Cessna 177 SERIES Service Manual page 324

B
.I 1/4 B
PATCH 1
EXISTING SKIN
NOTE
DOUBLER
_1
, "|/2B
For optimum appearance and
U~D~~~OUBLER -
~fV~1/2
B
~
airflow, use flush rivets, dim-
pled skin and patch and counter-
SECTION THRU ASSEMBLED PATCH
sunk doubler.
A-A
!·
~ --
1 EDGE MARGIN = 2 X RIVET DIA.
.. "::t:.:: I .. PATCH - 2024-T3 ALCLAD
1/2" RADIUS
.. S .
.:'..
9
|^ |<^
A
EDGE MARGIN =
2 X RIVET DIA.
/ CLEAN OUT
AMAGED AREA
,
SKIN
<
'> ^-1/2"
RADIUS
>
1
RIVET SPACING =
6 X RIVET DIA.
EDGE MARGIN =
2 X RIVET DIA.
DOUBLER - 2024-T3 -
ALCLAD
1
~~/2"
^
7
.^1/,2" RADIUS
1/2"
RADIUS
RIVE
T
TiRBLE
SKIN GAGE
RIVET DIA.
FLUSH RECTANGULAR PATCH
SKIN GAGE RIVET D
ORIGINAL PARTS
(CIRCULAR FLUSH PATCH IS
020
1/8
SIMILAR)
.025 1/8
REPAIR PARTS
.032
1/8
.040
1/8
REPAIR PARTS IN CROSS SECTION
.051 5/32
Figure 18-4. Skin Repair (Sheet 3 of 6)
18-15