11) to
maintain the following distance between the firewall and tube end.
PA-24-180, Serial Nos. 24-1 to 24-1676
PA-24-180, Serial Nos. 24-1684 and up
PA-24-250 and PA-24-260
PA-24-400
Adjust the rod end (18) to allow the bolt to slip into place. Place spacer washers between the rod
end and steering arm so as to allow no up or down binding of the bungee tube on the trim screw. Do
not exceed over seven washers.
5-32. Stabilator Controls.
5-33. Removal Of Stabilator Controls. (Refer to Figure 5-14.)
A. To remove the stabilator control cables, remove the left forward floor panel, rear seat, baggage
compartment rear bulkhead panel and access panel located just ahead of the stabilator on the right
side of the fuselage.
V - SURFACE CONTROLS
PIPER COMANCHE SERVICE MANUAL
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04/01/09