Cessna 150M - Aileron and Bellcrank Installation

Detail B
NOTE
Stop
bushings (17) should be centered in slots
of aileron bellcranks (11) in each wing when
control wheels are neutral, with correct ten-
sion on aileron carry-thru cable (16). Push-
pull rods (7) are then adjusted to rig ailerons
neutral.
Carry-thru cable turnbuckle (index 3, figure
6-1) may be located at either the right or left
aileron bellcrank. Direct cable turnbuckles
are located at bellcranks.
1. Aileron
7. Push- Pull Rod
13. Direct Cable
2. Hinge
8. Channel
14. Bushing
3. Balance Weight
9.
Lower Wing Skin
15. Spacer
4. Pivot Bolt
10. Brass Washer
16. Carry-Thru Cable
5. Bushing
11. Bellcrank
17. Stop Bushing
6. Needle Bearing
12. Turnbuckle 18. Bolt
Figure 6-3. Aileron and Bellcrank Installation
i. Check and/or rig elevator control system in
accordance with applicable paragraph in Section 8.
6-7. AILERON BELLCRANK. (Refer to figure 6-3.)
6-8. REMOVAL.
a. Remove access plate inboard of each bellcrank
on underside of wing.
b. Relieve control cable tension by loosening turn-
buckle barrel (index 3, figure 6-1).
c. Disconnect control cables from bellcrank. Re-
tain all spacers (15).
d.
Disconnect aileron push-pull rod (7) at bellcrank.
e. Remove nut, washer and bolt securing bell-
crank stop bushing (17) and bellcrank (11) to wing
structure.
f. Remove bellcrank through access opening, using
care bushing (5) is not dropped from bellcrank.
NOTE
Brass washers (10) may be used as shims
between lower end of bellcrank and wing
channel (8). Retain these shims. Tape
open ends of bellcrank to prevent dust and
dirt from entering bellcrank needle bear-
ings (6).
6-9. INSTALLATION.
a. Place bushing (5) and stop-bushing (17) in bell-
crank and position bellcrank in wing.
b. Install brass washers (10) between lower end of
bellcrank and wing channel (8) to shim out excess
clearance.
c. Install bellcrank pivot bolt (4), washers and nut.
d. Position bellcrank stop-bushing (17) and install
attaching bolt (18), washers and nut.
Change 3 6-5