Yanmar 6LPA-STP2 Service Manual page 134

ENGINE
4. Pry out the snap ring using a small screwdriver
to remove it from the piston (Figure 5-108).
Figure 5-108
Figure 5-108
5. Slowly heat the piston to about 80°C (176°F)
(Figure 5-109).
Figure 5-109
Figure 5-109
6. Lightly tap out the piston pin using a plastic
hammer and copper bar to disconnect the
connecting rod (Figure 5-110).
Store the piston and pin as a set. Store the
pistons, pins, rings and connecting rods together
in correct order for reassembly.
Figure 5-110
Figure 5-110
5-54
Piston and Connecting Rod
Inspection
1. Clean the carbon deposits off the piston top
using a scraper (Figure 5-111).
Figure 5-111
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2. Clean the piston ring grooves using the groove
cleaning tool or a damaged ring (Figure 5-112).
Figure 5-112
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© 2007 Yanmar Marine International
Cylinder Block
Figure 5-111
Figure 5-112
6LPA Service Manual
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