Cessna 1969-1976 172 Series Service Manual page 115

7
AVAILABLE FROM CESSNA
SERVICE PARTS CENTER
(TOOL NUMBER SE 716)
c. Check aileron travel and alignment, r i g
i f
neces-
s a r y , i n accordance with applicable paragraph in this
section.
6-17. REPAIR. Aileron r e p a i r may be accomplished
in accordance with instructions outlined in Section 18.
Before installation, ensure balance weights and hinges
are securely attached.
6-18. RIGGING. (Refer to figure 6-2.)
of cable drum (8) and wrapped once around drum.
The p r i m a r y cable lock
(9)
is installed a t bottom of
d r u m and transition cable lock (14) is installed
at
a. Check primary control cable (7) is in aft groove
top.
(1).
b. With control wheels neutral, check chain ends
(4) are approximately s a m e distance f r o m sprockets
c. Keeping control wheels neutral, tighten turn-
buckles (6) so control wheels are level in neutral
position (synchronized), with enough tension on
cables to remove slack from chains (4), without bind-
ing. Results of adjusting turnbuckles are as follows:
1. Loosening primary cable turnbuckles (6) and
tightening secondary cable turnbuckle (15) a t center
of control "Urf will move inboard sides of both con-
t r o l wheels down.
buckle and loosening secondary cable turnbuckle a t
2. Tightening either p r i m a r y control cable turn-
center of control "U" will move outboard side of ap-
plicable control wheel down.
d. Tape
a b a r a c r o s s both control wheels to hold
them in neutral position.
e. Adjust direct cable turnbuckles (17) below con-
trol "U" and single carry-thru turnbuckle (index
17, figure 6-3) a t aileron bellcrank (index 7, figure
6-3) s o bellcrank stop bushings (index 15, figure
6-3) are centered in both bellcrank slots with 40
*
10 pounds tension on aileron carry-thru cable (in-
dex 18, figure 6-3). Disregard tension on direct
cables, which will be different than tension on
carry-thru cable.
f . Adjust push-pull rods (index 8, figure 6-3) a t
each aileron until ailerons are neutral with reference
to trailing edge of wing flaps. Be s u r e wing flaps
are fully up when making this adjustment.
using 0.040-inch monel safety wire.
i t e m s removed for a c c e s s .
trated in figure 6-4.
g. Safety all turnbuckles by the single-wrap method
h. Remove b a r f r o m control wheels and install a l l
i.
Check aileron travel, using inclinometer illus-
(WARNING)
Be s u r e ailerons move in c o r r e c t direction
when operated by control wheel.
6-7/(6 -8 blank)