Cessna 188 Series Service Manual page 129

MODEL 188 & T188 SERIES SERVICE MANUAL
AVAILABLE FROM CESSNA SERVICE PARTS CENTER (TOOL NO. SE 716)
Figure 6-4.
Inclinometer for Measuring Control Surface Travel
6-7. REPAIR. Worn, damaged or defective torque g. Reverse the preceding steps for reinstallation.
tube, bearings, bushings or attaching hardware Rig system in accordance with paragraph 6-16,
should be replaced. Refer to Section 2 for lubrica- safety turnbuckles and reinstall all items removed
tion requirements. for access.
6-8. AILERON BELLCRANKS. 6-10. REPAIR. Repair consists of replacement of
defective bushing or bearings. If needle bearings
6-9. REMOVAL AND INSTALLATION. (See are dirty or in need of lubrication, refer to Section 2.
figure 6-1.)
a. Remove access plate adjacent to bellcrank (19). 6-11. AILERONS.
b. Remove fuselage access panels from below left
and right doors. 6-12. REMOVAL AND INSTALLATION. (See
c. remove safety wire and relieve cable tension
figure 6-3.)
at turnbuckles (3, 5 and 8). a. Disconnect push-pull tube (4) at aileron.
d. Disconnect cables at bellcrank (19). b. Thru 18803851 and including 18803855 and
e. Disconnect push-pull tube (21) at bellcrank. 18803856, also aircraft not modified per Cessna
f. Remove pivot bolt (18) securing bellcrank to Single-Engine Service Information Letter SE81-
wing structure and remove bellcrank through access
32, AG81-4, remove access plates (8) and remove
opening, using care not to drop bushing (17).
bolts (6).
c. Beginning with 18803852 thru 18803854 and
NOTE 18803857 and on and when modified per Cessna
Single-Engine Service Information Letter SE81-32,
Brass washers (23) may be used as shims AG81-4, remove access plates (8) cotter pins (10),
between lower end of bellcrank and wing nuts (11), washers (12), and bolts (6).
channel. Retain these shims. Tape open
c. Carefully remove aileron from wing,
ends of bellcrank to prevent dust and dirt d. Reverse the preceding steps for reinstallation.
from entering bellcrank needle bearings (16). If push-pull tube adjustment was not disturbed, re-
rigging of system should not be necessary. Rig
system, if necessary, in accordance with paragraph
6-16.
6-13. REPAIR. Aileron repair may be accomplished
as outlined in Section 17.
6-9