Cessna 150 Series Service Manual page 239

PATCH
EXISTING SKIN
NOTE
1/2 B For optimum appearance and
airflow, use flush rivets, dim-
pled skin and patch, and counter-
SECTION THRU ASSEMBLED PATCH sunk doubler.
A-A
EDGE MARGIN =
2 X RIVET DIA.
PATCH - 2024-T3 ALCLAD
1/2" RADIUS
A
EDGE MARGIN =
2 X RIVET DIA.
CLEAN OUT
DAMAGED AREA
SKIN
1/2" RADIUS
RIVET SPACING
6 X RIVET DIA.
EDGE MARGIN
2 X RIVET DIA.
DOUBLER - 2024-T3
1/2"
RADIUS
RIVET
TABLE
FLUSH RECTANGULAR PATCH
SKIN GAGE RIVET DIA.
(CIRCULAR FLUSH PATCH IS
020 1/8
SIMILAR)
.020
1/8
ORIGINAL PARTS
.025
1/8
REPAIR PARTS
:040 1/8
REPAIR PARTS IN CROSS SECTION
Figure 18-4.
Skin Repair (Sheet 3 of 6)
18-16