Cessna 150 Series Service Manual page 240

NOTE
Countersink doublers, and
dimple skin and patch.
DOUBLER
SKIN
PATCH
A
A-A
DOUBLER
A-A
2024-T4
ALCLAD
EXISTING SKIN CARRY EXISTING
RIVET PATTERN
THRU
PATCH
EDGE DISTANCE
PITCH 4-8D
2D MIN. TYPICAL
.50 R. MIN.
TYPICAL
RIVET TRBLE
SKIN GAGE
RIVET DIA.
.020 1/8
.025
1/8
.032 1/8
.040 1/8
.051 5/32
PATCH
2024-T3 ALCLAD
FLUSH PATCH AT
STRINGER/BULKHEAD
INTERSECTION
ORIGINAL PARTS
REPAIR PARTS
NOTE
REPAIR PARTS IN CROSS SECTION This procedure is not rec-
ommended in areas where
stringers are riveted to
bulkheads.
Figure 18-4. Skin Repair (Sheet 4 of 6)
18-17