Cessna 150 Series Service Manual page 232

1/16" SLOT: 3/4" DEEP
(To fit aileron hinge)
KNIFE EDGE
After locating trailing
edge support, balance
BALANCING by adding washers and/
MANDREL 6-1/2
or nuts.
6-1/2
Detail C
SPIRIT-LEVEL
Detail PROTRACTOR
SLIDING WEIGHT
KNIFE EDGES TRAILING EDGE
SUPPORT
BALANCING
SUPPORT
MANDREL
*"d" HINGE POINT CHORD LINE
AT AILERON
MIDSPAN
LEVELED SURFACE 57 10 -AILERON
(W.S. 138.00)
*ALTERNATE METHOD Detail D
Befor making trailing edge
"d"
-
1.80
measurement make sure
INCHES
that the trailing edge of the
WING STATION 84.5
aileron is straight in this
area.
AILERON
WING STATION 138.00
53. 5 INCHES
PIANO HINGE
BALANCING MANDREL
Detail E
Figure 18-3. Control Surface Balancing (Sheet 3 of 6)
18-10 Change 1