Vertical Stabilizers; Vertical Fin Removal And Installation; Rudder Removal And Installation; Rudder Trim Tab Removal And Installation - Piper PA-44-180 SEMINOLE Maintenance Manual

VERTICAL STABILIZER.
VERTICAL FIN.
REMOVAL AND INSTALLATION OF VERTICAL FIN. (Refer to Figure 55-3.)
1. Remove the fin tip, tail fairing, dorsal fin at the forward edge of the fin. Disconnect upper and lower tail
lights at the quick disconnects.
2. Separate the stabilator trim cable, rudder trim cable and rudder cable at the turnbuckles and remove the
cables.
3. Remove the rudder per removal instructions.
4. Remove the stabilator per removal instructions.
5. Disconnect the antenna wire from the antenna assembly, attach a fishing line to the antenna cable before
removing it from the fin conduit.
6. Remove stabilator control push rod from the fin by disconnecting attachment hardware at the balance
weight arm and at bellcrank.
7. Remove the two bolts at the leading edge of the fin.
8. Remove the bolts which secure the fin spar to the aft bulkhead. Remove the fin.
9. Install the fin in reverse of removal instructions. Check all bolts for safety. Refer to installation and rigging
of stabilator trim cable, rudder trim cable and rudder cable for adjustment of cables.
RUDDER.
RUDDER AND TAB.
REMOVAL AND INSTALLATION OF RUDDER. (Refer to Figure 55-4.)
1. Remove the fairing.
2. Disconnect the trim push rod by removing one bolt from the push rod.
3. Disconnect the rudder cables at the turnbuckles within the fuselage tail section and disconnect the cable
from the rudder sector.
4. While supporting the rudder, remove the hinge bolts and remove the rudder from the fin.
5. Install the rudder in reverse of removal instructions; check cable tension if disturbed.
RUDDER TRIM TAB.
REMOVAL AND INSTALLATION OF RUDDER TRIM TAB. (Refer to Figure 55-4.)
1. Disconnect trim push rod.
2. Remove the hinge pin and remove trim tab.
3. Install the trim tab in reverse of removal instructions, with new hinge pin.
PIPER AIRCRAFT
PA - 4 4 - 1 8 0 / 1 8 0 T
AIRPLANE MAINTENANCE MANUAL
3B14
5 5 - 4 2 - 0 1
Page 55-05
Revised: May 15, 1989