Piper PA-28-161, Maintenance Manual

Page: 385 / 1104

PIPER AIRCRAFT, INC.
PA-28-161, WARRIOR III
MAINTENANCE MANUAL
PAGE 11
Nov 30/06 2I11
27-30-00
(e) Install the carpet over the floor tunnel.
(f) Install the cover over the trim control wheel and secure with screws and special washers.
(g) Install the floor panel and seat belt attachments aft of the main spar and secure panel
with screws.
(h) Install the panel to the aft section of the airplane and the seats.
B. Aft Stabilator Trim Assembly (Refer to Figure 4.)
(1) Removal
(a) Remove the access panel to the aft section of the fuselage.
(b) Block the trim cables at the first set of pulleys (33) forward of the cable turnbuckles (10
and 11) in the aft section of the fuselage by a method shown in Figure 5.
(c) Disconnect the cable (12) at the turnbuckles (10 and 11) in the aft section of the fuselage.
(d) Remove the tail cone by removing its attaching screws.
(e) Disconnect the link (25) between the trim screw (23) and the trim control arm (28) by
removing the nut, washer and bolt (24) that connects the link to the screw.
(f) Remove the cotter pin from the top of the screw (23), and turn the screw down and out of
the barrel (20).
(g) Remove the snap ring (32), washer (31) and thrust washer (30) from the bottom of the
barrel.
(h) Disconnect the diagonal rib (22) from the horizontal rib (16) that supports the trim
assembly by removing the four attaching nuts, washers and bolts.
(i) Draw the trim cable (12) from the fuselage.
(2) Installation (Refer to Figure 4.)
(a) Wrap trim barrel as follows:
1 Lay center (as measured equally from each end to center of cable) of trim cable in
barrel slot.
NOTE: Wrap cable evenly to obtain 23 wraps on barrel, as viewed from side
opposite slot, and with cables extending out from slotted side.
2 Bring upper cable through diagonal slot in flange at upper end of barrel (20), and
wrap down in counterclockwise direction.
3 Bring lower cable through diagonal slot in lower end of barrel, and wrap up in
clockwise direction.
(b) Clamp cables between two pieces of wood to prevent unwrapping. (Refer to Figure 5.)
(c) Check barrel bushings (19 and 29) are installed in rib plate (17) and clip (21).
(d) Lubricate bushings and install trim barrel (20) in the bushings between the two support
ribs. Attach bottom diagonal rib (22) to horizontal rib (16)and secure with bolt, washers,
and nuts.
(e) Install thrust washer (30), washer (31), and snap ring (32) on low end of barrel.
(f) Install trim screw (23) in barrel (20) and secure each end with cotter pin through the
screw.
(g) Attach link (25) between trim screw and trim control arm (28). Check bushing and sleeve
are in place before installing bolt, washer and nut (26).
(h) Route cables into fuselage and attach ends to forward trim cables.