Cessna 1969-1976 172 Series Service Manual page 296

l / l S t 7 SLOT: 3/4" DEEP
After locating trailing
edge support, balance
by adding washers and/
or nuts.
Detail
c
SPIRIT- LEVE L
PROTRACTOR
SLIDING WEIGHT
LEVELED SURFACE
*ALTERNATE METHOD
Befor making trailing edge
measurement make s u r e
that the trailing edge of the
aileron is straight i n this
area.
Detail
D
WING STATION 100.5 INCHES
BALANCING
PIANO HINGE
Detail
E
STATION 154.00
Figure 18-3.
Control Surface Balancing (Sheet 3 of 5)
18-10