e. Disconnect the trim cables at the turnbuckles within the aft section of the fuselage.
f. Relieve tension from the stabilator control cables by loosening one of the cable turnbuckles in the aft
section of the fuselage.
g. Disconnect the stabilator control cables from the stabilator balance arm by removing cotter pins, nuts,
washers, bushings and clevis bolts.
h. Disconnect the trim assembly from the aft bulkhead of the fuselage by removing the attaching nuts,
washers and bolts of the horizontal and diagonal support brackets.
i. Move the trim assembly up through the tail cone fairing cutout in the stabilator and remove, with cable,
from the airplane.
j. Remove the stabilator by disconnecting and removing attaching nuts, washers and bolts at the hinge points.
4-19. INSTALLATION OF STABILATOR. (Refer to Figure 4-4.)
a. Insert the stabilator in position and install attaching hinge bolts, washers and nuts.
—NOTE—
A clearance of .25 ±.06 of an inch between the stabilator and the side of the
fuselage and .18 of an inch minimum between all parts of the stabilator and the tail
cone assembly must be maintained throughout the stabilator travel. Use a proper
washer combination on the stabilator hinges to attain the necessary tolerance.
b. Move the trim assembly through the cutout in the stabilator and attach the brackets of the assembly to the
aft bulkhead with bolts, washers and nuts. Insert the trim cable ends into the fuselage.
c. Attach the stabilator control cables to the stabilator balance arm with clevis bolts, bushings, washers, nuts
and cotter pins.
d. Connect the ends of the fore and aft trim cables at the turnbuckles within the aft section of the fuselage.
e. Remove the cable block from the trim control cable within the fuselage.
f. Set stabilator control cable tension and check rigging and adjustment according to Rigging and Adjustment
g. Remove the cable blocks from the trim cable at the barrel of the trim screw assembly.
h. Set stabilator trim control cable tension and check rigging and adjustment according to Rigging and
Adjustment of Stabilator Trim, Section V.
i. Remove the pad and any other foreign material from the aft section of the fuselage and replace the access
panel.
j. Install the tail cone fairing and remove the tail stand.
4-20. STABILATOR TRIM TAB
4-21. REMOVAL OF STABILATOR TRIM TAB. (Refer to Figure 4-4.)
a. Disconnect the stabilator trim control rod by removing the bolts that attach the control rod to the stabilator
tim tab.
b. Remove the stabilator trim hinge pins by cutting one end of the wire pins and removing.
c. The stabilator trim tab can now be removed.
4-22. INSTALLATION OF STABILATOR TRIM TAB. (Refer to Figure 4-4.)
a. Place the trim tab in position on the aft end of the stabilator.
b. Replace the old hinge pins. Refer to Parts Catalog for replacement pins.
c. Insert the pins and secure by bending the end to a 45 degree angle.
d. Install the control rod and attach with the four bolts and washers.
PIPER AIRCRAFT
PA-28-161 CADET
AIRPLANE MAINTENANCE MANUAL
STRUCTURES
1E17
Issued: FEBRUARY. 28, 1989
