Cessna 1969-1976 172 Series Service Manual page 302

EXISTING SKIN
PATCH
NOTE
For optimum appearance and
airflow, use flush rivets. dim-
DOUBLER 1/2 B
1 - 1
FLUSH RECTANGULAR PATCH
(CIRCULAR FLUSH PATCH IS
SlMI LAR)
1 1
ORIGINAL PARTS
REPAIR PARTS
SECTION THRU ASSEMBLED PATCH
SK1N;;iGE RTVETDIA.
1/8
1/8
.032 1/8
.040 1/8
. 0 5 1 5/32
A-A
9
n
1/2" RADIUS
. - <
EDGE MARGIN
=
-
2 X RIVET DIA.
I
pled skin and patch, and 'counter-
sunk doubler.
'tl
EDGE MARGIN
=
2 X RIVET DIA.
PATCH
-
2024-T3 ALCLAD
CLEAN OUT
AMAGED AREA
SKIN
RIVET SPACING
=
6 X RIVET DIA.
L1/2" RADIUS
I
R I V E T T A B L E
1
F i g u r e 18-4. Skin R e p a i r (Sheet 3 of 6)
18-16